Revert "Delete CC."

cc/output/software_renderer.h

+// 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/basictypes.h"
+#include "cc/output/compositor_frame.h"
+#include "cc/output/direct_renderer.h"
+
+namespace cc {
+
+class OutputSurface;
+class RendererClient;
+class ResourceProvider;
+class SoftwareOutputDevice;
+
+class CheckerboardDrawQuad;
+class DebugBorderDrawQuad;
+class PictureDrawQuad;
+class RenderPassDrawQuad;
+class SolidColorDrawQuad;
+class TextureDrawQuad;
+class TileDrawQuad;
+
+class SoftwareRenderer : public DirectRenderer {
+ public:
+  static scoped_ptr<SoftwareRenderer> Create(
+      RendererClient* client,
+      const RendererSettings* settings,
+      OutputSurface* output_surface,
+      ResourceProvider* resource_provider);
+
+  ~SoftwareRenderer() override;
+  const RendererCapabilitiesImpl& Capabilities() const override;
+  void Finish() override;
+  void SwapBuffers(const CompositorFrameMetadata& metadata) override;
+  void ReceiveSwapBuffersAck(const CompositorFrameAck& ack) override;
+  void DiscardBackbuffer() override;
+  void EnsureBackbuffer() override;
+
+ protected:
+  void BindFramebufferToOutputSurface(DrawingFrame* frame) override;
+  bool BindFramebufferToTexture(DrawingFrame* frame,
+                                const ScopedResource* texture,
+                                const gfx::Rect& target_rect) override;
+  void SetDrawViewport(const gfx::Rect& window_space_viewport) override;
+  void SetScissorTestRect(const gfx::Rect& scissor_rect) override;
+  void PrepareSurfaceForPass(DrawingFrame* frame,
+                             SurfaceInitializationMode initialization_mode,
+                             const gfx::Rect& render_pass_scissor) override;
+
+  void DoDrawQuad(DrawingFrame* frame,
+                  const DrawQuad* quad,
+                  const gfx::QuadF* draw_region) override;
+  void BeginDrawingFrame(DrawingFrame* frame) override;
+  void FinishDrawingFrame(DrawingFrame* frame) override;
+  bool FlippedFramebuffer(const DrawingFrame* frame) const override;
+  void EnsureScissorTestEnabled() override;
+  void EnsureScissorTestDisabled() override;
+  void CopyCurrentRenderPassToBitmap(
+      DrawingFrame* frame,
+      scoped_ptr<CopyOutputRequest> request) override;
+
+  SoftwareRenderer(RendererClient* client,
+                   const RendererSettings* settings,
+                   OutputSurface* output_surface,
+                   ResourceProvider* resource_provider);
+
+  void DidChangeVisibility() override;
+
+ private:
+  void ClearCanvas(SkColor color);
+  void ClearFramebuffer(DrawingFrame* frame);
+  void SetClipRect(const gfx::Rect& rect);
+  bool IsSoftwareResource(ResourceProvider::ResourceId resource_id) const;
+
+  void DrawCheckerboardQuad(const DrawingFrame* frame,
+                            const CheckerboardDrawQuad* quad);
+  void DrawDebugBorderQuad(const DrawingFrame* frame,
+                           const DebugBorderDrawQuad* quad);
+  void DrawPictureQuad(const DrawingFrame* frame,
+                       const PictureDrawQuad* quad);
+  void DrawRenderPassQuad(const DrawingFrame* frame,
+                          const RenderPassDrawQuad* quad);
+  void DrawSolidColorQuad(const DrawingFrame* frame,
+                          const SolidColorDrawQuad* quad);
+  void DrawTextureQuad(const DrawingFrame* frame,
+                       const TextureDrawQuad* quad);
+  void DrawTileQuad(const DrawingFrame* frame,
+                    const TileDrawQuad* quad);
+  void DrawUnsupportedQuad(const DrawingFrame* frame,
+                           const DrawQuad* quad);
+
+  RendererCapabilitiesImpl capabilities_;
+  bool is_scissor_enabled_;
+  bool is_backbuffer_discarded_;
+  gfx::Rect scissor_rect_;
+
+  SoftwareOutputDevice* output_device_;
+  SkCanvas* root_canvas_;
+  SkCanvas* current_canvas_;
+  SkPaint current_paint_;
+  scoped_ptr<ResourceProvider::ScopedWriteLockSoftware>
+      current_framebuffer_lock_;
+  skia::RefPtr<SkCanvas> current_framebuffer_canvas_;
+  scoped_ptr<SoftwareFrameData> current_frame_data_;
+
+  DISALLOW_COPY_AND_ASSIGN(SoftwareRenderer);
+};
+
+}  // namespace cc
+
+#endif  // CC_OUTPUT_SOFTWARE_RENDERER_H_