| /* |
| * Copyright 2014 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef COBALT_RENDERER_RASTERIZER_SKIA_HARDWARE_RASTERIZER_H_ |
| #define COBALT_RENDERER_RASTERIZER_SKIA_HARDWARE_RASTERIZER_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "cobalt/render_tree/resource_provider.h" |
| #include "cobalt/renderer/backend/graphics_context.h" |
| #include "cobalt/renderer/backend/render_target.h" |
| #include "cobalt/renderer/rasterizer/rasterizer.h" |
| |
| namespace cobalt { |
| namespace renderer { |
| namespace rasterizer { |
| namespace skia { |
| |
| // This SkiaHardwareRasterizer class represents a rasterizer that will setup |
| // a Skia hardware rendering context. When Submit() is called, the passed in |
| // render tree will be rasterized using hardware-accelerated Skia. The |
| // SkiaHardwareRasterizer must be constructed on the same thread that Submit() |
| // is to be called on. |
| class SkiaHardwareRasterizer : public Rasterizer { |
| public: |
| // The passed in render target will be used to determine the dimensions of |
| // the output. The graphics context will be used to issue commands to the GPU |
| // to blit the final output to the render target. If |surface_cache_size| is |
| // non-zero, the rasterizer will set itself up with a surface cache such that |
| // expensive render tree nodes seen multiple times will get saved to offscreen |
| // surfaces. |
| explicit SkiaHardwareRasterizer(backend::GraphicsContext* graphics_context, |
| int surface_cache_size_in_bytes); |
| virtual ~SkiaHardwareRasterizer(); |
| |
| // Consume the render tree and output the results to the render target passed |
| // into the constructor. |
| void Submit(const scoped_refptr<render_tree::Node>& render_tree, |
| const scoped_refptr<backend::RenderTarget>& render_target, |
| int options) OVERRIDE; |
| |
| render_tree::ResourceProvider* GetResourceProvider() OVERRIDE; |
| |
| private: |
| class Impl; |
| scoped_ptr<Impl> impl_; |
| }; |
| |
| } // namespace skia |
| } // namespace rasterizer |
| } // namespace renderer |
| } // namespace cobalt |
| |
| #endif // COBALT_RENDERER_RASTERIZER_SKIA_HARDWARE_RASTERIZER_H_ |