зеркало из https://github.com/mozilla/gecko-dev.git
servo: Merge #13957 - Track overflow:scroll stacking contexts with ScrollRootId instead of StackingContextId (from mrobinson:scroll_root); r=glennw
<!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [ ] These changes fix #__ (github issue number if applicable). <!-- Either: --> - [ ] There are tests for these changes OR - [x] These changes do not require tests because this PR should not change behavior. <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 3a3f3192a87dbcd5d05efb82a1f4dde23f9c4cf7 --HG-- rename : servo/resources/shaders/box_shadow.fs.glsl => servo/resources/shaders/cs_box_shadow.fs.glsl rename : servo/resources/shaders/ps_box_shadow.glsl => servo/resources/shaders/cs_box_shadow.glsl
This commit is contained in:
Martin Robinson
Родитель
fac49d9715
Коммит
9a67ba798b
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@ -11,7 +11,7 @@ use euclid::{Point2D, Size2D};
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use euclid::point::TypedPoint2D;
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use euclid::scale_factor::ScaleFactor;
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use euclid::size::TypedSize2D;
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use gfx_traits::{DevicePixel, LayerPixel, StackingContextId};
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use gfx_traits::{DevicePixel, LayerPixel, ScrollRootId};
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use gfx_traits::{Epoch, FrameTreeId, FragmentType};
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use gleam::gl;
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use gleam::gl::types::{GLint, GLsizei};
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@ -74,13 +74,13 @@ impl ConvertPipelineIdFromWebRender for webrender_traits::PipelineId {
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}
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}
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trait ConvertStackingContextFromWebRender {
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fn from_webrender(&self) -> StackingContextId;
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trait ConvertScrollRootIdFromWebRender {
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fn from_webrender(&self) -> ScrollRootId;
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}
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impl ConvertStackingContextFromWebRender for webrender_traits::ServoStackingContextId {
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fn from_webrender(&self) -> StackingContextId {
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StackingContextId::new_of_type(self.1, self.0.from_webrender())
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impl ConvertScrollRootIdFromWebRender for webrender_traits::ServoScrollRootId {
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fn from_webrender(&self) -> ScrollRootId {
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ScrollRootId(self.0)
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}
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}
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@ -1312,7 +1312,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
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let mut stacking_context_scroll_states_per_pipeline = HashMap::new();
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for scroll_layer_state in self.webrender_api.get_scroll_layer_state() {
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let stacking_context_scroll_state = StackingContextScrollState {
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stacking_context_id: scroll_layer_state.stacking_context_id.from_webrender(),
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scroll_root_id: scroll_layer_state.scroll_root_id.from_webrender(),
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scroll_offset: scroll_layer_state.scroll_offset,
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};
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let pipeline_id = scroll_layer_state.pipeline_id;
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@ -20,7 +20,7 @@ use euclid::{Matrix4D, Point2D, Rect, Size2D};
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use euclid::num::{One, Zero};
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use euclid::rect::TypedRect;
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use euclid::side_offsets::SideOffsets2D;
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use gfx_traits::{ScrollPolicy, StackingContextId};
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use gfx_traits::{ScrollPolicy, ScrollRootId, StackingContextId};
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use gfx_traits::print_tree::PrintTree;
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use ipc_channel::ipc::IpcSharedMemory;
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use msg::constellation_msg::PipelineId;
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@ -215,9 +215,11 @@ impl DisplayList {
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// the DOM-side code has already translated the point for us (e.g. in
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// `Window::hit_test_query()`) by now.
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if !is_fixed && stacking_context.id != StackingContextId::root() {
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if let Some(scroll_offset) = scroll_offsets.get(&stacking_context.id) {
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translated_point.x -= Au::from_f32_px(scroll_offset.x);
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translated_point.y -= Au::from_f32_px(scroll_offset.y);
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if let Some(scroll_root_id) = stacking_context.overflow_scroll_id {
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if let Some(scroll_offset) = scroll_offsets.get(&scroll_root_id) {
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translated_point.x -= Au::from_f32_px(scroll_offset.x);
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translated_point.y -= Au::from_f32_px(scroll_offset.y);
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}
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}
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}
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@ -386,7 +388,7 @@ pub struct StackingContext {
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pub children: Vec<StackingContext>,
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/// If this StackingContext scrolls its overflow area, this will contain the id.
