cc/output/delegating_renderer.h

   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_DELEGATING_RENDERER_H_
   6 #define CC_OUTPUT_DELEGATING_RENDERER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/base/cc_export.h"
  10 #include "cc/output/renderer.h"
  11 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
  12
  13 namespace cc {
  14
  15 class OutputSurface;
  16 class ResourceProvider;
  17
  18 class CC_EXPORT DelegatingRenderer
  19     : public Renderer,
  20       public NON_EXPORTED_BASE(
  21           WebKit::WebGraphicsContext3D::WebGraphicsContextLostCallback) {
  22  public:
  23   static scoped_ptr<DelegatingRenderer> Create(
  24       RendererClient* client,
  25       OutputSurface* output_surface,
  26       ResourceProvider* resource_provider);
  27   virtual ~DelegatingRenderer();
  28
  29   virtual const RendererCapabilities& Capabilities() const OVERRIDE;
  30
  31   virtual void DrawFrame(RenderPassList* render_passes_in_draw_order) OVERRIDE;
  32
  33   virtual void Finish() OVERRIDE {}
  34
  35   virtual bool SwapBuffers() OVERRIDE;
  36
  37   virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) OVERRIDE;
  38
  39   virtual void ReceiveCompositorFrameAck(const CompositorFrameAck&) OVERRIDE;
  40
  41   virtual bool IsContextLost() OVERRIDE;
  42
  43   virtual void SetVisible(bool visible) OVERRIDE;
  44
  45   virtual void SendManagedMemoryStats(size_t bytes_visible,
  46                                       size_t bytes_visible_and_nearby,
  47                                       size_t bytes_allocated) OVERRIDE {}
  48
  49   // WebGraphicsContext3D::WebGraphicsContextLostCallback implementation.
  50   virtual void onContextLost() OVERRIDE;
  51
  52  private:
  53   DelegatingRenderer(RendererClient* client,
  54                      OutputSurface* output_surface,
  55                      ResourceProvider* resource_provider);
  56   bool Initialize();
  57
  58   OutputSurface* output_surface_;
  59   ResourceProvider* resource_provider_;
  60   RendererCapabilities capabilities_;
  61   bool visible_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(DelegatingRenderer);
  64 };
  65
  66 }  // namespace cc
  67
  68 #endif  // CC_OUTPUT_DELEGATING_RENDERER_H_