src/content/common/gpu/client/gpu_memory_buffer_impl_win.cc

   1 // Copyright 2013 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_shared_memory.h"
   8
   9 namespace content {
  10
  11 // static
  12 void GpuMemoryBufferImpl::Create(const gfx::Size& size,
  13                                  unsigned internalformat,
  14                                  unsigned usage,
  15                                  int client_id,
  16                                  const CreationCallback& callback) {
  17   if (GpuMemoryBufferImplSharedMemory::IsConfigurationSupported(
  18           size, internalformat, usage)) {
  19     GpuMemoryBufferImplSharedMemory::Create(
  20         size, internalformat, usage, callback);
  21     return;
  22   }
  23
  24   callback.Run(scoped_ptr<GpuMemoryBufferImpl>());
  25 }
  26
  27 // static
  28 void GpuMemoryBufferImpl::AllocateForChildProcess(
  29     const gfx::Size& size,
  30     unsigned internalformat,
  31     unsigned usage,
  32     base::ProcessHandle child_process,
  33     int child_client_id,
  34     const AllocationCallback& callback) {
  35   if (GpuMemoryBufferImplSharedMemory::IsConfigurationSupported(
  36           size, internalformat, usage)) {
  37     GpuMemoryBufferImplSharedMemory::AllocateForChildProcess(
  38         size, internalformat, child_process, callback);
  39     return;
  40   }
  41
  42   callback.Run(gfx::GpuMemoryBufferHandle());
  43 }
  44
  45 // static
  46 void GpuMemoryBufferImpl::DeletedByChildProcess(
  47     gfx::GpuMemoryBufferType type,
  48     const gfx::GpuMemoryBufferId& id,
  49     base::ProcessHandle child_process) {
  50 }
  51
  52 // static
  53 scoped_ptr<GpuMemoryBufferImpl> GpuMemoryBufferImpl::CreateFromHandle(
  54     const gfx::GpuMemoryBufferHandle& handle,
  55     const gfx::Size& size,
  56     unsigned internalformat,
  57     const DestructionCallback& callback) {
  58   switch (handle.type) {
  59     case gfx::SHARED_MEMORY_BUFFER:
  60       return GpuMemoryBufferImplSharedMemory::CreateFromHandle(
  61           handle, size, internalformat, callback);
  62     default:
  63       return scoped_ptr<GpuMemoryBufferImpl>();
  64   }
  65 }
  66
  67 }  // namespace content