| // Copyright 2014 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_TREES_DRAW_PROPERTY_UTILS_H_ |
| #define CC_TREES_DRAW_PROPERTY_UTILS_H_ |
| |
| #include <vector> |
| #include "cc/cc_export.h" |
| #include "cc/layers/layer_collections.h" |
| |
| namespace gfx { |
| class Transform; |
| } // namespace gfx |
| |
| namespace cc { |
| |
| class Layer; |
| class LayerImpl; |
| class LayerTreeHost; |
| class LayerTreeImpl; |
| class EffectTree; |
| class TransformTree; |
| class PropertyTrees; |
| struct EffectNode; |
| struct TransformNode; |
| |
| namespace draw_property_utils { |
| |
| void CC_EXPORT ConcatInverseSurfaceContentsScale(const EffectNode* effect_node, |
| gfx::Transform* transform); |
| |
| // Computes combined (screen space) transforms for every node in the transform |
| // tree. This must be done prior to calling |ComputeClips|. |
| void CC_EXPORT ComputeTransforms(TransformTree* transform_tree); |
| |
| // Computes screen space opacity for every node in the opacity tree. |
| void CC_EXPORT ComputeEffects(EffectTree* effect_tree); |
| |
| void CC_EXPORT UpdatePropertyTrees(LayerTreeHost* layer_tree_host); |
| |
| void CC_EXPORT |
| UpdatePropertyTreesAndRenderSurfaces(LayerImpl* root_layer, |
| PropertyTrees* property_trees); |
| |
| void CC_EXPORT FindLayersThatNeedUpdates(LayerTreeHost* layer_tree_host, |
| LayerList* update_layer_list); |
| |
| void CC_EXPORT |
| FindLayersThatNeedUpdates(LayerTreeImpl* layer_tree_impl, |
| std::vector<LayerImpl*>* visible_layer_list); |
| |
| gfx::Transform CC_EXPORT DrawTransform(const LayerImpl* layer, |
| const TransformTree& transform_tree, |
| const EffectTree& effect_tree); |
| |
| gfx::Transform CC_EXPORT ScreenSpaceTransform(const Layer* layer, |
| const TransformTree& tree); |
| gfx::Transform CC_EXPORT ScreenSpaceTransform(const LayerImpl* layer, |
| const TransformTree& tree); |
| |
| void CC_EXPORT UpdatePageScaleFactor(PropertyTrees* property_trees, |
| TransformNode* page_scale_node, |
| float page_scale_factor); |
| |
| void CC_EXPORT CalculateDrawProperties( |
| LayerTreeImpl* layer_tree_impl, |
| RenderSurfaceList* output_render_surface_list, |
| LayerImplList* output_update_layer_list_for_testing = nullptr); |
| |
| bool CC_EXPORT LayerShouldBeSkippedForDrawPropertiesComputation( |
| LayerImpl* layer, |
| const PropertyTrees* property_trees); |
| |
| bool CC_EXPORT IsLayerBackFaceVisible(LayerImpl* layer, |
| int transform_tree_index, |
| const PropertyTrees* property_trees); |
| |
| bool CC_EXPORT IsLayerBackFaceVisible(Layer* layer, |
| int transform_tree_index, |
| const PropertyTrees* property_trees); |
| |
| #if DCHECK_IS_ON() |
| // Checks and logs if double background blur exists in any layers. Returns |
| // true if no double background blur is detected, false otherwise. |
| bool CC_EXPORT |
| LogDoubleBackgroundBlur(const LayerTreeImpl& layer_tree_impl, |
| const RenderSurfaceList& render_surface_list); |
| #endif |
| } // namespace draw_property_utils |
| } // namespace cc |
| |
| #endif // CC_TREES_DRAW_PROPERTY_UTILS_H_ |