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(
  30       gfx::GpuMemoryBuffer::Format format,
  31       gfx::GpuMemoryBuffer::Usage usage);
  32
  33   // Overridden from GpuMemoryBufferFactory:
  34   void GetSupportedGpuMemoryBufferConfigurations(
  35       std::vector<Configuration>* configurations) override;
  36   gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
  37       gfx::GpuMemoryBufferId id,
  38       const gfx::Size& size,
  39       gfx::GpuMemoryBuffer::Format format,
  40       gfx::GpuMemoryBuffer::Usage usage,
  41       int client_id,
  42       gfx::PluginWindowHandle surface_handle) override;
  43   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
  44                               int client_id) override;
  45   gpu::ImageFactory* AsImageFactory() override;
  46
  47   // Overridden from gpu::ImageFactory:
  48   scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
  49       const gfx::GpuMemoryBufferHandle& handle,
  50       const gfx::Size& size,
  51       gfx::GpuMemoryBuffer::Format format,
  52       unsigned internalformat,
  53       int client_id) override;
  54
  55  private:
  56   typedef std::pair<int, int> SurfaceTextureMapKey;
  57   typedef base::hash_map<SurfaceTextureMapKey,
  58                          scoped_refptr<gfx::SurfaceTexture>> SurfaceTextureMap;
  59   SurfaceTextureMap surface_textures_;
  60   base::Lock surface_textures_lock_;
  61 };
  62
  63 }  // namespace content
  64
  65 #endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_SURFACE_TEXTURE_H_