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/compositor_frame.h"
  11 #include "cc/output/renderer.h"
  12
  13 namespace cc {
  14
  15 class OutputSurface;
  16 class ResourceProvider;
  17
  18 class CC_EXPORT DelegatingRenderer : public Renderer {
  19  public:
  20   static scoped_ptr<DelegatingRenderer> Create(
  21       RendererClient* client,
  22       const LayerTreeSettings* settings,
  23       OutputSurface* output_surface,
  24       ResourceProvider* resource_provider);
  25   virtual ~DelegatingRenderer();
  26
  27   virtual const RendererCapabilities& Capabilities() const OVERRIDE;
  28
  29   virtual bool CanReadPixels() const OVERRIDE;
  30
  31   virtual void DrawFrame(RenderPassList* render_passes_in_draw_order,
  32                          ContextProvider* offscreen_context_provider,
  33                          float device_scale_factor,
  34                          bool allow_partial_swap) OVERRIDE;
  35
  36   virtual void Finish() OVERRIDE {}
  37
  38   virtual void SwapBuffers() OVERRIDE;
  39   virtual void ReceiveSwapBuffersAck(const CompositorFrameAck&) OVERRIDE;
  40
  41   virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) OVERRIDE;
  42
  43   virtual bool IsContextLost() OVERRIDE;
  44
  45   virtual void SetVisible(bool visible) OVERRIDE;
  46
  47   virtual void SendManagedMemoryStats(size_t bytes_visible,
  48                                       size_t bytes_visible_and_nearby,
  49                                       size_t bytes_allocated) OVERRIDE;
  50
  51   virtual void SetDiscardBackBufferWhenNotVisible(bool discard) OVERRIDE;
  52
  53  private:
  54   DelegatingRenderer(RendererClient* client,
  55                      const LayerTreeSettings* settings,
  56                      OutputSurface* output_surface,
  57                      ResourceProvider* resource_provider);
  58   bool Initialize();
  59
  60   OutputSurface* output_surface_;
  61   ResourceProvider* resource_provider_;
  62   RendererCapabilities capabilities_;
  63   CompositorFrame frame_for_swap_buffers_;
  64   bool visible_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(DelegatingRenderer);
  67 };
  68
  69 }  // namespace cc
  70
  71 #endif  // CC_OUTPUT_DELEGATING_RENDERER_H_