Adding YUVA support for enabling Alpha Playback

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 "cc/base/cc_export.h"
 #include "cc/output/direct_renderer.h"
 #include "cc/output/gl_renderer_draw_cache.h"
@@ skipping 126 matching lines @@
                           const TextureDrawQuad* quad);
   void FlushTextureQuadCache();
   void DrawIOSurfaceQuad(const DrawingFrame* frame,
                          const IOSurfaceDrawQuad* quad);
   void DrawTileQuad(const DrawingFrame* frame, const TileDrawQuad* quad);
   void DrawContentQuad(const DrawingFrame* frame,
                        const ContentDrawQuadBase* quad,
                        ResourceProvider::ResourceId resource_id);
   void DrawYUVVideoQuad(const DrawingFrame* frame,
                         const YUVVideoDrawQuad* quad);
+  void DrawYUVAVideoQuad(const DrawingFrame* frame,
+                         const YUVVideoDrawQuad* quad);
   void DrawPictureQuad(const DrawingFrame* frame,
                        const PictureDrawQuad* quad);
 
   void SetShaderOpacity(float opacity, int alpha_location);
   void SetShaderQuadF(const gfx::QuadF& quad, int quad_location);
   void DrawQuadGeometry(const DrawingFrame* frame,
                         const gfx::Transform& draw_transform,
                         const gfx::RectF& quad_rect,
                         int matrix_location);
   void SetBlendEnabled(bool enabled);
@@ skipping 86 matching lines @@
   typedef ProgramBinding<VertexShaderPosTexTransform,
                          FragmentShaderRGBATexRectVaryingAlpha>
       TextureIOSurfaceProgram;
 
   // Video shaders.
   typedef ProgramBinding<VertexShaderVideoTransform,
                          FragmentShaderOESImageExternal>
       VideoStreamTextureProgram;
   typedef ProgramBinding<VertexShaderPosTexYUVStretch, FragmentShaderYUVVideo>
       VideoYUVProgram;
+  typedef ProgramBinding<VertexShaderPosTexYUVStretch, FragmentShaderYUVAVideo>
+      VideoYUVAProgram;
 
   // Special purpose / effects shaders.
   typedef ProgramBinding<VertexShaderPos, FragmentShaderColor>
       DebugBorderProgram;
   typedef ProgramBinding<VertexShaderQuad, FragmentShaderColor>
       SolidColorProgram;
   typedef ProgramBinding<VertexShaderQuad, FragmentShaderColorAA>
       SolidColorProgramAA;
 
   const TileProgram* GetTileProgram();
   const TileProgramOpaque* GetTileProgramOpaque();
   const TileProgramAA* GetTileProgramAA();
   const TileProgramSwizzle* GetTileProgramSwizzle();
   const TileProgramSwizzleOpaque* GetTileProgramSwizzleOpaque();
   const TileProgramSwizzleAA* GetTileProgramSwizzleAA();
   const TileCheckerboardProgram* GetTileCheckerboardProgram();
 
   const RenderPassProgram* GetRenderPassProgram();
   const RenderPassProgramAA* GetRenderPassProgramAA();
   const RenderPassMaskProgram* GetRenderPassMaskProgram();
   const RenderPassMaskProgramAA* GetRenderPassMaskProgramAA();
 
   const TextureProgram* GetTextureProgram();
   const TextureProgramFlip* GetTextureProgramFlip();
   const TextureIOSurfaceProgram* GetTextureIOSurfaceProgram();
 
   const VideoYUVProgram* GetVideoYUVProgram();
+  const VideoYUVAProgram* GetVideoYUVAProgram();

[danakj, 2013/04/03 00:42:04]

By the way, when adding a new program, please add it to the shader unit tests in
gl_renderer_unittest.cc as well.

[vignesh, 2013/04/04 00:37:33]

Done.

   const VideoStreamTextureProgram* GetVideoStreamTextureProgram();
 
   const DebugBorderProgram* GetDebugBorderProgram();
   const SolidColorProgram* GetSolidColorProgram();
   const SolidColorProgramAA* GetSolidColorProgramAA();
 
   scoped_ptr<TileProgram> tile_program_;
   scoped_ptr<TileProgramOpaque> tile_program_opaque_;
   scoped_ptr<TileProgramAA> tile_program_aa_;
   scoped_ptr<TileProgramSwizzle> tile_program_swizzle_;
   scoped_ptr<TileProgramSwizzleOpaque> tile_program_swizzle_opaque_;
   scoped_ptr<TileProgramSwizzleAA> tile_program_swizzle_aa_;
   scoped_ptr<TileCheckerboardProgram> tile_checkerboard_program_;
 
   scoped_ptr<RenderPassProgram> render_pass_program_;
   scoped_ptr<RenderPassProgramAA> render_pass_program_aa_;
   scoped_ptr<RenderPassMaskProgram> render_pass_mask_program_;
   scoped_ptr<RenderPassMaskProgramAA> render_pass_mask_program_aa_;
 
   scoped_ptr<TextureProgram> texture_program_;
   scoped_ptr<TextureProgramFlip> texture_program_flip_;
   scoped_ptr<TextureIOSurfaceProgram> texture_io_surface_program_;
 
   scoped_ptr<VideoYUVProgram> video_yuv_program_;
+  scoped_ptr<VideoYUVAProgram> video_yuva_program_;
   scoped_ptr<VideoStreamTextureProgram> video_stream_texture_program_;
 
   scoped_ptr<DebugBorderProgram> debug_border_program_;
   scoped_ptr<SolidColorProgram> solid_color_program_;
   scoped_ptr<SolidColorProgramAA> solid_color_program_aa_;
 
   OutputSurface* output_surface_;
   WebKit::WebGraphicsContext3D* context_;
 
   gfx::Rect swap_buffer_rect_;
@@ skipping 26 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
 
 }
 
 #endif  // CC_OUTPUT_GL_RENDERER_H_