src/content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.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_CLIENT_GPU_MEMORY_BUFFER_IMPL_OZONE_H_
   6 #define CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_OZONE_H_
   7
   8 #include "content/common/gpu/client/gpu_memory_buffer_impl.h"
   9
  10 namespace content {
  11
  12 // Implementation of GPU memory buffer based on Ozone native buffers.
  13 class GpuMemoryBufferImplOzoneNativeBuffer : public GpuMemoryBufferImpl {
  14  public:
  15   static void Create(gfx::GpuMemoryBufferId id,
  16                      const gfx::Size& size,
  17                      Format format,
  18                      int client_id,
  19                      const CreationCallback& callback);
  20
  21   static void AllocateForChildProcess(gfx::GpuMemoryBufferId id,
  22                                       const gfx::Size& size,
  23                                       Format format,
  24                                       int child_client_id,
  25                                       const AllocationCallback& callback);
  26
  27   static scoped_ptr<GpuMemoryBufferImpl> CreateFromHandle(
  28       const gfx::GpuMemoryBufferHandle& handle,
  29       const gfx::Size& size,
  30       Format format,
  31       const DestructionCallback& callback);
  32
  33   static void DeletedByChildProcess(gfx::GpuMemoryBufferId id,
  34                                     int child_client_id,
  35                                     uint32_t sync_point);
  36
  37   static bool IsFormatSupported(Format format);
  38   static bool IsUsageSupported(Usage usage);
  39   static bool IsConfigurationSupported(Format format, Usage usage);
  40
  41   // Overridden from gfx::GpuMemoryBuffer:
  42   void* Map() override;
  43   void Unmap() override;
  44   uint32 GetStride() const override;
  45   gfx::GpuMemoryBufferHandle GetHandle() const override;
  46
  47  private:
  48   GpuMemoryBufferImplOzoneNativeBuffer(gfx::GpuMemoryBufferId id,
  49                                        const gfx::Size& size,
  50                                        Format format,
  51                                        const DestructionCallback& callback);
  52   ~GpuMemoryBufferImplOzoneNativeBuffer() override;
  53
  54   DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferImplOzoneNativeBuffer);
  55 };
  56
  57 }  // namespace content
  58
  59 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_MEMORY_BUFFER_IMPL_OZONE_H_