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/IOSurface.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(gfx::BufferFormat format,
  32                                                       gfx::BufferUsage usage);
  33
  34   // Overridden from GpuMemoryBufferFactory:
  35   void GetSupportedGpuMemoryBufferConfigurations(
  36       std::vector<Configuration>* configurations) override;
  37   gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
  38       gfx::GpuMemoryBufferId id,
  39       const gfx::Size& size,
  40       gfx::BufferFormat format,
  41       gfx::BufferUsage usage,
  42       int client_id,
  43       gfx::PluginWindowHandle surface_handle) override;
  44   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
  45                               int client_id) override;
  46   gpu::ImageFactory* AsImageFactory() override;
  47
  48   // Overridden from gpu::ImageFactory:
  49   scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer(
  50       const gfx::GpuMemoryBufferHandle& handle,
  51       const gfx::Size& size,
  52       gfx::BufferFormat format,
  53       unsigned internalformat,
  54       int client_id) override;
  55
  56  private:
  57   typedef std::pair<int, int> IOSurfaceMapKey;
  58   typedef base::hash_map<IOSurfaceMapKey, base::ScopedCFTypeRef<IOSurfaceRef>>
  59       IOSurfaceMap;
  60   IOSurfaceMap io_surfaces_;
  61   base::Lock io_surfaces_lock_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactoryIOSurface);
  64 };
  65
  66 }  // namespace content
  67
  68 #endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_IO_SURFACE_H_