render_surface_impl.h revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0 
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 <string>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "base/memory/scoped_ptr.h"
13#include "cc/base/cc_export.h"
14#include "cc/layers/layer_lists.h"
15#include "cc/quads/render_pass.h"
16#include "cc/quads/shared_quad_state.h"
17#include "ui/gfx/rect.h"
18#include "ui/gfx/rect_f.h"
19#include "ui/gfx/transform.h"
20
21namespace cc {
22
23class DamageTracker;
24class DelegatedRendererLayerImpl;
25template <typename LayerType>
26class OcclusionTracker;
27class RenderPassId;
28class RenderPassSink;
29class LayerImpl;
30template <typename LayerType>
31class LayerIterator;
32
33struct AppendQuadsData;
34
35class CC_EXPORT RenderSurfaceImpl {
36 public:
37  explicit RenderSurfaceImpl(LayerImpl* owning_layer);
38  virtual ~RenderSurfaceImpl();
39
40  gfx::PointF ContentRectCenter() const {
41    return gfx::RectF(content_rect_).CenterPoint();
42  }
43
44  // Returns the rect that encloses the RenderSurfaceImpl including any
45  // reflection.
46  gfx::RectF DrawableContentRect() const;
47
48  void SetDrawOpacity(float opacity) { draw_opacity_ = opacity; }
49  float draw_opacity() const { return draw_opacity_; }
50
51  void SetNearestOcclusionImmuneAncestor(RenderSurfaceImpl* surface) {
52    nearest_occlusion_immune_ancestor_ = surface;
53  }
54  const RenderSurfaceImpl* nearest_occlusion_immune_ancestor() const {
55    return nearest_occlusion_immune_ancestor_;
56  }
57
58  void SetDrawOpacityIsAnimating(bool draw_opacity_is_animating) {
59    draw_opacity_is_animating_ = draw_opacity_is_animating;
60  }
61  bool draw_opacity_is_animating() const { return draw_opacity_is_animating_; }
62
63  void SetDrawTransform(const gfx::Transform& draw_transform) {
64    draw_transform_ = draw_transform;
65  }
66  const gfx::Transform& draw_transform() const { return draw_transform_; }
67
68  void SetScreenSpaceTransform(const gfx::Transform& screen_space_transform) {
69    screen_space_transform_ = screen_space_transform;
70  }
71  const gfx::Transform& screen_space_transform() const {
72    return screen_space_transform_;
73  }
74
75  void SetReplicaDrawTransform(const gfx::Transform& replica_draw_transform) {
76    replica_draw_transform_ = replica_draw_transform;
77  }
78  const gfx::Transform& replica_draw_transform() const {
79    return replica_draw_transform_;
80  }
81
82  void SetReplicaScreenSpaceTransform(
83      const gfx::Transform& replica_screen_space_transform) {
84    replica_screen_space_transform_ = replica_screen_space_transform;
85  }
86  const gfx::Transform& replica_screen_space_transform() const {
87    return replica_screen_space_transform_;
88  }
89
90  void SetTargetSurfaceTransformsAreAnimating(bool animating) {
91    target_surface_transforms_are_animating_ = animating;
92  }
93  bool target_surface_transforms_are_animating() const {
94    return target_surface_transforms_are_animating_;
95  }
96  void SetScreenSpaceTransformsAreAnimating(bool animating) {
97    screen_space_transforms_are_animating_ = animating;
98  }
99  bool screen_space_transforms_are_animating() const {
100    return screen_space_transforms_are_animating_;
101  }
102
103  void SetIsClipped(bool is_clipped) { is_clipped_ = is_clipped; }
104  bool is_clipped() const { return is_clipped_; }
105
106  void SetClipRect(const gfx::Rect& clip_rect);
107  gfx::Rect clip_rect() const { return clip_rect_; }
108
109  // When false, the RenderSurface does not contribute to another target
110  // RenderSurface that is being drawn for the current frame. It could still be
111  // drawn to as a target, but its output will not be a part of any other
112  // surface.
113  bool contributes_to_drawn_surface() const {
114    return contributes_to_drawn_surface_;
115  }
116  void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) {
117    contributes_to_drawn_surface_ = contributes_to_drawn_surface;
118  }
119
120  void SetContentRect(const gfx::Rect& content_rect);
121  gfx::Rect content_rect() const { return content_rect_; }
122
123  LayerImplList& layer_list() { return layer_list_; }
124  void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
125  void ClearLayerLists();
126
127  int OwningLayerId() const;
128
129  void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
130  bool SurfacePropertyChanged() const;
131  bool SurfacePropertyChangedOnlyFromDescendant() const;
132
133  DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
134
135  RenderPassId GetRenderPassId();
136
137  void AppendRenderPasses(RenderPassSink* pass_sink);
138  void AppendQuads(RenderPass* render_pass,
139                   const OcclusionTracker<LayerImpl>& occlusion_tracker,
140                   AppendQuadsData* append_quads_data,
141                   bool for_replica,
142                   RenderPassId render_pass_id);
143
144 private:
145  LayerImpl* owning_layer_;
146
147  // Uses this surface's space.
148  gfx::Rect content_rect_;
149  bool surface_property_changed_ : 1;
150  bool draw_opacity_is_animating_ : 1;
151  bool target_surface_transforms_are_animating_ : 1;
152  bool screen_space_transforms_are_animating_ : 1;
153
154  bool is_clipped_ : 1;
155  bool contributes_to_drawn_surface_ : 1;
156
157  float draw_opacity_;
158  gfx::Transform draw_transform_;
159  gfx::Transform screen_space_transform_;
160  gfx::Transform replica_draw_transform_;
161  gfx::Transform replica_screen_space_transform_;
162
163  // Uses the space of the surface's target surface.
164  gfx::Rect clip_rect_;
165
166  LayerImplList layer_list_;
167  std::vector<DelegatedRendererLayerImpl*>
168      contributing_delegated_render_pass_layer_list_;
169
170  // The nearest ancestor target surface that will contain the contents of this
171  // surface, and that ignores outside occlusion. This can point to itself.
172  RenderSurfaceImpl* nearest_occlusion_immune_ancestor_;
173
174  scoped_ptr<DamageTracker> damage_tracker_;
175
176  // For LayerIteratorActions
177  int target_render_surface_layer_index_history_;
178  int current_layer_index_history_;
179
180  friend class LayerIterator<LayerImpl>;
181
182  DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
183};
184
185}  // namespace cc
186#endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_
187