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pub overflow_scroll_id: Option<StackingContextId>,
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pub overflow_scroll_id: Option<ScrollRootId>,
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}
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impl StackingContext {
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@ -403,7 +405,7 @@ impl StackingContext {
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perspective: Matrix4D<f32>,
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establishes_3d_context: bool,
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scroll_policy: ScrollPolicy,
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scroll_id: Option<StackingContextId>)
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scroll_root_id: Option<ScrollRootId>)
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-> StackingContext {
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StackingContext {
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id: id,
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@ -418,7 +420,7 @@ impl StackingContext {
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establishes_3d_context: establishes_3d_context,
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scroll_policy: scroll_policy,
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children: Vec::new(),
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overflow_scroll_id: scroll_id,
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overflow_scroll_id: scroll_root_id,
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}
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}
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@ -1194,7 +1196,7 @@ impl WebRenderImageInfo {
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}
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/// The type of the scroll offset list. This is only populated if WebRender is in use.
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pub type ScrollOffsetMap = HashMap<StackingContextId, Point2D<f32>>;
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pub type ScrollOffsetMap = HashMap<ScrollRootId, Point2D<f32>>;
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pub trait SimpleMatrixDetection {
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@ -162,6 +162,58 @@ impl StackingContextId {
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}
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}
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/// A unique ID for every scrolling root.
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#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, HeapSizeOf, PartialEq, Serialize)]
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pub struct ScrollRootId(
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/// The identifier for this StackingContext, derived from the Flow's memory address
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/// and fragment type. As a space optimization, these are combined into a single word.
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pub usize
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);
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impl ScrollRootId {
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/// Returns a new stacking context ID for a special stacking context.
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fn next_special_id() -> usize {
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// We shift this left by 2 to make room for the fragment type ID.
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((NEXT_SPECIAL_STACKING_CONTEXT_ID.fetch_add(1, Ordering::SeqCst) + 1) << 2) &
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SPECIAL_STACKING_CONTEXT_ID_MASK
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}
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#[inline]
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pub fn new_of_type(id: usize, fragment_type: FragmentType) -> ScrollRootId {
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debug_assert_eq!(id & (fragment_type as usize), 0);
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if fragment_type == FragmentType::FragmentBody {
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ScrollRootId(id)
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} else {
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ScrollRootId(ScrollRootId::next_special_id() | (fragment_type as usize))
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}
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}
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/// Returns the stacking context ID for the outer document/layout root.
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#[inline]
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pub fn root() -> ScrollRootId {
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ScrollRootId(0)
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}
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/// Returns true if this is a special stacking context.
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///
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/// A special stacking context is a stacking context that is one of (a) the outer stacking
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/// context of an element with `overflow: scroll`; (b) generated content; (c) both (a) and (b).
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#[inline]
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pub fn is_special(&self) -> bool {
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(self.0 & !SPECIAL_STACKING_CONTEXT_ID_MASK) == 0
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}
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#[inline]
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pub fn id(&self) -> usize {
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self.0 & !3
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}
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#[inline]
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pub fn fragment_type(&self) -> FragmentType {
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FragmentType::from_usize(self.0 & 3)
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}
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}
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/// The type of fragment that a stacking context represents.
