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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.h" | |
6 | |
7 #include "../client/gles2_implementation.h" | |
8 #include "../client/gpu_memory_buffer.h" | |
9 #include "../client/image_factory.h" | |
10 #include "base/memory/scoped_ptr.h" | |
11 | |
12 namespace gpu { | |
13 namespace gles2 { | |
14 | |
15 GpuMemoryBufferTracker::GpuMemoryBufferTracker(ImageFactory* factory) | |
16 : buffers_(), | |
17 factory_(factory) { | |
18 } | |
19 | |
20 GpuMemoryBufferTracker::~GpuMemoryBufferTracker() { | |
21 while (!buffers_.empty()) { | |
22 RemoveBuffer(buffers_.begin()->first); | |
23 } | |
24 } | |
25 | |
26 GLuint GpuMemoryBufferTracker::CreateBuffer( | |
27 GLsizei width, GLsizei height, GLenum internalformat) { | |
28 GLuint image_id = 0; | |
no sievers
2013/05/14 21:10:03
Maybe this should check for factory_ being NULL in
kaanb
2013/05/14 23:37:09
Done.
| |
29 scoped_ptr<GpuMemoryBuffer> buffer = | |
30 factory_->CreateGpuMemoryBuffer(width, height, internalformat, &image_id); | |
31 | |
32 std::pair<BufferMap::iterator, bool> result = | |
33 buffers_.insert(std::make_pair(image_id, buffer.release())); | |
34 GPU_DCHECK(result.second); | |
35 | |
36 return image_id; | |
37 } | |
38 | |
39 GpuMemoryBuffer* GpuMemoryBufferTracker::GetBuffer(GLuint image_id) { | |
40 BufferMap::iterator it = buffers_.find(image_id); | |
41 return (it != buffers_.end()) ? it->second : NULL; | |
42 } | |
43 | |
44 void GpuMemoryBufferTracker::RemoveBuffer(GLuint image_id) { | |
45 BufferMap::iterator buffer_it = buffers_.find(image_id); | |
46 if (buffer_it != buffers_.end()) { | |
47 GpuMemoryBuffer* buffer = buffer_it->second; | |
48 buffers_.erase(buffer_it); | |
49 delete buffer; | |
50 } | |
51 factory_->DeleteGpuMemoryBuffer(image_id); | |
52 } | |
53 | |
54 } // namespace gles2 | |
55 } // namespace gpu | |
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