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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 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 "webkit/renderer/compositor_bindings/web_external_bitmap_impl.h" | 5 #include "webkit/renderer/compositor_bindings/web_external_bitmap_impl.h" |
| 6 | 6 |
| 7 #include "base/memory/shared_memory.h" | 7 #include "base/memory/shared_memory.h" |
| 8 | 8 |
| 9 namespace webkit { | 9 namespace webkit { |
| 10 | 10 |
| 11 namespace { | 11 namespace { |
| 12 | 12 |
| 13 SharedMemoryAllocationFunction g_memory_allocator; | 13 SharedMemoryAllocationFunction g_memory_allocator; |
| 14 | 14 |
| 15 } // namespace | 15 } // namespace |
| 16 | 16 |
| 17 void SetSharedMemoryAllocationFunction( | 17 void SetSharedMemoryAllocationFunction( |
| 18 SharedMemoryAllocationFunction allocator) { | 18 SharedMemoryAllocationFunction allocator) { |
| 19 g_memory_allocator = allocator; | 19 g_memory_allocator = allocator; |
| 20 } | 20 } |
| 21 | 21 |
| 22 WebExternalBitmapImpl::WebExternalBitmapImpl() {} | 22 WebExternalBitmapImpl::WebExternalBitmapImpl() {} |
| 23 | 23 |
| 24 WebExternalBitmapImpl::~WebExternalBitmapImpl() {} | 24 WebExternalBitmapImpl::~WebExternalBitmapImpl() {} |
| 25 | 25 |
| 26 void WebExternalBitmapImpl::setSize(WebKit::WebSize size) { | 26 void WebExternalBitmapImpl::setSize(blink::WebSize size) { |
| 27 if (size != size_) { | 27 if (size != size_) { |
| 28 size_t byte_size = size.width * size.height * 4; | 28 size_t byte_size = size.width * size.height * 4; |
| 29 shared_memory_ = g_memory_allocator(byte_size); | 29 shared_memory_ = g_memory_allocator(byte_size); |
| 30 if (shared_memory_) | 30 if (shared_memory_) |
| 31 shared_memory_->Map(byte_size); | 31 shared_memory_->Map(byte_size); |
| 32 size_ = size; | 32 size_ = size; |
| 33 } | 33 } |
| 34 } | 34 } |
| 35 | 35 |
| 36 WebKit::WebSize WebExternalBitmapImpl::size() { | 36 blink::WebSize WebExternalBitmapImpl::size() { |
| 37 return size_; | 37 return size_; |
| 38 } | 38 } |
| 39 | 39 |
| 40 uint8* WebExternalBitmapImpl::pixels() { | 40 uint8* WebExternalBitmapImpl::pixels() { |
| 41 return static_cast<uint8*>(shared_memory_->memory()); | 41 return static_cast<uint8*>(shared_memory_->memory()); |
| 42 } | 42 } |
| 43 | 43 |
| 44 } // namespace webkit | 44 } // namespace webkit |
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