Implement transform/clip support for Android WebView.

cc/output/software_renderer.h

 // Copyright 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 CC_OUTPUT_SOFTWARE_RENDERER_H_
 #define CC_OUTPUT_SOFTWARE_RENDERER_H_
 
 #include "base/basictypes.h"
 #include "cc/base/cc_export.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 32 matching lines @@
       size_t bytes_visible_and_nearby,
       size_t bytes_allocated) OVERRIDE  {}
   virtual void ReceiveCompositorFrameAck(
       const CompositorFrameAck& ack) OVERRIDE;
 
  protected:
   virtual void BindFramebufferToOutputSurface(DrawingFrame* frame) OVERRIDE;
   virtual bool BindFramebufferToTexture(
       DrawingFrame* frame,
       const ScopedResource* texture,
-      gfx::Rect framebuffer_rect) OVERRIDE;
-  virtual void SetDrawViewportSize(gfx::Size viewport_size) OVERRIDE;
+      gfx::Rect target_rect) OVERRIDE;
+  virtual void SetDrawViewport(gfx::Rect window_space_viewport) OVERRIDE;
   virtual void SetScissorTestRect(gfx::Rect scissor_rect) OVERRIDE;
   virtual void ClearFramebuffer(DrawingFrame* frame) OVERRIDE;
   virtual void DoDrawQuad(DrawingFrame* frame, const DrawQuad* quad) OVERRIDE;
   virtual void BeginDrawingFrame(DrawingFrame* frame) OVERRIDE;
   virtual void FinishDrawingFrame(DrawingFrame* frame) OVERRIDE;
   virtual bool FlippedFramebuffer() const OVERRIDE;
   virtual void EnsureScissorTestEnabled() OVERRIDE;
   virtual void EnsureScissorTestDisabled() OVERRIDE;
   virtual void CopyCurrentRenderPassToBitmap(
       DrawingFrame* frame,
       scoped_ptr<CopyOutputRequest> request) OVERRIDE;
 
- private:
   SoftwareRenderer(
       RendererClient* client,
       OutputSurface* output_surface,
       ResourceProvider* resource_provider);
 
+ private:
   void ClearCanvas(SkColor color);
   void SetClipRect(gfx::Rect rect);
   bool IsSoftwareResource(ResourceProvider::ResourceId resource_id) const;
 
   void DrawDebugBorderQuad(const DrawingFrame* frame,
                            const DebugBorderDrawQuad* quad);
   void DrawPictureQuad(const DrawingFrame* frame,
                        const PictureDrawQuad* quad);
   void DrawSolidColorQuad(const DrawingFrame* frame,
                           const SolidColorDrawQuad* quad);
   void DrawTextureQuad(const DrawingFrame* frame,
                        const TextureDrawQuad* quad);
   void DrawTileQuad(const DrawingFrame* frame,
                     const TileDrawQuad* quad);
   void DrawRenderPassQuad(const DrawingFrame* frame,
                           const RenderPassDrawQuad* quad);
   void DrawUnsupportedQuad(const DrawingFrame* frame,
                            const DrawQuad* quad);
 
   RendererCapabilities capabilities_;
   bool visible_;
   bool is_scissor_enabled_;
   bool is_viewport_changed_;
   gfx::Rect scissor_rect_;
 
-  OutputSurface* output_surface_;
   SoftwareOutputDevice* output_device_;
   SkCanvas* root_canvas_;
   SkCanvas* current_canvas_;
   SkPaint current_paint_;
   scoped_ptr<ResourceProvider::ScopedWriteLockSoftware>
       current_framebuffer_lock_;
   CompositorFrame compositor_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer);
 };
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_SOFTWARE_RENDERER_H_