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.
5 #include "content/common/gpu/client/gpu_memory_buffer_impl.h"
7 #include "content/common/gpu/client/gpu_memory_buffer_impl_shm.h"
8 #include "content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h"
13 scoped_ptr
<GpuMemoryBufferImpl
> GpuMemoryBufferImpl::Create(
14 const gfx::Size
& size
,
15 unsigned internalformat
,
17 if (GpuMemoryBufferImplShm::IsConfigurationSupported(
18 size
, internalformat
, usage
)) {
19 scoped_ptr
<GpuMemoryBufferImplShm
> buffer(
20 new GpuMemoryBufferImplShm(size
, internalformat
));
21 if (!buffer
->Initialize())
22 return scoped_ptr
<GpuMemoryBufferImpl
>();
24 return buffer
.PassAs
<GpuMemoryBufferImpl
>();
27 return scoped_ptr
<GpuMemoryBufferImpl
>();
31 void GpuMemoryBufferImpl::AllocateForChildProcess(
32 const gfx::Size
& size
,
33 unsigned internalformat
,
35 base::ProcessHandle child_process
,
36 const AllocationCallback
& callback
) {
37 if (GpuMemoryBufferImplShm::IsConfigurationSupported(
38 size
, internalformat
, usage
)) {
39 GpuMemoryBufferImplShm::AllocateSharedMemoryForChildProcess(
40 size
, internalformat
, child_process
, callback
);
44 callback
.Run(gfx::GpuMemoryBufferHandle());
48 scoped_ptr
<GpuMemoryBufferImpl
> GpuMemoryBufferImpl::CreateFromHandle(
49 gfx::GpuMemoryBufferHandle handle
,
50 const gfx::Size
& size
,
51 unsigned internalformat
) {
52 switch (handle
.type
) {
53 case gfx::SHARED_MEMORY_BUFFER
: {
54 scoped_ptr
<GpuMemoryBufferImplShm
> buffer(
55 new GpuMemoryBufferImplShm(size
, internalformat
));
56 if (!buffer
->InitializeFromHandle(handle
))
57 return scoped_ptr
<GpuMemoryBufferImpl
>();
59 return buffer
.PassAs
<GpuMemoryBufferImpl
>();
61 case gfx::SURFACE_TEXTURE_BUFFER
: {
62 scoped_ptr
<GpuMemoryBufferImplSurfaceTexture
> buffer(
63 new GpuMemoryBufferImplSurfaceTexture(size
, internalformat
));
64 if (!buffer
->InitializeFromHandle(handle
))
65 return scoped_ptr
<GpuMemoryBufferImpl
>();
67 return buffer
.PassAs
<GpuMemoryBufferImpl
>();
70 return scoped_ptr
<GpuMemoryBufferImpl
>();
74 } // namespace content