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      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
     68