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   void SetDrawOpacityIsAnimating(bool draw_opacity_is_animating) {
  58     draw_opacity_is_animating_ = draw_opacity_is_animating;
  59   }
  60   bool draw_opacity_is_animating() const { return draw_opacity_is_animating_; }
  61
  62   SkColor GetDebugBorderColor() const;
  63   SkColor GetReplicaDebugBorderColor() const;
  64
  65   float GetDebugBorderWidth() const;
  66   float GetReplicaDebugBorderWidth() const;
  67
  68   void SetDrawTransform(const gfx::Transform& draw_transform) {
  69     draw_transform_ = draw_transform;
  70   }
  71   const gfx::Transform& draw_transform() const { return draw_transform_; }
  72
  73   void SetScreenSpaceTransform(const gfx::Transform& screen_space_transform) {
  74     screen_space_transform_ = screen_space_transform;
  75   }
  76   const gfx::Transform& screen_space_transform() const {
  77     return screen_space_transform_;
  78   }
  79
  80   void SetReplicaDrawTransform(const gfx::Transform& replica_draw_transform) {
  81     replica_draw_transform_ = replica_draw_transform;
  82   }
  83   const gfx::Transform& replica_draw_transform() const {
  84     return replica_draw_transform_;
  85   }
  86
  87   void SetReplicaScreenSpaceTransform(
  88       const gfx::Transform& replica_screen_space_transform) {
  89     replica_screen_space_transform_ = replica_screen_space_transform;
  90   }
  91   const gfx::Transform& replica_screen_space_transform() const {
  92     return replica_screen_space_transform_;
  93   }
  94
  95   void SetTargetSurfaceTransformsAreAnimating(bool animating) {
  96     target_surface_transforms_are_animating_ = animating;
  97   }
  98   bool target_surface_transforms_are_animating() const {
  99     return target_surface_transforms_are_animating_;
 100   }
 101   void SetScreenSpaceTransformsAreAnimating(bool animating) {
 102     screen_space_transforms_are_animating_ = animating;
 103   }
 104   bool screen_space_transforms_are_animating() const {
 105     return screen_space_transforms_are_animating_;
 106   }
 107
 108   void SetIsClipped(bool is_clipped) { is_clipped_ = is_clipped; }
 109   bool is_clipped() const { return is_clipped_; }
 110
 111   void SetClipRect(const gfx::Rect& clip_rect);
 112   gfx::Rect clip_rect() const { return clip_rect_; }
 113
 114   // When false, the RenderSurface does not contribute to another target
 115   // RenderSurface that is being drawn for the current frame. It could still be
 116   // drawn to as a target, but its output will not be a part of any other
 117   // surface.
 118   bool contributes_to_drawn_surface() const {
 119     return contributes_to_drawn_surface_;
 120   }
 121   void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) {
 122     contributes_to_drawn_surface_ = contributes_to_drawn_surface;
 123   }
 124
 125   void SetContentRect(const gfx::Rect& content_rect);
 126   gfx::Rect content_rect() const { return content_rect_; }
 127
 128   const Occlusion& occlusion_in_content_space() const {
 129     return occlusion_in_content_space_;
 130   }
 131   void set_occlusion_in_content_space(const Occlusion& occlusion) {
 132     occlusion_in_content_space_ = occlusion;
 133   }
 134
 135   LayerImplList& layer_list() { return layer_list_; }
 136   void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
 137   void ClearLayerLists();
 138
 139   int OwningLayerId() const;
 140
 141   void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
 142   bool SurfacePropertyChanged() const;
 143   bool SurfacePropertyChangedOnlyFromDescendant() const;
 144
 145   DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
 146
 147   RenderPassId GetRenderPassId();
 148
 149   void AppendRenderPasses(RenderPassSink* pass_sink);
 150   void AppendQuads(RenderPass* render_pass,
 151                    const gfx::Transform& draw_transform,
 152                    const Occlusion& occlusion_in_content_space,
 153                    SkColor debug_border_color,
 154                    float debug_border_width,
 155                    LayerImpl* mask_layer,
 156                    AppendQuadsData* append_quads_data,
 157                    RenderPassId render_pass_id);
 158
 159  private:
 160   LayerImpl* owning_layer_;
 161
 162   // Uses this surface's space.
 163   gfx::Rect content_rect_;
 164   bool surface_property_changed_ : 1;
 165   bool draw_opacity_is_animating_ : 1;
 166   bool target_surface_transforms_are_animating_ : 1;
 167   bool screen_space_transforms_are_animating_ : 1;
 168
 169   bool is_clipped_ : 1;
 170   bool contributes_to_drawn_surface_ : 1;
 171
 172   float draw_opacity_;
 173   gfx::Transform draw_transform_;
 174   gfx::Transform screen_space_transform_;
 175   gfx::Transform replica_draw_transform_;
 176   gfx::Transform replica_screen_space_transform_;
 177
 178   // Uses the space of the surface's target surface.
 179   gfx::Rect clip_rect_;
 180
 181   LayerImplList layer_list_;
 182   std::vector<DelegatedRendererLayerImpl*>
 183       contributing_delegated_render_pass_layer_list_;
 184   Occlusion occlusion_in_content_space_;
 185
 186   // The nearest ancestor target surface that will contain the contents of this
 187   // surface, and that ignores outside occlusion. This can point to itself.
 188   RenderSurfaceImpl* nearest_occlusion_immune_ancestor_;
 189
 190   scoped_ptr<DamageTracker> damage_tracker_;
 191
 192   // For LayerIteratorActions
 193   int target_render_surface_layer_index_history_;
 194   size_t current_layer_index_history_;
 195
 196   friend class LayerIterator;
 197
 198   DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
 199 };
 200
 201 }  // namespace cc
 202 #endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_