content/common/gpu/gpu_memory_buffer_factory_io_surface.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_IO_SURFACE_H_
   6 #define CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_IO_SURFACE_H_
   7
   8 #include <IOSurface/IOSurfaceAPI.h>
   9
  10 #include "base/containers/hash_tables.h"
  11 #include "base/mac/scoped_cftyperef.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "base/synchronization/lock.h"
  14 #include "content/common/gpu/gpu_memory_buffer_factory.h"
  15 #include "gpu/command_buffer/service/image_factory.h"
  16 #include "ui/gfx/geometry/size.h"
  17 #include "ui/gfx/gpu_memory_buffer.h"
  18
  19 namespace gfx {
  20 class GLImage;
  21 }
  22
  23 namespace content {
  24
  25 class GpuMemoryBufferFactoryIOSurface : public GpuMemoryBufferFactory,
  26                                         public gpu::ImageFactory {
  27  public:
  28   GpuMemoryBufferFactoryIOSurface();
  29   ~GpuMemoryBufferFactoryIOSurface() override;
  30
  31   static bool IsGpuMemoryBufferConfigurationSupported(
  32       gfx::GpuMemoryBuffer::Format format,
  33       gfx::GpuMemoryBuffer::Usage usage);
  34
  35   // Overridden from GpuMemoryBufferFactory:
  36   void GetSupportedGpuMemoryBufferConfigurations(
  37       std::vector<Configuration>* configurations) override;
  38   gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
  39       gfx::GpuMemoryBufferId id,
  40       const gfx::Size& size,
  41       gfx::GpuMemoryBuffer::Format format,
  42       gfx::GpuMemoryBuffer::Usage usage,
  43       int client_id,
  44       gfx::PluginWindowHandle surface_handle) override;
  45   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
  46                               int client_id) override;
  47   gpu::ImageFactory* AsImageFactory() override;
  48
  49   // Overridden from gpu::ImageFactory:
  50   scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
  51       const gfx::GpuMemoryBufferHandle& handle,
  52       const gfx::Size& size,
  53       gfx::GpuMemoryBuffer::Format format,
  54       unsigned internalformat,
  55       int client_id) override;
  56
  57  private:
  58   typedef std::pair<int, int> IOSurfaceMapKey;
  59   typedef base::hash_map<IOSurfaceMapKey, base::ScopedCFTypeRef<IOSurfaceRef>>
  60       IOSurfaceMap;
  61   IOSurfaceMap io_surfaces_;
  62   base::Lock io_surfaces_lock_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactoryIOSurface);
  65 };
  66
  67 }  // namespace content
  68
  69 #endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_IO_SURFACE_H_