cc/trees/quad_culler.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_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_