| // Copyright 2012 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_DRAW_PROPERTIES_H_ |
| #define CC_LAYERS_DRAW_PROPERTIES_H_ |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| |
| #include "cc/trees/occlusion.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/rrect_f.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace cc { |
| |
| // Container for properties that layers need to compute before they can be |
| // drawn. |
| struct CC_EXPORT DrawProperties { |
| DrawProperties(); |
| ~DrawProperties(); |
| |
| // Transforms objects from content space to target surface space, where |
| // this layer would be drawn. |
| gfx::Transform target_space_transform; |
| |
| // Transforms objects from content space to screen space (viewport space). |
| gfx::Transform screen_space_transform; |
| |
| // Known occlusion above the layer mapped to the content space of the layer. |
| Occlusion occlusion_in_content_space; |
| |
| // DrawProperties::opacity may be different than LayerImpl::opacity, |
| // particularly in the case when a RenderSurface re-parents the layer's |
| // opacity, or when opacity is compounded by the hierarchy. |
| float opacity; |
| |
| // Whether the layer has a potentially animating transform in its chain of |
| // transforms to the screen. This is essentially a cache of the transform |
| // node's potentially-animated status. |
| bool screen_space_transform_is_animating; |
| |
| // True if the layer needs to be clipped by clip_rect. |
| bool is_clipped; |
| |
| // If set, it makes the layer's rounded corner not trigger a render surface if |
| // possible. |
| bool is_fast_rounded_corner; |
| |
| // This rect is a bounding box around what part of the layer is visible, in |
| // the layer's coordinate space. |
| gfx::Rect visible_layer_rect; |
| |
| // In target surface space, the rect that encloses the clipped, drawable |
| // content of the layer. |
| gfx::Rect drawable_content_rect; |
| |
| // In target surface space, the original rect that clipped this layer. This |
| // value is used to avoid unnecessarily changing GL scissor state. |
| gfx::Rect clip_rect; |
| |
| // Contains a rounded corner rect to clip this layer when drawing. This rrect |
| // is in the target space of the layer. |
| gfx::RRectF rounded_corner_bounds; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_DRAW_PROPERTIES_H_ |