render_surface_impl.h revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
1// Copyright 2011 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_LAYERS_RENDER_SURFACE_IMPL_H_
6#define CC_LAYERS_RENDER_SURFACE_IMPL_H_
7
8#include "base/basictypes.h"
9#include "base/memory/scoped_ptr.h"
10#include "cc/base/cc_export.h"
11#include "cc/quads/render_pass.h"
12#include "cc/quads/shared_quad_state.h"
13#include "ui/gfx/rect.h"
14#include "ui/gfx/rect_f.h"
15#include "ui/gfx/transform.h"
16
17namespace cc {
18
19class DamageTracker;
20class DelegatedRendererLayerImpl;
21class QuadSink;
22class RenderPassSink;
23class LayerImpl;
24
25struct AppendQuadsData;
26
27class CC_EXPORT RenderSurfaceImpl {
28 public:
29  explicit RenderSurfaceImpl(LayerImpl* owning_layer);
30  virtual ~RenderSurfaceImpl();
31
32  std::string Name() const;
33  void DumpSurface(std::string* str, int indent) const;
34
35  gfx::PointF ContentRectCenter() const {
36    return gfx::RectF(content_rect_).CenterPoint();
37  }
38
39  // Returns the rect that encloses the RenderSurfaceImpl including any
40  // reflection.
41  gfx::RectF DrawableContentRect() const;
42
43  void SetDrawOpacity(float opacity) { draw_opacity_ = opacity; }
44  float draw_opacity() const { return draw_opacity_; }
45
46  void SetNearestAncestorThatMovesPixels(RenderSurfaceImpl* surface) {
47    nearest_ancestor_that_moves_pixels_ = surface;
48  }
49  const RenderSurfaceImpl* nearest_ancestor_that_moves_pixels() const {
50    return nearest_ancestor_that_moves_pixels_;
51  }
52
53  void SetDrawOpacityIsAnimating(bool draw_opacity_is_animating) {
54    draw_opacity_is_animating_ = draw_opacity_is_animating;
55  }
56  bool draw_opacity_is_animating() const { return draw_opacity_is_animating_; }
57
58  void SetDrawTransform(const gfx::Transform& draw_transform) {
59    draw_transform_ = draw_transform;
60  }
61  const gfx::Transform& draw_transform() const { return draw_transform_; }
62
63  void SetScreenSpaceTransform(const gfx::Transform& screen_space_transform) {
64    screen_space_transform_ = screen_space_transform;
65  }
66  const gfx::Transform& screen_space_transform() const {
67    return screen_space_transform_;
68  }
69
70  void SetReplicaDrawTransform(const gfx::Transform& replica_draw_transform) {
71    replica_draw_transform_ = replica_draw_transform;
72  }
73  const gfx::Transform& replica_draw_transform() const {
74    return replica_draw_transform_;
75  }
76
77  void SetReplicaScreenSpaceTransform(
78      const gfx::Transform& replica_screen_space_transform) {
79    replica_screen_space_transform_ = replica_screen_space_transform;
80  }
81  const gfx::Transform& replica_screen_space_transform() const {
82    return replica_screen_space_transform_;
83  }
84
85  void SetTargetSurfaceTransformsAreAnimating(bool animating) {
86    target_surface_transforms_are_animating_ = animating;
87  }
88  bool target_surface_transforms_are_animating() const {
89    return target_surface_transforms_are_animating_;
90  }
91  void SetScreenSpaceTransformsAreAnimating(bool animating) {
92    screen_space_transforms_are_animating_ = animating;
93  }
94  bool screen_space_transforms_are_animating() const {
95    return screen_space_transforms_are_animating_;
96  }
97
98  void SetIsClipped(bool is_clipped) { is_clipped_ = is_clipped; }
99  bool is_clipped() const { return is_clipped_; }
100
101  void SetClipRect(gfx::Rect clip_rect);
102  gfx::Rect clip_rect() const { return clip_rect_; }
103
104  bool ContentsChanged() const;
105
106  void SetContentRect(gfx::Rect content_rect);
107  gfx::Rect content_rect() const { return content_rect_; }
108
109  std::vector<LayerImpl*>& layer_list() { return layer_list_; }
110  void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
111  void ClearLayerLists();
112
113  int OwningLayerId() const;
114
115  void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
116  bool SurfacePropertyChanged() const;
117  bool SurfacePropertyChangedOnlyFromDescendant() const;
118
119  DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
120
121  RenderPass::Id RenderPassId();
122
123  void AppendRenderPasses(RenderPassSink* pass_sink);
124  void AppendQuads(QuadSink* quad_sink,
125                   AppendQuadsData* append_quads_data,
126                   bool for_replica,
127                   RenderPass::Id render_pass_id);
128
129 private:
130  LayerImpl* owning_layer_;
131
132  // Uses this surface's space.
133  gfx::Rect content_rect_;
134  bool surface_property_changed_;
135
136  float draw_opacity_;
137  bool draw_opacity_is_animating_;
138  gfx::Transform draw_transform_;
139  gfx::Transform screen_space_transform_;
140  gfx::Transform replica_draw_transform_;
141  gfx::Transform replica_screen_space_transform_;
142  bool target_surface_transforms_are_animating_;
143  bool screen_space_transforms_are_animating_;
144
145  bool is_clipped_;
146
147  // Uses the space of the surface's target surface.
148  gfx::Rect clip_rect_;
149
150  std::vector<LayerImpl*> layer_list_;
151  std::vector<DelegatedRendererLayerImpl*>
152      contributing_delegated_render_pass_layer_list_;
153
154  // The nearest ancestor target surface that will contain the contents of this
155  // surface, and that is going to move pixels within the surface (such as with
156  // a blur). This can point to itself.
157  RenderSurfaceImpl* nearest_ancestor_that_moves_pixels_;
158
159  scoped_ptr<DamageTracker> damage_tracker_;
160
161  // For LayerIteratorActions
162  int target_render_surface_layer_index_history_;
163  int current_layer_index_history_;
164
165  friend struct LayerIteratorActions;
166
167  DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
168};
169
170}
171#endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_
172