content/common/gpu/gpu_memory_buffer_factory_surface_texture.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_SURFACE_TEXTURE_H_
   6 #define CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_SURFACE_TEXTURE_H_
   7
   8 #include "base/containers/hash_tables.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/synchronization/lock.h"
  11 #include "content/common/gpu/gpu_memory_buffer_factory.h"
  12 #include "gpu/command_buffer/service/image_factory.h"
  13 #include "ui/gfx/geometry/size.h"
  14 #include "ui/gfx/gpu_memory_buffer.h"
  15
  16 namespace gfx {
  17 class GLImage;
  18 class SurfaceTexture;
  19 }
  20
  21 namespace content {
  22
  23 class GpuMemoryBufferFactorySurfaceTexture : public GpuMemoryBufferFactory,
  24                                              public gpu::ImageFactory {
  25  public:
  26   GpuMemoryBufferFactorySurfaceTexture();
  27   ~GpuMemoryBufferFactorySurfaceTexture() override;
  28
  29   static bool IsGpuMemoryBufferConfigurationSupported(gfx::BufferFormat format,
  30                                                       gfx::BufferUsage usage);
  31
  32   // Overridden from GpuMemoryBufferFactory:
  33   void GetSupportedGpuMemoryBufferConfigurations(
  34       std::vector<Configuration>* configurations) override;
  35   gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
  36       gfx::GpuMemoryBufferId id,
  37       const gfx::Size& size,
  38       gfx::BufferFormat format,
  39       gfx::BufferUsage usage,
  40       int client_id,
  41       gfx::PluginWindowHandle surface_handle) override;
  42   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
  43                               int client_id) override;
  44   gpu::ImageFactory* AsImageFactory() override;
  45
  46   // Overridden from gpu::ImageFactory:
  47   scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
  48       const gfx::GpuMemoryBufferHandle& handle,
  49       const gfx::Size& size,
  50       gfx::BufferFormat format,
  51       unsigned internalformat,
  52       int client_id) override;
  53
  54  private:
  55   typedef std::pair<int, int> SurfaceTextureMapKey;
  56   typedef base::hash_map<SurfaceTextureMapKey,
  57                          scoped_refptr<gfx::SurfaceTexture>> SurfaceTextureMap;
  58   SurfaceTextureMap surface_textures_;
  59   base::Lock surface_textures_lock_;
  60 };
  61
  62 }  // namespace content
  63
  64 #endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_SURFACE_TEXTURE_H_