picture_pile.h revision 7dbb3d5cf0c15f500944d211057644d6a2f37371
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_RESOURCES_PICTURE_PILE_H_ 6#define CC_RESOURCES_PICTURE_PILE_H_ 7 8#include "cc/resources/picture_pile_base.h" 9#include "ui/gfx/rect.h" 10 11namespace cc { 12class PicturePileImpl; 13class Region; 14class RenderingStatsInstrumentation; 15 16class CC_EXPORT PicturePile : public PicturePileBase { 17 public: 18 PicturePile(); 19 20 // Re-record parts of the picture that are invalid. 21 // Invalidations are in layer space. 22 // Return true iff the pile was modified. 23 bool Update( 24 ContentLayerClient* painter, 25 SkColor background_color, 26 bool contents_opaque, 27 const Region& invalidation, 28 gfx::Rect visible_layer_rect, 29 RenderingStatsInstrumentation* stats_instrumentation); 30 31 void set_num_raster_threads(int num_raster_threads) { 32 num_raster_threads_ = num_raster_threads; 33 } 34 35 void set_slow_down_raster_scale_factor(int factor) { 36 slow_down_raster_scale_factor_for_debug_ = factor; 37 } 38 39 void set_show_debug_picture_borders(bool show) { 40 show_debug_picture_borders_ = show; 41 } 42 43 protected: 44 virtual ~PicturePile(); 45 46 private: 47 friend class PicturePileImpl; 48 49 // Add an invalidation to this picture list. If the list needs to be 50 // entirely recreated, leave it empty. Do not call this on an empty list. 51 void InvalidateRect( 52 PictureList& picture_list, 53 gfx::Rect invalidation); 54 55 DISALLOW_COPY_AND_ASSIGN(PicturePile); 56}; 57 58} // namespace cc 59 60#endif // CC_RESOURCES_PICTURE_PILE_H_ 61