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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/common/gpu/gpu_memory_buffer_factory.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "content/common/gpu/gpu_memory_buffer_factory_x11_pixmap.h" | |
9 #include "gpu/command_buffer/service/image_factory.h" | |
10 #include "ui/gl/gl_image.h" | |
11 #include "ui/gl/gl_image_shared_memory.h" | |
12 | |
13 namespace content { | |
14 namespace { | |
15 | |
16 class GpuMemoryBufferFactoryImpl : public GpuMemoryBufferFactory, | |
17 public gpu::ImageFactory { | |
18 public: | |
19 // Overridden from GpuMemoryBufferFactory: | |
20 gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer( | |
21 const gfx::GpuMemoryBufferHandle& handle, | |
22 const gfx::Size& size, | |
23 gfx::GpuMemoryBuffer::Format format, | |
24 gfx::GpuMemoryBuffer::Usage usage) override { | |
25 switch (handle.type) { | |
26 case gfx::X11_PIXMAP_BUFFER: | |
27 x11_pixmap_factory_.CreateGpuMemoryBuffer(handle.global_id, | |
28 handle.pixmap); | |
29 return handle; | |
30 default: | |
31 NOTREACHED(); | |
32 return gfx::GpuMemoryBufferHandle(); | |
33 } | |
34 } | |
35 void DestroyGpuMemoryBuffer( | |
36 const gfx::GpuMemoryBufferHandle& handle) override { | |
37 switch (handle.type) { | |
38 case gfx::X11_PIXMAP_BUFFER: | |
39 x11_pixmap_factory_.DestroyGpuMemoryBuffer(handle.global_id); | |
40 break; | |
41 default: | |
42 NOTREACHED(); | |
43 break; | |
44 } | |
45 } | |
46 gpu::ImageFactory* AsImageFactory() override { return this; } | |
47 | |
48 // Overridden from gpu::GpuMemoryBufferFactory: | |
49 scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer( | |
50 const gfx::GpuMemoryBufferHandle& handle, | |
51 const gfx::Size& size, | |
52 gfx::GpuMemoryBuffer::Format format, | |
53 unsigned internalformat, | |
54 int client_id) override { | |
55 switch (handle.type) { | |
56 case gfx::SHARED_MEMORY_BUFFER: { | |
57 scoped_refptr<gfx::GLImageSharedMemory> image( | |
58 new gfx::GLImageSharedMemory(size, internalformat)); | |
59 if (!image->Initialize(handle, format)) | |
60 return NULL; | |
61 | |
62 return image; | |
63 } | |
64 case gfx::X11_PIXMAP_BUFFER: | |
65 // Verify that client is the owner of the buffer we're about to use. | |
66 if (handle.global_id.secondary_id != client_id) | |
67 return scoped_refptr<gfx::GLImage>(); | |
68 | |
69 return x11_pixmap_factory_.CreateImageForGpuMemoryBuffer( | |
70 handle.global_id, size, internalformat); | |
71 default: | |
72 NOTREACHED(); | |
73 return scoped_refptr<gfx::GLImage>(); | |
74 } | |
75 } | |
76 | |
77 private: | |
78 GpuMemoryBufferFactoryX11Pixmap x11_pixmap_factory_; | |
79 }; | |
80 | |
81 } // namespace | |
82 | |
83 // static | |
84 scoped_ptr<GpuMemoryBufferFactory> GpuMemoryBufferFactory::Create() { | |
85 return make_scoped_ptr<GpuMemoryBufferFactory>( | |
86 new GpuMemoryBufferFactoryImpl); | |
87 } | |
88 | |
89 } // namespace content | |
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