From 472c769c9a4b9a9e53db7c00442a1b6ee2654575 Mon Sep 17 00:00:00 2001 From: AzazelN28 Date: Fri, 27 Sep 2024 11:24:34 +0200 Subject: [PATCH] wip: c++ initial version --- frontend/renderer/.gitignore | 6 +- frontend/renderer/Cargo.lock | 324 - frontend/renderer/Cargo.toml | 19 - frontend/renderer/cpp/Dockerfile | 108 + frontend/renderer/cpp/Makefile | 66 + frontend/renderer/cpp/README.md | 49 + frontend/renderer/cpp/TODO.md | 11 + frontend/renderer/cpp/docker/entrypoint.sh | 4 + frontend/renderer/cpp/js/postamble.js | 2 + frontend/renderer/cpp/js/preamble.js | 13 + frontend/renderer/cpp/scripts/build | 4 + frontend/renderer/cpp/scripts/copy-artifacts | 11 + frontend/renderer/cpp/src/main.cpp | 260 + frontend/renderer/src/lib.rs | 36 - frontend/src/app/main/data/workspace.cljs | 2 +- frontend/src/app/main/ui/workspace.cljs | 6 +- .../src/app/main/ui/workspace/viewport.cljs | 99 +- frontend/src/app/renderer/cpp.cljs | 33 + frontend/src/app/renderer/cpp.js | 5944 +++++++++++++++++ frontend/src/app/renderer_v2.cljs | 38 - 20 files changed, 6567 insertions(+), 468 deletions(-) delete mode 100644 frontend/renderer/Cargo.lock delete mode 100644 frontend/renderer/Cargo.toml create mode 100644 frontend/renderer/cpp/Dockerfile create mode 100644 frontend/renderer/cpp/Makefile create mode 100644 frontend/renderer/cpp/README.md create mode 100644 frontend/renderer/cpp/TODO.md create mode 100755 frontend/renderer/cpp/docker/entrypoint.sh create mode 100644 frontend/renderer/cpp/js/postamble.js create mode 100644 frontend/renderer/cpp/js/preamble.js create mode 100755 frontend/renderer/cpp/scripts/build create mode 100755 frontend/renderer/cpp/scripts/copy-artifacts create mode 100644 frontend/renderer/cpp/src/main.cpp delete mode 100644 frontend/renderer/src/lib.rs create mode 100644 frontend/src/app/renderer/cpp.cljs create mode 100644 frontend/src/app/renderer/cpp.js delete mode 100644 frontend/src/app/renderer_v2.cljs diff --git a/frontend/renderer/.gitignore b/frontend/renderer/.gitignore index 391ed4d660..1fcb1529f8 100644 --- a/frontend/renderer/.gitignore +++ b/frontend/renderer/.gitignore @@ -1,5 +1 @@ -target/ -debug/ - 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The weird thing is that git-sync-deps fails consistently +# the first time. +RUN cd /tmp/skia; \ + tools/git-sync-deps; \ + tools/git-sync-deps; \ + exit 0 + +RUN cd /tmp/skia && python3 bin/fetch-ninja + +RUN . "tmp/skia/third_party/externals/emsdk/emsdk_env.sh" + +RUN cd /tmp/skia && ./bin/gn gen out/wasm \ + --args="is_debug=false \ + is_official_build=true \ + is_component_build=false \ + is_trivial_abi=true \ + werror=true \ + target_cpu=\"wasm\" \ + skia_use_angle=false \ + skia_use_dng_sdk=false \ + skia_use_dawn=false \ + skia_use_webgl=true \ + skia_use_webgpu=false \ + skia_use_expat=false \ + skia_use_fontconfig=false \ + skia_use_freetype=true \ + skia_use_libheif=false \ + skia_use_libjpeg_turbo_decode=true \ + skia_use_libjpeg_turbo_encode=true \ + skia_use_no_jpeg_encode=false \ + skia_use_libpng_decode=true \ + skia_use_libpng_encode=true \ + skia_use_no_png_encode=false \ + skia_use_libwebp_decode=true \ + skia_use_libwebp_encode=true \ + skia_use_no_webp_encode=false \ + skia_use_lua=false \ + skia_use_piex=false \ + skia_use_system_freetype2=false \ + skia_use_system_libjpeg_turbo=false \ + skia_use_system_libpng=false \ + skia_use_system_libwebp=false \ + skia_use_system_zlib=false \ + skia_use_vulkan=false \ + skia_use_wuffs=true \ + skia_use_zlib=true \ + skia_enable_ganesh=true \ + skia_enable_sksl=true \ + skia_build_for_debugger=false \ + skia_enable_sksl_tracing=true \ + skia_use_icu=true \ + skia_use_client_icu=false \ + skia_use_libgrapheme=false \ + skia_use_system_icu=false \ + skia_use_harfbuzz=true \ + skia_use_system_harfbuzz=false \ + skia_enable_fontmgr_custom_directory=false \ + skia_enable_fontmgr_custom_embedded=true \ + skia_enable_fontmgr_custom_empty=false \ + skia_fontmgr_factory=\":fontmgr_custom_embedded_factory\" \ + skia_use_freetype_woff2=true \ + skia_enable_skshaper=true \ + skia_enable_skparagraph=true \ + skia_enable_pdf=false" + +RUN cd /tmp/skia; ninja -C out/wasm +RUN echo "source '/tmp/skia/third_party/externals/emsdk/emsdk_env.sh'" >> /root/.bashrc + +COPY docker/entrypoint.sh /entrypoint.sh + +ENTRYPOINT ["/entrypoint.sh"] diff --git a/frontend/renderer/cpp/Makefile b/frontend/renderer/cpp/Makefile new file mode 100644 index 0000000000..836ba4168f --- /dev/null +++ b/frontend/renderer/cpp/Makefile @@ -0,0 +1,66 @@ +all: + # -fno-rtti: Removes C++ Run-Time Type Info support. + # --no-entry: Disables the necessity of an entry point. + # -sALLOW_MEMORY_GROWTH: Creates a resizable memory ArrayBuffer. + # -sMODULARIZE: Exports emscripten as a CommonJS/AMD module. + # -sENVIRONMENT: Removes unnecessary environments (node,worker,etc). + # -sUSE_PTHREADS: Disables pthreads. + # -sMAX_WEBGL_VERSION: Max WebGL set to 2 + # -sUSE_WEBGL2: Uses WebGL2 by default. + emcc \ + -std=c++20 \ + -lembind \ + -fno-rtti \ + --no-entry \ + -sALLOW_MEMORY_GROWTH \ + -sUSE_PTHREADS=0 \ + -sMODULARIZE=1 \ + -sDISABLE_EXCEPTION_CATCHING \ + -sNODEJS_CATCH_EXIT=0 \ + -sMAX_WEBGL_VERSION=2 \ + -sUSE_WEBGL2=1 \ + -sFORCE_FILESYSTEM=0 \ + -sDYNAMIC_EXECUTION=0 \ + -sFILESYSTEM=0 \ + -sENVIRONMENT='web' \ + -sINITIAL_MEMORY=128MB \ + -DCK_ENABLE_WEBGL \ + -DCK_NO_FONTS \ + -DSK_RELEASE \ + -DSK_DISABLE_TRACING \ + -DSK_FORCE_AAA \ + -DSK_FORCE_8_BYTE_ALIGNMENT \ + -DSK_SHAPER_HARFBUZZ_AVAILABLE \ + -DCK_INCLUDE_PARAGRAPH \ + -DCK_SERIALIZE_SKP \ + -DSK_GANESH \ + -DSK_DISABLE_LEGACY_SHADERCONTEXT \ + -DCK_INCLUDE_PATHOPS \ + -DCK_INCLUDE_RUNTIME_EFFECT \ + -DSKSL_ENABLE_TRACING \ + -DNDEBUG \ + -DSK_TRIVIAL_ABI="[[clang::trivial_abi]]" \ + -DSK_TYPEFACE_FACTORY_FREETYPE \ + -DSK_GL \ + -DSK_CODEC_DECODES_JPEG \ + -DSK_CODEC_DECODES_PNG \ + -DSK_CODEC_DECODES_WEBP \ + -DSK_HAS_WUFFS_LIBRARY \ + -DSK_ENABLE_SKSL \ + -DSK_ENABLE_PRECOMPILE \ + -DSKNX_NO_SIMD \ + -DSK_ASSUME_WEBGL=1 \ + -DSK_USE_WEBGL \ + -DSK_ENABLE_PARAGRAPH \ + -DSK_UNICODE_AVAILABLE \ + -DSK_UNICODE_ICU_IMPLEMENTATION \ + -DSK_ENABLE_SKOTTIE \ + -DSK_ENABLE_SKOTTIE_SKSLEFFECT \ + -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=0 \ + --pre-js js/preamble.js \ + --pre-js js/postamble.js \ + -I/tmp/skia \ + -o out/renderer.js \ + /tmp/skia/out/wasm/modules/canvaskit/fonts/NotoMono-Regular.ttf.ninja.cpp \ + /tmp/skia/out/wasm/libskia.a \ + src/main.cpp diff --git a/frontend/renderer/cpp/README.md b/frontend/renderer/cpp/README.md new file mode 100644 index 0000000000..7a3f0e20df --- /dev/null +++ b/frontend/renderer/cpp/README.md @@ -0,0 +1,49 @@ +# Renderer + +## How this works? + +First of all we need a proper environment to build Skia, this +environment is heavily based on the [Skia docker image](https://github.com/google/skia/blob/main/docker/skia-release/Dockerfile) but with some tweaks to support building +a C++ WebAssembly module using [Emscripten](https://emscripten.org/index.html). + +## Building everything + +From the root directory of `frontend/renderer` just run: + +```sh +./scripts/build +``` + +This is going to build the docker image and run the container to build +the artifacts and then copy them to the necessary directories. + +> :smile_cat: Be patient, the first time the docker image is built usually takes +> a few minutes. + +## Building the Skia build tools Docker image + +To build just the Skia build tools image: + +```sh +cd frontend/renderer +docker build . -t skia-build-tools +``` + +## Building the renderer WebAssembly module + +Just run the container and it will generate all the necessary +artifacts in the `out` directory. + +```sh +cd frontend/renderer +docker run -t -v ${PWD}:/tmp/renderer skia-build-tools +``` + +Once the `renderer.js` and `renderer.wasm` are created in the `out` directory +we need to move them where Penpot can have access to them, so we need to execute +`./scripts/copy-artifacts`. + +## C++ <-> JS + +To add some extra functionality to the exported `Module` by the Emscripten +compiler, we use a series of javascript scripts that exist on the `js` directory. diff --git a/frontend/renderer/cpp/TODO.md b/frontend/renderer/cpp/TODO.md new file mode 100644 index 0000000000..5d109c8c45 --- /dev/null +++ b/frontend/renderer/cpp/TODO.md @@ -0,0 +1,11 @@ +# TO DO + +- [x] Compile Skia. +- [x] Compile simple `renderer.wasm` with a exported function. +- [ ] Compile a `renderer.wasm` that uses a WebGL context. + +## Notes + +- I've used the Skia `main` branch and it looks that there's something missing from the last release (`chrome/m117`) so I tried to switch to that branch but now I have different issues. + +- It is necessary to use the GL emscripten module to deal with WebGL contexts. See `js/preamble.js` and diff --git a/frontend/renderer/cpp/docker/entrypoint.sh b/frontend/renderer/cpp/docker/entrypoint.sh new file mode 100755 index 0000000000..9ec98cce95 --- /dev/null +++ b/frontend/renderer/cpp/docker/entrypoint.sh @@ -0,0 +1,4 @@ +#!/bin/bash +source /root/.bashrc +cd /tmp/renderer +emmake make diff --git a/frontend/renderer/cpp/js/postamble.js b/frontend/renderer/cpp/js/postamble.js new file mode 100644 index 0000000000..33aff1fc77 --- /dev/null +++ b/frontend/renderer/cpp/js/postamble.js @@ -0,0 +1,2 @@ + console.log("postamble"); +}(Module)); diff --git a/frontend/renderer/cpp/js/preamble.js b/frontend/renderer/cpp/js/preamble.js new file mode 100644 index 0000000000..17463caab1 --- /dev/null +++ b/frontend/renderer/cpp/js/preamble.js @@ -0,0 +1,13 @@ +// Adds compile-time JS functions to augment Renderer interface. +(function (Renderer) { + console.log("preamble", Renderer); + Renderer.setCanvas = function setCanvas(canvas, attrs) { + console.log("GL", GL); + const context = GL.createContext(canvas, attrs); + if (!context) { + throw new Error('Could not create a new WebGL context') + } + console.log("setCanvas", canvas, attrs); + const gr = this._MakeGrContext(); + console.log("gr", gr); + }; diff --git a/frontend/renderer/cpp/scripts/build b/frontend/renderer/cpp/scripts/build new file mode 100755 index 0000000000..816f99940b --- /dev/null +++ b/frontend/renderer/cpp/scripts/build @@ -0,0 +1,4 @@ +#!/bin/bash +docker build . -t skia-build-tools +docker run -t -v $PWD:/tmp/renderer skia-build-tools +./scripts/copy-artifacts diff --git a/frontend/renderer/cpp/scripts/copy-artifacts b/frontend/renderer/cpp/scripts/copy-artifacts new file mode 100755 index 0000000000..851761e83b --- /dev/null +++ b/frontend/renderer/cpp/scripts/copy-artifacts @@ -0,0 +1,11 @@ +#!/bin/bash +mkdir -p ../../resources/public/js/renderer/cpp +mkdir -p ../../src/app/renderer/ + +# FIXME: This is a VERY HACKY way to set the correct `scriptDirectory` but +# I didn't find a better way yet. +PREAMBLE_LINES=`wc -l js/preamble.js | egrep -o [0-9]+` +POSTAMBLE_LINES=`wc -l js/postamble.js | egrep -o [0-9]+` +LINE_NUMBER=`echo "200 + ${PREAMBLE_LINES} + ${POSTAMBLE_LINES}" | bc | egrep -o [0-9]+` +sed "${LINE_NUMBER} i \ \ scriptDirectory += 'renderer/cpp/';" out/renderer.js > ../../src/app/renderer/cpp.js +cp out/renderer.wasm ../../resources/public/js/renderer/cpp diff --git a/frontend/renderer/cpp/src/main.cpp b/frontend/renderer/cpp/src/main.cpp new file mode 100644 index 0000000000..cbff67f4b3 --- /dev/null +++ b/frontend/renderer/cpp/src/main.cpp @@ -0,0 +1,260 @@ +#include "include/private/base/SkMalloc.h" +#include "include/android/SkAnimatedImage.h" +#include "include/codec/SkAndroidCodec.h" +#include "include/codec/SkCodec.h" +#include "include/codec/SkEncodedImageFormat.h" +#include "include/core/SkBBHFactory.h" +#include "include/core/SkBlendMode.h" +#include "include/core/SkBlender.h" +#include "include/core/SkBlurTypes.h" +#include "include/core/SkCanvas.h" +#include "include/core/SkColor.h" +#include "include/core/SkColorFilter.h" +#include "include/core/SkColorSpace.h" +#include "include/core/SkData.h" +#include "include/core/SkImage.h" +#include "include/core/SkImageFilter.h" +#include "include/core/SkImageGenerator.h" +#include "include/core/SkImageInfo.h" +#include "include/core/SkM44.h" +#include "include/core/SkMaskFilter.h" +#include "include/core/SkPaint.h" +#include "include/core/SkPath.h" +#include "include/core/SkPathEffect.h" +#include "include/core/SkPathMeasure.h" +#include "include/core/SkPathUtils.h" +#include "include/core/SkPicture.h" +#include "include/core/SkPictureRecorder.h" +#include "include/core/SkPoint3.h" +#include "include/core/SkRRect.h" +#include "include/core/SkSamplingOptions.h" +#include "include/core/SkScalar.h" +#include "include/core/SkSerialProcs.h" +#include "include/core/SkShader.h" +#include "include/core/SkSpan.h" +#include "include/core/SkStream.h" +#include "include/core/SkString.h" +#include "include/core/SkStrokeRec.h" +#include "include/core/SkSurface.h" +#include "include/core/SkTextBlob.h" +#include "include/core/SkTypeface.h" +#include "include/core/SkTypes.h" +#include "include/core/SkVertices.h" +#include "include/effects/Sk1DPathEffect.h" +#include "include/effects/Sk2DPathEffect.h" +#include "include/effects/SkCornerPathEffect.h" +#include "include/effects/SkDashPathEffect.h" +#include "include/effects/SkDiscretePathEffect.h" +#include "include/effects/SkGradientShader.h" +#include "include/effects/SkImageFilters.h" +#include "include/effects/SkLumaColorFilter.h" +#include "include/effects/SkPerlinNoiseShader.h" +#include "include/effects/SkRuntimeEffect.h" +#include "include/effects/SkTrimPathEffect.h" +#include "include/encode/SkJpegEncoder.h" +#include "include/encode/SkPngEncoder.h" +#include "include/encode/SkWebpEncoder.h" +#include "include/private/base/SkOnce.h" +#include "include/utils/SkParsePath.h" +#include "include/utils/SkShadowUtils.h" +#include "src/core/SkPathPriv.h" +#include "src/core/SkResourceCache.h" +#include "src/image/SkImage_Base.h" +#include "src/sksl/SkSLCompiler.h" + +#include "modules/canvaskit/WasmCommon.h" +#include +#include +#include + +#if defined(CK_ENABLE_WEBGL) || defined(CK_ENABLE_WEBGPU) +#define ENABLE_GPU +#endif + +#ifdef ENABLE_GPU +#include "include/gpu/GpuTypes.h" +#include "include/gpu/GrDirectContext.h" +#include "include/gpu/ganesh/GrExternalTextureGenerator.h" +#include "include/gpu/ganesh/SkImageGanesh.h" +#include "include/gpu/ganesh/SkSurfaceGanesh.h" +#include "src/gpu/ganesh/GrCaps.h" +#endif // ENABLE_GPU + +#ifdef CK_ENABLE_WEBGL +#include "include/gpu/GrBackendSurface.h" +#include "include/gpu/GrTypes.h" +#include "include/gpu/ganesh/gl/GrGLBackendSurface.h" +#include "include/gpu/gl/GrGLInterface.h" +#include "include/gpu/gl/GrGLTypes.h" +#include "src/gpu/RefCntedCallback.h" +#include "src/gpu/ganesh/GrProxyProvider.h" +#include "src/gpu/ganesh/GrRecordingContextPriv.h" +#include "src/gpu/ganesh/gl/GrGLDefines.h" + +#include +#endif // CK_ENABLE_WEBGL + +#ifdef CK_INCLUDE_PATHOPS +#include "include/pathops/SkPathOps.h" +#endif + +// Necessary to prevent C++ name mangling. +extern "C" { + EMSCRIPTEN_KEEPALIVE int add(int a, int b) { + return a + b; + } +} + +struct OptionalMatrix : SkMatrix { + OptionalMatrix(WASMPointerF32 mPtr) { + if (mPtr) { + const SkScalar* nineMatrixValues = reinterpret_cast(mPtr); + this->set9(nineMatrixValues); + } + } +}; + +SkColor4f ptrToSkColor4f(WASMPointerF32 cPtr) { + float* fourFloats = reinterpret_cast(cPtr); + SkColor4f color; + memcpy(&color, fourFloats, 4 * sizeof(float)); + return color; +} + +SkRRect ptrToSkRRect(WASMPointerF32 fPtr) { + // In order, these floats should be 4 floats for the rectangle + // (left, top, right, bottom) and then 8 floats for the radii + // (upper left, upper right, lower right, lower left). + const SkScalar* twelveFloats = reinterpret_cast(fPtr); + const SkRect rect = reinterpret_cast(twelveFloats)[0]; + const SkVector* radiiValues = reinterpret_cast(twelveFloats + 4); + + SkRRect rr; + rr.setRectRadii(rect, radiiValues); + return rr; +} + +// Surface creation structs and helpers +struct SimpleImageInfo { + int width; + int height; + SkColorType colorType; + SkAlphaType alphaType; + sk_sp colorSpace; +}; + +SkImageInfo toSkImageInfo(const SimpleImageInfo& sii) { + return SkImageInfo::Make(sii.width, sii.height, sii.colorType, sii.alphaType, + sii.colorSpace ? sii.colorSpace : SkColorSpace::MakeSRGB()); +} + +#ifdef CK_ENABLE_WEBGL + +// Set the pixel format based on the colortype. +// These degrees of freedom are removed from canvaskit only to keep the interface simpler. +struct ColorSettings { + ColorSettings(sk_sp colorSpace) { + if (colorSpace == nullptr || colorSpace->isSRGB()) { + colorType = kRGBA_8888_SkColorType; + pixFormat = GR_GL_RGBA8; + } else { + colorType = kRGBA_F16_SkColorType; + pixFormat = GR_GL_RGBA16F; + } + } + SkColorType colorType; + GrGLenum pixFormat; +}; + +sk_sp MakeGrContext() +{ + // We assume that any calls we make to GL for the remainder of this function will go to the + // desired WebGL Context. + // setup interface. + auto interface = GrGLMakeNativeInterface(); + // setup context + return GrDirectContext::MakeGL(interface); +} + +sk_sp MakeOnScreenGLSurface(sk_sp dContext, int width, int height, + sk_sp colorSpace, int sampleCnt, int stencil) { + // WebGL should already be clearing the color and stencil buffers, but do it again here to + // ensure Skia receives them in the expected state. + emscripten_glBindFramebuffer(GL_FRAMEBUFFER, 0); + emscripten_glClearColor(0, 0, 0, 0); + emscripten_glClearStencil(0); + emscripten_glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); + dContext->resetContext(kRenderTarget_GrGLBackendState | kMisc_GrGLBackendState); + + // The on-screen canvas is FBO 0. Wrap it in a Skia render target so Skia can render to it. + GrGLFramebufferInfo info; + info.fFBOID = 0; + + if (!colorSpace) { + colorSpace = SkColorSpace::MakeSRGB(); + } + + const auto colorSettings = ColorSettings(colorSpace); + info.fFormat = colorSettings.pixFormat; + auto target = GrBackendRenderTargets::MakeGL(width, height, sampleCnt, stencil, info); + sk_sp surface(SkSurfaces::WrapBackendRenderTarget(dContext.get(), + target, + kBottomLeft_GrSurfaceOrigin, + colorSettings.colorType, + colorSpace, + nullptr)); + return surface; +} + +sk_sp MakeOnScreenGLSurface(sk_sp dContext, int width, int height, + sk_sp colorSpace) { + GrGLint sampleCnt; + emscripten_glGetIntegerv(GL_SAMPLES, &sampleCnt); + + GrGLint stencil; + emscripten_glGetIntegerv(GL_STENCIL_BITS, &stencil); + + return MakeOnScreenGLSurface(dContext, width, height, colorSpace, sampleCnt, stencil); +} + +sk_sp MakeRenderTarget(sk_sp dContext, int width, int height) { + SkImageInfo info = SkImageInfo::MakeN32( + width, height, SkAlphaType::kPremul_SkAlphaType, SkColorSpace::MakeSRGB()); + + sk_sp surface(SkSurfaces::RenderTarget(dContext.get(), + skgpu::Budgeted::kYes, + info, + 0, + kBottomLeft_GrSurfaceOrigin, + nullptr, + true)); + return surface; +} + +sk_sp MakeRenderTarget(sk_sp dContext, SimpleImageInfo sii) { + sk_sp surface(SkSurfaces::RenderTarget(dContext.get(), + skgpu::Budgeted::kYes, + toSkImageInfo(sii), + 0, + kBottomLeft_GrSurfaceOrigin, + nullptr, + true)); + return surface; +} +#endif // CK_ENABLE_WEBGL + +EMSCRIPTEN_BINDINGS(Renderer) { +#ifdef ENABLE_GPU + constant("gpu", true); + function("_MakeGrContext", &MakeGrContext); +#endif // ENABLE_GPU + +#ifdef CK_ENABLE_WEBGL + constant("webgl", true); + function("_MakeOnScreenGLSurface", select_overload(sk_sp, int, int, sk_sp)>(&MakeOnScreenGLSurface)); + function("_MakeOnScreenGLSurface", select_overload(sk_sp, int, int, sk_sp, int, int)>(&MakeOnScreenGLSurface)); + function("_MakeRenderTargetWH", select_overload(sk_sp, int, int)>(&MakeRenderTarget)); + function("_MakeRenderTargetII", select_overload(sk_sp, SimpleImageInfo)>(&MakeRenderTarget)); +#endif // CK_ENABLE_WEBGL + +} diff --git a/frontend/renderer/src/lib.rs b/frontend/renderer/src/lib.rs deleted file mode 100644 index e4b08cfb01..0000000000 --- a/frontend/renderer/src/lib.rs +++ /dev/null @@ -1,36 +0,0 @@ -use wasm_bindgen::prelude::*; - -pub fn add(left: u64, right: u64) -> u64 { - left + right -} - -#[wasm_bindgen] -extern "C" { - #[wasm_bindgen(js_namespace = console)] - fn log(s: &str); -} - -#[wasm_bindgen] -pub fn print(msg: &str) { - log(msg); -} - -#[cfg(test)] -mod tests { - use super::*; - use wasm_bindgen_test::*; - - wasm_bindgen_test_configure!(run_in_browser); - - #[test] - fn it_works() { - let result = add(2, 2); - assert_eq!(result, 4); - } - - #[wasm_bindgen_test] - fn it_works_in_wasm() { - let result = add(2, 2); - assert_eq!(result, 4); - } -} diff --git a/frontend/src/app/main/data/workspace.cljs b/frontend/src/app/main/data/workspace.cljs index 50aea4a1e0..382268f025 100644 --- a/frontend/src/app/main/data/workspace.cljs +++ b/frontend/src/app/main/data/workspace.cljs @@ -74,7 +74,7 @@ [app.main.repo :as rp] [app.main.streams :as ms] [app.main.worker :as uw] - [app.renderer-v2 :as renderer] + [app.renderer.cpp :as renderer-cpp] [app.util.dom :as dom] [app.util.globals :as ug] [app.util.http :as http] diff --git a/frontend/src/app/main/ui/workspace.cljs b/frontend/src/app/main/ui/workspace.cljs index a284ec28ea..bbf38a034c 100644 --- a/frontend/src/app/main/ui/workspace.cljs +++ b/frontend/src/app/main/ui/workspace.cljs @@ -32,7 +32,7 @@ [app.main.ui.workspace.sidebar.collapsable-button :refer [collapsed-button]] [app.main.ui.workspace.sidebar.history :refer [history-toolbox]] [app.main.ui.workspace.viewport :refer [viewport]] - [app.renderer-v2 :as renderer] + [app.renderer.cpp :as renderer-cpp] [app.util.debug :as dbg] [app.util.dom :as dom] [app.util.globals :as globals] @@ -200,10 +200,6 @@ (ntf/hide) (dw/finalize-file project-id file-id)))) - (mf/with-effect [file-ready?] - (when (and file-ready? (contains? cf/flags :renderer-v2)) - (renderer/print-msg "hello from wasm fn!"))) - [:& (mf/provider ctx/current-file-id) {:value file-id} [:& (mf/provider ctx/current-project-id) {:value project-id} [:& (mf/provider ctx/current-team-id) {:value team-id} diff --git a/frontend/src/app/main/ui/workspace/viewport.cljs b/frontend/src/app/main/ui/workspace/viewport.cljs index e68bd71cf0..c7c3972a1e 100644 --- a/frontend/src/app/main/ui/workspace/viewport.cljs +++ b/frontend/src/app/main/ui/workspace/viewport.cljs @@ -14,6 +14,7 @@ [app.common.geom.shapes :as gsh] [app.common.types.shape-tree :as ctt] [app.common.types.shape.layout :as ctl] + [app.config :as cf] [app.main.data.workspace.modifiers :as dwm] [app.main.refs :as refs] [app.main.ui.context :as ctx] @@ -47,6 +48,7 @@ [app.main.ui.workspace.viewport.utils :as utils] [app.main.ui.workspace.viewport.viewport-ref :refer [create-viewport-ref]] [app.main.ui.workspace.viewport.widgets :as widgets] + [app.renderer.cpp :as renderer-cpp] [app.util.debug :as dbg] [beicon.v2.core :as rx] [rumext.v2 :as mf])) @@ -111,6 +113,8 @@ selected-shapes (keep (d/getf objects-modified) selected) + canvas-ref (mf/use-ref nil) + ;; STATE alt? (mf/use-state false) shift? (mf/use-state false) @@ -263,6 +267,12 @@ rule-area-size (/ rulers/ruler-area-size zoom)] + (mf/with-effect + [canvas-ref] + ;; FIXME: + (let [canvas (mf/ref-val canvas-ref)] + (renderer/set-canvas canvas))) + (hooks/setup-dom-events zoom disable-paste in-viewport? workspace-read-only? drawing-tool drawing-path?) (hooks/setup-viewport-size vport viewport-ref) (hooks/setup-cursor cursor alt? mod? space? panning drawing-tool drawing-path? node-editing? z? workspace-read-only?) @@ -304,50 +314,59 @@ :layout layout :viewport-ref viewport-ref}])] - [:svg - {:id "render" - :class (stl/css :render-shapes) - :xmlns "http://www.w3.org/2000/svg" - :xmlnsXlink "http://www.w3.org/1999/xlink" - :xmlns:penpot "https://penpot.app/xmlns" - :preserveAspectRatio "xMidYMid meet" - :key (str "render" page-id) - :width (:width vport 0) - :height (:height vport 0) - :view-box (utils/format-viewbox vbox) - :style {:background-color background - :pointer-events "none"} - :fill "none"} + (if (contains? cf/flags :renderer-v2) + [:canvas {:id "render" + :ref canvas-ref + :class (stl/css :render-shapes) + :key (str "render" page-id) + :width (:width vport 0) + :height (:height vport 0) + :style {:background-color background + :pointer-events "none"}}] + [:svg + {:id "render" + :class (stl/css :render-shapes) + :xmlns "http://www.w3.org/2000/svg" + :xmlnsXlink "http://www.w3.org/1999/xlink" + :xmlns:penpot "https://penpot.app/xmlns" + :preserveAspectRatio "xMidYMid meet" + :key (str "render" page-id) + :width (:width vport 0) + :height (:height vport 0) + :view-box (utils/format-viewbox vbox) + :style {:background-color background + :pointer-events "none"} + :fill "none"} - [:defs - [:linearGradient {:id "frame-placeholder-gradient"} - [:animateTransform - {:attributeName "gradientTransform" - :type "translate" - :from "-1 0" - :to "1 0" - :dur "2s" - :repeatCount "indefinite"}] - [:stop {:offset "0%" :stop-color (str "color-mix(in srgb-linear, " background " 90%, #777)") :stop-opacity 1}] - [:stop {:offset "50%" :stop-color (str "color-mix(in srgb-linear, " background " 80%, #777)") :stop-opacity 1}] - [:stop {:offset "100%" :stop-color (str "color-mix(in srgb-linear, " background " 90%, #777)") :stop-opacity 1}]]] + [:defs + [:linearGradient {:id "frame-placeholder-gradient"} + [:animateTransform + {:attributeName "gradientTransform" + :type "translate" + :from "-1 0" + :to "1 0" + :dur "2s" + :repeatCount "indefinite"}] + [:stop {:offset "0%" :stop-color (str "color-mix(in srgb-linear, " background " 90%, #777)") :stop-opacity 1}] + [:stop {:offset "50%" :stop-color (str "color-mix(in srgb-linear, " background " 80%, #777)") :stop-opacity 1}] + [:stop {:offset "100%" :stop-color (str "color-mix(in srgb-linear, " background " 90%, #777)") :stop-opacity 1}]]] - (when (dbg/enabled? :show-export-metadata) - [:& use/export-page {:page page}]) + (when (dbg/enabled? :show-export-metadata) + [:& use/export-page {:page page}]) - ;; We need a "real" background shape so layer transforms work properly in firefox - [:rect {:width (:width vbox 0) - :height (:height vbox 0) - :x (:x vbox 0) - :y (:y vbox 0) - :fill background}] + ;; We need a "real" background shape so layer transforms work properly in firefox + [:rect {:width (:width vbox 0) + :height (:height vbox 0) + :x (:x vbox 0) + :y (:y vbox 0) + :fill background}] - [:& (mf/provider ctx/current-vbox) {:value vbox'} - [:& (mf/provider use/include-metadata-ctx) {:value (dbg/enabled? :show-export-metadata)} - ;; Render root shape - [:& shapes/root-shape {:key page-id - :objects base-objects - :active-frames @active-frames}]]]] + [:& (mf/provider ctx/current-vbox) {:value vbox'} + [:& (mf/provider use/include-metadata-ctx) {:value (dbg/enabled? :show-export-metadata)} + ;; Render root shape + [:& shapes/root-shape {:key page-id + :objects base-objects + :active-frames @active-frames}]]]]) [:svg.viewport-controls {:xmlns "http://www.w3.org/2000/svg" diff --git a/frontend/src/app/renderer/cpp.cljs b/frontend/src/app/renderer/cpp.cljs new file mode 100644 index 0000000000..eed90319a5 --- /dev/null +++ b/frontend/src/app/renderer/cpp.cljs @@ -0,0 +1,33 @@ +;; This Source Code Form is subject to the terms of the Mozilla Public +;; License, v. 2.0. If a copy of the MPL was not distributed with this +;; file, You can obtain one at http://mozilla.org/MPL/2.0/. +;; +;; Copyright (c) KALEIDOS INC + +(ns app.renderer.cpp + (:require + ["./cpp.js" :as renderer] + [beicon.v2.core :as rx] + [potok.v2.core :as ptk])) + +(defonce ^:dynamic internal-module nil) + +(defn set-canvas + [canvas] + (js/console.log "setting canvas" canvas) + (.setCanvas internal-module canvas #js {:antialias false})) + +(defn on-init + [module'] + (set! internal-module module') + (js/console.log "internal-module" internal-module module') + (js/console.log "add 2 + 2" (._add ^js module' 2 2))) + +(defn init + [] + (ptk/reify ::init + ptk/WatchEvent + (watch [_ _ _] + (let [p (renderer)] + (->> (rx/from p) + (rx/map #(on-init %))))))) diff --git a/frontend/src/app/renderer/cpp.js b/frontend/src/app/renderer/cpp.js new file mode 100644 index 