cc/output/bsp_walk_action.h

   1 // Copyright 2014 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_BSP_WALK_ACTION_H_
   6 #define CC_OUTPUT_BSP_WALK_ACTION_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "cc/output/direct_renderer.h"
  12 #include "cc/quads/draw_polygon.h"
  13
  14 namespace cc {
  15
  16 class CC_EXPORT BspWalkAction {
  17  public:
  18   virtual void operator()(DrawPolygon* item) = 0;
  19 };
  20
  21 // The BspTree class takes ownership of all the DrawPolygons returned in list_
  22 // so the BspTree must be preserved while elements in that vector are in use.
  23 class CC_EXPORT BspWalkActionDrawPolygon : public BspWalkAction {
  24  public:
  25   void operator()(DrawPolygon* item) override;
  26
  27   BspWalkActionDrawPolygon(DirectRenderer* renderer,
  28                            DirectRenderer::DrawingFrame* frame,
  29                            const gfx::Rect& render_pass_scissor,
  30                            bool using_scissor_as_optimization);
  31
  32  private:
  33   DirectRenderer* renderer_;
  34   DirectRenderer::DrawingFrame* frame_;
  35   const gfx::Rect& render_pass_scissor_;
  36   bool using_scissor_as_optimization_;
  37 };
  38
  39 class CC_EXPORT BspWalkActionToVector : public BspWalkAction {
  40  public:
  41   explicit BspWalkActionToVector(std::vector<DrawPolygon*>* in_list);
  42   void operator()(DrawPolygon* item) override;
  43
  44  private:
  45   std::vector<DrawPolygon*>* list_;
  46 };
  47
  48 }  // namespace cc
  49
  50 #endif  // CC_OUTPUT_BSP_WALK_ACTION_H_