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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "gpu/command_buffer/service/image_manager.h" | 5 #include "gpu/command_buffer/service/image_manager.h" |
6 | 6 |
7 #include "ui/gl/gl_image.h" | 7 #include "ui/gl/gl_image.h" |
8 | 8 |
9 namespace gpu { | 9 namespace gpu { |
10 namespace gles2 { | 10 namespace gles2 { |
11 | 11 |
12 ImageManager::ImageManager() : release_after_use_(false) { | 12 ImageManager::ImageManager() : release_after_use_(false) { |
13 } | 13 } |
14 | 14 |
15 ImageManager::~ImageManager() { | 15 ImageManager::~ImageManager() { |
16 } | 16 } |
17 | 17 |
18 void ImageManager::Destroy(bool have_context) { | |
19 for (GLImageMap::const_iterator iter = gl_images_.begin(); | |
20 iter != gl_images_.end(); | |
21 ++iter) | |
22 iter->second.get()->Destroy(have_context); | |
23 gl_images_.clear(); | |
24 } | |
25 | |
18 void ImageManager::RegisterGpuMemoryBuffer(int32 id, | 26 void ImageManager::RegisterGpuMemoryBuffer(int32 id, |
19 gfx::GpuMemoryBufferHandle buffer, | 27 gfx::GpuMemoryBufferHandle buffer, |
20 size_t width, | 28 size_t width, |
21 size_t height, | 29 size_t height, |
22 unsigned internalformat) { | 30 unsigned internalformat) { |
23 if (id <= 0) { | 31 if (id <= 0) { |
24 DVLOG(0) << "Cannot register GPU memory buffer with non-positive ID."; | 32 DVLOG(0) << "Cannot register GPU memory buffer with non-positive ID."; |
25 return; | 33 return; |
26 } | 34 } |
27 | 35 |
28 if (LookupImage(id)) { | 36 if (LookupImage(id)) { |
29 DVLOG(0) << "GPU memory buffer ID already in use."; | 37 DVLOG(0) << "GPU memory buffer ID already in use."; |
30 return; | 38 return; |
31 } | 39 } |
32 | 40 |
33 scoped_refptr<gfx::GLImage> gl_image = | 41 scoped_refptr<gfx::GLImage> gl_image = |
34 gfx::GLImage::CreateGLImageForGpuMemoryBuffer(buffer, | 42 gfx::GLImage::CreateGLImageForGpuMemoryBuffer(buffer, |
35 gfx::Size(width, height), | 43 gfx::Size(width, height), |
36 internalformat); | 44 internalformat); |
37 if (!gl_image) | 45 if (!gl_image) |
38 return; | 46 return; |
39 | 47 |
40 if (release_after_use_) | 48 if (release_after_use_) |
41 gl_image->SetReleaseAfterUse(); | 49 gl_image->SetReleaseAfterUse(); |
42 | 50 |
43 AddImage(gl_image.get(), id); | 51 AddImage(gl_image.get(), id); |
44 } | 52 } |
45 | 53 |
46 void ImageManager::UnregisterGpuMemoryBuffer(int32 id) { | 54 void ImageManager::UnregisterGpuMemoryBuffer(int32 id) { |
55 gfx::GLImage* image = LookupImage(id); | |
56 DCHECK(image); | |
reveman
2014/06/03 13:57:39
What's preventing a malicous renderer from using a
sohanjg
2014/06/03 15:09:20
Done.
| |
57 image->Destroy(true); | |
47 RemoveImage(id); | 58 RemoveImage(id); |
48 } | 59 } |
49 | 60 |
50 void ImageManager::AddImage(gfx::GLImage* image, int32 service_id) { | 61 void ImageManager::AddImage(gfx::GLImage* image, int32 service_id) { |
51 gl_images_[service_id] = image; | 62 gl_images_[service_id] = image; |
52 } | 63 } |
53 | 64 |
54 void ImageManager::RemoveImage(int32 service_id) { | 65 void ImageManager::RemoveImage(int32 service_id) { |
55 gl_images_.erase(service_id); | 66 gl_images_.erase(service_id); |
56 } | 67 } |
57 | 68 |
58 gfx::GLImage* ImageManager::LookupImage(int32 service_id) { | 69 gfx::GLImage* ImageManager::LookupImage(int32 service_id) { |
59 GLImageMap::const_iterator iter = gl_images_.find(service_id); | 70 GLImageMap::const_iterator iter = gl_images_.find(service_id); |
60 if (iter != gl_images_.end()) | 71 if (iter != gl_images_.end()) |
61 return iter->second.get(); | 72 return iter->second.get(); |
62 | 73 |
63 return NULL; | 74 return NULL; |
64 } | 75 } |
65 | 76 |
66 void ImageManager::SetReleaseAfterUse() { | 77 void ImageManager::SetReleaseAfterUse() { |
67 release_after_use_ = true; | 78 release_after_use_ = true; |
68 } | 79 } |
69 | 80 |
70 } // namespace gles2 | 81 } // namespace gles2 |
71 } // namespace gpu | 82 } // namespace gpu |
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