0000000000..01d9b898b6 --- /dev/null +++ b/frontend/src/app/renderer/cpp.js @@ -0,0 +1,5944 @@ + +var Module = (() => { + var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined; + + return ( +function(Module) { + Module = Module || {}; + + + +// The Module object: Our interface to the outside world. We import +// and export values on it. There are various ways Module can be used: +// 1. Not defined. We create it here +// 2. A function parameter, function(Module) { ..generated code.. } +// 3. pre-run appended it, var Module = {}; ..generated code.. +// 4. External script tag defines var Module. +// We need to check if Module already exists (e.g. case 3 above). +// Substitution will be replaced with actual code on later stage of the build, +// this way Closure Compiler will not mangle it (e.g. case 4. above). +// Note that if you want to run closure, and also to use Module +// after the generated code, you will need to define var Module = {}; +// before the code. Then that object will be used in the code, and you +// can continue to use Module afterwards as well. +var Module = typeof Module != 'undefined' ? Module : {}; + +// See https://caniuse.com/mdn-javascript_builtins_object_assign + +// See https://caniuse.com/mdn-javascript_builtins_bigint64array + +// Set up the promise that indicates the Module is initialized +var readyPromiseResolve, readyPromiseReject; +Module['ready'] = new Promise(function(resolve, reject) { + readyPromiseResolve = resolve; + readyPromiseReject = reject; +}); + + if (!Object.getOwnPropertyDescriptor(Module['ready'], '_add')) { + Object.defineProperty(Module['ready'], '_add', { configurable: true, get: function() { abort('You are getting _add on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + Object.defineProperty(Module['ready'], '_add', { configurable: true, set: function() { abort('You are setting _add on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + } + + + if (!Object.getOwnPropertyDescriptor(Module['ready'], '_fflush')) { + Object.defineProperty(Module['ready'], '_fflush', { configurable: true, get: function() { abort('You are getting _fflush on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + Object.defineProperty(Module['ready'], '_fflush', { configurable: true, set: function() { abort('You are setting _fflush on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + } + + + if (!Object.getOwnPropertyDescriptor(Module['ready'], '___getTypeName')) { + Object.defineProperty(Module['ready'], '___getTypeName', { configurable: true, get: function() { abort('You are getting ___getTypeName on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + Object.defineProperty(Module['ready'], '___getTypeName', { configurable: true, set: function() { abort('You are setting ___getTypeName on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + } + + + if (!Object.getOwnPropertyDescriptor(Module['ready'], '___embind_register_native_and_builtin_types')) { + Object.defineProperty(Module['ready'], '___embind_register_native_and_builtin_types', { configurable: true, get: function() { abort('You are getting ___embind_register_native_and_builtin_types on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + Object.defineProperty(Module['ready'], '___embind_register_native_and_builtin_types', { configurable: true, set: function() { abort('You are setting ___embind_register_native_and_builtin_types on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + } + + + if (!Object.getOwnPropertyDescriptor(Module['ready'], 'onRuntimeInitialized')) { + Object.defineProperty(Module['ready'], 'onRuntimeInitialized', { configurable: true, get: function() { abort('You are getting onRuntimeInitialized on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + Object.defineProperty(Module['ready'], 'onRuntimeInitialized', { configurable: true, set: function() { abort('You are setting onRuntimeInitialized on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js') } }); + } + + +// --pre-jses are emitted after the Module integration code, so that they can +// refer to Module (if they choose; they can also define Module) +// Adds compile-time JS functions to augment Renderer interface. +(function (Renderer) { + console.log("preamble", Renderer); + Renderer.setCanvas = function setCanvas(canvas, attrs) { + console.log("GL", GL); + const context = GL.createContext(canvas, attrs); + if (!context) { + throw new Error('Could not create a new WebGL context') + } + console.log("setCanvas", canvas, attrs); + const gr = this._MakeGrContext(); + console.log("gr", gr); + }; + + console.log("postamble"); +}(Module)); + + +// Sometimes an existing Module object exists with properties +// meant to overwrite the default module functionality. Here +// we collect those properties and reapply _after_ we configure +// the current environment's defaults to avoid having to be so +// defensive during initialization. +var moduleOverrides = Object.assign({}, Module); + +var arguments_ = []; +var thisProgram = './this.program'; +var quit_ = (status, toThrow) => { + throw toThrow; +}; + +// Determine the runtime environment we are in. You can customize this by +// setting the ENVIRONMENT setting at compile time (see settings.js). + +var ENVIRONMENT_IS_WEB = true; +var ENVIRONMENT_IS_WORKER = false; +var ENVIRONMENT_IS_NODE = false; +var ENVIRONMENT_IS_SHELL = false; + +if (Module['ENVIRONMENT']) { + throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); +} + +// `/` should be present at the end if `scriptDirectory` is not empty +var scriptDirectory = ''; +function locateFile(path) { + if (Module['locateFile']) { + return Module['locateFile'](path, scriptDirectory); + } + return scriptDirectory + path; +} + +// Hooks that are implemented differently in different runtime environments. +var read_, + readAsync, + readBinary, + setWindowTitle; + +// Normally we don't log exceptions but instead let them bubble out the top +// level where the embedding environment (e.g. the browser) can handle +// them. +// However under v8 and node we sometimes exit the process direcly in which case +// its up to use us to log the exception before exiting. +// If we fix https://github.com/emscripten-core/emscripten/issues/15080 +// this may no longer be needed under node. +function logExceptionOnExit(e) { + if (e instanceof ExitStatus) return; + let toLog = e; + if (e && typeof e == 'object' && e.stack) { + toLog = [e, e.stack]; + } + err('exiting due to exception: ' + toLog); +} + +if (ENVIRONMENT_IS_SHELL) { + + if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); + + if (typeof read != 'undefined') { + read_ = function shell_read(f) { + return read(f); + }; + } + + readBinary = function readBinary(f) { + let data; + if (typeof readbuffer == 'function') { + return new Uint8Array(readbuffer(f)); + } + data = read(f, 'binary'); + assert(typeof data == 'object'); + return data; + }; + + readAsync = function readAsync(f, onload, onerror) { + setTimeout(() => onload(readBinary(f)), 0); + }; + + if (typeof scriptArgs != 'undefined') { + arguments_ = scriptArgs; + } else if (typeof arguments != 'undefined') { + arguments_ = arguments; + } + + if (typeof quit == 'function') { + quit_ = (status, toThrow) => { + logExceptionOnExit(toThrow); + quit(status); + }; + } + + if (typeof print != 'undefined') { + // Prefer to use print/printErr where they exist, as they usually work better. + if (typeof console == 'undefined') console = /** @type{!Console} */({}); + console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); + console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); + } + +} else + +// Note that this includes Node.js workers when relevant (pthreads is enabled). +// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and +// ENVIRONMENT_IS_NODE. +if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { + if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled + scriptDirectory = self.location.href; + } else if (typeof document != 'undefined' && document.currentScript) { // web + scriptDirectory = document.currentScript.src; + } + // When MODULARIZE, this JS may be executed later, after document.currentScript + // is gone, so we saved it, and we use it here instead of any other info. + if (_scriptDir) { + scriptDirectory = _scriptDir; + } + // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. + // otherwise, slice off the final part of the url to find the script directory. + // if scriptDirectory does not contain a slash, lastIndexOf will return -1, + // and scriptDirectory will correctly be replaced with an empty string. + // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), + // they are removed because they could contain a slash. + if (scriptDirectory.indexOf('blob:') !== 0) { + scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); + } else { + scriptDirectory = ''; + } + + scriptDirectory += 'renderer/cpp/'; + if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); + + // Differentiate the Web Worker from the Node Worker case, as reading must + // be done differently. + { +// include: web_or_worker_shell_read.js + + + read_ = (url) => { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.send(null); + return xhr.responseText; + } + + if (ENVIRONMENT_IS_WORKER) { + readBinary = (url) => { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.responseType = 'arraybuffer'; + xhr.send(null); + return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); + }; + } + + readAsync = (url, onload, onerror) => { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, true); + xhr.responseType = 'arraybuffer'; + xhr.onload = () => { + if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 + onload(xhr.response); + return; + } + onerror(); + }; + xhr.onerror = onerror; + xhr.send(null); + } + +// end include: web_or_worker_shell_read.js + } + + setWindowTitle = (title) => document.title = title; +} else +{ + throw new Error('environment detection error'); +} + +var out = Module['print'] || console.log.bind(console); +var err = Module['printErr'] || console.warn.bind(console); + +// Merge back in the overrides +Object.assign(Module, moduleOverrides); +// Free the object hierarchy contained in the overrides, this lets the GC +// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. +moduleOverrides = null; +checkIncomingModuleAPI(); + +// Emit code to handle expected values on the Module object. This applies Module.x +// to the proper local x. This has two benefits: first, we only emit it if it is +// expected to arrive, and second, by using a local everywhere else that can be +// minified. + +if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); + +if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); + +if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); + +// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message +// Assertions on removed incoming Module JS APIs. +assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); +assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); +assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); +assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); +assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); +legacyModuleProp('read', 'read_'); +legacyModuleProp('readAsync', 'readAsync'); +legacyModuleProp('readBinary', 'readBinary'); +legacyModuleProp('setWindowTitle', 'setWindowTitle'); +var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; +var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; +var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; +var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; +function alignMemory() { abort('`alignMemory` is now a library function and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line'); } + +assert(!ENVIRONMENT_IS_WORKER, "worker environment detected but not enabled at build time. Add 'worker' to `-sENVIRONMENT` to enable."); + +assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time. Add 'node' to `-sENVIRONMENT` to enable."); + +assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable."); + + + + +var STACK_ALIGN = 16; +var POINTER_SIZE = 4; + +function getNativeTypeSize(type) { + switch (type) { + case 'i1': case 'i8': case 'u8': return 1; + case 'i16': case 'u16': return 2; + case 'i32': case 'u32': return 4; + case 'i64': case 'u64': return 8; + case 'float': return 4; + case 'double': return 8; + default: { + if (type[type.length - 1] === '*') { + return POINTER_SIZE; + } else if (type[0] === 'i') { + const bits = Number(type.substr(1)); + assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); + return bits / 8; + } else { + return 0; + } + } + } +} + +function warnOnce(text) { + if (!warnOnce.shown) warnOnce.shown = {}; + if (!warnOnce.shown[text]) { + warnOnce.shown[text] = 1; + err(text); + } +} + +// include: runtime_functions.js + + +// This gives correct answers for everything less than 2^{14} = 16384 +// I hope nobody is contemplating functions with 16384 arguments... +function uleb128Encode(n) { + assert(n < 16384); + if (n < 128) { + return [n]; + } + return [(n % 128) | 128, n >> 7]; +} + +// Converts a signature like 'vii' into a description of the wasm types, like +// { parameters: ['i32', 'i32'], results: [] }. +function sigToWasmTypes(sig) { + var typeNames = { + 'i': 'i32', + 'j': 'i64', + 'f': 'f32', + 'd': 'f64', + 'p': 'i32', + }; + var type = { + parameters: [], + results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] + }; + for (var i = 1; i < sig.length; ++i) { + assert(sig[i] in typeNames, 'invalid signature char: ' + sig[i]); + type.parameters.push(typeNames[sig[i]]); + } + return type; +} + +// Wraps a JS function as a wasm function with a given signature. +function convertJsFunctionToWasm(func, sig) { + + // If the type reflection proposal is available, use the new + // "WebAssembly.Function" constructor. + // Otherwise, construct a minimal wasm module importing the JS function and + // re-exporting it. + if (typeof WebAssembly.Function == "function") { + return new WebAssembly.Function(sigToWasmTypes(sig), func); + } + + // The module is static, with the exception of the type section, which is + // generated based on the signature passed in. + var typeSection = [ + 0x01, // count: 1 + 0x60, // form: func + ]; + var sigRet = sig.slice(0, 1); + var sigParam = sig.slice(1); + var typeCodes = { + 'i': 0x7f, // i32 + 'p': 0x7f, // i32 + 'j': 0x7e, // i64 + 'f': 0x7d, // f32 + 'd': 0x7c, // f64 + }; + + // Parameters, length + signatures + typeSection = typeSection.concat(uleb128Encode(sigParam.length)); + for (var i = 0; i < sigParam.length; ++i) { + assert(sigParam[i] in typeCodes, 'invalid signature char: ' + sigParam[i]); + typeSection.push(typeCodes[sigParam[i]]); + } + + // Return values, length + signatures + // With no multi-return in MVP, either 0 (void) or 1 (anything else) + if (sigRet == 'v') { + typeSection.push(0x00); + } else { + typeSection = typeSection.concat([0x01, typeCodes[sigRet]]); + } + + // Write the section code and overall length of the type section into the + // section header + typeSection = [0x01 /* Type section code */].concat( + uleb128Encode(typeSection.length), + typeSection + ); + + // Rest of the module is static + var bytes = new Uint8Array([ + 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") + 0x01, 0x00, 0x00, 0x00, // version: 1 + ].concat(typeSection, [ + 0x02, 0x07, // import section + // (import "e" "f" (func 0 (type 0))) + 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, + 0x07, 0x05, // export section + // (export "f" (func 0 (type 0))) + 0x01, 0x01, 0x66, 0x00, 0x00, + ])); + + // We can compile this wasm module synchronously because it is very small. + // This accepts an import (at "e.f"), that it reroutes to an export (at "f") + var module = new WebAssembly.Module(bytes); + var instance = new WebAssembly.Instance(module, { + 'e': { + 'f': func + } + }); + var wrappedFunc = instance.exports['f']; + return wrappedFunc; +} + +var freeTableIndexes = []; + +// Weak map of functions in the table to their indexes, created on first use. +var functionsInTableMap; + +function getEmptyTableSlot() { + // Reuse a free index if there is one, otherwise grow. + if (freeTableIndexes.length) { + return freeTableIndexes.pop(); + } + // Grow the table + try { + wasmTable.grow(1); + } catch (err) { + if (!(err instanceof RangeError)) { + throw err; + } + throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; + } + return wasmTable.length - 1; +} + +function updateTableMap(offset, count) { + for (var i = offset; i < offset + count; i++) { + var item = getWasmTableEntry(i); + // Ignore null values. + if (item) { + functionsInTableMap.set(item, i); + } + } +} + +/** + * Add a function to the table. + * 'sig' parameter is required if the function being added is a JS function. + * @param {string=} sig + */ +function addFunction(func, sig) { + assert(typeof func != 'undefined'); + + // Check if the function is already in the table, to ensure each function + // gets a unique index. First, create the map if this is the first use. + if (!functionsInTableMap) { + functionsInTableMap = new WeakMap(); + updateTableMap(0, wasmTable.length); + } + if (functionsInTableMap.has(func)) { + return functionsInTableMap.get(func); + } + + // It's not in the table, add it now. + + var ret = getEmptyTableSlot(); + + // Set the new value. + try { + // Attempting to call this with JS function will cause of table.set() to fail + setWasmTableEntry(ret, func); + } catch (err) { + if (!(err instanceof TypeError)) { + throw err; + } + assert(typeof sig != 'undefined', 'Missing signature argument to addFunction: ' + func); + var wrapped = convertJsFunctionToWasm(func, sig); + setWasmTableEntry(ret, wrapped); + } + + functionsInTableMap.set(func, ret); + + return ret; +} + +function removeFunction(index) { + functionsInTableMap.delete(getWasmTableEntry(index)); + freeTableIndexes.push(index); +} + +// end include: runtime_functions.js +// include: runtime_debug.js + + +function legacyModuleProp(prop, newName) { + if (!Object.getOwnPropertyDescriptor(Module, prop)) { + Object.defineProperty(Module, prop, { + configurable: true, + get: function() { + abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)'); + } + }); + } +} + +function ignoredModuleProp(prop) { + if (Object.getOwnPropertyDescriptor(Module, prop)) { + abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API'); + } +} + +function unexportedMessage(sym, isFSSybol) { + var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"; + if (isFSSybol) { + msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; + } + return msg; +} + +function unexportedRuntimeSymbol(sym, isFSSybol) { + if (!Object.getOwnPropertyDescriptor(Module, sym)) { + Object.defineProperty(Module, sym, { + configurable: true, + get: function() { + abort(unexportedMessage(sym, isFSSybol)); + } + }); + } +} + +function unexportedRuntimeFunction(sym, isFSSybol) { + if (!Object.getOwnPropertyDescriptor(Module, sym)) { + Module[sym] = () => abort(unexportedMessage(sym, isFSSybol)); + } +} + +// end include: runtime_debug.js +var tempRet0 = 0; +var setTempRet0 = (value) => { tempRet0 = value; }; +var getTempRet0 = () => tempRet0; + + + +// === Preamble library stuff === + +// Documentation for the public APIs defined in this file must be updated in: +// site/source/docs/api_reference/preamble.js.rst +// A prebuilt local version of the documentation is available at: +// site/build/text/docs/api_reference/preamble.js.txt +// You can also build docs locally as HTML or other formats in site/ +// An online HTML version (which may be of a different version of Emscripten) +// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html + +var wasmBinary; +if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); +var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime'); + +if (typeof WebAssembly != 'object') { + abort('no native wasm support detected'); +} + +// Wasm globals + +var wasmMemory; + +//======================================== +// Runtime essentials +//======================================== + +// whether we are quitting the application. no code should run after this. +// set in exit() and abort() +var ABORT = false; + +// set by exit() and abort(). Passed to 'onExit' handler. +// NOTE: This is also used as the process return code code in shell environments +// but only when noExitRuntime is false. +var EXITSTATUS; + +/** @type {function(*, string=)} */ +function assert(condition, text) { + if (!condition) { + abort('Assertion failed' + (text ? ': ' + text : '')); + } +} + +// Returns the C function with a specified identifier (for C++, you need to do manual name mangling) +function getCFunc(ident) { + var func = Module['_' + ident]; // closure exported function + assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); + return func; +} + +// C calling interface. +/** @param {string|null=} returnType + @param {Array=} argTypes + @param {Arguments|Array=} args + @param {Object=} opts */ +function ccall(ident, returnType, argTypes, args, opts) { + // For fast lookup of conversion functions + var toC = { + 'string': function(str) { + var ret = 0; + if (str !== null && str !== undefined && str !== 0) { // null string + // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' + var len = (str.length << 2) + 1; + ret = stackAlloc(len); + stringToUTF8(str, ret, len); + } + return ret; + }, + 'array': function(arr) { + var ret = stackAlloc(arr.length); + writeArrayToMemory(arr, ret); + return ret; + } + }; + + function convertReturnValue(ret) { + if (returnType === 'string') { + + return UTF8ToString(ret); + } + if (returnType === 'boolean') return Boolean(ret); + return ret; + } + + var func = getCFunc(ident); + var cArgs = []; + var stack = 0; + assert(returnType !== 'array', 'Return type should not be "array".'); + if (args) { + for (var i = 0; i < args.length; i++) { + var converter = toC[argTypes[i]]; + if (converter) { + if (stack === 0) stack = stackSave(); + cArgs[i] = converter(args[i]); + } else { + cArgs[i] = args[i]; + } + } + } + var ret = func.apply(null, cArgs); + function onDone(ret) { + if (stack !== 0) stackRestore(stack); + return convertReturnValue(ret); + } + + ret = onDone(ret); + return ret; +} + +/** @param {string=} returnType + @param {Array=} argTypes + @param {Object=} opts */ +function cwrap(ident, returnType, argTypes, opts) { + return function() { + return ccall(ident, returnType, argTypes, arguments, opts); + } +} + +// We used to include malloc/free by default in the past. Show a helpful error in +// builds with assertions. + +// include: runtime_legacy.js + + +var ALLOC_NORMAL = 0; // Tries to use _malloc() +var ALLOC_STACK = 1; // Lives for the duration of the current function call + +/** + * allocate(): This function is no longer used by emscripten but is kept around to avoid + * breaking external users. + * You should normally not use allocate(), and instead allocate + * memory using _malloc()/stackAlloc(), initialize it with + * setValue(), and so forth. + * @param {(Uint8Array|Array)} slab: An array of data. + * @param {number=} allocator : How to allocate memory, see ALLOC_* + */ +function allocate(slab, allocator) { + var ret; + assert(typeof allocator == 'number', 'allocate no longer takes a type argument') + assert(typeof slab != 'number', 'allocate no longer takes a number as arg0') + + if (allocator == ALLOC_STACK) { + ret = stackAlloc(slab.length); + } else { + ret = _malloc(slab.length); + } + + if (!slab.subarray && !slab.slice) { + slab = new Uint8Array(slab); + } + HEAPU8.set(slab, ret); + return ret; +} + +// end include: runtime_legacy.js +// include: runtime_strings.js + + +// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. + +var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; + +// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns +// a copy of that string as a Javascript String object. +/** + * heapOrArray is either a regular array, or a JavaScript typed array view. + * @param {number} idx + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) { + var endIdx = idx + maxBytesToRead; + var endPtr = idx; + // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. + // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. + // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) + while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; + + if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { + return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); + } else { + var str = ''; + // If building with TextDecoder, we have already computed the string length above, so test loop end condition against that + while (idx < endPtr) { + // For UTF8 byte structure, see: + // http://en.wikipedia.org/wiki/UTF-8#Description + // https://www.ietf.org/rfc/rfc2279.txt + // https://tools.ietf.org/html/rfc3629 + var u0 = heapOrArray[idx++]; + if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } + var u1 = heapOrArray[idx++] & 63; + if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } + var u2 = heapOrArray[idx++] & 63; + if ((u0 & 0xF0) == 0xE0) { + u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; + } else { + if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); + u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63); + } + + if (u0 < 0x10000) { + str += String.fromCharCode(u0); + } else { + var ch = u0 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } + } + } + return str; +} + +// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a +// copy of that string as a Javascript String object. +// maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit +// this parameter to scan the string until the first \0 byte. If maxBytesToRead is +// passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the +// middle, then the string will cut short at that byte index (i.e. maxBytesToRead will +// not produce a string of exact length [ptr, ptr+maxBytesToRead[) +// N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may +// throw JS JIT optimizations off, so it is worth to consider consistently using one +// style or the other. +/** + * @param {number} ptr + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ToString(ptr, maxBytesToRead) { + return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; +} + +// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', +// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. +// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. +// outIdx: The starting offset in the array to begin the copying. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. +// This count should include the null terminator, +// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. +// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { + if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. + return 0; + + var startIdx = outIdx; + var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) { + var u1 = str.charCodeAt(++i); + u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); + } + if (u <= 0x7F) { + if (outIdx >= endIdx) break; + heap[outIdx++] = u; + } else if (u <= 0x7FF) { + if (outIdx + 1 >= endIdx) break; + heap[outIdx++] = 0xC0 | (u >> 6); + heap[outIdx++] = 0x80 | (u & 63); + } else if (u <= 0xFFFF) { + if (outIdx + 2 >= endIdx) break; + heap[outIdx++] = 0xE0 | (u >> 12); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } else { + if (outIdx + 3 >= endIdx) break; + if (u > 0x10FFFF) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); + heap[outIdx++] = 0xF0 | (u >> 18); + heap[outIdx++] = 0x80 | ((u >> 12) & 63); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } + } + // Null-terminate the pointer to the buffer. + heap[outIdx] = 0; + return outIdx - startIdx; +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. +// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF8(str, outPtr, maxBytesToWrite) { + assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. +function lengthBytesUTF8(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); + if (u <= 0x7F) ++len; + else if (u <= 0x7FF) len += 2; + else if (u <= 0xFFFF) len += 3; + else len += 4; + } + return len; +} + +// end include: runtime_strings.js +// include: runtime_strings_extra.js + + +// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime. + +// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns +// a copy of that string as a Javascript String object. + +function AsciiToString(ptr) { + var str = ''; + while (1) { + var ch = HEAPU8[((ptr++)>>0)]; + if (!ch) return str; + str += String.fromCharCode(ch); + } +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. + +function stringToAscii(str, outPtr) { + return writeAsciiToMemory(str, outPtr, false); +} + +// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns +// a copy of that string as a Javascript String object. + +var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined; + +function UTF16ToString(ptr, maxBytesToRead) { + assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); + var endPtr = ptr; + // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. + // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. + var idx = endPtr >> 1; + var maxIdx = idx + maxBytesToRead / 2; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; + endPtr = idx << 1; + + if (endPtr - ptr > 32 && UTF16Decoder) { + return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); + } else { + var str = ''; + + // If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition + // will always evaluate to true. The loop is then terminated on the first null char. + for (var i = 0; !(i >= maxBytesToRead / 2); ++i) { + var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; + if (codeUnit == 0) break; + // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. + str += String.fromCharCode(codeUnit); + } + + return str; + } +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. +// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// outPtr: Byte address in Emscripten HEAP where to write the string to. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null +// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. +// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF16(str, outPtr, maxBytesToWrite) { + assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!'); + assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. + if (maxBytesToWrite === undefined) { + maxBytesToWrite = 0x7FFFFFFF; + } + if (maxBytesToWrite < 2) return 0; + maxBytesToWrite -= 2; // Null terminator. + var startPtr = outPtr; + var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; + for (var i = 0; i < numCharsToWrite; ++i) { + // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. + var codeUnit = str.charCodeAt(i); // possibly a lead surrogate + HEAP16[((outPtr)>>1)] = codeUnit; + outPtr += 2; + } + // Null-terminate the pointer to the HEAP. + HEAP16[((outPtr)>>1)] = 0; + return outPtr - startPtr; +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. + +function lengthBytesUTF16(str) { + return str.length*2; +} + +function UTF32ToString(ptr, maxBytesToRead) { + assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); + var i = 0; + + var str = ''; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(i >= maxBytesToRead / 4)) { + var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; + if (utf32 == 0) break; + ++i; + // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + if (utf32 >= 0x10000) { + var ch = utf32 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } else { + str += String.fromCharCode(utf32); + } + } + return str; +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. +// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// outPtr: Byte address in Emscripten HEAP where to write the string to. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null +// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. +// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF32(str, outPtr, maxBytesToWrite) { + assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!'); + assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. + if (maxBytesToWrite === undefined) { + maxBytesToWrite = 0x7FFFFFFF; + } + if (maxBytesToWrite < 4) return 0; + var startPtr = outPtr; + var endPtr = startPtr + maxBytesToWrite - 4; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var codeUnit = str.charCodeAt(i); // possibly a lead surrogate + if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { + var trailSurrogate = str.charCodeAt(++i); + codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); + } + HEAP32[((outPtr)>>2)] = codeUnit; + outPtr += 4; + if (outPtr + 4 > endPtr) break; + } + // Null-terminate the pointer to the HEAP. + HEAP32[((outPtr)>>2)] = 0; + return outPtr - startPtr; +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. + +function lengthBytesUTF32(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var codeUnit = str.charCodeAt(i); + if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. + len += 4; + } + + return len; +} + +// Allocate heap space for a JS string, and write it there. +// It is the responsibility of the caller to free() that memory. +function allocateUTF8(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = _malloc(size); + if (ret) stringToUTF8Array(str, HEAP8, ret, size); + return ret; +} + +// Allocate stack space for a JS string, and write it there. +function allocateUTF8OnStack(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = stackAlloc(size); + stringToUTF8Array(str, HEAP8, ret, size); + return ret; +} + +// Deprecated: This function should not be called because it is unsafe and does not provide +// a maximum length limit of how many bytes it is allowed to write. Prefer calling the +// function stringToUTF8Array() instead, which takes in a maximum length that can be used +// to be secure from out of bounds writes. +/** @deprecated + @param {boolean=} dontAddNull */ +function writeStringToMemory(string, buffer, dontAddNull) { + warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); + + var /** @type {number} */ lastChar, /** @type {number} */ end; + if (dontAddNull) { + // stringToUTF8Array always appends null. If we don't want to do that, remember the + // character that existed at the location where the null will be placed, and restore + // that after the write (below). + end = buffer + lengthBytesUTF8(string); + lastChar = HEAP8[end]; + } + stringToUTF8(string, buffer, Infinity); + if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. +} + +function writeArrayToMemory(array, buffer) { + assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') + HEAP8.set(array, buffer); +} + +/** @param {boolean=} dontAddNull */ +function writeAsciiToMemory(str, buffer, dontAddNull) { + for (var i = 0; i < str.length; ++i) { + assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); + HEAP8[((buffer++)>>0)] = str.charCodeAt(i); + } + // Null-terminate the pointer to the HEAP. + if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; +} + +// end include: runtime_strings_extra.js +// Memory management + +var HEAP, +/** @type {!ArrayBuffer} */ + buffer, +/** @type {!Int8Array} */ + HEAP8, +/** @type {!Uint8Array} */ + HEAPU8, +/** @type {!Int16Array} */ + HEAP16, +/** @type {!Uint16Array} */ + HEAPU16, +/** @type {!Int32Array} */ + HEAP32, +/** @type {!Uint32Array} */ + HEAPU32, +/** @type {!Float32Array} */ + HEAPF32, +/** @type {!Float64Array} */ + HEAPF64; + +function updateGlobalBufferAndViews(buf) { + buffer = buf; + Module['HEAP8'] = HEAP8 = new Int8Array(buf); + Module['HEAP16'] = HEAP16 = new Int16Array(buf); + Module['HEAP32'] = HEAP32 = new Int32Array(buf); + Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); + Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); + Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); + Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); + Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); +} + +var TOTAL_STACK = 5242880; +if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime') + +var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 134217728;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); + +assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')'); + +// check for full engine support (use string 'subarray' to avoid closure compiler confusion) +assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, + 'JS engine does not provide full typed array support'); + +// If memory is defined in wasm, the user can't provide it. +assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); +assert(INITIAL_MEMORY == 134217728, 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); + +// include: runtime_init_table.js +// In regular non-RELOCATABLE mode the table is exported +// from the wasm module and this will be assigned once +// the exports are available. +var wasmTable; + +// end include: runtime_init_table.js +// include: runtime_stack_check.js + + +// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. +function writeStackCookie() { + var max = _emscripten_stack_get_end(); + assert((max & 3) == 0); + // The stack grow downwards towards _emscripten_stack_get_end. + // We write cookies to the final two words in the stack and detect if they are + // ever overwritten. + HEAP32[((max)>>2)] = 0x2135467; + HEAP32[(((max)+(4))>>2)] = 0x89BACDFE; + // Also test the global address 0 for integrity. + HEAPU32[0] = 0x63736d65; /* 'emsc' */ +} + +function checkStackCookie() { + if (ABORT) return; + var max = _emscripten_stack_get_end(); + var cookie1 = HEAPU32[((max)>>2)]; + var cookie2 = HEAPU32[(((max)+(4))>>2)]; + if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { + abort('Stack overflow! Stack cookie has been overwritten at 0x' + max.toString(16) + ', expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16)); + } + // Also test the global address 0 for integrity. + if (HEAPU32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); +} + +// end include: runtime_stack_check.js +// include: runtime_assertions.js + + +// Endianness check +(function() { + var h16 = new Int16Array(1); + var h8 = new Int8Array(h16.buffer); + h16[0] = 0x6373; + if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; +})(); + +// end include: runtime_assertions.js +var __ATPRERUN__ = []; // functions called before the runtime is initialized +var __ATINIT__ = []; // functions called during startup +var __ATEXIT__ = []; // functions called during shutdown +var __ATPOSTRUN__ = []; // functions called after the main() is called + +var runtimeInitialized = false; + +function keepRuntimeAlive() { + return noExitRuntime; +} + +function preRun() { + + if (Module['preRun']) { + if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; + while (Module['preRun'].length) { + addOnPreRun(Module['preRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPRERUN__); +} + +function initRuntime() { + assert(!runtimeInitialized); + runtimeInitialized = true; + + checkStackCookie(); + + + callRuntimeCallbacks(__ATINIT__); +} + +function postRun() { + checkStackCookie(); + + if (Module['postRun']) { + if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; + while (Module['postRun'].length) { + addOnPostRun(Module['postRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPOSTRUN__); +} + +function addOnPreRun(cb) { + __ATPRERUN__.unshift(cb); +} + +function addOnInit(cb) { + __ATINIT__.unshift(cb); +} + +function addOnExit(cb) { +} + +function addOnPostRun(cb) { + __ATPOSTRUN__.unshift(cb); +} + +// include: runtime_math.js + + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 + +// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc + +assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); +assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); +assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); +assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); + +// end include: runtime_math.js +// A counter of dependencies for calling run(). If we need to +// do asynchronous work before running, increment this and +// decrement it. Incrementing must happen in a place like +// Module.preRun (used by emcc to add file preloading). +// Note that you can add dependencies in preRun, even though +// it happens right before run - run will be postponed until +// the dependencies are met. +var runDependencies = 0; +var runDependencyWatcher = null; +var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled +var runDependencyTracking = {}; + +function getUniqueRunDependency(id) { + var orig = id; + while (1) { + if (!runDependencyTracking[id]) return id; + id = orig + Math.random(); + } +} + +function addRunDependency(id) { + runDependencies++; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (id) { + assert(!runDependencyTracking[id]); + runDependencyTracking[id] = 1; + if (runDependencyWatcher === null && typeof setInterval != 'undefined') { + // Check for missing dependencies every few seconds + runDependencyWatcher = setInterval(function() { + if (ABORT) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + return; + } + var shown = false; + for (var dep in runDependencyTracking) { + if (!shown) { + shown = true; + err('still waiting on run dependencies:'); + } + err('dependency: ' + dep); + } + if (shown) { + err('(end of list)'); + } + }, 10000); + } + } else { + err('warning: run dependency added without ID'); + } +} + +function removeRunDependency(id) { + runDependencies--; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (id) { + assert(runDependencyTracking[id]); + delete runDependencyTracking[id]; + } else { + err('warning: run dependency removed without ID'); + } + if (runDependencies == 0) { + if (runDependencyWatcher !== null) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + } + if (dependenciesFulfilled) { + var callback = dependenciesFulfilled; + dependenciesFulfilled = null; + callback(); // can add another dependenciesFulfilled + } + } +} + +/** @param {string|number=} what */ +function abort(what) { + { + if (Module['onAbort']) { + Module['onAbort'](what); + } + } + + what = 'Aborted(' + what + ')'; + // TODO(sbc): Should we remove printing and leave it up to whoever + // catches the exception? + err(what); + + ABORT = true; + EXITSTATUS = 1; + + // Use a wasm runtime error, because a JS error might be seen as a foreign + // exception, which means we'd run destructors on it. We need the error to + // simply make the program stop. + // FIXME This approach does not work in Wasm EH because it currently does not assume + // all RuntimeErrors are from traps; it decides whether a RuntimeError is from + // a trap or not based on a hidden field within the object. So at the moment + // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that + // allows this in the wasm spec. + + // Suppress closure compiler warning here. Closure compiler's builtin extern + // defintion for WebAssembly.RuntimeError claims it takes no arguments even + // though it can. + // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. + /** @suppress {checkTypes} */ + var e = new WebAssembly.RuntimeError(what); + + readyPromiseReject(e); + // Throw the error whether or not MODULARIZE is set because abort is used + // in code paths apart from instantiation where an exception is expected + // to be thrown when abort is called. + throw e; +} + +// {{MEM_INITIALIZER}} + +// include: memoryprofiler.js + + +// end include: memoryprofiler.js +// show errors on likely calls to FS when it was not included +var FS = { + error: function() { + abort('Filesystem support (FS) was not included. The problem is that you are using files from JS, but files were not used from C/C++, so filesystem support was not auto-included. You can force-include filesystem support with -sFORCE_FILESYSTEM'); + }, + init: function() { FS.error() }, + createDataFile: function() { FS.error() }, + createPreloadedFile: function() { FS.error() }, + createLazyFile: function() { FS.error() }, + open: function() { FS.error() }, + mkdev: function() { FS.error() }, + registerDevice: function() { FS.error() }, + analyzePath: function() { FS.error() }, + loadFilesFromDB: function() { FS.error() }, + + ErrnoError: function ErrnoError() { FS.error() }, +}; +Module['FS_createDataFile'] = FS.createDataFile; +Module['FS_createPreloadedFile'] = FS.createPreloadedFile; + +// include: URIUtils.js + + +// Prefix of data URIs emitted by SINGLE_FILE and related options. +var dataURIPrefix = 'data:application/octet-stream;base64,'; + +// Indicates whether filename is a base64 data URI. +function isDataURI(filename) { + // Prefix of data URIs emitted by SINGLE_FILE and related options. + return filename.startsWith(dataURIPrefix); +} + +// Indicates whether filename is delivered via file protocol (as opposed to http/https) +function isFileURI(filename) { + return filename.startsWith('file://'); +} + +// end include: URIUtils.js +/** @param {boolean=} fixedasm */ +function createExportWrapper(name, fixedasm) { + return function() { + var displayName = name; + var asm = fixedasm; + if (!fixedasm) { + asm = Module['asm']; + } + assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); + if (!asm[name]) { + assert(asm[name], 'exported native function `' + displayName + '` not found'); + } + return asm[name].apply(null, arguments); + }; +} + +var wasmBinaryFile; + wasmBinaryFile = 'renderer.wasm'; + if (!isDataURI(wasmBinaryFile)) { + wasmBinaryFile = locateFile(wasmBinaryFile); + } + +function getBinary(file) { + try { + if (file == wasmBinaryFile && wasmBinary) { + return new Uint8Array(wasmBinary); + } + if (readBinary) { + return readBinary(file); + } else { + throw "both async and sync fetching of the wasm failed"; + } + } + catch (err) { + abort(err); + } +} + +function getBinaryPromise() { + // If we don't have the binary yet, try to to load it asynchronously. + // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. + // See https://github.com/github/fetch/pull/92#issuecomment-140665932 + // Cordova or Electron apps are typically loaded from a file:// url. + // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. + if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { + if (typeof fetch == 'function' + ) { + return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { + if (!response['ok']) { + throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; + } + return response['arrayBuffer'](); + }).catch(function () { + return getBinary(wasmBinaryFile); + }); + } + } + + // Otherwise, getBinary should be able to get it synchronously + return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); +} + +// Create the wasm instance. +// Receives the wasm imports, returns the exports. +function createWasm() { + // prepare imports + var info = { + 'env': asmLibraryArg, + 'wasi_snapshot_preview1': asmLibraryArg, + }; + // Load the wasm module and create an instance of using native support in the JS engine. + // handle a generated wasm instance, receiving its exports and + // performing other necessary setup + /** @param {WebAssembly.Module=} module*/ + function receiveInstance(instance, module) { + var exports = instance.exports; + + Module['asm'] = exports; + + wasmMemory = Module['asm']['memory']; + assert(wasmMemory, "memory not found in wasm exports"); + // This assertion doesn't hold when emscripten is run in --post-link + // mode. + // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. + //assert(wasmMemory.buffer.byteLength === 134217728); + updateGlobalBufferAndViews(wasmMemory.buffer); + + wasmTable = Module['asm']['__indirect_function_table']; + assert(wasmTable, "table not found in wasm exports"); + + addOnInit(Module['asm']['__wasm_call_ctors']); + + removeRunDependency('wasm-instantiate'); + + } + // we can't run yet (except in a pthread, where we have a custom sync instantiator) + addRunDependency('wasm-instantiate'); + + // Prefer streaming instantiation if available. + // Async compilation can be confusing when an error on the page overwrites Module + // (for example, if the order of elements is wrong, and the one defining Module is + // later), so we save Module and check it later. + var trueModule = Module; + function receiveInstantiationResult(result) { + // 'result' is a ResultObject object which has both the module and instance. + // receiveInstance() will swap in the exports (to Module.asm) so they can be called + assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); + trueModule = null; + // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. + // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. + receiveInstance(result['instance']); + } + + function instantiateArrayBuffer(receiver) { + return getBinaryPromise().then(function(binary) { + return WebAssembly.instantiate(binary, info); + }).then(function (instance) { + return instance; + }).then(receiver, function(reason) { + err('failed to asynchronously prepare wasm: ' + reason); + + // Warn on some common problems. + if (isFileURI(wasmBinaryFile)) { + err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); + } + abort(reason); + }); + } + + function instantiateAsync() { + if (!wasmBinary && + typeof WebAssembly.instantiateStreaming == 'function' && + !isDataURI(wasmBinaryFile) && + typeof fetch == 'function') { + return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { + // Suppress closure warning here since the upstream definition for + // instantiateStreaming only allows Promise rather than + // an actual Response. + // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. + /** @suppress {checkTypes} */ + var result = WebAssembly.instantiateStreaming(response, info); + + return result.then( + receiveInstantiationResult, + function(reason) { + // We expect the most common failure cause to be a bad MIME type for the binary, + // in which case falling back to ArrayBuffer instantiation should work. + err('wasm streaming compile failed: ' + reason); + err('falling back to ArrayBuffer instantiation'); + return instantiateArrayBuffer(receiveInstantiationResult); + }); + }); + } else { + return instantiateArrayBuffer(receiveInstantiationResult); + } + } + + // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback + // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel + // to any other async startup actions they are performing. + // Also pthreads and wasm workers initialize the wasm instance through this path. + if (Module['instantiateWasm']) { + try { + var exports = Module['instantiateWasm'](info, receiveInstance); + return exports; + } catch(e) { + err('Module.instantiateWasm callback failed with error: ' + e); + return false; + } + } + + // If instantiation fails, reject the module ready promise. + instantiateAsync().catch(readyPromiseReject); + return {}; // no exports yet; we'll fill them in later +} + +// Globals used by JS i64 conversions (see makeSetValue) +var tempDouble; +var tempI64; + +// === Body === + +var ASM_CONSTS = { + +}; + + + + + + + function callRuntimeCallbacks(callbacks) { + while (callbacks.length > 0) { + // Pass the module as the first argument. + callbacks.shift()(Module); + } + } + + function withStackSave(f) { + var stack = stackSave(); + var ret = f(); + stackRestore(stack); + return ret; + } + function demangle(func) { + warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling'); + return func; + } + + function demangleAll(text) { + var regex = + /\b_Z[\w\d_]+/g; + return text.replace(regex, + function(x) { + var y = demangle(x); + return x === y ? x : (y + ' [' + x + ']'); + }); + } + + + /** + * @param {number} ptr + * @param {string} type + */ + function getValue(ptr, type = 'i8') { + if (type.endsWith('*')) type = '*'; + switch (type) { + case 'i1': return HEAP8[((ptr)>>0)]; + case 'i8': return HEAP8[((ptr)>>0)]; + case 'i16': return HEAP16[((ptr)>>1)]; + case 'i32': return HEAP32[((ptr)>>2)]; + case 'i64': return HEAP32[((ptr)>>2)]; + case 'float': return HEAPF32[((ptr)>>2)]; + case 'double': return HEAPF64[((ptr)>>3)]; + case '*': return HEAPU32[((ptr)>>2)]; + default: abort('invalid type for getValue: ' + type); + } + return null; + } + + var wasmTableMirror = []; + function getWasmTableEntry(funcPtr) { + var func = wasmTableMirror[funcPtr]; + if (!func) { + if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1; + wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr); + } + assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!"); + return func; + } + + function handleException(e) { + // Certain exception types we do not treat as errors since they are used for + // internal control flow. + // 1. ExitStatus, which is thrown by exit() + // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others + // that wish to return to JS event loop. + if (e instanceof ExitStatus || e == 'unwind') { + return EXITSTATUS; + } + quit_(1, e); + } + + function jsStackTrace() { + var error = new Error(); + if (!error.stack) { + // IE10+ special cases: It does have callstack info, but it is only + // populated if an Error object is thrown, so try that as a special-case. + try { + throw new Error(); + } catch(e) { + error = e; + } + if (!error.stack) { + return '(no stack trace available)'; + } + } + return error.stack.toString(); + } + + + /** + * @param {number} ptr + * @param {number} value + * @param {string} type + */ + function setValue(ptr, value, type = 'i8') { + if (type.endsWith('*')) type = '*'; + switch (type) { + case 'i1': HEAP8[((ptr)>>0)] = value; break; + case 'i8': HEAP8[((ptr)>>0)] = value; break; + case 'i16': HEAP16[((ptr)>>1)] = value; break; + case 'i32': HEAP32[((ptr)>>2)] = value; break; + case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break; + case 'float': HEAPF32[((ptr)>>2)] = value; break; + case 'double': HEAPF64[((ptr)>>3)] = value; break; + case '*': HEAPU32[((ptr)>>2)] = value; break; + default: abort('invalid type for setValue: ' + type); + } + } + + function setWasmTableEntry(idx, func) { + wasmTable.set(idx, func); + // With ABORT_ON_WASM_EXCEPTIONS wasmTable.get is overriden to return wrapped + // functions so we need to call it here to retrieve the potential wrapper correctly + // instead of just storing 'func' directly into wasmTableMirror + wasmTableMirror[idx] = wasmTable.get(idx); + } + + function stackTrace() { + var js = jsStackTrace(); + if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); + return demangleAll(js); + } + + function setErrNo(value) { + HEAP32[((___errno_location())>>2)] = value; + return value; + } + + var SYSCALLS = {varargs:undefined,get:function() { + assert(SYSCALLS.varargs != undefined); + SYSCALLS.varargs += 4; + var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; + return ret; + },getStr:function(ptr) { + var ret = UTF8ToString(ptr); + return ret; + }}; + function ___syscall_fcntl64(fd, cmd, varargs) { + SYSCALLS.varargs = varargs; + + return 0; + } + + function ___syscall_fstat64(fd, buf) { + abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function ___syscall_ioctl(fd, op, varargs) { + SYSCALLS.varargs = varargs; + + return 0; + } + + function ___syscall_lstat64(path, buf) { + abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function ___syscall_newfstatat(dirfd, path, buf, flags) { + abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function ___syscall_openat(dirfd, path, flags, varargs) { + SYSCALLS.varargs = varargs; + + abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function ___syscall_stat64(path, buf) { + abort('it should not be possible to operate on streams when !SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function __embind_register_bigint(primitiveType, name, size, minRange, maxRange) {} + + function getShiftFromSize(size) { + switch (size) { + case 1: return 0; + case 2: return 1; + case 4: return 2; + case 8: return 3; + default: + throw new TypeError('Unknown type size: ' + size); + } + } + + function embind_init_charCodes() { + var codes = new Array(256); + for (var i = 0; i < 256; ++i) { + codes[i] = String.fromCharCode(i); + } + embind_charCodes = codes; + } + var embind_charCodes = undefined; + function readLatin1String(ptr) { + var ret = ""; + var c = ptr; + while (HEAPU8[c]) { + ret += embind_charCodes[HEAPU8[c++]]; + } + return ret; + } + + var awaitingDependencies = {}; + + var registeredTypes = {}; + + var typeDependencies = {}; + + var char_0 = 48; + + var char_9 = 57; + function makeLegalFunctionName(name) { + if (undefined === name) { + return '_unknown'; + } + name = name.replace(/[^a-zA-Z0-9_]/g, '$'); + var f = name.charCodeAt(0); + if (f >= char_0 && f <= char_9) { + return '_' + name; + } + return name; + } + function createNamedFunction(name, body) { + name = makeLegalFunctionName(name); + return function() { + "use strict"; + return body.apply(this, arguments); + }; + } + function extendError(baseErrorType, errorName) { + var errorClass = createNamedFunction(errorName, function(message) { + this.name = errorName; + this.message = message; + + var stack = (new Error(message)).stack; + if (stack !