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///
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/// This can only ever grow to maximum 4 entries. That's because we cram the value of this enum
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@ -44,6 +44,7 @@ use flow_ref::FlowRef;
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use fragment::{CoordinateSystem, Fragment, FragmentBorderBoxIterator, Overflow};
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use fragment::SpecificFragmentInfo;
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use gfx::display_list::{ClippingRegion, StackingContext};
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use gfx_traits::ScrollRootId;
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use gfx_traits::print_tree::PrintTree;
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use layout_debug;
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use model::{CollapsibleMargins, IntrinsicISizes, MarginCollapseInfo, MaybeAuto};
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@ -2162,8 +2163,10 @@ impl Flow for BlockFlow {
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}
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}
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fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
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self.collect_stacking_contexts_for_block(parent);
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fn collect_stacking_contexts(&mut self,
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parent: &mut StackingContext,
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parent_scroll_root_id: ScrollRootId) {
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self.collect_stacking_contexts_for_block(parent, parent_scroll_root_id);
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}
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fn build_display_list(&mut self, state: &mut DisplayListBuildState) {
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@ -28,7 +28,7 @@ use gfx::display_list::{GradientStop, IframeDisplayItem, ImageDisplayItem, WebGL
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use gfx::display_list::{LineDisplayItem, OpaqueNode};
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use gfx::display_list::{SolidColorDisplayItem, StackingContext, StackingContextType};
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use gfx::display_list::{TextDisplayItem, TextOrientation, WebRenderImageInfo};
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use gfx_traits::{ScrollPolicy, StackingContextId, color};
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use gfx_traits::{ScrollPolicy, ScrollRootId, StackingContextId, color};
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use inline::{FIRST_FRAGMENT_OF_ELEMENT, InlineFlow, LAST_FRAGMENT_OF_ELEMENT};
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use ipc_channel::ipc;
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use list_item::ListItemFlow;
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@ -78,6 +78,7 @@ pub struct DisplayListBuildState<'a> {
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pub shared_layout_context: &'a SharedLayoutContext,
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pub items: Vec<DisplayItem>,
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pub stacking_context_id_stack: Vec<StackingContextId>,
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pub scroll_root_id_stack: Vec<ScrollRootId>,
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}
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impl<'a> DisplayListBuildState<'a> {
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@ -88,6 +89,7 @@ impl<'a> DisplayListBuildState<'a> {
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shared_layout_context: shared_layout_context,
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items: Vec::new(),
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stacking_context_id_stack: vec!(stacking_context_id),
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scroll_root_id_stack: vec!(ScrollRootId::root()),
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}
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}
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@ -95,7 +97,7 @@ impl<'a> DisplayListBuildState<'a> {
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self.items.push(display_item);
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}
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fn stacking_context_id(&self) -> StackingContextId {
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pub fn stacking_context_id(&self) -> StackingContextId {
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self.stacking_context_id_stack.last().unwrap().clone()
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}
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@ -108,6 +110,19 @@ impl<'a> DisplayListBuildState<'a> {
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assert!(!self.stacking_context_id_stack.is_empty());
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}
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pub fn scroll_root_id(&mut self) -> ScrollRootId {
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self.scroll_root_id_stack.last().unwrap().clone()
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}
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pub fn push_scroll_root_id(&mut self, id: ScrollRootId) {
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self.scroll_root_id_stack.push(id);
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}
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pub fn pop_scroll_root_id(&mut self) {
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self.scroll_root_id_stack.pop();
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assert!(!self.scroll_root_id_stack.is_empty());
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}
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fn create_base_display_item(&self,
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bounds: &Rect<Au>,
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clip: &ClippingRegion,
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@ -299,7 +314,7 @@ pub trait FragmentDisplayListBuilding {
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base_flow: &BaseFlow,
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scroll_policy: ScrollPolicy,
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mode: StackingContextCreationMode,
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scroll_id: Option<StackingContextId>)
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scroll_root_id: Option<ScrollRootId>)
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-> StackingContext;
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/// Returns the 4D matrix representing this fragment's transform.
