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 "content/common/gpu/gpu_memory_buffer_factory.h"
  14 #include "gpu/command_buffer/service/image_factory.h"
  15 #include "ui/gfx/geometry/size.h"
  16 #include "ui/gfx/gpu_memory_buffer.h"
  17
  18 namespace gfx {
  19 class GLImage;
  20 }
  21
  22 namespace content {
  23
  24 class GpuMemoryBufferFactoryIOSurface : public GpuMemoryBufferFactory,
  25                                         public gpu::ImageFactory {
  26  public:
  27   GpuMemoryBufferFactoryIOSurface();
  28   ~GpuMemoryBufferFactoryIOSurface();
  29
  30   static bool IsGpuMemoryBufferConfigurationSupported(
  31       gfx::GpuMemoryBuffer::Format format,
  32       gfx::GpuMemoryBuffer::Usage 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::GpuMemoryBuffer::Format format,
  41       gfx::GpuMemoryBuffer::Usage usage,
  42       int client_id) 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> IOSurfaceMapKey;
  57   typedef base::hash_map<IOSurfaceMapKey, base::ScopedCFTypeRef<IOSurfaceRef>>
  58       IOSurfaceMap;
  59   IOSurfaceMap io_surfaces_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactoryIOSurface);
  62 };
  63
  64 }  // namespace content
  65
  66 #endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_IO_SURFACE_H_