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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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