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 class LayerIterator;
  31
  32 struct AppendQuadsData;
  33
  34 class CC_EXPORT RenderSurfaceImpl {
  35  public:
  36   explicit RenderSurfaceImpl(LayerImpl* owning_layer);
  37   virtual ~RenderSurfaceImpl();
  38
  39   gfx::PointF ContentRectCenter() const {
  40     return gfx::RectF(content_rect_).CenterPoint();
  41   }
  42
  43   // Returns the rect that encloses the RenderSurfaceImpl including any
  44   // reflection.
  45   gfx::RectF DrawableContentRect() const;
  46
  47   void SetDrawOpacity(float opacity) { draw_opacity_ = opacity; }
  48   float draw_opacity() const { return draw_opacity_; }
  49
  50   void SetNearestOcclusionImmuneAncestor(RenderSurfaceImpl* surface) {
  51     nearest_occlusion_immune_ancestor_ = surface;
  52   }
  53   const RenderSurfaceImpl* nearest_occlusion_immune_ancestor() const {
  54     return nearest_occlusion_immune_ancestor_;
  55   }
  56
  57   SkColor GetDebugBorderColor() const;
  58   SkColor GetReplicaDebugBorderColor() const;
  59
  60   float GetDebugBorderWidth() const;
  61   float GetReplicaDebugBorderWidth() const;
  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 SetIsClipped(bool is_clipped) { is_clipped_ = is_clipped; }
  91   bool is_clipped() const { return is_clipped_; }
  92
  93   void SetClipRect(const gfx::Rect& clip_rect);
  94   gfx::Rect clip_rect() const { return clip_rect_; }
  95
  96   // When false, the RenderSurface does not contribute to another target
  97   // RenderSurface that is being drawn for the current frame. It could still be
  98   // drawn to as a target, but its output will not be a part of any other
  99   // surface.
 100   bool contributes_to_drawn_surface() const {
 101     return contributes_to_drawn_surface_;
 102   }
 103   void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) {
 104     contributes_to_drawn_surface_ = contributes_to_drawn_surface;
 105   }
 106
 107   void SetContentRect(const gfx::Rect& content_rect);
 108   gfx::Rect content_rect() const { return content_rect_; }
 109
 110   void SetContentRectFromPropertyTrees(const gfx::Rect& content_rect);
 111   gfx::Rect content_rect_from_property_trees() const {
 112     return content_rect_from_property_trees_;
 113   }
 114
 115   void SetAccumulatedContentRect(const gfx::Rect& content_rect);
 116   gfx::Rect accumulated_content_rect() const {
 117     return accumulated_content_rect_;
 118   }
 119
 120   const Occlusion& occlusion_in_content_space() const {
 121     return occlusion_in_content_space_;
 122   }
 123   void set_occlusion_in_content_space(const Occlusion& occlusion) {
 124     occlusion_in_content_space_ = occlusion;
 125   }
 126
 127   LayerImplList& layer_list() { return layer_list_; }
 128   void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
 129   void ClearLayerLists();
 130
 131   int OwningLayerId() const;
 132   bool HasReplica() const;
 133   gfx::Transform ReplicaDrawTransform() const;
 134
 135   void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
 136   bool SurfacePropertyChanged() const;
 137   bool SurfacePropertyChangedOnlyFromDescendant() const;
 138
 139   DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
 140
 141   RenderPassId GetRenderPassId();
 142
 143   void AppendRenderPasses(RenderPassSink* pass_sink);
 144   void AppendQuads(RenderPass* render_pass,
 145                    const gfx::Transform& draw_transform,
 146                    const Occlusion& occlusion_in_content_space,
 147                    SkColor debug_border_color,
 148                    float debug_border_width,
 149                    LayerImpl* mask_layer,
 150                    AppendQuadsData* append_quads_data,
 151                    RenderPassId render_pass_id);
 152
 153   int TransformTreeIndex() const;
 154   int ClipTreeIndex() const;
 155   int EffectTreeIndex() const;
 156   int TargetEffectTreeIndex() const;
 157
 158  private:
 159   LayerImpl* owning_layer_;
 160
 161   // Uses this surface's space.
 162   gfx::Rect content_rect_;
 163   gfx::Rect content_rect_from_property_trees_;
 164   // Is used to calculate the content rect from property trees.
 165   gfx::Rect accumulated_content_rect_;
 166   bool surface_property_changed_ : 1;
 167
 168   bool is_clipped_ : 1;
 169   bool contributes_to_drawn_surface_ : 1;
 170
 171   float draw_opacity_;
 172   gfx::Transform draw_transform_;
 173   gfx::Transform screen_space_transform_;
 174   gfx::Transform replica_draw_transform_;
 175   gfx::Transform replica_screen_space_transform_;
 176
 177   // Uses the space of the surface's target surface.
 178   gfx::Rect clip_rect_;
 179
 180   LayerImplList layer_list_;
 181   std::vector<DelegatedRendererLayerImpl*>
 182       contributing_delegated_render_pass_layer_list_;
 183   Occlusion occlusion_in_content_space_;
 184
 185   // The nearest ancestor target surface that will contain the contents of this
 186   // surface, and that ignores outside occlusion. This can point to itself.
 187   RenderSurfaceImpl* nearest_occlusion_immune_ancestor_;
 188
 189   scoped_ptr<DamageTracker> damage_tracker_;
 190
 191   // For LayerIteratorActions
 192   int target_render_surface_layer_index_history_;
 193   size_t current_layer_index_history_;
 194
 195   friend class LayerIterator;
 196
 197   DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
 198 };
 199
 200 }  // namespace cc
 201 #endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_