| // Copyright 2012 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 CC_OUTPUT_SOFTWARE_RENDERER_H_ |
| #define CC_OUTPUT_SOFTWARE_RENDERER_H_ |
| |
| #include "base/macros.h" |
| #include "cc/cc_export.h" |
| #include "cc/output/direct_renderer.h" |
| #include "ui/latency/latency_info.h" |
| |
| namespace cc { |
| class DebugBorderDrawQuad; |
| class OutputSurface; |
| class PictureDrawQuad; |
| class RenderPassDrawQuad; |
| class DisplayResourceProvider; |
| class SoftwareOutputDevice; |
| class SolidColorDrawQuad; |
| class TextureDrawQuad; |
| class TileDrawQuad; |
| |
| class CC_EXPORT SoftwareRenderer : public DirectRenderer { |
| public: |
| SoftwareRenderer(const viz::RendererSettings* settings, |
| OutputSurface* output_surface, |
| DisplayResourceProvider* resource_provider); |
| |
| ~SoftwareRenderer() override; |
| |
| void SwapBuffers(std::vector<ui::LatencyInfo> latency_info) override; |
| |
| void SetDisablePictureQuadImageFiltering(bool disable) { |
| disable_picture_quad_image_filtering_ = disable; |
| } |
| |
| protected: |
| bool CanPartialSwap() override; |
| viz::ResourceFormat BackbufferFormat() const override; |
| void BindFramebufferToOutputSurface() override; |
| bool BindFramebufferToTexture(const ScopedResource* texture) override; |
| void SetScissorTestRect(const gfx::Rect& scissor_rect) override; |
| void PrepareSurfaceForPass(SurfaceInitializationMode initialization_mode, |
| const gfx::Rect& render_pass_scissor) override; |
| void DoDrawQuad(const DrawQuad* quad, const gfx::QuadF* draw_region) override; |
| void BeginDrawingFrame() override; |
| void FinishDrawingFrame() override; |
| bool FlippedFramebuffer() const override; |
| void EnsureScissorTestEnabled() override; |
| void EnsureScissorTestDisabled() override; |
| void CopyDrawnRenderPass( |
| std::unique_ptr<viz::CopyOutputRequest> request) override; |
| void SetEnableDCLayers(bool enable) override; |
| void DidChangeVisibility() override; |
| |
| private: |
| void ClearCanvas(SkColor color); |
| void ClearFramebuffer(); |
| void SetClipRect(const gfx::Rect& rect); |
| bool IsSoftwareResource(viz::ResourceId resource_id) const; |
| |
| void DrawDebugBorderQuad(const DebugBorderDrawQuad* quad); |
| void DrawPictureQuad(const PictureDrawQuad* quad); |
| void DrawRenderPassQuad(const RenderPassDrawQuad* quad); |
| void DrawSolidColorQuad(const SolidColorDrawQuad* quad); |
| void DrawTextureQuad(const TextureDrawQuad* quad); |
| void DrawTileQuad(const TileDrawQuad* quad); |
| void DrawUnsupportedQuad(const DrawQuad* quad); |
| bool ShouldApplyBackgroundFilters( |
| const RenderPassDrawQuad* quad, |
| const FilterOperations* background_filters) const; |
| sk_sp<SkImage> ApplyImageFilter(SkImageFilter* filter, |
| const RenderPassDrawQuad* quad, |
| const SkBitmap& to_filter, |
| SkIRect* auto_bounds) const; |
| gfx::Rect GetBackdropBoundingBoxForRenderPassQuad( |
| const RenderPassDrawQuad* quad, |
| const gfx::Transform& contents_device_transform, |
| const FilterOperations* background_filters, |
| gfx::Rect* unclipped_rect) const; |
| SkBitmap GetBackdropBitmap(const gfx::Rect& bounding_rect) const; |
| sk_sp<SkShader> GetBackgroundFilterShader( |
| const RenderPassDrawQuad* quad, |
| SkShader::TileMode content_tile_mode) const; |
| |
| bool disable_picture_quad_image_filtering_ = false; |
| |
| bool is_scissor_enabled_ = false; |
| gfx::Rect scissor_rect_; |
| |
| SoftwareOutputDevice* output_device_; |
| SkCanvas* root_canvas_ = nullptr; |
| SkCanvas* current_canvas_ = nullptr; |
| SkPaint current_paint_; |
| std::unique_ptr<ResourceProvider::ScopedWriteLockSoftware> |
| current_framebuffer_lock_; |
| std::unique_ptr<SkCanvas> current_framebuffer_canvas_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_OUTPUT_SOFTWARE_RENDERER_H_ |