Move simple methods [A-E] from WebGraphicsContext3D to GLES2Interface.

third_party/WebKit/Source/modules/webgl/WebGLDrawBuffers.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 96 matching lines @@
 
     // This is called after we make sure GL_EXT_draw_buffers is supported.
     GLint maxDrawBuffers = 0;
     GLint maxColorAttachments = 0;
     context->getIntegerv(GL_MAX_DRAW_BUFFERS_EXT, &maxDrawBuffers);
     context->getIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &maxColorAttachments);
     if (maxDrawBuffers < 4 || maxColorAttachments < 4)
         return false;
 
     Platform3DObject fbo = context->createFramebuffer();
-    context->bindFramebuffer(GL_FRAMEBUFFER, fbo);
+    gl->BindFramebuffer(GL_FRAMEBUFFER, fbo);
 
     const unsigned char* buffer = 0; // Chromium doesn't allow init data for depth/stencil tetxures.
     bool supportsDepth = (extensionsUtil->supportsExtension("GL_CHROMIUM_depth_texture")
         || extensionsUtil->supportsExtension("GL_OES_depth_texture")
         || extensionsUtil->supportsExtension("GL_ARB_depth_texture"));
     bool supportsDepthStencil = (extensionsUtil->supportsExtension("GL_EXT_packed_depth_stencil")
         || extensionsUtil->supportsExtension("GL_OES_packed_depth_stencil"));
     Platform3DObject depthStencil = 0;
     if (supportsDepthStencil) {
         depthStencil = context->createTexture();
-        context->bindTexture(GL_TEXTURE_2D, depthStencil);
+        gl->BindTexture(GL_TEXTURE_2D, depthStencil);
         context->texImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_STENCIL_OES, 1, 1, 0, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, buffer);
     }
     Platform3DObject depth = 0;
     if (supportsDepth) {
         depth = context->createTexture();
-        context->bindTexture(GL_TEXTURE_2D, depth);
+        gl->BindTexture(GL_TEXTURE_2D, depth);
         context->texImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, 1, 1, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buffer);
     }
 
     Vector<Platform3DObject> colors;
     bool ok = true;
     GLint maxAllowedBuffers = std::min(maxDrawBuffers, maxColorAttachments);
     for (GLint i = 0; i < maxAllowedBuffers; ++i) {
         Platform3DObject color = context->createTexture();
         colors.append(color);
-        context->bindTexture(GL_TEXTURE_2D, color);
+        gl->BindTexture(GL_TEXTURE_2D, color);
         context->texImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
         gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, color, 0);
-        if (context->checkFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+        if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
             ok = false;
             break;
         }
         if (supportsDepth) {
             gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth, 0);
-            if (context->checkFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+            if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
                 ok = false;
                 break;
             }
             gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
         }
         if (supportsDepthStencil) {
             gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthStencil, 0);
             gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, depthStencil, 0);
-            if (context->checkFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
+            if (gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
                 ok = false;
                 break;
             }
             gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
             gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
         }
     }
 
     webglContext->restoreCurrentFramebuffer();
     context->deleteFramebuffer(fbo);
     webglContext->restoreCurrentTexture2D();
     if (supportsDepth)
         context->deleteTexture(depth);
     if (supportsDepthStencil)
         context->deleteTexture(depthStencil);
     for (size_t i = 0; i < colors.size(); ++i)
         context->deleteTexture(colors[i]);
     return ok;
 }
 
 } // namespace blink