| // 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 GPU_COMMAND_BUFFER_SERVICE_IMAGE_FACTORY_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_IMAGE_FACTORY_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "gpu/gpu_export.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/gpu_memory_buffer.h" |
| |
| namespace gfx { |
| class GLImage; |
| } |
| |
| namespace gpu { |
| struct Capabilities; |
| |
| class GPU_EXPORT ImageFactory { |
| public: |
| ImageFactory(); |
| |
| // Returns a valid GpuMemoryBuffer format given a valid internalformat as |
| // defined by CHROMIUM_gpu_memory_buffer_image. |
| static gfx::GpuMemoryBuffer::Format ImageFormatToGpuMemoryBufferFormat( |
| unsigned internalformat); |
| |
| // Returns a valid GpuMemoryBuffer usage given a valid usage as defined by |
| // CHROMIUM_gpu_memory_buffer_image. |
| static gfx::GpuMemoryBuffer::Usage ImageUsageToGpuMemoryBufferUsage( |
| unsigned usage); |
| |
| // Returns true if |internalformat| is compatible with |format|. |
| static bool IsImageFormatCompatibleWithGpuMemoryBufferFormat( |
| unsigned internalformat, |
| gfx::GpuMemoryBuffer::Format format); |
| |
| // Returns true if |format| is supported by |capabilities|. |
| static bool IsGpuMemoryBufferFormatSupported( |
| gfx::GpuMemoryBuffer::Format format, |
| const Capabilities& capabilities); |
| |
| // Returns true if |size| is valid for |format|. |
| static bool IsImageSizeValidForGpuMemoryBufferFormat( |
| const gfx::Size& size, |
| gfx::GpuMemoryBuffer::Format format); |
| |
| // Creates a GLImage instance for GPU memory buffer identified by |handle|. |
| // |client_id| should be set to the client requesting the creation of instance |
| // and can be used by factory implementation to verify access rights. |
| virtual scoped_refptr<gfx::GLImage> CreateImageForGpuMemoryBuffer( |
| const gfx::GpuMemoryBufferHandle& handle, |
| const gfx::Size& size, |
| gfx::GpuMemoryBuffer::Format format, |
| unsigned internalformat, |
| int client_id) = 0; |
| |
| protected: |
| virtual ~ImageFactory(); |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_IMAGE_FACTORY_H_ |