content/common/gpu/client/gpu_memory_buffer_impl_ozone.cc

   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 #include "content/common/gpu/client/gpu_memory_buffer_impl.h"
   6
   7 #include "content/common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h"
   8 #include "content/common/gpu/client/gpu_memory_buffer_impl_shared_memory.h"
   9
  10 namespace content {
  11
  12 // static
  13 void GpuMemoryBufferImpl::Create(const gfx::Size& size,
  14                                  unsigned internalformat,
  15                                  unsigned usage,
  16                                  int client_id,
  17                                  const CreationCallback& callback) {
  18   if (GpuMemoryBufferImplOzoneNativeBuffer::IsConfigurationSupported(
  19           internalformat, usage)) {
  20     GpuMemoryBufferImplOzoneNativeBuffer::Create(
  21         size, internalformat, usage, client_id, callback);
  22     return;
  23   }
  24
  25   if (GpuMemoryBufferImplSharedMemory::IsConfigurationSupported(
  26           size, internalformat, usage)) {
  27     GpuMemoryBufferImplSharedMemory::Create(
  28         size, internalformat, usage, callback);
  29     return;
  30   }
  31
  32   callback.Run(scoped_ptr<GpuMemoryBufferImpl>());
  33 }
  34
  35 // static
  36 void GpuMemoryBufferImpl::AllocateForChildProcess(
  37     const gfx::Size& size,
  38     unsigned internalformat,
  39     unsigned usage,
  40     base::ProcessHandle child_process,
  41     int child_client_id,
  42     const AllocationCallback& callback) {
  43   if (GpuMemoryBufferImplOzoneNativeBuffer::IsConfigurationSupported(
  44           internalformat, usage)) {
  45     GpuMemoryBufferImplOzoneNativeBuffer::AllocateForChildProcess(
  46         size, internalformat, usage, child_client_id, callback);
  47     return;
  48   }
  49   if (GpuMemoryBufferImplSharedMemory::IsConfigurationSupported(
  50           size, internalformat, usage)) {
  51     GpuMemoryBufferImplSharedMemory::AllocateForChildProcess(
  52         size, internalformat, child_process, callback);
  53     return;
  54   }
  55
  56   callback.Run(gfx::GpuMemoryBufferHandle());
  57 }
  58
  59 // static
  60 void GpuMemoryBufferImpl::DeletedByChildProcess(
  61     gfx::GpuMemoryBufferType type,
  62     const gfx::GpuMemoryBufferId& id,
  63     base::ProcessHandle child_process) {
  64 }
  65
  66 // static
  67 scoped_ptr<GpuMemoryBufferImpl> GpuMemoryBufferImpl::CreateFromHandle(
  68     const gfx::GpuMemoryBufferHandle& handle,
  69     const gfx::Size& size,
  70     unsigned internalformat,
  71     const DestructionCallback& callback) {
  72   switch (handle.type) {
  73     case gfx::SHARED_MEMORY_BUFFER:
  74       return GpuMemoryBufferImplSharedMemory::CreateFromHandle(
  75           handle, size, internalformat, callback);
  76     case gfx::OZONE_NATIVE_BUFFER:
  77       return GpuMemoryBufferImplOzoneNativeBuffer::CreateFromHandle(
  78           handle, size, internalformat, callback);
  79     default:
  80       return scoped_ptr<GpuMemoryBufferImpl>();
  81   }
  82 }
  83
  84 }  // namespace content