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| 1 // Copyright (c) 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 "../client/gpu_memory_buffer_tracker_in_process.h" |
| 6 |
| 7 #include "../client/gpu_memory_buffer_factory.h" |
| 8 |
| 9 namespace gpu { |
| 10 namespace gles2 { |
| 11 |
| 12 GpuMemoryBufferTrackerInProcess::GpuMemoryBufferTrackerInProcess( |
| 13 GpuMemoryBufferFactory* factory) |
| 14 : buffers_(), |
| 15 factory_(factory) { |
| 16 } |
| 17 |
| 18 GpuMemoryBufferTrackerInProcess::~GpuMemoryBufferTrackerInProcess() { |
| 19 while (!buffers_.empty()) { |
| 20 RemoveBuffer(buffers_.begin()->first); |
| 21 } |
| 22 } |
| 23 |
| 24 GLuint GpuMemoryBufferTrackerInProcess::CreateBuffer(GLsizei width, |
| 25 GLsizei height) { |
| 26 GLuint image_id = 0; |
| 27 scoped_ptr<GpuMemoryBuffer> buffer = |
| 28 factory_->CreateGpuMemoryBuffer(width, height, &image_id); |
| 29 |
| 30 std::pair<BufferMap::iterator, bool> result = |
| 31 buffers_.insert(std::make_pair(image_id, buffer.release())); |
| 32 GPU_DCHECK(result.second); |
| 33 |
| 34 return image_id; |
| 35 } |
| 36 |
| 37 GpuMemoryBuffer* GpuMemoryBufferTrackerInProcess::GetBuffer(GLuint image_id) { |
| 38 BufferMap::iterator it = buffers_.find(image_id); |
| 39 return (it != buffers_.end()) ? it->second : NULL; |
| 40 } |
| 41 |
| 42 void GpuMemoryBufferTrackerInProcess::RemoveBuffer(GLuint image_id) { |
| 43 BufferMap::iterator buffer_it = buffers_.find(image_id); |
| 44 if (buffer_it != buffers_.end()) { |
| 45 GpuMemoryBuffer* buffer = buffer_it->second; |
| 46 buffers_.erase(buffer_it); |
| 47 delete buffer; |
| 48 } |
| 49 } |
| 50 |
| 51 } // namespace gles2 |
| 52 } // namespace gpu |
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