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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 "ui/gl/gl_image.h" |
| 9 #include "ui/gl/gl_image_shared_memory.h" |
| 10 #include "ui/gl/gl_image_surface_texture.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 NOTREACHED(); |
| 24 return gfx::GpuMemoryBufferHandle(); |
| 25 } |
| 26 virtual void DestroyGpuMemoryBuffer( |
| 27 const gfx::GpuMemoryBufferHandle& handle) OVERRIDE { |
| 28 NOTREACHED(); |
| 29 } |
| 30 virtual scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer( |
| 31 const gfx::GpuMemoryBufferHandle& handle, |
| 32 const gfx::Size& size, |
| 33 unsigned internalformat, |
| 34 int client_id) OVERRIDE { |
| 35 switch (handle.type) { |
| 36 case gfx::SHARED_MEMORY_BUFFER: { |
| 37 scoped_refptr<gfx::GLImageSharedMemory> image( |
| 38 new gfx::GLImageSharedMemory(size, internalformat)); |
| 39 if (!image->Initialize(handle)) |
| 40 return NULL; |
| 41 |
| 42 return image; |
| 43 } |
| 44 case gfx::SURFACE_TEXTURE_BUFFER: { |
| 45 scoped_refptr<gfx::GLImageSurfaceTexture> image( |
| 46 new gfx::GLImageSurfaceTexture(size)); |
| 47 if (!image->Initialize(handle)) |
| 48 return NULL; |
| 49 |
| 50 return image; |
| 51 } |
| 52 default: |
| 53 NOTREACHED(); |
| 54 return scoped_refptr<gfx::GLImage>(); |
| 55 } |
| 56 } |
| 57 }; |
| 58 |
| 59 } // namespace |
| 60 |
| 61 // static |
| 62 scoped_ptr<GpuMemoryBufferFactory> GpuMemoryBufferFactory::Create() { |
| 63 return make_scoped_ptr<GpuMemoryBufferFactory>( |
| 64 new GpuMemoryBufferFactoryImpl); |
| 65 } |
| 66 |
| 67 } // namespace content |
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