Add CC software renderer.

cc/CCRendererGL.h

 // Copyright 2010 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 CCRendererGL_h
 #define CCRendererGL_h
 
 #if USE(ACCELERATED_COMPOSITING)
 
@@ skipping 72 matching lines @@
 
     virtual void bindFramebufferToOutputSurface(DrawingFrame&) OVERRIDE;
     virtual bool bindFramebufferToTexture(DrawingFrame&, const CCScopedTexture*, const IntRect& framebufferRect) OVERRIDE;
     virtual void setDrawViewportSize(const IntSize&) OVERRIDE;
     virtual void enableScissorTestRect(const IntRect& scissorRect) OVERRIDE;
     virtual void disableScissorTest() OVERRIDE;
     virtual void clearFramebuffer(DrawingFrame&) OVERRIDE;
     virtual void drawQuad(DrawingFrame&, const CCDrawQuad*) OVERRIDE;
     virtual void beginDrawingFrame(DrawingFrame&) OVERRIDE;
     virtual void finishDrawingFrame(DrawingFrame&) OVERRIDE;
+    virtual bool flippedFramebuffer() const OVERRIDE { return true; }
 
 private:
     static void toGLMatrix(float*, const WebKit::WebTransformationMatrix&);
 
     void drawCheckerboardQuad(const DrawingFrame&, const CCCheckerboardDrawQuad*);
     void drawDebugBorderQuad(const DrawingFrame&, const CCDebugBorderDrawQuad*);
     PassOwnPtr<CCScopedTexture> drawBackgroundFilters(DrawingFrame&, const CCRenderPassDrawQuad*, const WebKit::WebFilterOperations&, const WebKit::WebTransformationMatrix& deviceTransform);
     void drawRenderPassQuad(DrawingFrame&, const CCRenderPassDrawQuad*);
     void drawSolidColorQuad(const DrawingFrame&, const CCSolidColorDrawQuad*);
     void drawStreamVideoQuad(const DrawingFrame&, const CCStreamVideoDrawQuad*);
@@ skipping 133 matching lines @@
 #else
 #define GLC(context, x) (x)
 #endif
 
 
 }
 
 #endif // USE(ACCELERATED_COMPOSITING)
 
 #endif