WebKit support for EXT_occlusion_query.

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 463 matching lines @@
           WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* callback);
 
   virtual void texImageIOSurface2DCHROMIUM(
       WGC3Denum target, WGC3Dint width, WGC3Dint height,
       WGC3Duint ioSurfaceId, WGC3Duint plane);
 
   virtual void texStorage2DEXT(
       WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
       WGC3Dint width, WGC3Dint height);
 
+  virtual WebGLId createQueryEXT();
+  virtual void deleteQueryEXT(WebGLId query);
+  virtual WGC3Dboolean isQueryEXT(WGC3Duint query);
+  virtual void beginQueryEXT(WGC3Denum target, WebGLId query);
+  virtual void endQueryEXT(WGC3Denum target);
+  virtual void getQueryivEXT(
+      WGC3Denum target, WGC3Denum pname, WGC3Dint* params);
+  virtual void getQueryObjectuivEXT(
+      WebGLId query, WGC3Denum pname, WGC3Duint* params);
+
   ContentGLContext* content_gl_context() const { return context_; }
 
  protected:
 #if WEBKIT_USING_SKIA
   virtual GrGLInterface* onCreateGrGLInterface();
 #endif
 
  private:
   // Initialize the underlying GL context. May be called multiple times; second
   // and subsequent calls are ignored. Must be called from the thread that is
@@ skipping 52 matching lines @@
 
 #ifdef FLIP_FRAMEBUFFER_VERTICALLY
   std::vector<uint8> scanline_;
   void FlipVertically(uint8* framebuffer,
                       unsigned int width,
                       unsigned int height);
 #endif
 };
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_