| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_H_ |
| #define CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_H_ |
| |
| #include <vector> |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "content/common/content_export.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/gpu_memory_buffer.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| namespace gfx { |
| class GLImage; |
| } |
| |
| namespace gpu { |
| class ImageFactory; |
| } |
| |
| namespace content { |
| |
| class CONTENT_EXPORT GpuMemoryBufferFactory { |
| public: |
| struct Configuration { |
| gfx::GpuMemoryBuffer::Format format; |
| gfx::GpuMemoryBuffer::Usage usage; |
| }; |
| |
| virtual ~GpuMemoryBufferFactory() {} |
| |
| // Gets system supported GPU memory buffer factory types. Preferred type at |
| // the front of vector. |
| static void GetSupportedTypes(std::vector<gfx::GpuMemoryBufferType>* types); |
| |
| // Creates a new factory instance for |type|. |
| static scoped_ptr<GpuMemoryBufferFactory> Create( |
| gfx::GpuMemoryBufferType type); |
| |
| // Gets supported format/usage configurations. |
| virtual void GetSupportedGpuMemoryBufferConfigurations( |
| std::vector<Configuration>* configurations) = 0; |
| |
| // Creates a new GPU memory buffer instance. A valid handle is returned on |
| // success. It can be called on any thread. |
| virtual gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer( |
| gfx::GpuMemoryBufferId id, |
| const gfx::Size& size, |
| gfx::GpuMemoryBuffer::Format format, |
| gfx::GpuMemoryBuffer::Usage usage, |
| int client_id, |
| gfx::PluginWindowHandle surface_handle) = 0; |
| |
| // Destroys GPU memory buffer identified by |id|. |
| // It can be called on any thread. |
| virtual void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, |
| int client_id) = 0; |
| |
| // Type-checking downcast routine. |
| virtual gpu::ImageFactory* AsImageFactory() = 0; |
| |
| protected: |
| GpuMemoryBufferFactory() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactory); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_H_ |