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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/trees/draw_property_utils.h" | 5 #include "cc/trees/draw_property_utils.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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950 gfx::Rect(layer->bounds())); | 950 gfx::Rect(layer->bounds())); |
951 layer->draw_properties().drawable_content_rect = LayerDrawableContentRect( | 951 layer->draw_properties().drawable_content_rect = LayerDrawableContentRect( |
952 layer, bounds_in_target_space, layer->draw_properties().clip_rect); | 952 layer, bounds_in_target_space, layer->draw_properties().clip_rect); |
953 } | 953 } |
954 } | 954 } |
955 | 955 |
956 void ComputeMaskDrawProperties(LayerImpl* mask_layer, | 956 void ComputeMaskDrawProperties(LayerImpl* mask_layer, |
957 const PropertyTrees* property_trees) { | 957 const PropertyTrees* property_trees) { |
958 // Mask draw properties are used only for rastering, so most of the draw | 958 // Mask draw properties are used only for rastering, so most of the draw |
959 // properties computed for other layers are not needed. | 959 // properties computed for other layers are not needed. |
| 960 // Draw transform of a mask layer has to be a 2d scale. |
| 961 // TODO(sunxd): the draw transform of a mask layer misses the "scale to fit" |
| 962 // factor from mask layer to its parent. So does the screen space transform. |
| 963 // It does not cause a problem because currently we only have 1:1 mask layer. |
| 964 mask_layer->draw_properties().target_space_transform = DrawTransform( |
| 965 mask_layer, property_trees->transform_tree, property_trees->effect_tree); |
960 mask_layer->draw_properties().screen_space_transform = | 966 mask_layer->draw_properties().screen_space_transform = |
961 ScreenSpaceTransformInternal(mask_layer, | 967 ScreenSpaceTransformInternal(mask_layer, |
962 property_trees->transform_tree); | 968 property_trees->transform_tree); |
963 mask_layer->draw_properties().visible_layer_rect = | 969 mask_layer->draw_properties().visible_layer_rect = |
964 gfx::Rect(mask_layer->bounds()); | 970 gfx::Rect(mask_layer->bounds()); |
965 } | 971 } |
966 | 972 |
967 void ComputeSurfaceDrawProperties(PropertyTrees* property_trees, | 973 void ComputeSurfaceDrawProperties(PropertyTrees* property_trees, |
968 RenderSurfaceImpl* render_surface, | 974 RenderSurfaceImpl* render_surface, |
969 const bool use_layer_lists) { | 975 const bool use_layer_lists) { |
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1022 void UpdateElasticOverscroll(PropertyTrees* property_trees, | 1028 void UpdateElasticOverscroll(PropertyTrees* property_trees, |
1023 const Layer* overscroll_elasticity_layer, | 1029 const Layer* overscroll_elasticity_layer, |
1024 const gfx::Vector2dF& elastic_overscroll) { | 1030 const gfx::Vector2dF& elastic_overscroll) { |
1025 UpdateElasticOverscrollInternal(property_trees, overscroll_elasticity_layer, | 1031 UpdateElasticOverscrollInternal(property_trees, overscroll_elasticity_layer, |
1026 elastic_overscroll); | 1032 elastic_overscroll); |
1027 } | 1033 } |
1028 | 1034 |
1029 } // namespace draw_property_utils | 1035 } // namespace draw_property_utils |
1030 | 1036 |
1031 } // namespace cc | 1037 } // namespace cc |
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