Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/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 13 matching lines @@
  */
 
 #include "config.h"
 
 #include "core/html/canvas/WebGLDrawBuffers.h"
 
 #include "core/platform/graphics/Extensions3D.h"
 
 namespace WebCore {
 
-WebGLDrawBuffers::WebGLDrawBuffers(WebGLRenderingContext* context)
+WebGLDrawBuffers::WebGLDrawBuffers(WebGLRenderingContextBase* context)
     : WebGLExtension(context)
 {
     ScriptWrappable::init(this);
     context->graphicsContext3D()->getExtensions()->ensureEnabled("GL_EXT_draw_buffers");
 }
 
 WebGLDrawBuffers::~WebGLDrawBuffers()
 {
 }
 
 WebGLExtension::ExtensionName WebGLDrawBuffers::getName() const
 {
     return WebGLExtension::WebGLDrawBuffersName;
 }
 
-PassRefPtr<WebGLDrawBuffers> WebGLDrawBuffers::create(WebGLRenderingContext* context)
+PassRefPtr<WebGLDrawBuffers> WebGLDrawBuffers::create(WebGLRenderingContextBase* context)
 {
     return adoptRef(new WebGLDrawBuffers(context));
 }
 
 // static
-bool WebGLDrawBuffers::supported(WebGLRenderingContext* context)
+bool WebGLDrawBuffers::supported(WebGLRenderingContextBase* context)
 {
     Extensions3D* extensions = context->graphicsContext3D()->getExtensions();
     return (extensions->supports("GL_EXT_draw_buffers")
         && satisfiesWebGLRequirements(context));
 }
 
 const char* WebGLDrawBuffers::getExtensionName()
 {
     return "WEBGL_draw_buffers";
 }
@@ skipping 26 matching lines @@
             if (bufs[i] != GraphicsContext3D::NONE && bufs[i] != static_cast<GC3Denum>(Extensions3D::COLOR_ATTACHMENT0_EXT + i)) {
                 m_context->synthesizeGLError(GraphicsContext3D::INVALID_OPERATION, "drawBuffersWEBGL", "COLOR_ATTACHMENTi_EXT or NONE");
                 return;
             }
         }
         m_context->m_framebufferBinding->drawBuffers(buffers);
     }
 }
 
 // static
-bool WebGLDrawBuffers::satisfiesWebGLRequirements(WebGLRenderingContext* webglContext)
+bool WebGLDrawBuffers::satisfiesWebGLRequirements(WebGLRenderingContextBase* webglContext)
 {
     GraphicsContext3D* context = webglContext->graphicsContext3D();
 
     // This is called after we make sure GL_EXT_draw_buffers is supported.
     GC3Dint maxDrawBuffers = 0;
     GC3Dint maxColorAttachments = 0;
     context->getIntegerv(Extensions3D::MAX_DRAW_BUFFERS_EXT, &maxDrawBuffers);
     context->getIntegerv(Extensions3D::MAX_COLOR_ATTACHMENTS_EXT, &maxColorAttachments);
     if (maxDrawBuffers < 4 || maxColorAttachments < 4)
         return false;
@@ skipping 59 matching lines @@
     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 WebCore