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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gl/gl_image_shared_memory.h" | 5 #include "ui/gl/gl_image_shared_memory.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/process/process_handle.h" | 8 #include "base/process/process_handle.h" |
9 | 9 |
10 namespace gfx { | 10 namespace gfx { |
11 | 11 |
12 GLImageSharedMemory::GLImageSharedMemory(const gfx::Size& size, | 12 GLImageSharedMemory::GLImageSharedMemory(const gfx::Size& size, |
13 unsigned internalformat) | 13 unsigned internalformat) |
14 : GLImageMemory(size, internalformat) { | 14 : GLImageMemory(size, internalformat) { |
15 } | 15 } |
16 | 16 |
17 GLImageSharedMemory::~GLImageSharedMemory() { | 17 GLImageSharedMemory::~GLImageSharedMemory() { |
18 Destroy(); | 18 DCHECK(!shared_memory_); |
19 } | 19 } |
20 | 20 |
21 bool GLImageSharedMemory::Initialize(const gfx::GpuMemoryBufferHandle& handle) { | 21 bool GLImageSharedMemory::Initialize(const gfx::GpuMemoryBufferHandle& handle) { |
22 if (!HasValidFormat()) | 22 if (!HasValidFormat()) |
23 return false; | 23 return false; |
24 | 24 |
25 if (!base::SharedMemory::IsHandleValid(handle.handle)) | 25 if (!base::SharedMemory::IsHandleValid(handle.handle)) |
26 return false; | 26 return false; |
27 | 27 |
28 base::SharedMemory shared_memory(handle.handle, true); | 28 base::SharedMemory shared_memory(handle.handle, true); |
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43 return false; | 43 return false; |
44 } | 44 } |
45 | 45 |
46 DCHECK(!shared_memory_); | 46 DCHECK(!shared_memory_); |
47 shared_memory_ = duped_shared_memory.Pass(); | 47 shared_memory_ = duped_shared_memory.Pass(); |
48 GLImageMemory::Initialize( | 48 GLImageMemory::Initialize( |
49 static_cast<unsigned char*>(shared_memory_->memory())); | 49 static_cast<unsigned char*>(shared_memory_->memory())); |
50 return true; | 50 return true; |
51 } | 51 } |
52 | 52 |
53 void GLImageSharedMemory::Destroy() { | 53 void GLImageSharedMemory::Destroy(bool have_context) { |
54 GLImageMemory::Destroy(); | 54 GLImageMemory::Destroy(have_context); |
55 shared_memory_.reset(); | 55 shared_memory_.reset(); |
56 } | 56 } |
57 | 57 |
58 } // namespace gfx | 58 } // namespace gfx |
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