began transition to gles

effects/internal/internalshaders.qrc

@@ -5,5 +5,7 @@
         <file>cornerpin.vert</file>
         <file>premultiply.frag</file>
         <file>dropshadow.frag</file>
+        <file>pipeline.frag</file>
+        <file>pipeline.vert</file>
     </qresource>
 </RCC>

effects/internal/pipeline.frag

@@ -0,0 +1,11 @@
+#ifdef GL_ES
+precision mediump int;
+precision mediump float;
+#endif
+
+uniform sampler2D texture;
+varying vec2 v_texcoord;
+
+void main() {
+  gl_FragColor = texture2D(texture, v_texcoord);
+}

effects/internal/pipeline.vert

@@ -0,0 +1,16 @@
+#ifdef GL_ES
+precision mediump int;
+precision mediump float;
+#endif
+
+uniform mat4 mvp_matrix;
+
+attribute vec4 a_position;
+attribute vec2 a_texcoord;
+
+varying vec2 v_texcoord;
+
+void main() {
+  gl_Position = mvp_matrix * a_position;
+  v_texcoord = a_texcoord;
+};