Fix texture issue on Android browser by always set vertexAttribPointer

Author: pandamicro

Diff for: cocos2d/core/renderer/RendererWebGL.js

@@ -315,7 +315,7 @@ return {
         cc.glBlendFunc(_batchedInfo.blendSrc, _batchedInfo.blendDst);
         cc.glBindTexture2DN(0, texture);                   // = cc.glBindTexture2D(texture);
 
-        var _bufferchanged = !gl.bindBuffer(gl.ARRAY_BUFFER, _quadVertexBuffer);
+        gl.bindBuffer(gl.ARRAY_BUFFER, _quadVertexBuffer);
         // upload the vertex data to the gl buffer
         if (_batchingSize > _vertexSize * 0.5) {
             gl.bufferData(gl.ARRAY_BUFFER, _vertexDataF32, gl.DYNAMIC_DRAW);
@@ -325,14 +325,12 @@ return {
             gl.bufferData(gl.ARRAY_BUFFER, view, gl.DYNAMIC_DRAW);
         }
 
-        if (_bufferchanged) {
-            gl.enableVertexAttribArray(cc.VERTEX_ATTRIB_POSITION);
-            gl.enableVertexAttribArray(cc.VERTEX_ATTRIB_COLOR);
-            gl.enableVertexAttribArray(cc.VERTEX_ATTRIB_TEX_COORDS);
-            gl.vertexAttribPointer(cc.VERTEX_ATTRIB_POSITION, 3, gl.FLOAT, false, 24, 0);
-            gl.vertexAttribPointer(cc.VERTEX_ATTRIB_COLOR, 4, gl.UNSIGNED_BYTE, true, 24, 12);
-            gl.vertexAttribPointer(cc.VERTEX_ATTRIB_TEX_COORDS, 2, gl.FLOAT, false, 24, 16);
-        }
+        gl.enableVertexAttribArray(cc.VERTEX_ATTRIB_POSITION);
+        gl.enableVertexAttribArray(cc.VERTEX_ATTRIB_COLOR);
+        gl.enableVertexAttribArray(cc.VERTEX_ATTRIB_TEX_COORDS);
+        gl.vertexAttribPointer(cc.VERTEX_ATTRIB_POSITION, 3, gl.FLOAT, false, 24, 0);
+        gl.vertexAttribPointer(cc.VERTEX_ATTRIB_COLOR, 4, gl.UNSIGNED_BYTE, true, 24, 12);
+        gl.vertexAttribPointer(cc.VERTEX_ATTRIB_TEX_COORDS, 2, gl.FLOAT, false, 24, 16);
 
         gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, _quadIndexBuffer);
         gl.drawElements(gl.TRIANGLES, count * 6, gl.UNSIGNED_SHORT, 0);

Diff for: cocos2d/shaders/CCGLStateCache.js

@@ -44,10 +44,6 @@ if (cc.ENABLE_GL_STATE_CACHE) {
         if (_currBuffers[target] !== buffer) {
             this.glBindBuffer(target, buffer);
             _currBuffers[target] = buffer;
-            return false;
-        }
-        else {
-            return true;
         }
     };