== undefined) { + this.stack = this.toString() + '\n' + + stack.replace(/^Error(:[^\n]*)?\n/, ''); + } + }); + errorClass.prototype = Object.create(baseErrorType.prototype); + errorClass.prototype.constructor = errorClass; + errorClass.prototype.toString = function() { + if (this.message === undefined) { + return this.name; + } else { + return this.name + ': ' + this.message; + } + }; + + return errorClass; + } + var BindingError = undefined; + function throwBindingError(message) { + throw new BindingError(message); + } + + var InternalError = undefined; + function throwInternalError(message) { + throw new InternalError(message); + } + function whenDependentTypesAreResolved(myTypes, dependentTypes, getTypeConverters) { + myTypes.forEach(function(type) { + typeDependencies[type] = dependentTypes; + }); + + function onComplete(typeConverters) { + var myTypeConverters = getTypeConverters(typeConverters); + if (myTypeConverters.length !== myTypes.length) { + throwInternalError('Mismatched type converter count'); + } + for (var i = 0; i < myTypes.length; ++i) { + registerType(myTypes[i], myTypeConverters[i]); + } + } + + var typeConverters = new Array(dependentTypes.length); + var unregisteredTypes = []; + var registered = 0; + dependentTypes.forEach((dt, i) => { + if (registeredTypes.hasOwnProperty(dt)) { + typeConverters[i] = registeredTypes[dt]; + } else { + unregisteredTypes.push(dt); + if (!awaitingDependencies.hasOwnProperty(dt)) { + awaitingDependencies[dt] = []; + } + awaitingDependencies[dt].push(() => { + typeConverters[i] = registeredTypes[dt]; + ++registered; + if (registered === unregisteredTypes.length) { + onComplete(typeConverters); + } + }); + } + }); + if (0 === unregisteredTypes.length) { + onComplete(typeConverters); + } + } + /** @param {Object=} options */ + function registerType(rawType, registeredInstance, options = {}) { + if (!('argPackAdvance' in registeredInstance)) { + throw new TypeError('registerType registeredInstance requires argPackAdvance'); + } + + var name = registeredInstance.name; + if (!rawType) { + throwBindingError('type "' + name + '" must have a positive integer typeid pointer'); + } + if (registeredTypes.hasOwnProperty(rawType)) { + if (options.ignoreDuplicateRegistrations) { + return; + } else { + throwBindingError("Cannot register type '" + name + "' twice"); + } + } + + registeredTypes[rawType] = registeredInstance; + delete typeDependencies[rawType]; + + if (awaitingDependencies.hasOwnProperty(rawType)) { + var callbacks = awaitingDependencies[rawType]; + delete awaitingDependencies[rawType]; + callbacks.forEach((cb) => cb()); + } + } + function __embind_register_bool(rawType, name, size, trueValue, falseValue) { + var shift = getShiftFromSize(size); + + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': function(wt) { + // ambiguous emscripten ABI: sometimes return values are + // true or false, and sometimes integers (0 or 1) + return !!wt; + }, + 'toWireType': function(destructors, o) { + return o ? trueValue : falseValue; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': function(pointer) { + // TODO: if heap is fixed (like in asm.js) this could be executed outside + var heap; + if (size === 1) { + heap = HEAP8; + } else if (size === 2) { + heap = HEAP16; + } else if (size === 4) { + heap = HEAP32; + } else { + throw new TypeError("Unknown boolean type size: " + name); + } + return this['fromWireType'](heap[pointer >> shift]); + }, + destructorFunction: null, // This type does not need a destructor + }); + } + + function __embind_register_constant(name, type, value) { + name = readLatin1String(name); + whenDependentTypesAreResolved([], [type], function(type) { + type = type[0]; + Module[name] = type['fromWireType'](value); + return []; + }); + } + + var emval_free_list = []; + + var emval_handle_array = [{},{value:undefined},{value:null},{value:true},{value:false}]; + function __emval_decref(handle) { + if (handle > 4 && 0 === --emval_handle_array[handle].refcount) { + emval_handle_array[handle] = undefined; + emval_free_list.push(handle); + } + } + + function count_emval_handles() { + var count = 0; + for (var i = 5; i < emval_handle_array.length; ++i) { + if (emval_handle_array[i] !== undefined) { + ++count; + } + } + return count; + } + + function get_first_emval() { + for (var i = 5; i < emval_handle_array.length; ++i) { + if (emval_handle_array[i] !== undefined) { + return emval_handle_array[i]; + } + } + return null; + } + function init_emval() { + Module['count_emval_handles'] = count_emval_handles; + Module['get_first_emval'] = get_first_emval; + } + var Emval = {toValue:(handle) => { + if (!handle) { + throwBindingError('Cannot use deleted val. handle = ' + handle); + } + return emval_handle_array[handle].value; + },toHandle:(value) => { + switch (value) { + case undefined: return 1; + case null: return 2; + case true: return 3; + case false: return 4; + default:{ + var handle = emval_free_list.length ? + emval_free_list.pop() : + emval_handle_array.length; + + emval_handle_array[handle] = {refcount: 1, value: value}; + return handle; + } + } + }}; + + function simpleReadValueFromPointer(pointer) { + return this['fromWireType'](HEAP32[((pointer)>>2)]); + } + function __embind_register_emval(rawType, name) { + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': function(handle) { + var rv = Emval.toValue(handle); + __emval_decref(handle); + return rv; + }, + 'toWireType': function(destructors, value) { + return Emval.toHandle(value); + }, + 'argPackAdvance': 8, + 'readValueFromPointer': simpleReadValueFromPointer, + destructorFunction: null, // This type does not need a destructor + + // TODO: do we need a deleteObject here? write a test where + // emval is passed into JS via an interface + }); + } + + function embindRepr(v) { + if (v === null) { + return 'null'; + } + var t = typeof v; + if (t === 'object' || t === 'array' || t === 'function') { + return v.toString(); + } else { + return '' + v; + } + } + + function floatReadValueFromPointer(name, shift) { + switch (shift) { + case 2: return function(pointer) { + return this['fromWireType'](HEAPF32[pointer >> 2]); + }; + case 3: return function(pointer) { + return this['fromWireType'](HEAPF64[pointer >> 3]); + }; + default: + throw new TypeError("Unknown float type: " + name); + } + } + function __embind_register_float(rawType, name, size) { + var shift = getShiftFromSize(size); + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': function(value) { + return value; + }, + 'toWireType': function(destructors, value) { + if (typeof value != "number" && typeof value != "boolean") { + throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + this.name); + } + // The VM will perform JS to Wasm value conversion, according to the spec: + // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue + return value; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': floatReadValueFromPointer(name, shift), + destructorFunction: null, // This type does not need a destructor + }); + } + + function new_(constructor, argumentList) { + if (!(constructor instanceof Function)) { + throw new TypeError('new_ called with constructor type ' + typeof(constructor) + " which is not a function"); + } + if (constructor === Function) { + throw new Error('new_ cannot create a new Function with DYNAMIC_EXECUTION == 0.'); + } + /* + * Previously, the following line was just: + * function dummy() {}; + * Unfortunately, Chrome was preserving 'dummy' as the object's name, even + * though at creation, the 'dummy' has the correct constructor name. Thus, + * objects created with IMVU.new would show up in the debugger as 'dummy', + * which isn't very helpful. Using IMVU.createNamedFunction addresses the + * issue. Doublely-unfortunately, there's no way to write a test for this + * behavior. -NRD 2013.02.22 + */ + var dummy = createNamedFunction(constructor.name || 'unknownFunctionName', function(){}); + dummy.prototype = constructor.prototype; + var obj = new dummy; + + var r = constructor.apply(obj, argumentList); + return (r instanceof Object) ? r : obj; + } + + function runDestructors(destructors) { + while (destructors.length) { + var ptr = destructors.pop(); + var del = destructors.pop(); + del(ptr); + } + } + function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) { + // humanName: a human-readable string name for the function to be generated. + // argTypes: An array that contains the embind type objects for all types in the function signature. + // argTypes[0] is the type object for the function return value. + // argTypes[1] is the type object for function this object/class type, or null if not crafting an invoker for a class method. + // argTypes[2...] are the actual function parameters. + // classType: The embind type object for the class to be bound, or null if this is not a method of a class. + // cppInvokerFunc: JS Function object to the C++-side function that interops into C++ code. + // cppTargetFunc: Function pointer (an integer to FUNCTION_TABLE) to the target C++ function the cppInvokerFunc will end up calling. + var argCount = argTypes.length; + + if (argCount < 2) { + throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!"); + } + + var isClassMethodFunc = (argTypes[1] !== null && classType !== null); + + // Free functions with signature "void function()" do not need an invoker that marshalls between wire types. + // TODO: This omits argument count check - enable only at -O3 or similar. + // if (ENABLE_UNSAFE_OPTS && argCount == 2 && argTypes[0].name == "void" && !isClassMethodFunc) { + // return FUNCTION_TABLE[fn]; + // } + + // Determine if we need to use a dynamic stack to store the destructors for the function parameters. + // TODO: Remove this completely once all function invokers are being dynamically generated. + var needsDestructorStack = false; + + for (var i = 1; i < argTypes.length; ++i) { // Skip return value at index 0 - it's not deleted here. + if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) { // The type does not define a destructor function - must use dynamic stack + needsDestructorStack = true; + break; + } + } + + var returns = (argTypes[0].name !== "void"); + + var expectedArgCount = argCount - 2; + var argsWired = new Array(expectedArgCount); + var invokerFuncArgs = []; + var destructors = []; + return function() { + if (arguments.length !== expectedArgCount) { + throwBindingError('function ' + humanName + ' called with ' + + arguments.length + ' arguments, expected ' + expectedArgCount + + ' args!'); + } + destructors.length = 0; + var thisWired; + invokerFuncArgs.length = isClassMethodFunc ? 2 : 1; + invokerFuncArgs[0] = cppTargetFunc; + if (isClassMethodFunc) { + thisWired = argTypes[1]['toWireType'](destructors, this); + invokerFuncArgs[1] = thisWired; + } + for (var i = 0; i < expectedArgCount; ++i) { + argsWired[i] = argTypes[i + 2]['toWireType'](destructors, arguments[i]); + invokerFuncArgs.push(argsWired[i]); + } + + var rv = cppInvokerFunc.apply(null, invokerFuncArgs); + + function onDone(rv) { + if (needsDestructorStack) { + runDestructors(destructors); + } else { + for (var i = isClassMethodFunc ? 1 : 2; i < argTypes.length; i++) { + var param = i === 1 ? thisWired : argsWired[i - 2]; + if (argTypes[i].destructorFunction !== null) { + argTypes[i].destructorFunction(param); + } + } + } + + if (returns) { + return argTypes[0]['fromWireType'](rv); + } + } + + return onDone(rv); + }; + } + + function ensureOverloadTable(proto, methodName, humanName) { + if (undefined === proto[methodName].overloadTable) { + var prevFunc = proto[methodName]; + // Inject an overload resolver function that routes to the appropriate overload based on the number of arguments. + proto[methodName] = function() { + // TODO This check can be removed in -O3 level "unsafe" optimizations. + if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) { + throwBindingError("Function '" + humanName + "' called with an invalid number of arguments (" + arguments.length + ") - expects one of (" + proto[methodName].overloadTable + ")!"); + } + return proto[methodName].overloadTable[arguments.length].apply(this, arguments); + }; + // Move the previous function into the overload table. + proto[methodName].overloadTable = []; + proto[methodName].overloadTable[prevFunc.argCount] = prevFunc; + } + } + /** @param {number=} numArguments */ + function exposePublicSymbol(name, value, numArguments) { + if (Module.hasOwnProperty(name)) { + if (undefined === numArguments || (undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments])) { + throwBindingError("Cannot register public name '" + name + "' twice"); + } + + // We are exposing a function with the same name as an existing function. Create an overload table and a function selector + // that routes between the two. + ensureOverloadTable(Module, name, name); + if (Module.hasOwnProperty(numArguments)) { + throwBindingError("Cannot register multiple overloads of a function with the same number of arguments (" + numArguments + ")!"); + } + // Add the new function into the overload table. + Module[name].overloadTable[numArguments] = value; + } + else { + Module[name] = value; + if (undefined !== numArguments) { + Module[name].numArguments = numArguments; + } + } + } + + function heap32VectorToArray(count, firstElement) { + var array = []; + for (var i = 0; i < count; i++) { + // TODO(https://github.com/emscripten-core/emscripten/issues/17310): + // Find a way to hoist the `>> 2` or `>> 3` out of this loop. + array.push(HEAPU32[(((firstElement)+(i * 4))>>2)]); + } + return array; + } + + /** @param {number=} numArguments */ + function replacePublicSymbol(name, value, numArguments) { + if (!Module.hasOwnProperty(name)) { + throwInternalError('Replacing nonexistant public symbol'); + } + // If there's an overload table for this symbol, replace the symbol in the overload table instead. + if (undefined !== Module[name].overloadTable && undefined !== numArguments) { + Module[name].overloadTable[numArguments] = value; + } + else { + Module[name] = value; + Module[name].argCount = numArguments; + } + } + + function dynCallLegacy(sig, ptr, args) { + assert(('dynCall_' + sig) in Module, 'bad function pointer type - no table for sig \'' + sig + '\''); + if (args && args.length) { + // j (64-bit integer) must be passed in as two numbers [low 32, high 32]. + assert(args.length === sig.substring(1).replace(/j/g, '--').length); + } else { + assert(sig.length == 1); + } + var f = Module['dynCall_' + sig]; + return args && args.length ? f.apply(null, [ptr].concat(args)) : f.call(null, ptr); + } + /** @param {Object=} args */ + function dynCall(sig, ptr, args) { + // Without WASM_BIGINT support we cannot directly call function with i64 as + // part of thier signature, so we rely the dynCall functions generated by + // wasm-emscripten-finalize + if (sig.includes('j')) { + return dynCallLegacy(sig, ptr, args); + } + assert(getWasmTableEntry(ptr), 'missing table entry in dynCall: ' + ptr); + var rtn = getWasmTableEntry(ptr).apply(null, args); + return rtn; + } + function getDynCaller(sig, ptr) { + assert(sig.includes('j') || sig.includes('p'), 'getDynCaller should only be called with i64 sigs') + var argCache = []; + return function() { + argCache.length = 0; + Object.assign(argCache, arguments); + return dynCall(sig, ptr, argCache); + }; + } + function embind__requireFunction(signature, rawFunction) { + signature = readLatin1String(signature); + + function makeDynCaller() { + if (signature.includes('j')) { + return getDynCaller(signature, rawFunction); + } + return getWasmTableEntry(rawFunction); + } + + var fp = makeDynCaller(); + if (typeof fp != "function") { + throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction); + } + return fp; + } + + var UnboundTypeError = undefined; + + function getTypeName(type) { + var ptr = ___getTypeName(type); + var rv = readLatin1String(ptr); + _free(ptr); + return rv; + } + function throwUnboundTypeError(message, types) { + var unboundTypes = []; + var seen = {}; + function visit(type) { + if (seen[type]) { + return; + } + if (registeredTypes[type]) { + return; + } + if (typeDependencies[type]) { + typeDependencies[type].forEach(visit); + return; + } + unboundTypes.push(type); + seen[type] = true; + } + types.forEach(visit); + + throw new UnboundTypeError(message + ': ' + unboundTypes.map(getTypeName).join([', '])); + } + function __embind_register_function(name, argCount, rawArgTypesAddr, signature, rawInvoker, fn) { + var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr); + name = readLatin1String(name); + + rawInvoker = embind__requireFunction(signature, rawInvoker); + + exposePublicSymbol(name, function() { + throwUnboundTypeError('Cannot call ' + name + ' due to unbound types', argTypes); + }, argCount - 1); + + whenDependentTypesAreResolved([], argTypes, function(argTypes) { + var invokerArgsArray = [argTypes[0] /* return value */, null /* no class 'this'*/].concat(argTypes.slice(1) /* actual params */); + replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null /* no class 'this'*/, rawInvoker, fn), argCount - 1); + return []; + }); + } + + function integerReadValueFromPointer(name, shift, signed) { + // integers are quite common, so generate very specialized functions + switch (shift) { + case 0: return signed ? + function readS8FromPointer(pointer) { return HEAP8[pointer]; } : + function readU8FromPointer(pointer) { return HEAPU8[pointer]; }; + case 1: return signed ? + function readS16FromPointer(pointer) { return HEAP16[pointer >> 1]; } : + function readU16FromPointer(pointer) { return HEAPU16[pointer >> 1]; }; + case 2: return signed ? + function readS32FromPointer(pointer) { return HEAP32[pointer >> 2]; } : + function readU32FromPointer(pointer) { return HEAPU32[pointer >> 2]; }; + default: + throw new TypeError("Unknown integer type: " + name); + } + } + function __embind_register_integer(primitiveType, name, size, minRange, maxRange) { + name = readLatin1String(name); + // LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come + // out as 'i32 -1'. Always treat those as max u32. + if (maxRange === -1) { + maxRange = 4294967295; + } + + var shift = getShiftFromSize(size); + + var fromWireType = (value) => value; + + if (minRange === 0) { + var bitshift = 32 - 8*size; + fromWireType = (value) => (value << bitshift) >>> bitshift; + } + + var isUnsignedType = (name.includes('unsigned')); + var checkAssertions = (value, toTypeName) => { + if (typeof value != "number" && typeof value != "boolean") { + throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + toTypeName); + } + if (value < minRange || value > maxRange) { + throw new TypeError('Passing a number "' + embindRepr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ', ' + maxRange + ']!'); + } + } + var toWireType; + if (isUnsignedType) { + toWireType = function(destructors, value) { + checkAssertions(value, this.name); + return value >>> 0; + } + } else { + toWireType = function(destructors, value) { + checkAssertions(value, this.name); + // The VM will perform JS to Wasm value conversion, according to the spec: + // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue + return value; + } + } + registerType(primitiveType, { + name: name, + 'fromWireType': fromWireType, + 'toWireType': toWireType, + 'argPackAdvance': 8, + 'readValueFromPointer': integerReadValueFromPointer(name, shift, minRange !== 0), + destructorFunction: null, // This type does not need a destructor + }); + } + + function __embind_register_memory_view(rawType, dataTypeIndex, name) { + var typeMapping = [ + Int8Array, + Uint8Array, + Int16Array, + Uint16Array, + Int32Array, + Uint32Array, + Float32Array, + Float64Array, + ]; + + var TA = typeMapping[dataTypeIndex]; + + function decodeMemoryView(handle) { + handle = handle >> 2; + var heap = HEAPU32; + var size = heap[handle]; // in elements + var data = heap[handle + 1]; // byte offset into emscripten heap + return new TA(buffer, data, size); + } + + name = readLatin1String(name); + registerType(rawType, { + name: name, + 'fromWireType': decodeMemoryView, + 'argPackAdvance': 8, + 'readValueFromPointer': decodeMemoryView, + }, { + ignoreDuplicateRegistrations: true, + }); + } + + function __embind_register_std_string(rawType, name) { + name = readLatin1String(name); + var stdStringIsUTF8 + //process only std::string bindings with UTF8 support, in contrast to e.g. std::basic_string + = (name === "std::string"); + + registerType(rawType, { + name: name, + 'fromWireType': function(value) { + var length = HEAPU32[((value)>>2)]; + var payload = value + 4; + + var str; + if (stdStringIsUTF8) { + var decodeStartPtr = payload; + // Looping here to support possible embedded '0' bytes + for (var i = 0; i <= length; ++i) { + var currentBytePtr = payload + i; + if (i == length || HEAPU8[currentBytePtr] == 0) { + var maxRead = currentBytePtr - decodeStartPtr; + var stringSegment = UTF8ToString(decodeStartPtr, maxRead); + if (str === undefined) { + str = stringSegment; + } else { + str += String.fromCharCode(0); + str += stringSegment; + } + decodeStartPtr = currentBytePtr + 1; + } + } + } else { + var a = new Array(length); + for (var i = 0; i < length; ++i) { + a[i] = String.fromCharCode(HEAPU8[payload + i]); + } + str = a.join(''); + } + + _free(value); + + return str; + }, + 'toWireType': function(destructors, value) { + if (value instanceof ArrayBuffer) { + value = new Uint8Array(value); + } + + var length; + var valueIsOfTypeString = (typeof value == 'string'); + + if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) { + throwBindingError('Cannot pass non-string to std::string'); + } + if (stdStringIsUTF8 && valueIsOfTypeString) { + length = lengthBytesUTF8(value); + } else { + length = value.length; + } + + // assumes 4-byte alignment + var base = _malloc(4 + length + 1); + var ptr = base + 4; + HEAPU32[((base)>>2)] = length; + if (stdStringIsUTF8 && valueIsOfTypeString) { + stringToUTF8(value, ptr, length + 1); + } else { + if (valueIsOfTypeString) { + for (var i = 0; i < length; ++i) { + var charCode = value.charCodeAt(i); + if (charCode > 255) { + _free(ptr); + throwBindingError('String has UTF-16 code units that do not fit in 8 bits'); + } + HEAPU8[ptr + i] = charCode; + } + } else { + for (var i = 0; i < length; ++i) { + HEAPU8[ptr + i] = value[i]; + } + } + } + + if (destructors !== null) { + destructors.push(_free, base); + } + return base; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': simpleReadValueFromPointer, + destructorFunction: function(ptr) { _free(ptr); }, + }); + } + + function __embind_register_std_wstring(rawType, charSize, name) { + name = readLatin1String(name); + var decodeString, encodeString, getHeap, lengthBytesUTF, shift; + if (charSize === 2) { + decodeString = UTF16ToString; + encodeString = stringToUTF16; + lengthBytesUTF = lengthBytesUTF16; + getHeap = () => HEAPU16; + shift = 1; + } else if (charSize === 4) { + decodeString = UTF32ToString; + encodeString = stringToUTF32; + lengthBytesUTF = lengthBytesUTF32; + getHeap = () => HEAPU32; + shift = 2; + } + registerType(rawType, { + name: name, + 'fromWireType': function(value) { + // Code mostly taken from _embind_register_std_string fromWireType + var length = HEAPU32[value >> 2]; + var HEAP = getHeap(); + var str; + + var decodeStartPtr = value + 4; + // Looping here to support possible embedded '0' bytes + for (var i = 0; i <= length; ++i) { + var currentBytePtr = value + 4 + i * charSize; + if (i == length || HEAP[currentBytePtr >> shift] == 0) { + var maxReadBytes = currentBytePtr - decodeStartPtr; + var stringSegment = decodeString(decodeStartPtr, maxReadBytes); + if (str === undefined) { + str = stringSegment; + } else { + str += String.fromCharCode(0); + str += stringSegment; + } + decodeStartPtr = currentBytePtr + charSize; + } + } + + _free(value); + + return str; + }, + 'toWireType': function(destructors, value) { + if (!(typeof value == 'string')) { + throwBindingError('Cannot pass non-string to C++ string type ' + name); + } + + // assumes 4-byte alignment + var length = lengthBytesUTF(value); + var ptr = _malloc(4 + length + charSize); + HEAPU32[ptr >> 2] = length >> shift; + + encodeString(value, ptr + 4, length + charSize); + + if (destructors !== null) { + destructors.push(_free, ptr); + } + return ptr; + }, + 'argPackAdvance': 8, + 'readValueFromPointer': simpleReadValueFromPointer, + destructorFunction: function(ptr) { _free(ptr); }, + }); + } + + function __embind_register_void(rawType, name) { + name = readLatin1String(name); + registerType(rawType, { + isVoid: true, // void return values can be optimized out sometimes + name: name, + 'argPackAdvance': 0, + 'fromWireType': function() { + return undefined; + }, + 'toWireType': function(destructors, o) { + // TODO: assert if anything else is given? + return undefined; + }, + }); + } + + function __emscripten_date_now() { + return Date.now(); + } + + var nowIsMonotonic = true;; + function __emscripten_get_now_is_monotonic() { + return nowIsMonotonic; + } + + function __emscripten_throw_longjmp() { throw Infinity; } + + function __mmap_js(len, prot, flags, fd, off, allocated) { + return -52; + } + + function __munmap_js(addr, len, prot, flags, fd, offset) { + } + + function _abort() { + abort('native code called abort()'); + } + + var _emscripten_get_now;_emscripten_get_now = () => performance.now(); + ; + + function __webgl_enable_ANGLE_instanced_arrays(ctx) { + // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2. + var ext = ctx.getExtension('ANGLE_instanced_arrays'); + if (ext) { + ctx['vertexAttribDivisor'] = function(index, divisor) { ext['vertexAttribDivisorANGLE'](index, divisor); }; + ctx['drawArraysInstanced'] = function(mode, first, count, primcount) { ext['drawArraysInstancedANGLE'](mode, first, count, primcount); }; + ctx['drawElementsInstanced'] = function(mode, count, type, indices, primcount) { ext['drawElementsInstancedANGLE'](mode, count, type, indices, primcount); }; + return 1; + } + } + + function __webgl_enable_OES_vertex_array_object(ctx) { + // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2. + var ext = ctx.getExtension('OES_vertex_array_object'); + if (ext) { + ctx['createVertexArray'] = function() { return ext['createVertexArrayOES'](); }; + ctx['deleteVertexArray'] = function(vao) { ext['deleteVertexArrayOES'](vao); }; + ctx['bindVertexArray'] = function(vao) { ext['bindVertexArrayOES'](vao); }; + ctx['isVertexArray'] = function(vao) { return ext['isVertexArrayOES'](vao); }; + return 1; + } + } + + function __webgl_enable_WEBGL_draw_buffers(ctx) { + // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2. + var ext = ctx.getExtension('WEBGL_draw_buffers'); + if (ext) { + ctx['drawBuffers'] = function(n, bufs) { ext['drawBuffersWEBGL'](n, bufs); }; + return 1; + } + } + + function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) { + // Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted. + return !!(ctx.dibvbi = ctx.getExtension('WEBGL_draw_instanced_base_vertex_base_instance')); + } + + function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) { + // Closure is expected to be allowed to minify the '.mdibvbi' property, so not accessing it quoted. + return !!