cc/layers/render_surface_impl.h

   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 "cc/trees/occlusion.h"
  18 #include "ui/gfx/geometry/rect.h"
  19 #include "ui/gfx/geometry/rect_f.h"
  20 #include "ui/gfx/transform.h"
  21
  22 namespace cc {
  23
  24 class DamageTracker;
  25 class DelegatedRendererLayerImpl;
  26 class Occlusion;
  27 class RenderPassId;
  28 class RenderPassSink;
  29 class LayerImpl;
  30 template <typename LayerType>
  31 class LayerIterator;
  32
  33 struct AppendQuadsData;
  34
  35 class 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   SkColor GetDebugBorderColor() const;
  64   SkColor GetReplicaDebugBorderColor() const;
  65
  66   float GetDebugBorderWidth() const;
  67   float GetReplicaDebugBorderWidth() const;
  68
  69   void SetDrawTransform(const gfx::Transform& draw_transform) {
  70     draw_transform_ = draw_transform;
  71   }
  72   const gfx::Transform& draw_transform() const { return draw_transform_; }
  73
  74   void SetScreenSpaceTransform(const gfx::Transform& screen_space_transform) {
  75     screen_space_transform_ = screen_space_transform;
  76   }
  77   const gfx::Transform& screen_space_transform() const {
  78     return screen_space_transform_;
  79   }
  80
  81   void SetReplicaDrawTransform(const gfx::Transform& replica_draw_transform) {
  82     replica_draw_transform_ = replica_draw_transform;
  83   }
  84   const gfx::Transform& replica_draw_transform() const {
  85     return replica_draw_transform_;
  86   }
  87
  88   void SetReplicaScreenSpaceTransform(
  89       const gfx::Transform& replica_screen_space_transform) {
  90     replica_screen_space_transform_ = replica_screen_space_transform;
  91   }
  92   const gfx::Transform& replica_screen_space_transform() const {
  93     return replica_screen_space_transform_;
  94   }
  95
  96   void SetTargetSurfaceTransformsAreAnimating(bool animating) {
  97     target_surface_transforms_are_animating_ = animating;
  98   }
  99   bool target_surface_transforms_are_animating() const {
 100     return target_surface_transforms_are_animating_;
 101   }
 102   void SetScreenSpaceTransformsAreAnimating(bool animating) {
 103     screen_space_transforms_are_animating_ = animating;
 104   }
 105   bool screen_space_transforms_are_animating() const {
 106     return screen_space_transforms_are_animating_;
 107   }
 108
 109   void SetIsClipped(bool is_clipped) { is_clipped_ = is_clipped; }
 110   bool is_clipped() const { return is_clipped_; }
 111
 112   void SetClipRect(const gfx::Rect& clip_rect);
 113   gfx::Rect clip_rect() const { return clip_rect_; }
 114
 115   // When false, the RenderSurface does not contribute to another target
 116   // RenderSurface that is being drawn for the current frame. It could still be
 117   // drawn to as a target, but its output will not be a part of any other
 118   // surface.
 119   bool contributes_to_drawn_surface() const {
 120     return contributes_to_drawn_surface_;
 121   }
 122   void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) {
 123     contributes_to_drawn_surface_ = contributes_to_drawn_surface;
 124   }
 125
 126   void SetContentRect(const gfx::Rect& content_rect);
 127   gfx::Rect content_rect() const { return content_rect_; }
 128
 129   const Occlusion& occlusion_in_content_space() const {
 130     return occlusion_in_content_space_;
 131   }
 132   void set_occlusion_in_content_space(const Occlusion& occlusion) {
 133     occlusion_in_content_space_ = occlusion;
 134   }
 135
 136   LayerImplList& layer_list() { return layer_list_; }
 137   void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
 138   void ClearLayerLists();
 139
 140   int OwningLayerId() const;
 141
 142   void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
 143   bool SurfacePropertyChanged() const;
 144   bool SurfacePropertyChangedOnlyFromDescendant() const;
 145
 146   DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
 147
 148   RenderPassId GetRenderPassId();
 149
 150   void AppendRenderPasses(RenderPassSink* pass_sink);
 151   void AppendQuads(RenderPass* render_pass,
 152                    const gfx::Transform& draw_transform,
 153                    const Occlusion& occlusion_in_content_space,
 154                    SkColor debug_border_color,
 155                    float debug_border_width,
 156                    LayerImpl* mask_layer,
 157                    AppendQuadsData* append_quads_data,
 158                    RenderPassId render_pass_id);
 159
 160  private:
 161   LayerImpl* owning_layer_;
 162
 163   // Uses this surface's space.
 164   gfx::Rect content_rect_;
 165   bool surface_property_changed_ : 1;
 166   bool draw_opacity_is_animating_ : 1;
 167   bool target_surface_transforms_are_animating_ : 1;
 168   bool screen_space_transforms_are_animating_ : 1;
 169
 170   bool is_clipped_ : 1;
 171   bool contributes_to_drawn_surface_ : 1;
 172
 173   float draw_opacity_;
 174   gfx::Transform draw_transform_;
 175   gfx::Transform screen_space_transform_;
 176   gfx::Transform replica_draw_transform_;
 177   gfx::Transform replica_screen_space_transform_;
 178
 179   // Uses the space of the surface's target surface.
 180   gfx::Rect clip_rect_;
 181
 182   LayerImplList layer_list_;
 183   std::vector<DelegatedRendererLayerImpl*>
 184       contributing_delegated_render_pass_layer_list_;
 185   Occlusion occlusion_in_content_space_;
 186
 187   // The nearest ancestor target surface that will contain the contents of this
 188   // surface, and that ignores outside occlusion. This can point to itself.
 189   RenderSurfaceImpl* nearest_occlusion_immune_ancestor_;
 190
 191   scoped_ptr<DamageTracker> damage_tracker_;
 192
 193   // For LayerIteratorActions
 194   int target_render_surface_layer_index_history_;
 195   int current_layer_index_history_;
 196
 197   friend class LayerIterator<LayerImpl>;
 198
 199   DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
 200 };
 201
 202 }  // namespace cc
 203 #endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_