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@ -1356,7 +1371,7 @@ impl FragmentDisplayListBuilding for Fragment {
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base_flow: &BaseFlow,
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scroll_policy: ScrollPolicy,
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mode: StackingContextCreationMode,
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scroll_id: Option<StackingContextId>)
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scroll_root_id: Option<ScrollRootId>)
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-> StackingContext {
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let scrolls_overflow_area = mode == StackingContextCreationMode::ScrollWrapper;
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let border_box =
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@ -1431,7 +1446,7 @@ impl FragmentDisplayListBuilding for Fragment {
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perspective,
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establishes_3d_context,
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scroll_policy,
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scroll_id)
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scroll_root_id)
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}
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fn adjust_clipping_region_for_children(&self,
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@ -1687,7 +1702,9 @@ impl FragmentDisplayListBuilding for Fragment {
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}
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pub trait BlockFlowDisplayListBuilding {
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fn collect_stacking_contexts_for_block(&mut self, parent: &mut StackingContext);
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fn collect_stacking_contexts_for_block(&mut self,
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parent: &mut StackingContext,
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parent_scroll_root_id: ScrollRootId);
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fn build_display_list_for_block(&mut self,
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state: &mut DisplayListBuildState,
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border_painting_mode: BorderPaintingMode);
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@ -1704,17 +1721,29 @@ pub trait BlockFlowDisplayListBuilding {
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}
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impl BlockFlowDisplayListBuilding for BlockFlow {
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fn collect_stacking_contexts_for_block(&mut self, parent: &mut StackingContext) {
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fn collect_stacking_contexts_for_block(&mut self,
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parent: &mut StackingContext,
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parent_scroll_root_id: ScrollRootId) {
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let block_stacking_context_type = self.block_stacking_context_type();
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if block_stacking_context_type == BlockStackingContextType::NonstackingContext {
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self.base.stacking_context_id = parent.id;
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self.base.collect_stacking_contexts_for_children(parent);
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self.base.collect_stacking_contexts_for_children(parent, parent_scroll_root_id);
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return;
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}
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let has_scrolling_overflow = self.has_scrolling_overflow();
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let stacking_context_id = StackingContextId::new_of_type(self.fragment.node.id() as usize,
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self.fragment.fragment_type());
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let has_scrolling_overflow = self.has_scrolling_overflow();
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let scroll_root_id = if has_scrolling_overflow {
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ScrollRootId::new_of_type(self.fragment.node.id() as usize,
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self.fragment.fragment_type())
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} else {
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parent_scroll_root_id
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};
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self.base.scroll_root_id = scroll_root_id;
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self.base.stacking_context_id = stacking_context_id;
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if block_stacking_context_type == BlockStackingContextType::PseudoStackingContext {
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|
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@ -1731,7 +1760,7 @@ impl BlockFlowDisplayListBuilding for BlockFlow {
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ScrollPolicy::Scrollable,
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creation_mode,
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None);
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self.base.collect_stacking_contexts_for_children(&mut new_context);