(ctx.mdibvbi = ctx.getExtension('WEBGL_multi_draw_instanced_base_vertex_base_instance')); + } + + function __webgl_enable_WEBGL_multi_draw(ctx) { + // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted. + return !!(ctx.multiDrawWebgl = ctx.getExtension('WEBGL_multi_draw')); + } + var GL = {counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],samplers:[],transformFeedbacks:[],syncs:[],stringCache:{},stringiCache:{},unpackAlignment:4,recordError:function recordError(errorCode) { + if (!GL.lastError) { + GL.lastError = errorCode; + } + },getNewId:function(table) { + var ret = GL.counter++; + for (var i = table.length; i < ret; i++) { + table[i] = null; + } + return ret; + },getSource:function(shader, count, string, length) { + var source = ''; + for (var i = 0; i < count; ++i) { + var len = length ? HEAP32[(((length)+(i*4))>>2)] : -1; + source += UTF8ToString(HEAP32[(((string)+(i*4))>>2)], len < 0 ? undefined : len); + } + return source; + },createContext:function(/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) { + + // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL context on a canvas, + // calling .getContext() will always return that context independent of which 'webgl' or 'webgl2' + // context version was passed. See https://bugs.webkit.org/show_bug.cgi?id=222758 and + // https://github.com/emscripten-core/emscripten/issues/13295. + // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari version field in above check. + if (!canvas.getContextSafariWebGL2Fixed) { + canvas.getContextSafariWebGL2Fixed = canvas.getContext; + /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ + function fixedGetContext(ver, attrs) { + var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs); + return ((ver == 'webgl') == (gl instanceof WebGLRenderingContext)) ? gl : null; + } + canvas.getContext = fixedGetContext; + } + + var ctx = + (webGLContextAttributes.majorVersion > 1) + ? + canvas.getContext("webgl2", webGLContextAttributes) + : + (canvas.getContext("webgl", webGLContextAttributes) + // https://caniuse.com/#feat=webgl + ); + + if (!ctx) return 0; + + var handle = GL.registerContext(ctx, webGLContextAttributes); + + return handle; + },registerContext:function(ctx, webGLContextAttributes) { + // without pthreads a context is just an integer ID + var handle = GL.getNewId(GL.contexts); + + var context = { + handle: handle, + attributes: webGLContextAttributes, + version: webGLContextAttributes.majorVersion, + GLctx: ctx + }; + + // Store the created context object so that we can access the context given a canvas without having to pass the parameters again. + if (ctx.canvas) ctx.canvas.GLctxObject = context; + GL.contexts[handle] = context; + if (typeof webGLContextAttributes.enableExtensionsByDefault == 'undefined' || webGLContextAttributes.enableExtensionsByDefault) { + GL.initExtensions(context); + } + + return handle; + },makeContextCurrent:function(contextHandle) { + + GL.currentContext = GL.contexts[contextHandle]; // Active Emscripten GL layer context object. + Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx; // Active WebGL context object. + return !(contextHandle && !GLctx); + },getContext:function(contextHandle) { + return GL.contexts[contextHandle]; + },deleteContext:function(contextHandle) { + if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null; + if (typeof JSEvents == 'object') JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas); // Release all JS event handlers on the DOM element that the GL context is associated with since the context is now deleted. + if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined; // Make sure the canvas object no longer refers to the context object so there are no GC surprises. + GL.contexts[contextHandle] = null; + },initExtensions:function(context) { + // If this function is called without a specific context object, init the extensions of the currently active context. + if (!context) context = GL.currentContext; + + if (context.initExtensionsDone) return; + context.initExtensionsDone = true; + + var GLctx = context.GLctx; + + // Detect the presence of a few extensions manually, this GL interop layer itself will need to know if they exist. + + // Extensions that are only available in WebGL 1 (the calls will be no-ops if called on a WebGL 2 context active) + __webgl_enable_ANGLE_instanced_arrays(GLctx); + __webgl_enable_OES_vertex_array_object(GLctx); + __webgl_enable_WEBGL_draw_buffers(GLctx); + // Extensions that are available from WebGL >= 2 (no-op if called on a WebGL 1 context active) + __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx); + __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx); + + // On WebGL 2, EXT_disjoint_timer_query is replaced with an alternative + // that's based on core APIs, and exposes only the queryCounterEXT() + // entrypoint. + if (context.version >= 2) { + GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2"); + } + + // However, Firefox exposes the WebGL 1 version on WebGL 2 as well and + // thus we look for the WebGL 1 version again if the WebGL 2 version + // isn't present. https://bugzilla.mozilla.org/show_bug.cgi?id=1328882 + if (context.version < 2 || !GLctx.disjointTimerQueryExt) + { + GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query"); + } + + __webgl_enable_WEBGL_multi_draw(GLctx); + + // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + var exts = GLctx.getSupportedExtensions() || []; + exts.forEach(function(ext) { + // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders are not enabled by default. + if (!ext.includes('lose_context') && !ext.includes('debug')) { + // Call .getExtension() to enable that extension permanently. + GLctx.getExtension(ext); + } + }); + }}; + function _emscripten_glActiveTexture(x0) { GLctx['activeTexture'](x0) } + + function _emscripten_glAttachShader(program, shader) { + GLctx.attachShader(GL.programs[program], GL.shaders[shader]); + } + + function _emscripten_glBindAttribLocation(program, index, name) { + GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name)); + } + + function _emscripten_glBindBuffer(target, buffer) { + + if (target == 0x88EB /*GL_PIXEL_PACK_BUFFER*/) { + // In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2 API function call when a buffer is bound to + // GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that binding point is non-null to know what is + // the proper API function to call. + GLctx.currentPixelPackBufferBinding = buffer; + } else if (target == 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/) { + // In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to + // use a different WebGL 2 API function call when a buffer is bound to + // GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that + // binding point is non-null to know what is the proper API function to + // call. + GLctx.currentPixelUnpackBufferBinding = buffer; + } + GLctx.bindBuffer(target, GL.buffers[buffer]); + } + + function _emscripten_glBindFramebuffer(target, framebuffer) { + + GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]); + + } + + function _emscripten_glBindRenderbuffer(target, renderbuffer) { + GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]); + } + + function _emscripten_glBindSampler(unit, sampler) { + GLctx['bindSampler'](unit, GL.samplers[sampler]); + } + + function _emscripten_glBindTexture(target, texture) { + GLctx.bindTexture(target, GL.textures[texture]); + } + + function _emscripten_glBindVertexArray(vao) { + GLctx['bindVertexArray'](GL.vaos[vao]); + } + + function _emscripten_glBindVertexArrayOES(vao) { + GLctx['bindVertexArray'](GL.vaos[vao]); + } + + function _emscripten_glBlendColor(x0, x1, x2, x3) { GLctx['blendColor'](x0, x1, x2, x3) } + + function _emscripten_glBlendEquation(x0) { GLctx['blendEquation'](x0) } + + function _emscripten_glBlendFunc(x0, x1) { GLctx['blendFunc'](x0, x1) } + + function _emscripten_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) { GLctx['blitFramebuffer'](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) } + + function _emscripten_glBufferData(target, size, data, usage) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + // If size is zero, WebGL would interpret uploading the whole input arraybuffer (starting from given offset), which would + // not make sense in WebAssembly, so avoid uploading if size is zero. However we must still call bufferData to establish a + // backing storage of zero bytes. + if (data && size) { + GLctx.bufferData(target, HEAPU8, usage, data, size); + } else { + GLctx.bufferData(target, size, usage); + } + } else { + // N.b. here first form specifies a heap subarray, second form an integer size, so the ?: code here is polymorphic. It is advised to avoid + // randomly mixing both uses in calling code, to avoid any potential JS engine JIT issues. + GLctx.bufferData(target, data ? HEAPU8.subarray(data, data+size) : size, usage); + } + } + + function _emscripten_glBufferSubData(target, offset, size, data) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + size && GLctx.bufferSubData(target, offset, HEAPU8, data, size); + return; + } + GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size)); + } + + function _emscripten_glCheckFramebufferStatus(x0) { return GLctx['checkFramebufferStatus'](x0) } + + function _emscripten_glClear(x0) { GLctx['clear'](x0) } + + function _emscripten_glClearColor(x0, x1, x2, x3) { GLctx['clearColor'](x0, x1, x2, x3) } + + function _emscripten_glClearStencil(x0) { GLctx['clearStencil'](x0) } + + function convertI32PairToI53(lo, hi) { + // This function should not be getting called with too large unsigned numbers + // in high part (if hi >= 0x7FFFFFFFF, one should have been calling + // convertU32PairToI53()) + assert(hi === (hi|0)); + return (lo >>> 0) + hi * 4294967296; + } + function _emscripten_glClientWaitSync(sync, flags, timeoutLo, timeoutHi) { + // WebGL2 vs GLES3 differences: in GLES3, the timeout parameter is a uint64, where 0xFFFFFFFFFFFFFFFFULL means GL_TIMEOUT_IGNORED. + // In JS, there's no 64-bit value types, so instead timeout is taken to be signed, and GL_TIMEOUT_IGNORED is given value -1. + // Inherently the value accepted in the timeout is lossy, and can't take in arbitrary u64 bit pattern (but most likely doesn't matter) + // See https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15 + return GLctx.clientWaitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi)); + } + + function _emscripten_glColorMask(red, green, blue, alpha) { + GLctx.colorMask(!!red, !!green, !!blue, !!alpha); + } + + function _emscripten_glCompileShader(shader) { + GLctx.compileShader(GL.shaders[shader]); + } + + function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding || !imageSize) { + GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, imageSize, data); + } else { + GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, HEAPU8, data, imageSize); + } + return; + } + GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data), (data+imageSize)) : null); + } + + function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding || !imageSize) { + GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, imageSize, data); + } else { + GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, HEAPU8, data, imageSize); + } + return; + } + GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data), (data+imageSize)) : null); + } + + function _emscripten_glCopyBufferSubData(x0, x1, x2, x3, x4) { GLctx['copyBufferSubData'](x0, x1, x2, x3, x4) } + + function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexSubImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) } + + function _emscripten_glCreateProgram() { + var id = GL.getNewId(GL.programs); + var program = GLctx.createProgram(); + // Store additional information needed for each shader program: + program.name = id; + // Lazy cache results of glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH) + program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0; + program.uniformIdCounter = 1; + GL.programs[id] = program; + return id; + } + + function _emscripten_glCreateShader(shaderType) { + var id = GL.getNewId(GL.shaders); + GL.shaders[id] = GLctx.createShader(shaderType); + + return id; + } + + function _emscripten_glCullFace(x0) { GLctx['cullFace'](x0) } + + function _emscripten_glDeleteBuffers(n, buffers) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((buffers)+(i*4))>>2)]; + var buffer = GL.buffers[id]; + + // From spec: "glDeleteBuffers silently ignores 0's and names that do not + // correspond to existing buffer objects." + if (!buffer) continue; + + GLctx.deleteBuffer(buffer); + buffer.name = 0; + GL.buffers[id] = null; + + if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0; + if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0; + } + } + + function _emscripten_glDeleteFramebuffers(n, framebuffers) { + for (var i = 0; i < n; ++i) { + var id = HEAP32[(((framebuffers)+(i*4))>>2)]; + var framebuffer = GL.framebuffers[id]; + if (!framebuffer) continue; // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects". + GLctx.deleteFramebuffer(framebuffer); + framebuffer.name = 0; + GL.framebuffers[id] = null; + } + } + + function _emscripten_glDeleteProgram(id) { + if (!id) return; + var program = GL.programs[id]; + if (!program) { // glDeleteProgram actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + GLctx.deleteProgram(program); + program.name = 0; + GL.programs[id] = null; + } + + function _emscripten_glDeleteRenderbuffers(n, renderbuffers) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((renderbuffers)+(i*4))>>2)]; + var renderbuffer = GL.renderbuffers[id]; + if (!renderbuffer) continue; // GL spec: "glDeleteRenderbuffers silently ignores 0s and names that do not correspond to existing renderbuffer objects". + GLctx.deleteRenderbuffer(renderbuffer); + renderbuffer.name = 0; + GL.renderbuffers[id] = null; + } + } + + function _emscripten_glDeleteSamplers(n, samplers) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((samplers)+(i*4))>>2)]; + var sampler = GL.samplers[id]; + if (!sampler) continue; + GLctx['deleteSampler'](sampler); + sampler.name = 0; + GL.samplers[id] = null; + } + } + + function _emscripten_glDeleteShader(id) { + if (!id) return; + var shader = GL.shaders[id]; + if (!shader) { // glDeleteShader actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + GLctx.deleteShader(shader); + GL.shaders[id] = null; + } + + function _emscripten_glDeleteSync(id) { + if (!id) return; + var sync = GL.syncs[id]; + if (!sync) { // glDeleteSync signals an error when deleting a nonexisting object, unlike some other GL delete functions. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + GLctx.deleteSync(sync); + sync.name = 0; + GL.syncs[id] = null; + } + + function _emscripten_glDeleteTextures(n, textures) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((textures)+(i*4))>>2)]; + var texture = GL.textures[id]; + if (!texture) continue; // GL spec: "glDeleteTextures silently ignores 0s and names that do not correspond to existing textures". + GLctx.deleteTexture(texture); + texture.name = 0; + GL.textures[id] = null; + } + } + + function _emscripten_glDeleteVertexArrays(n, vaos) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((vaos)+(i*4))>>2)]; + GLctx['deleteVertexArray'](GL.vaos[id]); + GL.vaos[id] = null; + } + } + + function _emscripten_glDeleteVertexArraysOES(n, vaos) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((vaos)+(i*4))>>2)]; + GLctx['deleteVertexArray'](GL.vaos[id]); + GL.vaos[id] = null; + } + } + + function _emscripten_glDepthMask(flag) { + GLctx.depthMask(!!flag); + } + + function _emscripten_glDisable(x0) { GLctx['disable'](x0) } + + function _emscripten_glDisableVertexAttribArray(index) { + GLctx.disableVertexAttribArray(index); + } + + function _emscripten_glDrawArrays(mode, first, count) { + + GLctx.drawArrays(mode, first, count); + + } + + function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) { + GLctx['drawArraysInstanced'](mode, first, count, primcount); + } + + function _emscripten_glDrawArraysInstancedBaseInstanceWEBGL(mode, first, count, instanceCount, baseInstance) { + GLctx.dibvbi['drawArraysInstancedBaseInstanceWEBGL'](mode, first, count, instanceCount, baseInstance); + } + + var tempFixedLengthArray = []; + function _emscripten_glDrawBuffers(n, bufs) { + + var bufArray = tempFixedLengthArray[n]; + for (var i = 0; i < n; i++) { + bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)]; + } + + GLctx['drawBuffers'](bufArray); + } + + function _emscripten_glDrawElements(mode, count, type, indices) { + + GLctx.drawElements(mode, count, type, indices); + + } + + function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) { + GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); + } + + function _emscripten_glDrawElementsInstancedBaseVertexBaseInstanceWEBGL(mode, count, type, offset, instanceCount, baseVertex, baseinstance) { + GLctx.dibvbi['drawElementsInstancedBaseVertexBaseInstanceWEBGL'](mode, count, type, offset, instanceCount, baseVertex, baseinstance); + } + + function _glDrawElements(mode, count, type, indices) { + + GLctx.drawElements(mode, count, type, indices); + + } + function _emscripten_glDrawRangeElements(mode, start, end, count, type, indices) { + // TODO: This should be a trivial pass-though function registered at the bottom of this page as + // glFuncs[6][1] += ' drawRangeElements'; + // but due to https://bugzilla.mozilla.org/show_bug.cgi?id=1202427, + // we work around by ignoring the range. + _glDrawElements(mode, count, type, indices); + } + + function _emscripten_glEnable(x0) { GLctx['enable'](x0) } + + function _emscripten_glEnableVertexAttribArray(index) { + GLctx.enableVertexAttribArray(index); + } + + function _emscripten_glFenceSync(condition, flags) { + var sync = GLctx.fenceSync(condition, flags); + if (sync) { + var id = GL.getNewId(GL.syncs); + sync.name = id; + GL.syncs[id] = sync; + return id; + } else { + return 0; // Failed to create a sync object + } + } + + function _emscripten_glFinish() { GLctx['finish']() } + + function _emscripten_glFlush() { GLctx['flush']() } + + function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) { + GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, + GL.renderbuffers[renderbuffer]); + } + + function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) { + GLctx.framebufferTexture2D(target, attachment, textarget, + GL.textures[texture], level); + } + + function _emscripten_glFrontFace(x0) { GLctx['frontFace'](x0) } + + function __glGenObject(n, buffers, createFunction, objectTable + ) { + for (var i = 0; i < n; i++) { + var buffer = GLctx[createFunction](); + var id = buffer && GL.getNewId(objectTable); + if (buffer) { + buffer.name = id; + objectTable[id] = buffer; + } else { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); + } + HEAP32[(((buffers)+(i*4))>>2)] = id; + } + } + function _emscripten_glGenBuffers(n, buffers) { + __glGenObject(n, buffers, 'createBuffer', GL.buffers + ); + } + + function _emscripten_glGenFramebuffers(n, ids) { + __glGenObject(n, ids, 'createFramebuffer', GL.framebuffers + ); + } + + function _emscripten_glGenRenderbuffers(n, renderbuffers) { + __glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers + ); + } + + function _emscripten_glGenSamplers(n, samplers) { + __glGenObject(n, samplers, 'createSampler', GL.samplers + ); + } + + function _emscripten_glGenTextures(n, textures) { + __glGenObject(n, textures, 'createTexture', GL.textures + ); + } + + function _emscripten_glGenVertexArrays(n, arrays) { + __glGenObject(n, arrays, 'createVertexArray', GL.vaos + ); + } + + function _emscripten_glGenVertexArraysOES(n, arrays) { + __glGenObject(n, arrays, 'createVertexArray', GL.vaos + ); + } + + function _emscripten_glGenerateMipmap(x0) { GLctx['generateMipmap'](x0) } + + function _emscripten_glGetBufferParameteriv(target, value, data) { + if (!data) { + // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense + // if data == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((data)>>2)] = GLctx.getBufferParameter(target, value); + } + + function _emscripten_glGetError() { + var error = GLctx.getError() || GL.lastError; + GL.lastError = 0/*GL_NO_ERROR*/; + return error; + } + + function readI53FromI64(ptr) { + return HEAPU32[ptr>>2] + HEAP32[ptr+4>>2] * 4294967296; + } + + function readI53FromU64(ptr) { + return HEAPU32[ptr>>2] + HEAPU32[ptr+4>>2] * 4294967296; + } + function writeI53ToI64(ptr, num) { + HEAPU32[ptr>>2] = num; + HEAPU32[ptr+4>>2] = (num - HEAPU32[ptr>>2])/4294967296; + var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr); + if (deserialized != num) warnOnce('writeI53ToI64() out of range: serialized JS Number ' + num + ' to Wasm heap as bytes lo=0x' + HEAPU32[ptr>>2].toString(16) + ', hi=0x' + HEAPU32[ptr+4>>2].toString(16) + ', which deserializes back to ' + deserialized + ' instead!'); + } + function emscriptenWebGLGet(name_, p, type) { + // Guard against user passing a null pointer. + // Note that GLES2 spec does not say anything about how passing a null pointer should be treated. + // Testing on desktop core GL 3, the application crashes on glGetIntegerv to a null pointer, but + // better to report an error instead of doing anything random. + if (!p) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var ret = undefined; + switch (name_) { // Handle a few trivial GLES values + case 0x8DFA: // GL_SHADER_COMPILER + ret = 1; + break; + case 0x8DF8: // GL_SHADER_BINARY_FORMATS + if (type != 0 && type != 1) { + GL.recordError(0x500); // GL_INVALID_ENUM + } + return; // Do not write anything to the out pointer, since no binary formats are supported. + case 0x87FE: // GL_NUM_PROGRAM_BINARY_FORMATS + case 0x8DF9: // GL_NUM_SHADER_BINARY_FORMATS + ret = 0; + break; + case 0x86A2: // GL_NUM_COMPRESSED_TEXTURE_FORMATS + // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be queried for length), + // so implement it ourselves to allow C++ GLES2 code get the length. + var formats = GLctx.getParameter(0x86A3 /*GL_COMPRESSED_TEXTURE_FORMATS*/); + ret = formats ? formats.length : 0; + break; + + case 0x821D: // GL_NUM_EXTENSIONS + if (GL.currentContext.version < 2) { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context + return; + } + // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + var exts = GLctx.getSupportedExtensions() || []; + ret = 2 * exts.length; // each extension is duplicated, first in unprefixed WebGL form, and then a second time with "GL_" prefix. + break; + case 0x821B: // GL_MAJOR_VERSION + case 0x821C: // GL_MINOR_VERSION + if (GL.currentContext.version < 2) { + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + ret = name_ == 0x821B ? 3 : 0; // return version 3.0 + break; + } + + if (ret === undefined) { + var result = GLctx.getParameter(name_); + switch (typeof result) { + case "number": + ret = result; + break; + case "boolean": + ret = result ? 1 : 0; + break; + case "string": + GL.recordError(0x500); // GL_INVALID_ENUM + return; + case "object": + if (result === null) { + // null is a valid result for some (e.g., which buffer is bound - perhaps nothing is bound), but otherwise + // can mean an invalid name_, which we need to report as an error + switch (name_) { + case 0x8894: // ARRAY_BUFFER_BINDING + case 0x8B8D: // CURRENT_PROGRAM + case 0x8895: // ELEMENT_ARRAY_BUFFER_BINDING + case 0x8CA6: // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING + case 0x8CA7: // RENDERBUFFER_BINDING + case 0x8069: // TEXTURE_BINDING_2D + case 0x85B5: // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES + case 0x8F36: // COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER + case 0x8F37: // COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER + case 0x88ED: // PIXEL_PACK_BUFFER_BINDING + case 0x88EF: // PIXEL_UNPACK_BUFFER_BINDING + case 0x8CAA: // READ_FRAMEBUFFER_BINDING + case 0x8919: // SAMPLER_BINDING + case 0x8C1D: // TEXTURE_BINDING_2D_ARRAY + case 0x806A: // TEXTURE_BINDING_3D + case 0x8E25: // TRANSFORM_FEEDBACK_BINDING + case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING + case 0x8A28: // UNIFORM_BUFFER_BINDING + case 0x8514: { // TEXTURE_BINDING_CUBE_MAP + ret = 0; + break; + } + default: { + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + } + } else if (result instanceof Float32Array || + result instanceof Uint32Array || + result instanceof Int32Array || + result instanceof Array) { + for (var i = 0; i < result.length; ++i) { + switch (type) { + case 0: HEAP32[(((p)+(i*4))>>2)] = result[i]; break; + case 2: HEAPF32[(((p)+(i*4))>>2)] = result[i]; break; + case 4: HEAP8[(((p)+(i))>>0)] = result[i] ? 1 : 0; break; + } + } + return; + } else { + try { + ret = result.name | 0; + } catch(e) { + GL.recordError(0x500); // GL_INVALID_ENUM + err('GL_INVALID_ENUM in glGet' + type + 'v: Unknown object returned from WebGL getParameter(' + name_ + ')! (error: ' + e + ')'); + return; + } + } + break; + default: + GL.recordError(0x500); // GL_INVALID_ENUM + err('GL_INVALID_ENUM in glGet' + type + 'v: Native code calling glGet' + type + 'v(' + name_ + ') and it returns ' + result + ' of type ' + typeof(result) + '!'); + return; + } + } + + switch (type) { + case 1: writeI53ToI64(p, ret); break; + case 0: HEAP32[((p)>>2)] = ret; break; + case 2: HEAPF32[((p)>>2)] = ret; break; + case 4: HEAP8[((p)>>0)] = ret ? 