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