Refactoring the GLRenderer::GetBackgroundWithFilters method.

cc/output/gl_renderer.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 CC_OUTPUT_GL_RENDERER_H_
 #define CC_OUTPUT_GL_RENDERER_H_
 
 #include "base/cancelable_callback.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_deque.h"
@@ skipping 131 matching lines @@
   void DrawCheckerboardQuad(const DrawingFrame* frame,
                             const CheckerboardDrawQuad* quad);
   void DrawDebugBorderQuad(const DrawingFrame* frame,
                            const DebugBorderDrawQuad* quad);
   static bool IsDefaultBlendMode(SkXfermode::Mode blend_mode) {
     return blend_mode == SkXfermode::kSrcOver_Mode;
   }
   bool CanApplyBlendModeUsingBlendFunc(SkXfermode::Mode blend_mode);
   void ApplyBlendModeUsingBlendFunc(SkXfermode::Mode blend_mode);
   void RestoreBlendFuncToDefault(SkXfermode::Mode blend_mode);
-  scoped_ptr<ScopedResource> GetBackgroundWithFilters(
+
+  gfx::Rect GetBackdropBoundingBoxForRenderPassQuad(
       DrawingFrame* frame,
       const RenderPassDrawQuad* quad,
-      const gfx::Transform& contents_device_transform,
-      const gfx::Transform& contents_device_transformInverse,
-      bool* background_changed);
+      const gfx::Transform& contents_device_transform);
+  scoped_ptr<ScopedResource> GetBackdropTexture(const gfx::Rect& bounding_rect);
+
+  static bool ShouldApplyBackgroundFilters(DrawingFrame* frame,
+                                           const RenderPassDrawQuad* quad);
+  skia::RefPtr<SkImage> ApplyBackgroundFilters(
+      DrawingFrame* frame,
+      const RenderPassDrawQuad* quad,
+      ScopedResource* background_texture);
+  scoped_ptr<ScopedResource> ApplyInverseTransformForBackgroundFilters(
+      DrawingFrame* frame,
+      const RenderPassDrawQuad* quad,
+      const gfx::Transform& contents_device_transform_inverse,
+      ScopedResource* background_texture,
+      skia::RefPtr<SkImage> backdrop_bitmap,
+      const gfx::Rect& backdrop_bounding_rect);
+
   void DrawRenderPassQuad(DrawingFrame* frame, const RenderPassDrawQuad* quad);
   void DrawSolidColorQuad(const DrawingFrame* frame,
                           const SolidColorDrawQuad* quad);
   void DrawStreamVideoQuad(const DrawingFrame* frame,
                            const StreamVideoDrawQuad* quad);
   void EnqueueTextureQuad(const DrawingFrame* frame,
                           const TextureDrawQuad* quad);
   void FlushTextureQuadCache();
   void DrawIOSurfaceQuad(const DrawingFrame* frame,
                          const IOSurfaceDrawQuad* quad);
@@ skipping 272 matching lines @@
 #if DEBUG_GL_CALLS && !defined(NDEBUG)
 #define GLC(context, x)                                                        \
   (x, GLRenderer::DebugGLCall(&* context, #x, __FILE__, __LINE__))
 #else
 #define GLC(context, x) (x)
 #endif
 
 }  // namespace cc
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_