| // Copyright 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_LAYERS_RENDER_SURFACE_IMPL_H_ |
| #define CC_LAYERS_RENDER_SURFACE_IMPL_H_ |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/layers/layer_collections.h" |
| #include "cc/quads/render_pass.h" |
| #include "cc/quads/shared_quad_state.h" |
| #include "cc/trees/occlusion.h" |
| #include "cc/trees/property_tree.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/geometry/rect_f.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace cc { |
| |
| class DamageTracker; |
| class FilterOperations; |
| class Occlusion; |
| class RenderPassId; |
| class RenderPassSink; |
| class LayerImpl; |
| class LayerIterator; |
| class LayerTreeImpl; |
| |
| struct AppendQuadsData; |
| |
| class CC_EXPORT RenderSurfaceImpl { |
| public: |
| explicit RenderSurfaceImpl(LayerImpl* owning_layer); |
| virtual ~RenderSurfaceImpl(); |
| |
| // Returns the RenderSurfaceImpl that this render surface contributes to. Root |
| // render surface's render_target is itself. |
| RenderSurfaceImpl* render_target(); |
| const RenderSurfaceImpl* render_target() const; |
| |
| // Returns the rect that encloses the RenderSurfaceImpl including any |
| // reflection. |
| gfx::RectF DrawableContentRect() const; |
| |
| void SetDrawOpacity(float opacity) { |
| draw_properties_.draw_opacity = opacity; |
| } |
| float draw_opacity() const { return draw_properties_.draw_opacity; } |
| |
| SkBlendMode BlendMode() const; |
| bool UsesDefaultBlendMode() const; |
| |
| void SetNearestOcclusionImmuneAncestor(const RenderSurfaceImpl* surface) { |
| nearest_occlusion_immune_ancestor_ = surface; |
| } |
| const RenderSurfaceImpl* nearest_occlusion_immune_ancestor() const { |
| return nearest_occlusion_immune_ancestor_; |
| } |
| |
| SkColor GetDebugBorderColor() const; |
| float GetDebugBorderWidth() const; |
| |
| void SetDrawTransform(const gfx::Transform& draw_transform) { |
| draw_properties_.draw_transform = draw_transform; |
| } |
| const gfx::Transform& draw_transform() const { |
| return draw_properties_.draw_transform; |
| } |
| |
| void SetScreenSpaceTransform(const gfx::Transform& screen_space_transform) { |
| draw_properties_.screen_space_transform = screen_space_transform; |
| } |
| const gfx::Transform& screen_space_transform() const { |
| return draw_properties_.screen_space_transform; |
| } |
| |
| void SetIsClipped(bool is_clipped) { |
| draw_properties_.is_clipped = is_clipped; |
| } |
| bool is_clipped() const { return draw_properties_.is_clipped; } |
| |
| void SetClipRect(const gfx::Rect& clip_rect); |
| gfx::Rect clip_rect() const { return draw_properties_.clip_rect; } |
| |
| // When false, the RenderSurface does not contribute to another target |
| // RenderSurface that is being drawn for the current frame. It could still be |
| // drawn to as a target, but its output will not be a part of any other |
| // surface. |
| bool contributes_to_drawn_surface() const { |
| return contributes_to_drawn_surface_; |
| } |
| void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) { |
| contributes_to_drawn_surface_ = contributes_to_drawn_surface; |
| } |
| |
| void CalculateContentRectFromAccumulatedContentRect(int max_texture_size); |
| void SetContentRectToViewport(); |
| void SetContentRectForTesting(const gfx::Rect& rect); |
| gfx::Rect content_rect() const { return draw_properties_.content_rect; } |
| |
| void ClearAccumulatedContentRect(); |
| void AccumulateContentRectFromContributingLayer( |
| LayerImpl* contributing_layer); |
| void AccumulateContentRectFromContributingRenderSurface( |
| RenderSurfaceImpl* contributing_surface); |
| |
| gfx::Rect accumulated_content_rect() const { |
| return accumulated_content_rect_; |
| } |
| |
| const Occlusion& occlusion_in_content_space() const { |
| return occlusion_in_content_space_; |
| } |
| void set_occlusion_in_content_space(const Occlusion& occlusion) { |
| occlusion_in_content_space_ = occlusion; |
| } |
| |
| LayerImplList& layer_list() { return layer_list_; } |
| void ClearLayerLists(); |
| |
| int id() const { return stable_effect_id_; } |
| |
| LayerImpl* MaskLayer(); |
| bool HasMask() const; |
| |
| const FilterOperations& Filters() const; |
| const FilterOperations& BackgroundFilters() const; |
| gfx::PointF FiltersOrigin() const; |
| gfx::Transform FiltersTransform() const; |
| |
| bool HasCopyRequest() const; |
| |
| void ResetPropertyChangedFlags(); |
| bool SurfacePropertyChanged() const; |
| bool SurfacePropertyChangedOnlyFromDescendant() const; |
| bool AncestorPropertyChanged() const; |
| void NoteAncestorPropertyChanged(); |
| |
| DamageTracker* damage_tracker() const { return damage_tracker_.get(); } |
| |
| RenderPassId GetRenderPassId(); |
| |
| void AppendRenderPasses(RenderPassSink* pass_sink); |
| void AppendQuads(RenderPass* render_pass, AppendQuadsData* append_quads_data); |
| |
| int TransformTreeIndex() const; |
| int ClipTreeIndex() const; |
| int EffectTreeIndex() const; |
| |
| private: |
| void SetContentRect(const gfx::Rect& content_rect); |
| gfx::Rect CalculateClippedAccumulatedContentRect(); |
| |
| const EffectNode* OwningEffectNode() const; |
| |
| LayerImpl* owning_layer_; |
| |
| LayerTreeImpl* layer_tree_impl_; |
| int stable_effect_id_; |
| |
| // Container for properties that render surfaces need to compute before they |
| // can be drawn. |
| struct DrawProperties { |
| DrawProperties(); |
| ~DrawProperties(); |
| |
| float draw_opacity; |
| |
| // Transforms from the surface's own space to the space of its target |
| // surface. |
| gfx::Transform draw_transform; |
| // Transforms from the surface's own space to the viewport. |
| gfx::Transform screen_space_transform; |
| |
| // This is in the surface's own space. |
| gfx::Rect content_rect; |
| |
| // This is in the space of the surface's target surface. |
| gfx::Rect clip_rect; |
| |
| // True if the surface needs to be clipped by clip_rect. |
| bool is_clipped : 1; |
| }; |
| |
| DrawProperties draw_properties_; |
| |
| // Is used to calculate the content rect from property trees. |
| gfx::Rect accumulated_content_rect_; |
| bool surface_property_changed_ : 1; |
| bool ancestor_property_changed_ : 1; |
| |
| bool contributes_to_drawn_surface_ : 1; |
| |
| LayerImplList layer_list_; |
| Occlusion occlusion_in_content_space_; |
| |
| // The nearest ancestor target surface that will contain the contents of this |
| // surface, and that ignores outside occlusion. This can point to itself. |
| const RenderSurfaceImpl* nearest_occlusion_immune_ancestor_; |
| |
| std::unique_ptr<DamageTracker> damage_tracker_; |
| |
| // For LayerIteratorActions |
| int target_render_surface_layer_index_history_; |
| size_t current_layer_index_history_; |
| |
| friend class LayerIterator; |
| |
| DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl); |
| }; |
| |
| } // namespace cc |
| #endif // CC_LAYERS_RENDER_SURFACE_IMPL_H_ |