WebGL: GL_RGB emulation for IOSurface backed textures. [For reference only]

content/common/gpu/media/avda_codec_image.h

 // Copyright 2015 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 CONTENT_COMMON_GPU_MEDIA_AVDA_CODEC_IMAGE_H_
 #define CONTENT_COMMON_GPU_MEDIA_AVDA_CODEC_IMAGE_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 30 matching lines @@
                        const gfx::Point& offset,
                        const gfx::Rect& rect) override;
   bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                             int z_order,
                             gfx::OverlayTransform transform,
                             const gfx::Rect& bounds_rect,
                             const gfx::RectF& crop_rect) override;
   void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
                     uint64_t process_tracing_id,
                     const std::string& dump_name) override;
+  bool EmulatingRGB() const override;
   // gpu::gles2::GLStreamTextureMatrix implementation
   void GetTextureMatrix(float xform[16]) override;
 
  public:
   // Decoded buffer index that has the image for us to display.
   void SetMediaCodecBufferIndex(int buffer_index);
 
   // Return the codec buffer that we will return to the codec, or
   // <0 if there is no such buffer.
   int GetMediaCodecBufferIndex() const;
@@ skipping 62 matching lines @@
 
   // Texture matrix of the front buffer of the surface texture.
   float gl_matrix_[16];
 
   DISALLOW_COPY_AND_ASSIGN(AVDACodecImage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_AVDA_CODEC_IMAGE_H_