diff --git a/frontend/src/app/main/ui/workspace/viewport/gl.cljs b/frontend/src/app/main/ui/workspace/viewport/gl.cljs
index 93d81c130c..5d9df621f5 100644
--- a/frontend/src/app/main/ui/workspace/viewport/gl.cljs
+++ b/frontend/src/app/main/ui/workspace/viewport/gl.cljs
@@ -12,6 +12,11 @@
 (def default-vertex-shader (slurp "src/app/util/gl/shaders/default.v.glsl"))
 (def default-fragment-shader (slurp "src/app/util/gl/shaders/default.f.glsl"))
 
+#_(def shaders (js/Map.))
+(def programs (js/Map.))
+#_(def textures (js/Map.))
+#_(def framebuffers (js/Map.))
+
 (defn resize-canvas-to
   [canvas width height]
   (let [resized-width (not= (.-width canvas) width)
@@ -31,19 +36,26 @@
 
 (defn prepare-gl
   [gl]
-  (let [default-program (gl/create-program-from-sources gl default-vertex-shader default-fragment-shader)]))
+  (let [default-program (gl/create-program-from-sources gl default-vertex-shader default-fragment-shader)]
+    (.set programs "default" default-program)))
 
 (defn render-gl
   [gl objects]
-  (.clearColor gl 1.0 0.0 1.0 1.0)
+  (.clearColor gl 0.0 0.0 0.0 0.0)
   (.clear gl (.-COLOR_BUFFER_BIT gl))
 
   (.viewport gl 0 0 (.-width (.-canvas gl)) (.-height (.-canvas gl)))
 
-  (for [object objects]
+  (.useProgram gl (.get programs "default"))
+  (.uniform2f gl (.getUniformLocation gl (.get programs "default") "u_screenSize") (.-width (.-canvas gl)) (.-height (.-canvas gl)))
 
-
-    (.drawArrays gl (.TRIANGLES gl) 0 4)))
+  (println "objects vals" (vals objects))
+  (doseq [[_ object] objects]
+    (do
+      (.uniform4f gl (.getUniformLocation gl (.get programs "default") "u_color") 1.0 0.0 0.0 1.0)
+      (.uniform2f gl (.getUniformLocation gl (.get programs "default") "u_size") (:width object) (:height object))
+      (.uniform2f gl (.getUniformLocation gl (.get programs "default") "u_position") (:x object) (:y object))
+      (.drawArrays gl (.-TRIANGLE_STRIP gl) 0 4))))
 
 (mf/defc canvas
   "A canvas element with a WebGL context."
diff --git a/frontend/src/app/util/gl.cljs b/frontend/src/app/util/gl.cljs
index d848950194..8e4dd91455 100644
--- a/frontend/src/app/util/gl.cljs
+++ b/frontend/src/app/util/gl.cljs
@@ -18,7 +18,8 @@
     (.shaderSource gl shader source)
     (.compileShader gl shader)
     (when-not (.getShaderParameter gl shader (.-COMPILE_STATUS gl))
-      (throw (js/Error. (dm/str (get-shader-type gl type) " " (.getShaderInfoLog gl shader)))))))
+      (throw (js/Error. (dm/str (get-shader-type gl type) " " (.getShaderInfoLog gl shader)))))
+    shader))
 
 (defn create-vertex-shader
   "Creates a vertex shader with the given source"
diff --git a/frontend/src/app/util/gl/shaders/default.f.glsl b/frontend/src/app/util/gl/shaders/default.f.glsl
index 7578853e51..d950503467 100644
--- a/frontend/src/app/util/gl/shaders/default.f.glsl
+++ b/frontend/src/app/util/gl/shaders/default.f.glsl
@@ -2,9 +2,10 @@
 
 precision highp float;
 
-in vec2 v_texCoord;
+// in vec2 v_texCoord;
 
-uniform sampler2D u_texture;
+// uniform sampler2D u_texture;
+uniform vec4 u_color;
 
 out vec4 fragColor;
 
@@ -12,5 +13,6 @@ void main() {
     // fragColor = texture(u_framebuffer, v_texCoord) + texture(u_texture, v_texCoord);
     // fragColor = texture(u_texture, v_texCoord);
     // Pintamos rosita
-    fragColor = vec4(1.0, 0.0, 1.0, 1.0);
+    fragColor = u_color;
+    // fragColor = vec4(1.0, 0.0, 1.0, 1.0);
 }
\ No newline at end of file
diff --git a/frontend/src/app/util/gl/shaders/default.v.glsl b/frontend/src/app/util/gl/shaders/default.v.glsl
index 97e8ac7053..9a876d13c4 100644
--- a/frontend/src/app/util/gl/shaders/default.v.glsl
+++ b/frontend/src/app/util/gl/shaders/default.v.glsl
@@ -6,7 +6,7 @@ uniform vec2 u_screenSize;
 uniform vec2 u_position;
 uniform vec2 u_size;
 
-out vec2 v_texCoord;
+// out vec2 v_texCoord;
 
 vec2 get_base_position(int id) {
     if(id == 0) {
@@ -22,6 +22,7 @@ vec2 get_base_position(int id) {
     }
 }
 
+/*
 vec2 get_tex_position(int id) {
     if(id == 0) {
         return vec2(0.0f, 1.0f);
@@ -35,8 +36,9 @@ vec2 get_tex_position(int id) {
         return vec2(0.0f, 0.0f);
     }
 }
+*/
 
 void main() {
     gl_Position = vec4((get_base_position(gl_VertexID) * u_size + u_position) / u_screenSize, 0.0f, 1.0f);
-    v_texCoord = get_tex_position(gl_VertexID);
+    // v_texCoord = get_tex_position(gl_VertexID);
 }
\ No newline at end of file