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self.base.collect_stacking_contexts_for_children(&mut new_context, scroll_root_id);
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let new_children: Vec<StackingContext> = new_context.children.drain(..).collect();
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let mut non_floating_children = Vec::new();
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@ -1755,10 +1784,7 @@ impl BlockFlowDisplayListBuilding for BlockFlow {
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};
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let (creation_mode, internal_id) = if has_scrolling_overflow {
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(StackingContextCreationMode::ScrollWrapper,
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Some(StackingContextId::new_of_type(self.fragment.node.id() as usize,
|
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self.fragment.fragment_type())))
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(StackingContextCreationMode::ScrollWrapper, Some(self.base.scroll_root_id))
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} else {
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(StackingContextCreationMode::Normal, None)
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};
|
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|
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@ -1769,7 +1795,7 @@ impl BlockFlowDisplayListBuilding for BlockFlow {
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scroll_policy,
|
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creation_mode,
|
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internal_id);
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self.base.collect_stacking_contexts_for_children(&mut stacking_context);
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self.base.collect_stacking_contexts_for_children(&mut stacking_context, scroll_root_id);
|
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|
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parent.add_child(stacking_context);
|
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}
|
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|
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@ -1859,7 +1885,9 @@ impl BlockFlowDisplayListBuilding for BlockFlow {
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}
|
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|
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pub trait InlineFlowDisplayListBuilding {
|
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fn collect_stacking_contexts_for_inline(&mut self, parent: &mut StackingContext);
|
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fn collect_stacking_contexts_for_inline(&mut self,
|
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parent: &mut StackingContext,
|
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parent_scroll_root_id: ScrollRootId);
|
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fn build_display_list_for_inline_fragment_at_index(&mut self,
|
||||
state: &mut DisplayListBuildState,
|
||||
index: usize);
|
||||
|
|
@ -1867,18 +1895,21 @@ pub trait InlineFlowDisplayListBuilding {
|
|||
}
|
||||
|
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impl InlineFlowDisplayListBuilding for InlineFlow {
|
||||
fn collect_stacking_contexts_for_inline(&mut self, parent: &mut StackingContext) {
|
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fn collect_stacking_contexts_for_inline(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.base.stacking_context_id = parent.id;
|
||||
self.base.scroll_root_id = parent_scroll_root_id;
|
||||
|
||||
for mut fragment in self.fragments.fragments.iter_mut() {
|
||||
match fragment.specific {
|
||||
SpecificFragmentInfo::InlineBlock(ref mut block_flow) => {
|
||||
let block_flow = flow_ref::deref_mut(&mut block_flow.flow_ref);
|
||||
block_flow.collect_stacking_contexts(parent);
|
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block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
SpecificFragmentInfo::InlineAbsoluteHypothetical(ref mut block_flow) => {
|
||||
let block_flow = flow_ref::deref_mut(&mut block_flow.flow_ref);
|
||||
block_flow.collect_stacking_contexts(parent);
|
||||
block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
_ if fragment.establishes_stacking_context() => {
|
||||
fragment.stacking_context_id =
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ use flow::{Flow, FlowClass, ImmutableFlowUtils, OpaqueFlow};
|
|||
use flow::{INLINE_POSITION_IS_STATIC, IS_ABSOLUTELY_POSITIONED};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use layout_debug;
|
||||
use model::{Direction, IntrinsicISizes, MaybeAuto, MinMaxConstraint};
|
||||
use model::{specified, specified_or_none};
|
||||
|
|
@ -956,8 +957,10 @@ impl Flow for FlexFlow {
|
|||
self.build_display_list_for_flex(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -35,7 +35,7 @@ use flow_list::{FlowList, MutFlowListIterator};
|
|||
use flow_ref::{self, FlowRef, WeakFlowRef};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::{ClippingRegion, StackingContext};
|
||||
use gfx_traits::StackingContextId;
|
||||
use gfx_traits::{ScrollRootId, StackingContextId};
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use inline::InlineFlow;
|
||||
use model::{CollapsibleMargins, IntrinsicISizes, MarginCollapseInfo};
|
||||
|
|
@ -223,7 +223,9 @@ pub trait Flow: fmt::Debug + Sync + Send + 'static {
|
|||
None
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, _parent: &mut StackingContext);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
_parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId);
|
||||
|
||||
/// If this is a float, places it. The default implementation does nothing.
|
||||
fn place_float_if_applicable<'a>(&mut self) {}
|
||||
|
|
@ -935,6 +937,8 @@ pub struct BaseFlow {
|
|||
/// to 0, but it assigned during the collect_stacking_contexts phase of display
|
||||
/// list construction.
|
||||
pub stacking_context_id: StackingContextId,
|
||||
|
||||
pub scroll_root_id: ScrollRootId,
|
||||
}
|
||||
|
||||
impl fmt::Debug for BaseFlow {
|
||||
|
|
@ -1105,6 +1109,7 @@ impl BaseFlow {
|
|||
writing_mode: writing_mode,
|
||||
thread_id: 0,
|
||||
stacking_context_id: StackingContextId::new(0),
|
||||
scroll_root_id: ScrollRootId::root(),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1136,9 +1141,11 @@ impl BaseFlow {
|
|||
return self as *const BaseFlow as usize;
|
||||
}
|
||||
|
||||
pub fn collect_stacking_contexts_for_children(&mut self, parent: &mut StackingContext) {
|
||||
pub fn collect_stacking_contexts_for_children(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
for kid in self.children.iter_mut() {
|
||||
kid.collect_stacking_contexts(parent);
|
||||
kid.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@ use fragment::SpecificFragmentInfo;
|
|||
use gfx::display_list::{OpaqueNode, StackingContext};
|
||||
use gfx::font::FontMetrics;
|
||||
use gfx::font_context::FontContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use layout_debug;
|
||||
use model::IntrinsicISizesContribution;
|
||||
|
|
@ -1613,8 +1614,10 @@ impl Flow for InlineFlow {
|
|||
|
||||
fn update_late_computed_block_position_if_necessary(&mut self, _: Au) {}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.collect_stacking_contexts_for_inline(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.collect_stacking_contexts_for_inline(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn build_display_list(&mut self, state: &mut DisplayListBuildState) {
|
||||
|
|
|
|||
|
|
@ -18,6 +18,7 @@ use fragment::{CoordinateSystem, Fragment, FragmentBorderBoxIterator, GeneratedC
|
|||
use fragment::Overflow;
|
||||
use generated_content;
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use inline::InlineFlow;
|
||||
use script_layout_interface::restyle_damage::RESOLVE_GENERATED_CONTENT;
|
||||
use std::sync::Arc;
|
||||
|
|
@ -145,8 +146,10 @@ impl Flow for ListItemFlow {
|
|||
self.build_display_list_for_list_item(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ use flow::{Flow, FlowClass, OpaqueFlow, mut_base, FragmentationContext};
|
|||
use flow_ref::{self, FlowRef};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use std::cmp::{min, max};
|
||||
use std::fmt;
|
||||
|
|
@ -185,8 +186,10 @@ impl Flow for MulticolFlow {
|
|||
self.block_flow.build_display_list(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
@ -267,8 +270,10 @@ impl Flow for MulticolColumnFlow {
|
|||
self.block_flow.build_display_list(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ use flow::IS_ABSOLUTELY_POSITIONED;
|
|||
use fragment::FragmentBorderBoxIterator;
|
||||
use generated_content::ResolveGeneratedContent;
|
||||
use gfx::display_list::{DisplayItem, StackingContext};
|
||||
use gfx_traits::ScrollRootId;
|
||||
use script_layout_interface::restyle_damage::{REFLOW, STORE_OVERFLOW};
|
||||
use style::context::StyleContext;
|
||||
use traversal::{AssignBSizes, AssignISizes, BubbleISizes, BuildDisplayList};
|
||||
|
|
@ -78,7 +79,7 @@ pub fn build_display_list_for_subtree(flow_root: &mut Flow,
|
|||
root_stacking_context: &mut StackingContext,
|
||||
shared_layout_context: &SharedLayoutContext)
|
||||
-> Vec<DisplayItem> {
|
||||
flow_root.collect_stacking_contexts(root_stacking_context);
|
||||
flow_root.collect_stacking_contexts(root_stacking_context, ScrollRootId::root());
|
||||
let mut build_display_list = BuildDisplayList {
|
||||
state: DisplayListBuildState::new(shared_layout_context,
|
||||
flow::base(flow_root).stacking_context_id),
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@ use flow::{BaseFlow, EarlyAbsolutePositionInfo, Flow, FlowClass, ImmutableFlowUt
|
|||
use flow_list::MutFlowListIterator;
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use layout_debug;
|
||||
use model::{IntrinsicISizes, IntrinsicISizesContribution, MaybeAuto};
|
||||
|
|
@ -489,8 +490,10 @@ impl Flow for TableFlow {
|
|||
self.block_flow.build_display_list_for_block(state, border_painting_mode);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -14,6 +14,7 @@ use euclid::Point2D;
|
|||
use flow::{Flow, FlowClass, OpaqueFlow};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use std::fmt;
|
||||
use std::sync::Arc;
|
||||
|
|
@ -82,8 +83,10 @@ impl Flow for TableCaptionFlow {
|
|||
self.block_flow.build_display_list(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@ use euclid::{Point2D, Rect, SideOffsets2D, Size2D};
|
|||
use flow::{self, Flow, FlowClass, IS_ABSOLUTELY_POSITIONED, OpaqueFlow};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use layout_debug;
|
||||
use model::MaybeAuto;
|
||||
|
|
@ -256,8 +257,10 @@ impl Flow for TableCellFlow {
|
|||
self.block_flow.build_display_list_for_block(state, border_painting_mode)
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@ use euclid::Point2D;
|
|||
use flow::{BaseFlow, Flow, FlowClass, ForceNonfloatedFlag, OpaqueFlow};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow, SpecificFragmentInfo};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use layout_debug;
|
||||
use std::cmp::max;
|
||||
use std::fmt;
|
||||
|
|
@ -95,7 +96,9 @@ impl Flow for TableColGroupFlow {
|
|||
// Table columns are invisible.
