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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_TREES_QUAD_CULLER_H_
      6 #define CC_TREES_QUAD_CULLER_H_
      7 
      8 #include "cc/base/cc_export.h"
      9 #include "cc/layers/quad_sink.h"
     10 #include "cc/quads/render_pass.h"
     11 
     12 namespace cc {
     13 class LayerImpl;
     14 class RenderSurfaceImpl;
     15 template <typename LayerType, typename SurfaceType> class OcclusionTrackerBase;
     16 
     17 class CC_EXPORT QuadCuller : public QuadSink {
     18  public:
     19   QuadCuller(QuadList* quad_list,
     20              SharedQuadStateList* shared_quad_state_list,
     21              const LayerImpl* layer,
     22              const OcclusionTrackerBase<LayerImpl, RenderSurfaceImpl>&
     23                  occlusion_tracker,
     24              bool show_culling_with_debug_border_quads,
     25              bool for_surface);
     26   virtual ~QuadCuller() {}
     27 
     28   // QuadSink implementation.
     29   virtual SharedQuadState* UseSharedQuadState(
     30       scoped_ptr<SharedQuadState> shared_quad_state) OVERRIDE;
     31   virtual bool Append(scoped_ptr<DrawQuad> draw_quad,
     32                       AppendQuadsData* append_quads_data) OVERRIDE;
     33 
     34  private:
     35   QuadList* quad_list_;
     36   SharedQuadStateList* shared_quad_state_list_;
     37   const LayerImpl* layer_;
     38   const OcclusionTrackerBase<LayerImpl, RenderSurfaceImpl>& occlusion_tracker_;
     39 
     40   SharedQuadState* current_shared_quad_state_;
     41   bool show_culling_with_debug_border_quads_;
     42   bool for_surface_;
     43 
     44   DISALLOW_COPY_AND_ASSIGN(QuadCuller);
     45 };
     46 
     47 }  // namespace cc
     48 
     49 #endif  // CC_TREES_QUAD_CULLER_H_
     50