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