1 : 0; break; + } + } + function _emscripten_glGetFloatv(name_, p) { + emscriptenWebGLGet(name_, p, 2); + } + + function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) { + var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname); + if (result instanceof WebGLRenderbuffer || + result instanceof WebGLTexture) { + result = result.name | 0; + } + HEAP32[((params)>>2)] = result; + } + + function _emscripten_glGetIntegerv(name_, p) { + emscriptenWebGLGet(name_, p, 0); + } + + function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) { + var log = GLctx.getProgramInfoLog(GL.programs[program]); + if (log === null) log = '(unknown error)'; + var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; + if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; + } + + function _emscripten_glGetProgramiv(program, pname, p) { + if (!p) { + // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + + if (program >= GL.counter) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + + program = GL.programs[program]; + + if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH + var log = GLctx.getProgramInfoLog(program); + if (log === null) log = '(unknown error)'; + HEAP32[((p)>>2)] = log.length + 1; + } else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) { + if (!program.maxUniformLength) { + for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) { + program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length+1); + } + } + HEAP32[((p)>>2)] = program.maxUniformLength; + } else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) { + if (!program.maxAttributeLength) { + for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/); ++i) { + program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length+1); + } + } + HEAP32[((p)>>2)] = program.maxAttributeLength; + } else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) { + if (!program.maxUniformBlockNameLength) { + for (var i = 0; i < GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/); ++i) { + program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length+1); + } + } + HEAP32[((p)>>2)] = program.maxUniformBlockNameLength; + } else { + HEAP32[((p)>>2)] = GLctx.getProgramParameter(program, pname); + } + } + + function _emscripten_glGetRenderbufferParameteriv(target, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if params == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((params)>>2)] = GLctx.getRenderbufferParameter(target, pname); + } + + function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) { + var log = GLctx.getShaderInfoLog(GL.shaders[shader]); + if (log === null) log = '(unknown error)'; + var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; + if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; + } + + function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) { + var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType); + HEAP32[((range)>>2)] = result.rangeMin; + HEAP32[(((range)+(4))>>2)] = result.rangeMax; + HEAP32[((precision)>>2)] = result.precision; + } + + function _emscripten_glGetShaderiv(shader, pname, p) { + if (!p) { + // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH + var log = GLctx.getShaderInfoLog(GL.shaders[shader]); + if (log === null) log = '(unknown error)'; + // The GLES2 specification says that if the shader has an empty info log, + // a value of 0 is returned. Otherwise the log has a null char appended. + // (An empty string is falsey, so we can just check that instead of + // looking at log.length.) + var logLength = log ? log.length + 1 : 0; + HEAP32[((p)>>2)] = logLength; + } else if (pname == 0x8B88) { // GL_SHADER_SOURCE_LENGTH + var source = GLctx.getShaderSource(GL.shaders[shader]); + // source may be a null, or the empty string, both of which are falsey + // values that we report a 0 length for. + var sourceLength = source ? source.length + 1 : 0; + HEAP32[((p)>>2)] = sourceLength; + } else { + HEAP32[((p)>>2)] = GLctx.getShaderParameter(GL.shaders[shader], pname); + } + } + + function stringToNewUTF8(jsString) { + var length = lengthBytesUTF8(jsString)+1; + var cString = _malloc(length); + stringToUTF8(jsString, cString, length); + return cString; + } + function _emscripten_glGetString(name_) { + var ret = GL.stringCache[name_]; + if (!ret) { + switch (name_) { + case 0x1F03 /* GL_EXTENSIONS */: + var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + exts = exts.concat(exts.map(function(e) { return "GL_" + e; })); + ret = stringToNewUTF8(exts.join(' ')); + break; + case 0x1F00 /* GL_VENDOR */: + case 0x1F01 /* GL_RENDERER */: + case 0x9245 /* UNMASKED_VENDOR_WEBGL */: + case 0x9246 /* UNMASKED_RENDERER_WEBGL */: + var s = GLctx.getParameter(name_); + if (!s) { + GL.recordError(0x500/*GL_INVALID_ENUM*/); + } + ret = s && stringToNewUTF8(s); + break; + + case 0x1F02 /* GL_VERSION */: + var glVersion = GLctx.getParameter(0x1F02 /*GL_VERSION*/); + // return GLES version string corresponding to the version of the WebGL context + if (GL.currentContext.version >= 2) glVersion = 'OpenGL ES 3.0 (' + glVersion + ')'; + else + { + glVersion = 'OpenGL ES 2.0 (' + glVersion + ')'; + } + ret = stringToNewUTF8(glVersion); + break; + case 0x8B8C /* GL_SHADING_LANGUAGE_VERSION */: + var glslVersion = GLctx.getParameter(0x8B8C /*GL_SHADING_LANGUAGE_VERSION*/); + // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...' + var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/; + var ver_num = glslVersion.match(ver_re); + if (ver_num !== null) { + if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + '0'; // ensure minor version has 2 digits + glslVersion = 'OpenGL ES GLSL ES ' + ver_num[1] + ' (' + glslVersion + ')'; + } + ret = stringToNewUTF8(glslVersion); + break; + default: + GL.recordError(0x500/*GL_INVALID_ENUM*/); + // fall through + } + GL.stringCache[name_] = ret; + } + return ret; + } + + function _emscripten_glGetStringi(name, index) { + if (GL.currentContext.version < 2) { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context + return 0; + } + var stringiCache = GL.stringiCache[name]; + if (stringiCache) { + if (index < 0 || index >= stringiCache.length) { + GL.recordError(0x501/*GL_INVALID_VALUE*/); + return 0; + } + return stringiCache[index]; + } + switch (name) { + case 0x1F03 /* GL_EXTENSIONS */: + var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + exts = exts.concat(exts.map(function(e) { return "GL_" + e; })); + exts = exts.map(function(e) { return stringToNewUTF8(e); }); + + stringiCache = GL.stringiCache[name] = exts; + if (index < 0 || index >= stringiCache.length) { + GL.recordError(0x501/*GL_INVALID_VALUE*/); + return 0; + } + return stringiCache[index]; + default: + GL.recordError(0x500/*GL_INVALID_ENUM*/); + return 0; + } + } + + /** @suppress {checkTypes} */ + function jstoi_q(str) { + return parseInt(str); + } + + /** @noinline */ + function webglGetLeftBracePos(name) { + return name.slice(-1) == ']' && name.lastIndexOf('['); + } + function webglPrepareUniformLocationsBeforeFirstUse(program) { + var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation + uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint] + i, j; + + // On the first time invocation of glGetUniformLocation on this shader program: + // initialize cache data structures and discover which uniforms are arrays. + if (!uniformLocsById) { + // maps GLint integer locations to WebGLUniformLocations + program.uniformLocsById = uniformLocsById = {}; + // maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations + program.uniformArrayNamesById = {}; + + for (i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) { + var u = GLctx.getActiveUniform(program, i); + var nm = u.name; + var sz = u.size; + var lb = webglGetLeftBracePos(nm); + var arrayName = lb > 0 ? nm.slice(0, lb) : nm; + + // Assign a new location. + var id = program.uniformIdCounter; + program.uniformIdCounter += sz; + // Eagerly get the location of the uniformArray[0] base element. + // The remaining indices >0 will be left for lazy evaluation to + // improve performance. Those may never be needed to fetch, if the + // application fills arrays always in full starting from the first + // element of the array. + uniformSizeAndIdsByName[arrayName] = [sz, id]; + + // Store placeholder integers in place that highlight that these + // >0 index locations are array indices pending population. + for(j = 0; j < sz; ++j) { + uniformLocsById[id] = j; + program.uniformArrayNamesById[id++] = arrayName; + } + } + } + } + function _emscripten_glGetUniformLocation(program, name) { + + name = UTF8ToString(name); + + if (program = GL.programs[program]) { + webglPrepareUniformLocationsBeforeFirstUse(program); + var uniformLocsById = program.uniformLocsById; // Maps GLuint -> WebGLUniformLocation + var arrayIndex = 0; + var uniformBaseName = name; + + // Invariant: when populating integer IDs for uniform locations, we must maintain the precondition that + // arrays reside in contiguous addresses, i.e. for a 'vec4 colors[10];', colors[4] must be at location colors[0]+4. + // However, user might call glGetUniformLocation(program, "colors") for an array, so we cannot discover based on the user + // input arguments whether the uniform we are dealing with is an array. The only way to discover which uniforms are arrays + // is to enumerate over all the active uniforms in the program. + var leftBrace = webglGetLeftBracePos(name); + + // If user passed an array accessor "[index]", parse the array index off the accessor. + if (leftBrace > 0) { + arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0; // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds. + uniformBaseName = name.slice(0, leftBrace); + } + + // Have we cached the location of this uniform before? + var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName]; // A pair [array length, GLint of the uniform location] + + // If an uniform with this name exists, and if its index is within the array limits (if it's even an array), + // query the WebGLlocation, or return an existing cached location. + if (sizeAndId && arrayIndex < sizeAndId[0]) { + arrayIndex += sizeAndId[1]; // Add the base location of the uniform to the array index offset. + if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) { + return arrayIndex; + } + } + } + else { + // N.b. we are currently unable to distinguish between GL program IDs that never existed vs GL program IDs that have been deleted, + // so report GL_INVALID_VALUE in both cases. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + } + return -1; + } + + function _emscripten_glInvalidateFramebuffer(target, numAttachments, attachments) { + var list = tempFixedLengthArray[numAttachments]; + for (var i = 0; i < numAttachments; i++) { + list[i] = HEAP32[(((attachments)+(i*4))>>2)]; + } + + GLctx['invalidateFramebuffer'](target, list); + } + + function _emscripten_glInvalidateSubFramebuffer(target, numAttachments, attachments, x, y, width, height) { + var list = tempFixedLengthArray[numAttachments]; + for (var i = 0; i < numAttachments; i++) { + list[i] = HEAP32[(((attachments)+(i*4))>>2)]; + } + + GLctx['invalidateSubFramebuffer'](target, list, x, y, width, height); + } + + function _emscripten_glIsSync(sync) { + return GLctx.isSync(GL.syncs[sync]); + } + + function _emscripten_glIsTexture(id) { + var texture = GL.textures[id]; + if (!texture) return 0; + return GLctx.isTexture(texture); + } + + function _emscripten_glLineWidth(x0) { GLctx['lineWidth'](x0) } + + function _emscripten_glLinkProgram(program) { + program = GL.programs[program]; + GLctx.linkProgram(program); + // Invalidate earlier computed uniform->ID mappings, those have now become stale + program.uniformLocsById = 0; // Mark as null-like so that glGetUniformLocation() knows to populate this again. + program.uniformSizeAndIdsByName = {}; + + } + + function _emscripten_glMultiDrawArraysInstancedBaseInstanceWEBGL(mode, firsts, counts, instanceCounts, baseInstances, drawCount) { + GLctx.mdibvbi['multiDrawArraysInstancedBaseInstanceWEBGL']( + mode, + HEAP32, + firsts >> 2, + HEAP32, + counts >> 2, + HEAP32, + instanceCounts >> 2, + HEAPU32, + baseInstances >> 2, + drawCount); + } + + function _emscripten_glMultiDrawElementsInstancedBaseVertexBaseInstanceWEBGL(mode, counts, type, offsets, instanceCounts, baseVertices, baseInstances, drawCount) { + GLctx.mdibvbi['multiDrawElementsInstancedBaseVertexBaseInstanceWEBGL']( + mode, + HEAP32, + counts >> 2, + type, + HEAP32, + offsets >> 2, + HEAP32, + instanceCounts >> 2, + HEAP32, + baseVertices >> 2, + HEAPU32, + baseInstances >> 2, + drawCount); + } + + function _emscripten_glPixelStorei(pname, param) { + if (pname == 0xCF5 /* GL_UNPACK_ALIGNMENT */) { + GL.unpackAlignment = param; + } + GLctx.pixelStorei(pname, param); + } + + function _emscripten_glReadBuffer(x0) { GLctx['readBuffer'](x0) } + + function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) { + function roundedToNextMultipleOf(x, y) { + return (x + y - 1) & -y; + } + var plainRowSize = width * sizePerPixel; + var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment); + return height * alignedRowSize; + } + + function __colorChannelsInGlTextureFormat(format) { + // Micro-optimizations for size: map format to size by subtracting smallest enum value (0x1902) from all values first. + // Also omit the most common size value (1) from the list, which is assumed by formats not on the list. + var colorChannels = { + // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1, + // 0x1906 /* GL_ALPHA */ - 0x1902: 1, + 5: 3, + 6: 4, + // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1, + 8: 2, + 29502: 3, + 29504: 4, + // 0x1903 /* GL_RED */ - 0x1902: 1, + 26917: 2, + 26918: 2, + // 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1, + 29846: 3, + 29847: 4 + }; + return colorChannels[format - 0x1902]||1; + } + + function heapObjectForWebGLType(type) { + // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare + // smaller values for the heap, for shorter generated code size. + // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16. + // (since most types are HEAPU16) + type -= 0x1400; + if (type == 0) return HEAP8; + + if (type == 1) return HEAPU8; + + if (type == 2) return HEAP16; + + if (type == 4) return HEAP32; + + if (type == 6) return HEAPF32; + + if (type == 5 + || type == 28922 + || type == 28520 + || type == 30779 + || type == 30782 + ) + return HEAPU32; + + return HEAPU16; + } + + function heapAccessShiftForWebGLHeap(heap) { + return 31 - Math.clz32(heap.BYTES_PER_ELEMENT); + } + function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) { + var heap = heapObjectForWebGLType(type); + var shift = heapAccessShiftForWebGLHeap(heap); + var byteSize = 1<> shift, pixels + bytes >> shift); + } + function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelPackBufferBinding) { + GLctx.readPixels(x, y, width, height, format, type, pixels); + } else { + var heap = heapObjectForWebGLType(type); + GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } + return; + } + var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format); + if (!pixelData) { + GL.recordError(0x500/*GL_INVALID_ENUM*/); + return; + } + GLctx.readPixels(x, y, width, height, format, type, pixelData); + } + + function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) { GLctx['renderbufferStorage'](x0, x1, x2, x3) } + + function _emscripten_glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) { GLctx['renderbufferStorageMultisample'](x0, x1, x2, x3, x4) } + + function _emscripten_glSamplerParameterf(sampler, pname, param) { + GLctx['samplerParameterf'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glSamplerParameteri(sampler, pname, param) { + GLctx['samplerParameteri'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glSamplerParameteriv(sampler, pname, params) { + var param = HEAP32[((params)>>2)]; + GLctx['samplerParameteri'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glScissor(x0, x1, x2, x3) { GLctx['scissor'](x0, x1, x2, x3) } + + function _emscripten_glShaderSource(shader, count, string, length) { + var source = GL.getSource(shader, count, string, length); + + GLctx.shaderSource(GL.shaders[shader], source); + } + + function _emscripten_glStencilFunc(x0, x1, x2) { GLctx['stencilFunc'](x0, x1, x2) } + + function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) { GLctx['stencilFuncSeparate'](x0, x1, x2, x3) } + + function _emscripten_glStencilMask(x0) { GLctx['stencilMask'](x0) } + + function _emscripten_glStencilMaskSeparate(x0, x1) { GLctx['stencilMaskSeparate'](x0, x1) } + + function _emscripten_glStencilOp(x0, x1, x2) { GLctx['stencilOp'](x0, x1, x2) } + + function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) { GLctx['stencilOpSeparate'](x0, x1, x2, x3) } + + function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) { + if (GL.currentContext.version >= 2) { + // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels); + } else if (pixels) { + var heap = heapObjectForWebGLType(type); + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } else { + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null); + } + return; + } + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null); + } + + function _emscripten_glTexParameterf(x0, x1, x2) { GLctx['texParameterf'](x0, x1, x2) } + + function _emscripten_glTexParameterfv(target, pname, params) { + var param = HEAPF32[((params)>>2)]; + GLctx.texParameterf(target, pname, param); + } + + function _emscripten_glTexParameteri(x0, x1, x2) { GLctx['texParameteri'](x0, x1, x2) } + + function _emscripten_glTexParameteriv(target, pname, params) { + var param = HEAP32[((params)>>2)]; + GLctx.texParameteri(target, pname, param); + } + + function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) { GLctx['texStorage2D'](x0, x1, x2, x3, x4) } + + function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) { + if (GL.currentContext.version >= 2) { + // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels); + } else if (pixels) { + var heap = heapObjectForWebGLType(type); + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } else { + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null); + } + return; + } + var pixelData = null; + if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0); + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData); + } + + function webglGetUniformLocation(location) { + var p = GLctx.currentProgram; + + if (p) { + var webglLoc = p.uniformLocsById[location]; + // p.uniformLocsById[location] stores either an integer, or a WebGLUniformLocation. + + // If an integer, we have not yet bound the location, so do it now. The integer value specifies the array index + // we should bind to. + if (typeof webglLoc == 'number') { + p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? '[' + webglLoc + ']' : '')); + } + // Else an already cached WebGLUniformLocation, return it. + return webglLoc; + } else { + GL.recordError(0x502/*GL_INVALID_OPERATION*/); + } + } + function _emscripten_glUniform1f(location, v0) { + GLctx.uniform1f(webglGetUniformLocation(location), v0); + } + + var miniTempWebGLFloatBuffers = []; + function _emscripten_glUniform1fv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, value>>2, count); + return; + } + + if (count <= 288) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[count-1]; + for (var i = 0; i < count; ++i) { + view[i] = HEAPF32[(((value)+(4*i))>>2)]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*4)>>2); + } + GLctx.uniform1fv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform1i(location, v0) { + GLctx.uniform1i(webglGetUniformLocation(location), v0); + } + + var __miniTempWebGLIntBuffers = []; + function _emscripten_glUniform1iv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform1iv(webglGetUniformLocation(location), HEAP32, value>>2, count); + return; + } + + if (count <= 288) { + // avoid allocation when uploading few enough uniforms + var view = __miniTempWebGLIntBuffers[count-1]; + for (var i = 0; i < count; ++i) { + view[i] = HEAP32[(((value)+(4*i))>>2)]; + } + } else + { + var view = HEAP32.subarray((value)>>2, (value+count*4)>>2); + } + GLctx.uniform1iv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform2f(location, v0, v1) { + GLctx.uniform2f(webglGetUniformLocation(location), v0, v1); + } + + function _emscripten_glUniform2fv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*2); + return; + } + + if (count <= 144) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[2*count-1]; + for (var i = 0; i < 2*count; i += 2) { + view[i] = HEAPF32[(((value)+(4*i))>>2)]; + view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*8)>>2); + } + GLctx.uniform2fv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform2i(location, v0, v1) { + GLctx.uniform2i(webglGetUniformLocation(location), v0, v1); + } + + function _emscripten_glUniform2iv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform2iv(webglGetUniformLocation(location), HEAP32, value>>2, count*2); + return; + } + + if (count <= 144) { + // avoid allocation when uploading few enough uniforms + var view = __miniTempWebGLIntBuffers[2*count-1]; + for (var i = 0; i < 2*count; i += 2) { + view[i] = HEAP32[(((value)+(4*i))>>2)]; + view[i+1] = HEAP32[(((value)+(4*i+4))>>2)]; + } + } else + { + var view = HEAP32.subarray((value)>>2, (value+count*8)>>2); + } + GLctx.uniform2iv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform3f(location, v0, v1, v2) { + GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2); + } + + function _emscripten_glUniform3fv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform3fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*3); + return; + } + + if (count <= 96) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[3*count-1]; + for (var i = 0; i < 3*count; i += 3) { + view[i] = HEAPF32[(((value)+(4*i))>>2)]; + view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; + view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*12)>>2); + } + GLctx.uniform3fv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform3i(location, v0, v1, v2) { + GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2); + } + + function _emscripten_glUniform3iv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform3iv(webglGetUniformLocation(location), HEAP32, value>>2, count*3); + return; + } + + if (count <= 96) { + // avoid allocation when uploading few enough uniforms + var view = __miniTempWebGLIntBuffers[3*count-1]; + for (var i = 0; i < 3*count; i += 3) { + view[i] = HEAP32[(((value)+(4*i))>>2)]; + view[i+1] = HEAP32[(((value)+(4*i+4))>>2)]; + view[i+2] = HEAP32[(((value)+(4*i+8))>>2)]; + } + } else + { + var view = HEAP32.subarray((value)>>2, (value+count*12)>>2); + } + GLctx.uniform3iv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform4f(location, v0, v1, v2, v3) { + GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3); + } + + function _emscripten_glUniform4fv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*4); + return; + } + + if (count <= 72) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[4*count-1]; + // hoist the heap out of the loop for size and for pthreads+growth. + var heap = HEAPF32; + value >>= 2; + for (var i = 0; i < 4 * count; i += 4) { + var dst = value + i; + view[i] = heap[dst]; + view[i + 1] = heap[dst + 1]; + view[i + 2] = heap[dst + 2]; + view[i + 3] = heap[dst + 3]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*16)>>2); + } + GLctx.uniform4fv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniform4i(location, v0, v1, v2, v3) { + GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3); + } + + function _emscripten_glUniform4iv(location, count, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, value>>2, count*4); + return; + } + + if (count <= 72) { + // avoid allocation when uploading few enough uniforms + var view = __miniTempWebGLIntBuffers[4*count-1]; + for (var i = 0; i < 4*count; i += 4) { + view[i] = HEAP32[(((value)+(4*i))>>2)]; + view[i+1] = HEAP32[(((value)+(4*i+4))>>2)]; + view[i+2] = HEAP32[(((value)+(4*i+8))>>2)]; + view[i+3] = HEAP32[(((value)+(4*i+12))>>2)]; + } + } else + { + var view = HEAP32.subarray((value)>>2, (value+count*16)>>2); + } + GLctx.uniform4iv(webglGetUniformLocation(location), view); + } + + function _emscripten_glUniformMatrix2fv(location, count, transpose, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*4); + return; + } + + if (count <= 72) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[4*count-1]; + for (var i = 0; i < 4*count; i += 4) { + view[i] = HEAPF32[(((value)+(4*i))>>2)]; + view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; + view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)]; + view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*16)>>2); + } + GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view); + } + + function _emscripten_glUniformMatrix3fv(location, count, transpose, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*9); + return; + } + + if (count <= 32) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[9*count-1]; + for (var i = 0; i < 9*count; i += 9) { + view[i] = HEAPF32[(((value)+(4*i))>>2)]; + view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; + view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)]; + view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)]; + view[i+4] = HEAPF32[(((value)+(4*i+16))>>2)]; + view[i+5] = HEAPF32[(((value)+(4*i+20))>>2)]; + view[i+6] = HEAPF32[(((value)+(4*i+24))>>2)]; + view[i+7] = HEAPF32[(((value)+(4*i+28))>>2)]; + view[i+8] = HEAPF32[(((value)+(4*i+32))>>2)]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*36)>>2); + } + GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view); + } + + function _emscripten_glUniformMatrix4fv(location, count, transpose, value) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*16); + return; + } + + if (count <= 18) { + // avoid allocation when uploading few enough uniforms + var view = miniTempWebGLFloatBuffers[16*count-1]; + // hoist the heap out of the loop for size and for pthreads+growth. + var heap = HEAPF32; + value >>= 2; + for (var i = 0; i < 16 * count; i += 16) { + var dst = value + i; + view[i] = heap[dst]; + view[i + 1] = heap[dst + 1]; + view[i + 2] = heap[dst + 2]; + view[i + 3] = heap[dst + 3]; + view[i + 4] = heap[dst + 4]; + view[i + 5] = heap[dst + 5]; + view[i + 6] = heap[dst + 6]; + view[i + 7] = heap[dst + 7]; + view[i + 8] = heap[dst + 8]; + view[i + 9] = heap[dst + 9]; + view[i + 10] = heap[dst + 10]; + view[i + 11] = heap[dst + 11]; + view[i + 12] = heap[dst + 12]; + view[i + 13] = heap[dst + 13]; + view[i + 14] = heap[dst + 14]; + view[i + 15] = heap[dst + 15]; + } + } else + { + var view = HEAPF32.subarray((value)>>2, (value+count*64)>>2); + } + GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view); + } + + function _emscripten_glUseProgram(program) { + program = GL.programs[program]; + GLctx.useProgram(program); + // Record the currently active program so that we can access the uniform + // mapping table of that program. + GLctx.currentProgram = program; + } + + function _emscripten_glVertexAttrib1f(x0, x1) { GLctx['vertexAttrib1f'](x0, x1) } + + function _emscripten_glVertexAttrib2fv(index, v) { + + GLctx.vertexAttrib2f(index, HEAPF32[v>>2], HEAPF32[v+4>>2]); + } + + function _emscripten_glVertexAttrib3fv(index, v) { + + GLctx.vertexAttrib3f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2]); + } + + function _emscripten_glVertexAttrib4fv(index, v) { + + GLctx.vertexAttrib4f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2], HEAPF32[v+12>>2]); + } + + function _emscripten_glVertexAttribDivisor(index, divisor) { + GLctx['vertexAttribDivisor'](index, divisor); + } + + function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) { + GLctx['vertexAttribIPointer'](index, size, type, stride, ptr); + } + + function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) { + GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr); + } + + function _emscripten_glViewport(x0, x1, x2, x3) { GLctx['viewport'](x0, x1, x2, x3) } + + function _emscripten_glWaitSync(sync, flags, timeoutLo, timeoutHi) { + // See WebGL2 vs GLES3 difference on GL_TIMEOUT_IGNORED above (https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15) + GLctx.waitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi)); + } + + function _emscripten_memcpy_big(dest, src, num) { + HEAPU8.copyWithin(dest, src, src + num); + } + + function getHeapMax() { + // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate + // full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side + // for any code that deals with heap sizes, which would require special + // casing all heap size related code to treat 0 specially. + return 2147483648; + } + + function emscripten_realloc_buffer(size) { + try { + // round size grow request up to wasm page size (fixed 64KB per spec) + wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size + updateGlobalBufferAndViews(wasmMemory.buffer); + return 1 /*success*/; + } catch(e) { + err('emscripten_realloc_buffer: Attempted to grow heap from ' + buffer.byteLength + ' bytes to ' + size + ' bytes, but got error: ' + e); + } + // implicit 0 return to save code size (caller will cast "undefined" into 0 + // anyhow) + } + function _emscripten_resize_heap(requestedSize) { + var oldSize = HEAPU8.length; + requestedSize = requestedSize >>> 0; + // With multithreaded builds, races can happen (another thread might increase the size + // in between), so return a failure, and let the caller retry. + assert(requestedSize > oldSize); + + // Memory resize rules: + // 1. Always increase heap size to at least the requested size, rounded up + // to next page multiple. + // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap + // geometrically: increase the heap size according to + // MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most + // overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB). + // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap + // linearly: increase the heap size by at least + // MEMORY_GROWTH_LINEAR_STEP bytes. + // 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by + // MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest + // 4. If we were unable to allocate as much memory, it may be due to + // over-eager decision to excessively reserve due to (3) above. + // Hence if an allocation fails, cut down on the amount of excess + // growth, in an attempt to succeed to perform a smaller allocation. + + // A limit is set for how much we can grow. We should not exceed that + // (the wasm binary specifies it, so if we tried, we'd fail anyhow). + var maxHeapSize = getHeapMax(); + if (requestedSize > maxHeapSize) { + err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!'); + return false; + } + + let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple; + + // Loop through potential heap size increases. If we attempt a too eager + // reservation that fails, cut down on the attempted size and reserve a + // smaller bump instead. (max 3 times, chosen somewhat arbitrarily) + for (var cutDown = 1; cutDown <= 4; cutDown *= 2) { + var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth + // but limit overreserving (default to capping at +96MB overgrowth at most) + overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 ); + + var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536)); + + var replacement = emscripten_realloc_buffer(newSize); + if (replacement) { + + return true; + } + } + err('Failed to grow the heap from ' + oldSize + ' bytes to ' + newSize + ' bytes, not enough memory!'); + return false; + } + + var ENV = {}; + + function getExecutableName() { + return thisProgram || './this.program'; + } + function getEnvStrings() { + if (!getEnvStrings.strings) { + // Default values. + // Browser language detection #8751 + var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8'; + var env = { + 'USER': 'web_user', + 'LOGNAME': 'web_user', + 'PATH': '/', + 'PWD': '/', + 'HOME': '/home/web_user', + 'LANG': lang, + '_': getExecutableName() + }; + // Apply the user-provided values, if any. + for (var x in ENV) { + // x is a key in ENV; if ENV[x] is undefined, that means it was + // explicitly set to be so. We allow user code to do that to + // force variables with default values to remain unset. + if (ENV[x] === undefined) delete env[x]; + else env[x] = ENV[x]; + } + var strings = []; + for (var x in env) { + strings.push(x + '=' + env[x]); + } + getEnvStrings.strings = strings; + } + return getEnvStrings.strings; + } + function _environ_get(__environ, environ_buf) { + var bufSize = 0; + getEnvStrings().forEach(function(string, i) { + var ptr = environ_buf + bufSize; + HEAPU32[(((__environ)+(i*4))>>2)] = ptr; + writeAsciiToMemory(string, ptr); + bufSize += string.length + 1; + }); + return 0; + } + + function _environ_sizes_get(penviron_count, penviron_buf_size) { + var strings = getEnvStrings(); + HEAPU32[((penviron_count)>>2)] = strings.length; + var bufSize = 0; + strings.forEach(function(string) { + bufSize += string.length + 1; + }); + HEAPU32[((penviron_buf_size)>>2)] = bufSize; + return 0; + } + + function _exit(status) { + // void _exit(int status); + // http://pubs.opengroup.org/onlinepubs/000095399/functions/exit.html + exit(status); + } + + function _fd_close(fd) { + abort('fd_close called without SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function convertI32PairToI53Checked(lo, hi) { + assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32 + assert(hi === (hi|0)); // hi should be a i32 + return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN; + } + function _fd_pread(fd, iov, iovcnt, offset_low, offset_high, pnum) { + abort('fd_pread called without SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function _fd_read(fd, iov, iovcnt, pnum) { + abort('fd_read called without SYSCALLS_REQUIRE_FILESYSTEM'); + } + + function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { + return 70; + } + + var printCharBuffers = [null,[],[]]; + function printChar(stream, curr) { + var buffer = printCharBuffers[stream]; + assert(buffer); + if (curr === 0 || curr === 10) { + (stream === 1 ? out : err)(UTF8ArrayToString(buffer, 0)); + buffer.length = 0; + } else { + buffer.push(curr); + } + } + function flush_NO_FILESYSTEM() { + // flush anything remaining in the buffers during shutdown + _fflush(0); + if (printCharBuffers[1].length) printChar(1, 10); + if (printCharBuffers[2].length) printChar(2, 10); + } + function _fd_write(fd, iov, iovcnt, pnum) { + // hack to support printf in SYSCALLS_REQUIRE_FILESYSTEM=0 + var num = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAPU32[((iov)>>2)]; + var len = HEAPU32[(((iov)+(4))>>2)]; + iov += 8; + for (var j = 0; j < len; j++) { + printChar(fd, HEAPU8[ptr+j]); + } + num += len; + } + HEAPU32[((pnum)>>2)] = num; + return 0; + } + + function _getTempRet0() { + return getTempRet0(); + } + + function _setTempRet0(val) { + setTempRet0(val); + } + + function __isLeapYear(year) { + return year%4 === 0 && (year%100 !== 0 || year%400 === 0); + } + + function __arraySum(array, index) { + var sum = 0; + for (var i = 0; i <= index; sum += array[i++]) { + // no-op + } + return sum; + } + + var __MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31]; + + var __MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31]; + function __addDays(date, days) { + var newDate = new Date(date.getTime()); + while (days > 0) { + var leap = __isLeapYear(newDate.getFullYear()); + var currentMonth = newDate.getMonth(); + var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth]; + + if (days > daysInCurrentMonth-newDate.getDate()) { + // we spill over to next month + days -= (daysInCurrentMonth-newDate.getDate()+1); + newDate.setDate(1); + if (currentMonth < 11) { + newDate.setMonth(currentMonth+1) + } else { + newDate.setMonth(0); + newDate.setFullYear(newDate.getFullYear()+1); + } + } else { + // we stay in current month + newDate.setDate(newDate.getDate()+days); + return newDate; + } + } + + return newDate; + } + function _strftime(s, maxsize, format, tm) { + // size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr); + // http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html + + var tm_zone = HEAP32[(((tm)+(40))>>2)]; + + var date = { + tm_sec: HEAP32[((tm)>>2)], + tm_min: HEAP32[(((tm)+(4))>>2)], + tm_hour: HEAP32[(((tm)+(8))>>2)], + tm_mday: HEAP32[(((tm)+(12))>>2)], + tm_mon: HEAP32[(((tm)+(16))>>2)], + tm_year: HEAP32[(((tm)+(20))>>2)], + tm_wday: HEAP32[(((tm)+(24))>>2)], + tm_yday: HEAP32[(((tm)+(28))>>2)], + tm_isdst: HEAP32[(((tm)+(32))>>2)], + tm_gmtoff: HEAP32[(((tm)+(36))>>2)], + tm_zone: tm_zone ? UTF8ToString(tm_zone) : '' + }; + + var pattern = UTF8ToString(format); + + // expand format + var EXPANSION_RULES_1 = { + '%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013 + '%D': '%m/%d/%y', // Equivalent to %m / %d / %y + '%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d + '%h': '%b', // Equivalent to %b + '%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation + '%R': '%H:%M', // Replaced by the time in 24-hour notation + '%T': '%H:%M:%S', // Replaced by the time + '%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation + '%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation + // Modified Conversion Specifiers + '%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation. + '%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation. + '%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation. + '%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation. + '%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation. + '%EY': '%Y', // Replaced by the full alternative year representation. + '%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading characters. + '%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading characters. + '%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols. + '%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols. + '%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols. + '%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols. + '%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols. + '%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1). + '%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols. + '%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols. + '%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols. + '%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols. + '%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols. + }; + for (var rule in EXPANSION_RULES_1) { + pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]); + } + + var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']; + var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']; + + function leadingSomething(value, digits, character) { + var str = typeof value == 'number' ? value.toString() : (value || ''); + while (str.length < digits) { + str = character[0]+str; + } + return str; + } + + function leadingNulls(value, digits) { + return leadingSomething(value, digits, '0'); + } + + function compareByDay(date1, date2) { + function sgn(value) { + return value < 0 ? -1 : (value > 0 ? 1 : 0); + } + + var compare; + if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) { + if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) { + compare = sgn(date1.getDate()-date2.getDate()); + } + } + return compare; + } + + function getFirstWeekStartDate(janFourth) { + switch (janFourth.getDay()) { + case 0: // Sunday + return new Date(janFourth.getFullYear()-1, 11, 29); + case 1: // Monday + return janFourth; + case 2: // Tuesday + return new Date(janFourth.getFullYear(), 0, 3); + case 3: // Wednesday + return new Date(janFourth.getFullYear(), 0, 2); + case 4: // Thursday + return new Date(janFourth.getFullYear(), 0, 1); + case 5: // Friday + return new Date(janFourth.getFullYear()-1, 11, 31); + case 6: // Saturday + return new Date(janFourth.getFullYear()-1, 11, 30); + } + } + + function getWeekBasedYear(date) { + var thisDate = __addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday); + + var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4); + var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4); + + var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear); + var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear); + + if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) { + // this date is after the start of the first week of this year + if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) { + return thisDate.getFullYear()+1; + } else { + return thisDate.getFullYear(); + } + } else { + return thisDate.getFullYear()-1; + } + } + + var EXPANSION_RULES_2 = { + '%a': function(date) { + return WEEKDAYS[date.tm_wday].substring(0,3); + }, + '%A': function(date) { + return WEEKDAYS[date.tm_wday]; + }, + '%b': function(date) { + return MONTHS[date.tm_mon].substring(0,3); + }, + '%B': function(date) { + return MONTHS[date.tm_mon]; + }, + '%C': function(date) { + var year = date.tm_year+1900; + return leadingNulls((year/100)|0,2); + }, + '%d': function(date) { + return leadingNulls(date.tm_mday, 2); + }, + '%e': function(date) { + return leadingSomething(date.tm_mday, 2, ' '); + }, + '%g': function(date) { + // %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year. + // In this system, weeks begin on a Monday and week 1 of the year is the week that includes + // January 4th, which is also the week that includes the first Thursday of the year, and + // is also the first week that contains at least four days in the year. + // If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of + // the last week of the preceding year; thus, for Saturday 2nd January 1999, + // %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th, + // or 31st is a Monday, it and any following days are part of week 1 of the following year. + // Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01. + + return getWeekBasedYear(date).toString().substring(2); + }, + '%G': function(date) { + return getWeekBasedYear(date); + }, + '%H': function(date) { + return leadingNulls(date.tm_hour, 2); + }, + '%I': function(date) { + var twelveHour = date.tm_hour; + if (twelveHour == 0) twelveHour = 12; + else if (twelveHour > 12) twelveHour -= 12; + return leadingNulls(twelveHour, 2); + }, + '%j': function(date) { + // Day of the year (001-366) + return leadingNulls(date.tm_mday+__arraySum(__isLeapYear(date.tm_year+1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon-1), 3); + }, + '%m': function(date) { + return leadingNulls(date.tm_mon+1, 2); + }, + '%M': function(date) { + return leadingNulls(date.tm_min, 2); + }, + '%n': function() { + return '\n'; + }, + '%p': function(date) { + if (date.tm_hour >= 0 && date.tm_hour < 12) { + return 'AM'; + } else { + return 'PM'; + } + }, + '%S': function(date) { + return leadingNulls(date.tm_sec, 2); + }, + '%t': function() { + return '\t'; + }, + '%u': function(date) { + return date.tm_wday || 7; + }, + '%U': function(date) { + var days = date.tm_yday + 7 - date.tm_wday; + return leadingNulls(Math.floor(days / 7), 2); + }, + '%V': function(date) { + // Replaced by the week number of the year (Monday as the first day of the week) + // as a decimal number [01,53]. If the week containing 1 January has four + // or more days in the new year, then it is considered week 1. + // Otherwise, it is the last week of the previous year, and the next week is week 1. + // Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday] + var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7); + // If 1 Jan is just 1-3 days past Monday, the previous week + // is also in this year. + if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) { + val++; + } + if (!val) { + val = 52; + // If 31 December of prev year a Thursday, or Friday of a + // leap year, then the prev year has 53 weeks. + var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7; + if (dec31 == 4 || (dec31 == 5 && __isLeapYear(date.tm_year%400-1))) { + val++; + } + } else if (val == 53) { + // If 1 January is not a Thursday, and not a Wednesday of a + // leap year, then this year has only 52 weeks. + var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7; + if (jan1 != 4 && (jan1 != 3 || !__isLeapYear(date.tm_year))) + val = 1; + } + return leadingNulls(val, 2); + }, + '%w': function(date) { + return date.tm_wday; + }, + '%W': function(date) { + var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7); + return leadingNulls(Math.floor(days / 7), 2); + }, + '%y': function(date) { + // Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year] + return (date.tm_year+1900).toString().substring(2); + }, + '%Y': function(date) { + // Replaced by the year as a decimal number (for example, 1997). [ tm_year] + return date.tm_year+1900; + }, + '%z': function(date) { + // Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ). + // For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich). + var off = date.tm_gmtoff; + var ahead = off >= 0; + off = Math.abs(off) / 60; + // convert from minutes into hhmm format (which means 60 minutes = 100 units) + off = (off / 60)*100 + (off % 60); + return (ahead ? '+' : '-') + String("0000" + off).slice(-4); + }, + '%Z': function(date) { + return date.tm_zone; + }, + '%%': function() { + return '%'; + } + }; + + // Replace %% with a pair of NULLs (which cannot occur in a C string), then + // re-inject them after processing. + pattern = pattern.replace(/%%/g, '\0\0') + for (var rule in EXPANSION_RULES_2) { + if (pattern.includes(rule)) { + pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date)); + } + } + pattern = pattern.replace(/\0\0/g, '%') + + var bytes = intArrayFromString(pattern, false); + if (bytes.length > maxsize) { + return 0; + } + + writeArrayToMemory(bytes, s); + return bytes.length-1; + } + function _strftime_l(s, maxsize, format, tm) { + return _strftime(s, maxsize, format, tm); // no locale support yet + } +embind_init_charCodes(); +BindingError = Module['BindingError'] = extendError(Error, 'BindingError');; +InternalError = Module['InternalError'] = extendError(Error, 'InternalError');; +init_emval();; +UnboundTypeError = Module['UnboundTypeError'] = extendError(Error, 'UnboundTypeError');; +var GLctx;; +for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));; +var miniTempWebGLFloatBuffersStorage = new Float32Array(288); + for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) { + miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i+1); + } + ; +var __miniTempWebGLIntBuffersStorage = new Int32Array(288); + for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) { + __miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i+1); + } + ; +var ASSERTIONS = true; + + + +/** @type {function(string, boolean=, number=)} */ +function intArrayFromString(stringy, dontAddNull, length) { + var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; + var u8array = new Array(len); + var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); + if (dontAddNull) u8array.length = numBytesWritten; + return u8array; +} + +function intArrayToString(array) { + var ret = []; + for (var i = 0; i < array.length; i++) { + var chr = array[i]; + if (chr > 0xFF) { + if (ASSERTIONS) { + assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); + } + chr &= 0xFF; + } + ret.push(String.fromCharCode(chr)); + } + return ret.join(''); +} + + +function checkIncomingModuleAPI() { + ignoredModuleProp('fetchSettings'); +} +var asmLibraryArg = { + "__syscall_fcntl64": ___syscall_fcntl64, + "__syscall_fstat64": ___syscall_fstat64, + "__syscall_ioctl": ___syscall_ioctl, + "__syscall_lstat64": ___syscall_lstat64, + "__syscall_newfstatat": ___syscall_newfstatat, + "__syscall_openat": ___syscall_openat, + "__syscall_stat64": ___syscall_stat64, + "_embind_register_bigint": __embind_register_bigint, + "_embind_register_bool": __embind_register_bool, + "_embind_register_constant": __embind_register_constant, + "_embind_register_emval": __embind_register_emval, + "_embind_register_float": __embind_register_float, + "_embind_register_function": __embind_register_function, + "_embind_register_integer": __embind_register_integer, + "_embind_register_memory_view": __embind_register_memory_view, + "_embind_register_std_string": __embind_register_std_string, + "_embind_register_std_wstring": __embind_register_std_wstring, + "_embind_register_void": __embind_register_void, + "_emscripten_date_now": __emscripten_date_now, + "_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic, + "_emscripten_throw_longjmp": __emscripten_throw_longjmp, + "_mmap_js": __mmap_js, + "_munmap_js": __munmap_js, + "abort": _abort, + "emscripten_get_now": _emscripten_get_now, + "emscripten_glActiveTexture": _emscripten_glActiveTexture, + "emscripten_glAttachShader": _emscripten_glAttachShader, + "emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation, + "emscripten_glBindBuffer": _emscripten_glBindBuffer, + "emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer, + "emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer, + "emscripten_glBindSampler": _emscripten_glBindSampler, + "emscripten_glBindTexture": _emscripten_glBindTexture, + "emscripten_glBindVertexArray": _emscripten_glBindVertexArray, + "emscripten_glBindVertexArrayOES": _emscripten_glBindVertexArrayOES, + "emscripten_glBlendColor": _emscripten_glBlendColor, + "emscripten_glBlendEquation": _emscripten_glBlendEquation, + "emscripten_glBlendFunc": _emscripten_glBlendFunc, + "emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer, + "emscripten_glBufferData": _emscripten_glBufferData, + "emscripten_glBufferSubData": _emscripten_glBufferSubData, + "emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus, + "emscripten_glClear": _emscripten_glClear, + "emscripten_glClearColor": _emscripten_glClearColor, + "emscripten_glClearStencil": _emscripten_glClearStencil, + "emscripten_glClientWaitSync": _emscripten_glClientWaitSync, + "emscripten_glColorMask": _emscripten_glColorMask, + "emscripten_glCompileShader": _emscripten_glCompileShader, + "emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D, + "emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D, + "emscripten_glCopyBufferSubData": _emscripten_glCopyBufferSubData, + "emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D, + "emscripten_glCreateProgram": _emscripten_glCreateProgram, + "emscripten_glCreateShader": _emscripten_glCreateShader, + "emscripten_glCullFace": _emscripten_glCullFace, + "emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers, + "emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers, + "emscripten_glDeleteProgram": _emscripten_glDeleteProgram, + "emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers, + "emscripten_glDeleteSamplers": _emscripten_glDeleteSamplers, + "emscripten_glDeleteShader": _emscripten_glDeleteShader, + "emscripten_glDeleteSync": _emscripten_glDeleteSync, + "emscripten_glDeleteTextures": _emscripten_glDeleteTextures, + "emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays, + "emscripten_glDeleteVertexArraysOES": _emscripten_glDeleteVertexArraysOES, + "emscripten_glDepthMask": _emscripten_glDepthMask, + "emscripten_glDisable": _emscripten_glDisable, + "emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray, + "emscripten_glDrawArrays": _emscripten_glDrawArrays, + "emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced, + "emscripten_glDrawArraysInstancedBaseInstanceWEBGL": _emscripten_glDrawArraysInstancedBaseInstanceWEBGL, + "emscripten_glDrawBuffers": _emscripten_glDrawBuffers, + "emscripten_glDrawElements": _emscripten_glDrawElements, + "emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced, + "emscripten_glDrawElementsInstancedBaseVertexBaseInstanceWEBGL": _emscripten_glDrawElementsInstancedBaseVertexBaseInstanceWEBGL, + "emscripten_glDrawRangeElements": _emscripten_glDrawRangeElements, + "emscripten_glEnable": _emscripten_glEnable, + "emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray, + "emscripten_glFenceSync": _emscripten_glFenceSync, + "emscripten_glFinish": _emscripten_glFinish, + "emscripten_glFlush": _emscripten_glFlush, + "emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer, + "emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D, + "emscripten_glFrontFace": _emscripten_glFrontFace, + "emscripten_glGenBuffers": _emscripten_glGenBuffers, + "emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers, + "emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers, + "emscripten_glGenSamplers": _emscripten_glGenSamplers, + "emscripten_glGenTextures": _emscripten_glGenTextures, + "emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays, + "emscripten_glGenVertexArraysOES": _emscripten_glGenVertexArraysOES, + "emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap, + "emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv, + "emscripten_glGetError": _emscripten_glGetError, + "emscripten_glGetFloatv": _emscripten_glGetFloatv, + "emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv, + "emscripten_glGetIntegerv": _emscripten_glGetIntegerv, + "emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog, + "emscripten_glGetProgramiv": _emscripten_glGetProgramiv, + "emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv, + "emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog, + "emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat, + "emscripten_glGetShaderiv": _emscripten_glGetShaderiv, + "emscripten_glGetString": _emscripten_glGetString, + "emscripten_glGetStringi": _emscripten_glGetStringi, + "emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation, + "emscripten_glInvalidateFramebuffer": _emscripten_glInvalidateFramebuffer, + "emscripten_glInvalidateSubFramebuffer": _emscripten_glInvalidateSubFramebuffer, + "emscripten_glIsSync": _emscripten_glIsSync, + "emscripten_glIsTexture": _emscripten_glIsTexture, + "emscripten_glLineWidth": _emscripten_glLineWidth, + "emscripten_glLinkProgram": _emscripten_glLinkProgram, + "emscripten_glMultiDrawArraysInstancedBaseInstanceWEBGL": _emscripten_glMultiDrawArraysInstancedBaseInstanceWEBGL, + "emscripten_glMultiDrawElementsInstancedBaseVertexBaseInstanceWEBGL": _emscripten_glMultiDrawElementsInstancedBaseVertexBaseInstanceWEBGL, + "emscripten_glPixelStorei": _emscripten_glPixelStorei, + "emscripten_glReadBuffer": _emscripten_glReadBuffer, + "emscripten_glReadPixels": _emscripten_glReadPixels, + "emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage, + "emscripten_glRenderbufferStorageMultisample": _emscripten_glRenderbufferStorageMultisample, + "emscripten_glSamplerParameterf": _emscripten_glSamplerParameterf, + "emscripten_glSamplerParameteri": _emscripten_glSamplerParameteri, + "emscripten_glSamplerParameteriv": _emscripten_glSamplerParameteriv, + "emscripten_glScissor": _emscripten_glScissor, + "emscripten_glShaderSource": _emscripten_glShaderSource, + "emscripten_glStencilFunc": _emscripten_glStencilFunc, + "emscripten_glStencilFuncSeparate": _emscripten_glStencilFuncSeparate, + "emscripten_glStencilMask": _emscripten_glStencilMask, + "emscripten_glStencilMaskSeparate": _emscripten_glStencilMaskSeparate, + "emscripten_glStencilOp": _emscripten_glStencilOp, + "emscripten_glStencilOpSeparate": _emscripten_glStencilOpSeparate, + "emscripten_glTexImage2D": _emscripten_glTexImage2D, + "emscripten_glTexParameterf": _emscripten_glTexParameterf, + "emscripten_glTexParameterfv": _emscripten_glTexParameterfv, + "emscripten_glTexParameteri": _emscripten_glTexParameteri, + "emscripten_glTexParameteriv": _emscripten_glTexParameteriv, + "emscripten_glTexStorage2D": _emscripten_glTexStorage2D, + "emscripten_glTexSubImage2D": _emscripten_glTexSubImage2D, + "emscripten_glUniform1f": _emscripten_glUniform1f, + "emscripten_glUniform1fv": _emscripten_glUniform1fv, + "emscripten_glUniform1i": _emscripten_glUniform1i, + "emscripten_glUniform1iv": _emscripten_glUniform1iv, + "emscripten_glUniform2f": _emscripten_glUniform2f, + "emscripten_glUniform2fv": _emscripten_glUniform2fv, + "emscripten_glUniform2i": _emscripten_glUniform2i, + "emscripten_glUniform2iv": _emscripten_glUniform2iv, + "emscripten_glUniform3f": _emscripten_glUniform3f, + "emscripten_glUniform3fv": _emscripten_glUniform3fv, + "emscripten_glUniform3i": _emscripten_glUniform3i, + "emscripten_glUniform3iv": _emscripten_glUniform3iv, + "emscripten_glUniform4f": _emscripten_glUniform4f, + "emscripten_glUniform4fv": _emscripten_glUniform4fv, + "emscripten_glUniform4i": _emscripten_glUniform4i, + "emscripten_glUniform4iv": _emscripten_glUniform4iv, + "emscripten_glUniformMatrix2fv": _emscripten_glUniformMatrix2fv, + "emscripten_glUniformMatrix3fv": _emscripten_glUniformMatrix3fv, + "emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv, + "emscripten_glUseProgram": _emscripten_glUseProgram, + "emscripten_glVertexAttrib1f": _emscripten_glVertexAttrib1f, + "emscripten_glVertexAttrib2fv": _emscripten_glVertexAttrib2fv, + "emscripten_glVertexAttrib3fv": _emscripten_glVertexAttrib3fv, + "emscripten_glVertexAttrib4fv": _emscripten_glVertexAttrib4fv, + "emscripten_glVertexAttribDivisor": _emscripten_glVertexAttribDivisor, + "emscripten_glVertexAttribIPointer": _emscripten_glVertexAttribIPointer, + "emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer, + "emscripten_glViewport": _emscripten_glViewport, + "emscripten_glWaitSync": _emscripten_glWaitSync, + "emscripten_memcpy_big": _emscripten_memcpy_big, + "emscripten_resize_heap": _emscripten_resize_heap, + "environ_get": _environ_get, + "environ_sizes_get": _environ_sizes_get, + "exit": _exit, + "fd_close": _fd_close, + "fd_pread": _fd_pread, + "fd_read": _fd_read, + "fd_seek": _fd_seek, + "fd_write": _fd_write, + "getTempRet0": _getTempRet0, + "invoke_ii": invoke_ii, + "invoke_iii": invoke_iii, + "invoke_iiii": invoke_iiii, + "invoke_iiiii": invoke_iiiii, + "invoke_iiiiii": invoke_iiiiii, + "invoke_iiiiiii": invoke_iiiiiii, + "invoke_iiiiiiiiii": invoke_iiiiiiiiii, + "invoke_v": invoke_v, + "invoke_vi": invoke_vi, + "invoke_vii": invoke_vii, + "invoke_viii": invoke_viii, + "invoke_viiii": invoke_viiii, + "invoke_viiiii": invoke_viiiii, + "invoke_viiiiii": invoke_viiiiii, + "invoke_viiiiiiiii": invoke_viiiiiiiii, + "setTempRet0": _setTempRet0, + "strftime_l": _strftime_l +}; +var asm = createWasm(); +/** @type {function(...*):?} */ +var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); + +/** @type {function(...*):?} */ +var _add = Module["_add"] = createExportWrapper("add"); + +/** @type {function(...*):?} */ +var _free = Module["_free"] = createExportWrapper("free"); + +/** @type {function(...*):?} */ +var _malloc = Module["_malloc"] = createExportWrapper("malloc"); + +/** @type {function(...