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| 1 // Copyright 2012 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 #ifndef CC_OUTPUT_SOFTWARE_RENDERER_H_ | |
| 6 #define CC_OUTPUT_SOFTWARE_RENDERER_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "cc/output/compositor_frame.h" | |
| 10 #include "cc/output/direct_renderer.h" | |
| 11 | |
| 12 namespace cc { | |
| 13 | |
| 14 class OutputSurface; | |
| 15 class RendererClient; | |
| 16 class ResourceProvider; | |
| 17 class SoftwareOutputDevice; | |
| 18 | |
| 19 class CheckerboardDrawQuad; | |
| 20 class DebugBorderDrawQuad; | |
| 21 class PictureDrawQuad; | |
| 22 class RenderPassDrawQuad; | |
| 23 class SolidColorDrawQuad; | |
| 24 class TextureDrawQuad; | |
| 25 class TileDrawQuad; | |
| 26 | |
| 27 class SoftwareRenderer : public DirectRenderer { | |
| 28 public: | |
| 29 static scoped_ptr<SoftwareRenderer> Create( | |
| 30 RendererClient* client, | |
| 31 const RendererSettings* settings, | |
| 32 OutputSurface* output_surface, | |
| 33 ResourceProvider* resource_provider); | |
| 34 | |
| 35 ~SoftwareRenderer() override; | |
| 36 const RendererCapabilitiesImpl& Capabilities() const override; | |
| 37 void Finish() override; | |
| 38 void SwapBuffers(const CompositorFrameMetadata& metadata) override; | |
| 39 void ReceiveSwapBuffersAck(const CompositorFrameAck& ack) override; | |
| 40 void DiscardBackbuffer() override; | |
| 41 void EnsureBackbuffer() override; | |
| 42 | |
| 43 protected: | |
| 44 void BindFramebufferToOutputSurface(DrawingFrame* frame) override; | |
| 45 bool BindFramebufferToTexture(DrawingFrame* frame, | |
| 46 const ScopedResource* texture, | |
| 47 const gfx::Rect& target_rect) override; | |
| 48 void SetDrawViewport(const gfx::Rect& window_space_viewport) override; | |
| 49 void SetScissorTestRect(const gfx::Rect& scissor_rect) override; | |
| 50 void PrepareSurfaceForPass(DrawingFrame* frame, | |
| 51 SurfaceInitializationMode initialization_mode, | |
| 52 const gfx::Rect& render_pass_scissor) override; | |
| 53 | |
| 54 void DoDrawQuad(DrawingFrame* frame, | |
| 55 const DrawQuad* quad, | |
| 56 const gfx::QuadF* draw_region) override; | |
| 57 void BeginDrawingFrame(DrawingFrame* frame) override; | |
| 58 void FinishDrawingFrame(DrawingFrame* frame) override; | |
| 59 bool FlippedFramebuffer(const DrawingFrame* frame) const override; | |
| 60 void EnsureScissorTestEnabled() override; | |
| 61 void EnsureScissorTestDisabled() override; | |
| 62 void CopyCurrentRenderPassToBitmap( | |
| 63 DrawingFrame* frame, | |
| 64 scoped_ptr<CopyOutputRequest> request) override; | |
| 65 | |
| 66 SoftwareRenderer(RendererClient* client, | |
| 67 const RendererSettings* settings, | |
| 68 OutputSurface* output_surface, | |
| 69 ResourceProvider* resource_provider); | |
| 70 | |
| 71 void DidChangeVisibility() override; | |
| 72 | |
| 73 private: | |
| 74 void ClearCanvas(SkColor color); | |
| 75 void ClearFramebuffer(DrawingFrame* frame); | |
| 76 void SetClipRect(const gfx::Rect& rect); | |
| 77 bool IsSoftwareResource(ResourceProvider::ResourceId resource_id) const; | |
| 78 | |
| 79 void DrawCheckerboardQuad(const DrawingFrame* frame, | |
| 80 const CheckerboardDrawQuad* quad); | |
| 81 void DrawDebugBorderQuad(const DrawingFrame* frame, | |
| 82 const DebugBorderDrawQuad* quad); | |
| 83 void DrawPictureQuad(const DrawingFrame* frame, | |
| 84 const PictureDrawQuad* quad); | |
| 85 void DrawRenderPassQuad(const DrawingFrame* frame, | |
| 86 const RenderPassDrawQuad* quad); | |
| 87 void DrawSolidColorQuad(const DrawingFrame* frame, | |
| 88 const SolidColorDrawQuad* quad); | |
| 89 void DrawTextureQuad(const DrawingFrame* frame, | |
| 90 const TextureDrawQuad* quad); | |
| 91 void DrawTileQuad(const DrawingFrame* frame, | |
| 92 const TileDrawQuad* quad); | |
| 93 void DrawUnsupportedQuad(const DrawingFrame* frame, | |
| 94 const DrawQuad* quad); | |
| 95 | |
| 96 RendererCapabilitiesImpl capabilities_; | |
| 97 bool is_scissor_enabled_; | |
| 98 bool is_backbuffer_discarded_; | |
| 99 gfx::Rect scissor_rect_; | |
| 100 | |
| 101 SoftwareOutputDevice* output_device_; | |
| 102 SkCanvas* root_canvas_; | |
| 103 SkCanvas* current_canvas_; | |
| 104 SkPaint current_paint_; | |
| 105 scoped_ptr<ResourceProvider::ScopedWriteLockSoftware> | |
| 106 current_framebuffer_lock_; | |
| 107 skia::RefPtr<SkCanvas> current_framebuffer_canvas_; | |
| 108 scoped_ptr<SoftwareFrameData> current_frame_data_; | |
| 109 | |
| 110 DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer); | |
| 111 }; | |
| 112 | |
| 113 } // namespace cc | |
| 114 | |
| 115 #endif // CC_OUTPUT_SOFTWARE_RENDERER_H_ | |
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