Merge 92908 - Readback composited webgl results for printing

Source/WebCore/platform/graphics/chromium/Extensions3DChromium.h

 /*
  * Copyright (C) 2010 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 @@
  */
 
 #ifndef Extensions3DChromium_h
 #define Extensions3DChromium_h
 
 #include "Extensions3D.h"
 
 namespace WebCore {
 
 class GraphicsContext3DInternal;
+class ImageBuffer;
 
 class Extensions3DChromium : public Extensions3D {
 public:
     virtual ~Extensions3DChromium();
 
     // Supported extensions:
     //   GL_CHROMIUM_resource_safe  : indicating that textures/renderbuffers are always initialized before read/write.
     //   GL_CHROMIUM_strict_attribs : indicating a GL error is generated for out-of-bounds buffer accesses.
     //   GL_CHROMIUM_map_sub
     //   GL_CHROMIUM_copy_texture_to_parent_texture
     //   GL_CHROMIUM_latch
     //   GL_CHROMIUM_swapbuffers_complete_callback
     //   GL_CHROMIUM_rate_limit_offscreen_context
+    //   GL_CHROMIUM_paint_framebuffer_canvas
 
     // Extensions3D methods.
     virtual bool supports(const String&);
     virtual void ensureEnabled(const String&);
     virtual bool isEnabled(const String&);
     virtual int getGraphicsResetStatusARB();
     virtual void blitFramebuffer(long srcX0, long srcY0, long srcX1, long srcY1, long dstX0, long dstY0, long dstX1, long dstY1, unsigned long mask, unsigned long filter);
     virtual void renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height);
     virtual Platform3DObject createVertexArrayOES();
     virtual void deleteVertexArrayOES(Platform3DObject);
@@ skipping 25 matching lines @@
     class SwapBuffersCompleteCallbackCHROMIUM {
     public:
         virtual void onSwapBuffersComplete() = 0;
         virtual ~SwapBuffersCompleteCallbackCHROMIUM() { }
     };
     void setSwapBuffersCompleteCallbackCHROMIUM(PassOwnPtr<SwapBuffersCompleteCallbackCHROMIUM>);
 
     // GL_CHROMIUM_rate_limit_offscreen_context
     void rateLimitOffscreenContextCHROMIUM();
 
+    // GL_CHROMIUM_paint_framebuffer_canvas
+    void paintFramebufferToCanvas(int framebuffer, int width, int height, bool premultiplyAlpha, ImageBuffer*);
+
 private:
     // Instances of this class are strictly owned by the GraphicsContext3D implementation and do not
     // need to be instantiated by any other code.
     friend class GraphicsContext3DInternal;
     explicit Extensions3DChromium(GraphicsContext3DInternal*);
 
     // Weak pointer back to GraphicsContext3DInternal
     GraphicsContext3DInternal* m_internal;
 };
 
 } // namespace WebCore
 
 #endif // Extensions3DChromium_h