*):?} */ +var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); + +/** @type {function(...*):?} */ +var _fflush = Module["_fflush"] = createExportWrapper("fflush"); + +/** @type {function(...*):?} */ +var _saveSetjmp = Module["_saveSetjmp"] = createExportWrapper("saveSetjmp"); + +/** @type {function(...*):?} */ +var ___getTypeName = Module["___getTypeName"] = createExportWrapper("__getTypeName"); + +/** @type {function(...*):?} */ +var ___embind_register_native_and_builtin_types = Module["___embind_register_native_and_builtin_types"] = createExportWrapper("__embind_register_native_and_builtin_types"); + +/** @type {function(...*):?} */ +var ___dl_seterr = Module["___dl_seterr"] = createExportWrapper("__dl_seterr"); + +/** @type {function(...*):?} */ +var _setThrew = Module["_setThrew"] = createExportWrapper("setThrew"); + +/** @type {function(...*):?} */ +var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() { + return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() { + return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() { + return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() { + return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments); +}; + +/** @type {function(...*):?} */ +var stackSave = Module["stackSave"] = createExportWrapper("stackSave"); + +/** @type {function(...*):?} */ +var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore"); + +/** @type {function(...*):?} */ +var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc"); + +/** @type {function(...*):?} */ +var dynCall_iiij = Module["dynCall_iiij"] = createExportWrapper("dynCall_iiij"); + +/** @type {function(...*):?} */ +var dynCall_iiiij = Module["dynCall_iiiij"] = createExportWrapper("dynCall_iiiij"); + +/** @type {function(...*):?} */ +var dynCall_viij = Module["dynCall_viij"] = createExportWrapper("dynCall_viij"); + +/** @type {function(...*):?} */ +var dynCall_viiij = Module["dynCall_viiij"] = createExportWrapper("dynCall_viiij"); + +/** @type {function(...*):?} */ +var dynCall_viji = Module["dynCall_viji"] = createExportWrapper("dynCall_viji"); + +/** @type {function(...*):?} */ +var dynCall_vijiii = Module["dynCall_vijiii"] = createExportWrapper("dynCall_vijiii"); + +/** @type {function(...*):?} */ +var dynCall_jiiiiii = Module["dynCall_jiiiiii"] = createExportWrapper("dynCall_jiiiiii"); + +/** @type {function(...*):?} */ +var dynCall_jiiiiji = Module["dynCall_jiiiiji"] = createExportWrapper("dynCall_jiiiiji"); + +/** @type {function(...*):?} */ +var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji"); + +/** @type {function(...*):?} */ +var dynCall_iijj = Module["dynCall_iijj"] = createExportWrapper("dynCall_iijj"); + +/** @type {function(...*):?} */ +var dynCall_viiiiij = Module["dynCall_viiiiij"] = createExportWrapper("dynCall_viiiiij"); + +/** @type {function(...*):?} */ +var dynCall_vij = Module["dynCall_vij"] = createExportWrapper("dynCall_vij"); + +/** @type {function(...*):?} */ +var dynCall_jii = Module["dynCall_jii"] = createExportWrapper("dynCall_jii"); + +/** @type {function(...*):?} */ +var dynCall_iij = Module["dynCall_iij"] = createExportWrapper("dynCall_iij"); + +/** @type {function(...*):?} */ +var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); + +/** @type {function(...*):?} */ +var dynCall_viijii = Module["dynCall_viijii"] = createExportWrapper("dynCall_viijii"); + +/** @type {function(...*):?} */ +var dynCall_iiiiij = Module["dynCall_iiiiij"] = createExportWrapper("dynCall_iiiiij"); + +/** @type {function(...*):?} */ +var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = createExportWrapper("dynCall_iiiiijj"); + +/** @type {function(...*):?} */ +var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = createExportWrapper("dynCall_iiiiiijj"); + + +function invoke_vii(index,a1,a2) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_ii(index,a1) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiii(index,a1,a2,a3,a4) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iii(index,a1,a2) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_vi(index,a1) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiii(index,a1,a2,a3) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiii(index,a1,a2,a3,a4,a5) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiii(index,a1,a2,a3,a4) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viii(index,a1,a2,a3) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiii(index,a1,a2,a3,a4,a5) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiii(index,a1,a2,a3,a4,a5,a6) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_iiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) { + var sp = stackSave(); + try { + return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_v(index) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + +function invoke_viiiiii(index,a1,a2,a3,a4,a5,a6) { + var sp = stackSave(); + try { + getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6); + } catch(e) { + stackRestore(sp); + if (e !== e+0) throw e; + _setThrew(1, 0); + } +} + + + + +// === Auto-generated postamble setup entry stuff === + +unexportedRuntimeFunction('ccall', false); +unexportedRuntimeFunction('cwrap', false); +unexportedRuntimeFunction('allocate', false); +unexportedRuntimeFunction('UTF8ArrayToString', false); +unexportedRuntimeFunction('UTF8ToString', false); +unexportedRuntimeFunction('stringToUTF8Array', false); +unexportedRuntimeFunction('stringToUTF8', false); +unexportedRuntimeFunction('lengthBytesUTF8', false); +unexportedRuntimeFunction('addOnPreRun', false); +unexportedRuntimeFunction('addOnInit', false); +unexportedRuntimeFunction('addOnPreMain', false); +unexportedRuntimeFunction('addOnExit', false); +unexportedRuntimeFunction('addOnPostRun', false); +unexportedRuntimeFunction('addRunDependency', true); +unexportedRuntimeFunction('removeRunDependency', true); +unexportedRuntimeFunction('FS_createFolder', false); +unexportedRuntimeFunction('FS_createPath', true); +unexportedRuntimeFunction('FS_createDataFile', true); +unexportedRuntimeFunction('FS_createPreloadedFile', true); +unexportedRuntimeFunction('FS_createLazyFile', true); +unexportedRuntimeFunction('FS_createLink', false); +unexportedRuntimeFunction('FS_createDevice', true); +unexportedRuntimeFunction('FS_unlink', true); +unexportedRuntimeFunction('getLEB', false); +unexportedRuntimeFunction('getFunctionTables', false); +unexportedRuntimeFunction('alignFunctionTables', false); +unexportedRuntimeFunction('registerFunctions', false); +unexportedRuntimeFunction('addFunction', false); +unexportedRuntimeFunction('removeFunction', false); +unexportedRuntimeFunction('prettyPrint', false); +unexportedRuntimeFunction('getCompilerSetting', false); +unexportedRuntimeFunction('print', false); +unexportedRuntimeFunction('printErr', false); +unexportedRuntimeFunction('getTempRet0', false); +unexportedRuntimeFunction('setTempRet0', false); +unexportedRuntimeFunction('callMain', false); +unexportedRuntimeFunction('abort', false); +unexportedRuntimeFunction('keepRuntimeAlive', false); +unexportedRuntimeFunction('wasmMemory', false); +unexportedRuntimeFunction('warnOnce', false); +unexportedRuntimeFunction('stackSave', false); +unexportedRuntimeFunction('stackRestore', false); +unexportedRuntimeFunction('stackAlloc', false); +unexportedRuntimeFunction('AsciiToString', false); +unexportedRuntimeFunction('stringToAscii', false); +unexportedRuntimeFunction('UTF16ToString', false); +unexportedRuntimeFunction('stringToUTF16', false); +unexportedRuntimeFunction('lengthBytesUTF16', false); +unexportedRuntimeFunction('UTF32ToString', false); +unexportedRuntimeFunction('stringToUTF32', false); +unexportedRuntimeFunction('lengthBytesUTF32', false); +unexportedRuntimeFunction('allocateUTF8', false); +unexportedRuntimeFunction('allocateUTF8OnStack', false); +unexportedRuntimeFunction('ExitStatus', false); +unexportedRuntimeFunction('intArrayFromString', false); +unexportedRuntimeFunction('intArrayToString', false); +unexportedRuntimeFunction('writeStringToMemory', false); +unexportedRuntimeFunction('writeArrayToMemory', false); +unexportedRuntimeFunction('writeAsciiToMemory', false); +Module["writeStackCookie"] = writeStackCookie; +Module["checkStackCookie"] = checkStackCookie; +unexportedRuntimeFunction('ptrToString', false); +unexportedRuntimeFunction('zeroMemory', false); +unexportedRuntimeFunction('stringToNewUTF8', false); +unexportedRuntimeFunction('getHeapMax', false); +unexportedRuntimeFunction('emscripten_realloc_buffer', false); +unexportedRuntimeFunction('ENV', false); +unexportedRuntimeFunction('ERRNO_CODES', false); +unexportedRuntimeFunction('ERRNO_MESSAGES', false); +unexportedRuntimeFunction('setErrNo', false); +unexportedRuntimeFunction('inetPton4', false); +unexportedRuntimeFunction('inetNtop4', false); +unexportedRuntimeFunction('inetPton6', false); +unexportedRuntimeFunction('inetNtop6', false); +unexportedRuntimeFunction('readSockaddr', false); +unexportedRuntimeFunction('writeSockaddr', false); +unexportedRuntimeFunction('DNS', false); +unexportedRuntimeFunction('getHostByName', false); +unexportedRuntimeFunction('Protocols', false); +unexportedRuntimeFunction('Sockets', false); +unexportedRuntimeFunction('getRandomDevice', false); +unexportedRuntimeFunction('traverseStack', false); +unexportedRuntimeFunction('UNWIND_CACHE', false); +unexportedRuntimeFunction('convertPCtoSourceLocation', false); +unexportedRuntimeFunction('readAsmConstArgsArray', false); +unexportedRuntimeFunction('readAsmConstArgs', false); +unexportedRuntimeFunction('mainThreadEM_ASM', false); +unexportedRuntimeFunction('jstoi_q', false); +unexportedRuntimeFunction('jstoi_s', false); +unexportedRuntimeFunction('getExecutableName', false); +unexportedRuntimeFunction('listenOnce', false); +unexportedRuntimeFunction('autoResumeAudioContext', false); +unexportedRuntimeFunction('dynCallLegacy', false); +unexportedRuntimeFunction('getDynCaller', false); +unexportedRuntimeFunction('dynCall', false); +unexportedRuntimeFunction('handleException', false); +unexportedRuntimeFunction('runtimeKeepalivePush', false); +unexportedRuntimeFunction('runtimeKeepalivePop', false); +unexportedRuntimeFunction('callUserCallback', false); +unexportedRuntimeFunction('maybeExit', false); +unexportedRuntimeFunction('safeSetTimeout', false); +unexportedRuntimeFunction('asmjsMangle', false); +unexportedRuntimeFunction('asyncLoad', false); +unexportedRuntimeFunction('alignMemory', false); +unexportedRuntimeFunction('mmapAlloc', false); +unexportedRuntimeFunction('writeI53ToI64', false); +unexportedRuntimeFunction('writeI53ToI64Clamped', false); +unexportedRuntimeFunction('writeI53ToI64Signaling', false); +unexportedRuntimeFunction('writeI53ToU64Clamped', false); +unexportedRuntimeFunction('writeI53ToU64Signaling', false); +unexportedRuntimeFunction('readI53FromI64', false); +unexportedRuntimeFunction('readI53FromU64', false); +unexportedRuntimeFunction('convertI32PairToI53', false); +unexportedRuntimeFunction('convertI32PairToI53Checked', false); +unexportedRuntimeFunction('convertU32PairToI53', false); +unexportedRuntimeFunction('reallyNegative', false); +unexportedRuntimeFunction('unSign', false); +unexportedRuntimeFunction('strLen', false); +unexportedRuntimeFunction('reSign', false); +unexportedRuntimeFunction('formatString', false); +unexportedRuntimeFunction('setValue', false); +unexportedRuntimeFunction('getValue', false); +unexportedRuntimeFunction('PATH', false); +unexportedRuntimeFunction('PATH_FS', false); +unexportedRuntimeFunction('SYSCALLS', false); +unexportedRuntimeFunction('getSocketFromFD', false); +unexportedRuntimeFunction('getSocketAddress', false); +unexportedRuntimeFunction('JSEvents', false); +unexportedRuntimeFunction('registerKeyEventCallback', false); +unexportedRuntimeFunction('specialHTMLTargets', false); +unexportedRuntimeFunction('maybeCStringToJsString', false); +unexportedRuntimeFunction('findEventTarget', false); +unexportedRuntimeFunction('findCanvasEventTarget', false); +unexportedRuntimeFunction('getBoundingClientRect', false); +unexportedRuntimeFunction('fillMouseEventData', false); +unexportedRuntimeFunction('registerMouseEventCallback', false); +unexportedRuntimeFunction('registerWheelEventCallback', false); +unexportedRuntimeFunction('registerUiEventCallback', false); +unexportedRuntimeFunction('registerFocusEventCallback', false); +unexportedRuntimeFunction('fillDeviceOrientationEventData', false); +unexportedRuntimeFunction('registerDeviceOrientationEventCallback', false); +unexportedRuntimeFunction('fillDeviceMotionEventData', false); +unexportedRuntimeFunction('registerDeviceMotionEventCallback', false); +unexportedRuntimeFunction('screenOrientation', false); +unexportedRuntimeFunction('fillOrientationChangeEventData', false); +unexportedRuntimeFunction('registerOrientationChangeEventCallback', false); +unexportedRuntimeFunction('fillFullscreenChangeEventData', false); +unexportedRuntimeFunction('registerFullscreenChangeEventCallback', false); +unexportedRuntimeFunction('JSEvents_requestFullscreen', false); +unexportedRuntimeFunction('JSEvents_resizeCanvasForFullscreen', false); +unexportedRuntimeFunction('registerRestoreOldStyle', false); +unexportedRuntimeFunction('hideEverythingExceptGivenElement', false); +unexportedRuntimeFunction('restoreHiddenElements', false); +unexportedRuntimeFunction('setLetterbox', false); +unexportedRuntimeFunction('currentFullscreenStrategy', false); +unexportedRuntimeFunction('restoreOldWindowedStyle', false); +unexportedRuntimeFunction('softFullscreenResizeWebGLRenderTarget', false); +unexportedRuntimeFunction('doRequestFullscreen', false); +unexportedRuntimeFunction('fillPointerlockChangeEventData', false); +unexportedRuntimeFunction('registerPointerlockChangeEventCallback', false); +unexportedRuntimeFunction('registerPointerlockErrorEventCallback', false); +unexportedRuntimeFunction('requestPointerLock', false); +unexportedRuntimeFunction('fillVisibilityChangeEventData', false); +unexportedRuntimeFunction('registerVisibilityChangeEventCallback', false); +unexportedRuntimeFunction('registerTouchEventCallback', false); +unexportedRuntimeFunction('fillGamepadEventData', false); +unexportedRuntimeFunction('registerGamepadEventCallback', false); +unexportedRuntimeFunction('registerBeforeUnloadEventCallback', false); +unexportedRuntimeFunction('fillBatteryEventData', false); +unexportedRuntimeFunction('battery', false); +unexportedRuntimeFunction('registerBatteryEventCallback', false); +unexportedRuntimeFunction('setCanvasElementSize', false); +unexportedRuntimeFunction('getCanvasElementSize', false); +unexportedRuntimeFunction('demangle', false); +unexportedRuntimeFunction('demangleAll', false); +unexportedRuntimeFunction('jsStackTrace', false); +unexportedRuntimeFunction('stackTrace', false); +unexportedRuntimeFunction('getEnvStrings', false); +unexportedRuntimeFunction('checkWasiClock', false); +unexportedRuntimeFunction('flush_NO_FILESYSTEM', false); +unexportedRuntimeFunction('dlopenMissingError', false); +unexportedRuntimeFunction('setImmediateWrapped', false); +unexportedRuntimeFunction('clearImmediateWrapped', false); +unexportedRuntimeFunction('polyfillSetImmediate', false); +unexportedRuntimeFunction('uncaughtExceptionCount', false); +unexportedRuntimeFunction('exceptionLast', false); +unexportedRuntimeFunction('exceptionCaught', false); +unexportedRuntimeFunction('ExceptionInfo', false); +unexportedRuntimeFunction('exception_addRef', false); +unexportedRuntimeFunction('exception_decRef', false); +unexportedRuntimeFunction('Browser', false); +unexportedRuntimeFunction('setMainLoop', false); +unexportedRuntimeFunction('wget', false); +unexportedRuntimeFunction('tempFixedLengthArray', false); +unexportedRuntimeFunction('miniTempWebGLFloatBuffers', false); +unexportedRuntimeFunction('heapObjectForWebGLType', false); +unexportedRuntimeFunction('heapAccessShiftForWebGLHeap', false); +unexportedRuntimeFunction('GL', false); +unexportedRuntimeFunction('emscriptenWebGLGet', false); +unexportedRuntimeFunction('computeUnpackAlignedImageSize', false); +unexportedRuntimeFunction('emscriptenWebGLGetTexPixelData', false); +unexportedRuntimeFunction('emscriptenWebGLGetUniform', false); +unexportedRuntimeFunction('webglGetUniformLocation', false); +unexportedRuntimeFunction('webglPrepareUniformLocationsBeforeFirstUse', false); +unexportedRuntimeFunction('webglGetLeftBracePos', false); +unexportedRuntimeFunction('emscriptenWebGLGetVertexAttrib', false); +unexportedRuntimeFunction('writeGLArray', false); +unexportedRuntimeFunction('AL', false); +unexportedRuntimeFunction('SDL_unicode', false); +unexportedRuntimeFunction('SDL_ttfContext', false); +unexportedRuntimeFunction('SDL_audio', false); +unexportedRuntimeFunction('SDL', false); +unexportedRuntimeFunction('SDL_gfx', false); +unexportedRuntimeFunction('GLUT', false); +unexportedRuntimeFunction('EGL', false); +unexportedRuntimeFunction('GLFW_Window', false); +unexportedRuntimeFunction('GLFW', false); +unexportedRuntimeFunction('GLEW', false); +unexportedRuntimeFunction('IDBStore', false); +unexportedRuntimeFunction('runAndAbortIfError', false); +unexportedRuntimeFunction('emscriptenWebGLGetIndexed', false); +unexportedRuntimeFunction('InternalError', false); +unexportedRuntimeFunction('BindingError', false); +unexportedRuntimeFunction('UnboundTypeError', false); +unexportedRuntimeFunction('PureVirtualError', false); +unexportedRuntimeFunction('init_embind', false); +unexportedRuntimeFunction('throwInternalError', false); +unexportedRuntimeFunction('throwBindingError', false); +unexportedRuntimeFunction('throwUnboundTypeError', false); +unexportedRuntimeFunction('ensureOverloadTable', false); +unexportedRuntimeFunction('exposePublicSymbol', false); +unexportedRuntimeFunction('replacePublicSymbol', false); +unexportedRuntimeFunction('extendError', false); +unexportedRuntimeFunction('createNamedFunction', false); +unexportedRuntimeFunction('embindRepr', false); +unexportedRuntimeFunction('registeredInstances', false); +unexportedRuntimeFunction('getBasestPointer', false); +unexportedRuntimeFunction('registerInheritedInstance', false); +unexportedRuntimeFunction('unregisterInheritedInstance', false); +unexportedRuntimeFunction('getInheritedInstance', false); +unexportedRuntimeFunction('getInheritedInstanceCount', false); +unexportedRuntimeFunction('getLiveInheritedInstances', false); +unexportedRuntimeFunction('registeredTypes', false); +unexportedRuntimeFunction('awaitingDependencies', false); +unexportedRuntimeFunction('typeDependencies', false); +unexportedRuntimeFunction('registeredPointers', false); +unexportedRuntimeFunction('registerType', false); +unexportedRuntimeFunction('whenDependentTypesAreResolved', false); +unexportedRuntimeFunction('embind_charCodes', false); +unexportedRuntimeFunction('embind_init_charCodes', false); +unexportedRuntimeFunction('readLatin1String', false); +unexportedRuntimeFunction('getTypeName', false); +unexportedRuntimeFunction('heap32VectorToArray', false); +unexportedRuntimeFunction('requireRegisteredType', false); +unexportedRuntimeFunction('getShiftFromSize', false); +unexportedRuntimeFunction('integerReadValueFromPointer', false); +unexportedRuntimeFunction('enumReadValueFromPointer', false); +unexportedRuntimeFunction('floatReadValueFromPointer', false); +unexportedRuntimeFunction('simpleReadValueFromPointer', false); +unexportedRuntimeFunction('runDestructors', false); +unexportedRuntimeFunction('new_', false); +unexportedRuntimeFunction('craftInvokerFunction', false); +unexportedRuntimeFunction('embind__requireFunction', false); +unexportedRuntimeFunction('tupleRegistrations', false); +unexportedRuntimeFunction('structRegistrations', false); +unexportedRuntimeFunction('genericPointerToWireType', false); +unexportedRuntimeFunction('constNoSmartPtrRawPointerToWireType', false); +unexportedRuntimeFunction('nonConstNoSmartPtrRawPointerToWireType', false); +unexportedRuntimeFunction('init_RegisteredPointer', false); +unexportedRuntimeFunction('RegisteredPointer', false); +unexportedRuntimeFunction('RegisteredPointer_getPointee', false); +unexportedRuntimeFunction('RegisteredPointer_destructor', false); +unexportedRuntimeFunction('RegisteredPointer_deleteObject', false); +unexportedRuntimeFunction('RegisteredPointer_fromWireType', false); +unexportedRuntimeFunction('runDestructor', false); +unexportedRuntimeFunction('releaseClassHandle', false); +unexportedRuntimeFunction('finalizationRegistry', false); +unexportedRuntimeFunction('detachFinalizer_deps', false); +unexportedRuntimeFunction('detachFinalizer', false); +unexportedRuntimeFunction('attachFinalizer', false); +unexportedRuntimeFunction('makeClassHandle', false); +unexportedRuntimeFunction('init_ClassHandle', false); +unexportedRuntimeFunction('ClassHandle', false); +unexportedRuntimeFunction('ClassHandle_isAliasOf', false); +unexportedRuntimeFunction('throwInstanceAlreadyDeleted', false); +unexportedRuntimeFunction('ClassHandle_clone', false); +unexportedRuntimeFunction('ClassHandle_delete', false); +unexportedRuntimeFunction('deletionQueue', false); +unexportedRuntimeFunction('ClassHandle_isDeleted', false); +unexportedRuntimeFunction('ClassHandle_deleteLater', false); +unexportedRuntimeFunction('flushPendingDeletes', false); +unexportedRuntimeFunction('delayFunction', false); +unexportedRuntimeFunction('setDelayFunction', false); +unexportedRuntimeFunction('RegisteredClass', false); +unexportedRuntimeFunction('shallowCopyInternalPointer', false); +unexportedRuntimeFunction('downcastPointer', false); +unexportedRuntimeFunction('upcastPointer', false); +unexportedRuntimeFunction('validateThis', false); +unexportedRuntimeFunction('char_0', false); +unexportedRuntimeFunction('char_9', false); +unexportedRuntimeFunction('makeLegalFunctionName', false); +unexportedRuntimeFunction('emval_handle_array', false); +unexportedRuntimeFunction('emval_free_list', false); +unexportedRuntimeFunction('emval_symbols', false); +unexportedRuntimeFunction('init_emval', false); +unexportedRuntimeFunction('count_emval_handles', false); +unexportedRuntimeFunction('get_first_emval', false); +unexportedRuntimeFunction('getStringOrSymbol', false); +unexportedRuntimeFunction('Emval', false); +unexportedRuntimeFunction('emval_newers', false); +unexportedRuntimeFunction('craftEmvalAllocator', false); +unexportedRuntimeFunction('emval_get_global', false); +unexportedRuntimeFunction('emval_lookupTypes', false); +unexportedRuntimeFunction('emval_allocateDestructors', false); +unexportedRuntimeFunction('emval_methodCallers', false); +unexportedRuntimeFunction('emval_addMethodCaller', false); +unexportedRuntimeFunction('emval_registeredMethods', false); +unexportedRuntimeSymbol('ALLOC_NORMAL', false); +unexportedRuntimeSymbol('ALLOC_STACK', false); + +var calledRun; + +/** + * @constructor + * @this {ExitStatus} + */ +function ExitStatus(status) { + this.name = "ExitStatus"; + this.message = "Program terminated with exit(" + status + ")"; + this.status = status; +} + +var calledMain = false; + +dependenciesFulfilled = function runCaller() { + // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) + if (!calledRun) run(); + if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled +}; + +function stackCheckInit() { + // This is normally called automatically during __wasm_call_ctors but need to + // get these values before even running any of the ctors so we call it redundantly + // here. + _emscripten_stack_init(); + // TODO(sbc): Move writeStackCookie to native to to avoid this. + writeStackCookie(); +} + +/** @type {function(Array=)} */ +function run(args) { + args = args || arguments_; + + if (runDependencies > 0) { + return; + } + + stackCheckInit(); + + preRun(); + + // a preRun added a dependency, run will be called later + if (runDependencies > 0) { + return; + } + + function doRun() { + // run may have just been called through dependencies being fulfilled just in this very frame, + // or while the async setStatus time below was happening + if (calledRun) return; + calledRun = true; + Module['calledRun'] = true; + + if (ABORT) return; + + initRuntime(); + + readyPromiseResolve(Module); + if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); + + assert(!Module['_main'], 'compiled without a main, but one is present. if you added it from JS, use Module["onRuntimeInitialized"]'); + + postRun(); + } + + if (Module['setStatus']) { + Module['setStatus']('Running...'); + setTimeout(function() { + setTimeout(function() { + Module['setStatus'](''); + }, 1); + doRun(); + }, 1); + } else + { + doRun(); + } + checkStackCookie(); +} +Module['run'] = run; + +function checkUnflushedContent() { + // Compiler settings do not allow exiting the runtime, so flushing + // the streams is not possible. but in ASSERTIONS mode we check + // if there was something to flush, and if so tell the user they + // should request that the runtime be exitable. + // Normally we would not even include flush() at all, but in ASSERTIONS + // builds we do so just for this check, and here we see if there is any + // content to flush, that is, we check if there would have been + // something a non-ASSERTIONS build would have not seen. + // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 + // mode (which has its own special function for this; otherwise, all + // the code is inside libc) + var oldOut = out; + var oldErr = err; + var has = false; + out = err = (x) => { + has = true; + } + try { // it doesn't matter if it fails + flush_NO_FILESYSTEM(); + } catch(e) {} + out = oldOut; + err = oldErr; + if (has) { + warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.'); + warnOnce('(this may also be due to not including full filesystem support - try building with -sFORCE_FILESYSTEM)'); + } +} + +/** @param {boolean|number=} implicit */ +function exit(status, implicit) { + EXITSTATUS = status; + + checkUnflushedContent(); + + // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down + if (keepRuntimeAlive() && !implicit) { + var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)'; + readyPromiseReject(msg); + err(msg); + } + + procExit(status); +} + +function procExit(code) { + EXITSTATUS = code; + if (!keepRuntimeAlive()) { + if (Module['onExit']) Module['onExit'](code); + ABORT = true; + } + quit_(code, new ExitStatus(code)); +} + +if (Module['preInit']) { + if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; + while (Module['preInit'].length > 0) { + Module['preInit'].pop()(); + } +} + +run(); + + + + + + + + return Module.ready +} +); +})(); +if (typeof exports === 'object' && typeof module === 'object') + module.exports = Module; +else if (typeof define === 'function' && define['amd']) + define([], function() { return Module; }); +else if (typeof exports === 'object') + exports["Module"] = Module; diff --git a/frontend/src/app/renderer_v2.cljs b/frontend/src/app/renderer_v2.cljs deleted file mode 100644 index 10509cf8e6..0000000000 --- a/frontend/src/app/renderer_v2.cljs +++ /dev/null @@ -1,38 +0,0 @@ -;; This Source Code Form is subject to the terms of the Mozilla Public -;; License, v. 2.0. If a copy of the MPL was not distributed with this -;; file, You can obtain one at http://mozilla.org/MPL/2.0/. -;; -;; Copyright (c) KALEIDOS INC - -(ns app.renderer-v2 - (:require - [app.config :as cf] - [beicon.v2.core :as rx] - [potok.v2.core :as ptk])) - -(defonce internal-module #js {}) - -(defn on-module-loaded - [module'] - (let [init-fn (.-default ^js module')] - (->> (rx/from (init-fn)) - (rx/map (constantly module'))))) - -(defn- on-module-initialized - [module] - (set! internal-module module)) - -(defn print-msg [msg] - (let [print-fn (.-print internal-module)] - (print-fn msg))) - -(defn init - [] - (ptk/reify ::init - ptk/WatchEvent - (watch [_ _ _] - (let [module-uri (assoc cf/public-uri :path "/js/renderer/renderer.js")] - (->> (rx/from (js/dynamicImport (str module-uri))) - (rx/mapcat on-module-loaded) - (rx/tap on-module-initialized) - (rx/ignore))))))