|
||||
fn build_display_list(&mut self, _: &mut DisplayListBuildState) { }
|
||||
|
||||
fn collect_stacking_contexts(&mut self, _parent: &mut StackingContext) { }
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
_parent: &mut StackingContext,
|
||||
_parent_scroll_root_id: ScrollRootId) {}
|
||||
|
||||
fn repair_style(&mut self, _: &Arc<ServoComputedValues>) {}
|
||||
|
||||
|
|
|
|||
|
|
@ -16,6 +16,7 @@ use flow::{self, EarlyAbsolutePositionInfo, Flow, FlowClass, ImmutableFlowUtils,
|
|||
use flow_list::MutFlowListIterator;
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use layout_debug;
|
||||
use model::MaybeAuto;
|
||||
|
|
@ -458,8 +459,10 @@ impl Flow for TableRowFlow {
|
|||
self.block_flow.build_display_list_for_block(state, border_painting_mode);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -14,6 +14,7 @@ use euclid::Point2D;
|
|||
use flow::{Flow, FlowClass, OpaqueFlow};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use layout_debug;
|
||||
use rustc_serialize::{Encodable, Encoder};
|
||||
|
|
@ -211,8 +212,10 @@ impl Flow for TableRowGroupFlow {
|
|||
self.block_flow.build_display_list(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@ use floats::FloatKind;
|
|||
use flow::{Flow, FlowClass, ImmutableFlowUtils, INLINE_POSITION_IS_STATIC, OpaqueFlow};
|
||||
use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
|
||||
use gfx::display_list::StackingContext;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use gfx_traits::print_tree::PrintTree;
|
||||
use model::MaybeAuto;
|
||||
use std::cmp::{max, min};
|
||||
|
|
@ -468,8 +469,10 @@ impl Flow for TableWrapperFlow {
|
|||
self.block_flow.build_display_list(state);
|
||||
}
|
||||
|
||||
fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
|
||||
self.block_flow.collect_stacking_contexts(parent);
|
||||
fn collect_stacking_contexts(&mut self,
|
||||
parent: &mut StackingContext,
|
||||
parent_scroll_root_id: ScrollRootId) {
|
||||
self.block_flow.collect_stacking_contexts(parent, parent_scroll_root_id);
|
||||
}
|
||||
|
||||
fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
|
||||
|
|
|
|||
|
|
@ -264,10 +264,28 @@ impl<'a> BuildDisplayList<'a> {
|
|||
#[inline]
|
||||
pub fn traverse(&mut self, flow: &mut Flow) {
|
||||
if self.should_process() {
|
||||
self.state.push_stacking_context_id(flow::base(flow).stacking_context_id);
|
||||
let new_stacking_context =
|
||||
flow::base(flow).stacking_context_id != self.state.stacking_context_id();
|
||||
if new_stacking_context {
|
||||
self.state.push_stacking_context_id(flow::base(flow).stacking_context_id);
|
||||
}
|
||||
|
||||
let new_scroll_root =
|
||||
flow::base(flow).scroll_root_id != self.state.scroll_root_id();
|
||||
if new_scroll_root {
|
||||
self.state.push_scroll_root_id(flow::base(flow).scroll_root_id);
|
||||
}
|
||||
|
||||
flow.build_display_list(&mut self.state);
|
||||
flow::mut_base(flow).restyle_damage.remove(REPAINT);
|
||||
self.state.pop_stacking_context_id();
|
||||
|
||||
if new_stacking_context {
|
||||
self.state.pop_stacking_context_id();
|
||||
}
|
||||
|
||||
if new_scroll_root {
|
||||
self.state.pop_scroll_root_id();
|
||||
}
|
||||
}
|
||||
|
||||
for kid in flow::child_iter_mut(flow) {
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@ use euclid::{Point2D, Rect, Size2D};
|
|||
use gfx::display_list::{BorderRadii, BoxShadowClipMode, ClippingRegion};
|
||||
use gfx::display_list::{DisplayItem, DisplayList, DisplayListTraversal};
|
||||
use gfx::display_list::{GradientStop, StackingContext, StackingContextType};
|
||||
use gfx_traits::{FragmentType, ScrollPolicy, StackingContextId};
|
||||
use gfx_traits::{FragmentType, ScrollPolicy, StackingContextId, ScrollRootId};
|
||||
use style::computed_values::{image_rendering, mix_blend_mode};
|
||||
use style::computed_values::filter::{self, Filter};
|
||||
use style::values::computed::BorderStyle;
|
||||
|
|
@ -287,18 +287,16 @@ impl WebRenderStackingContextConverter for StackingContext {
|
|||
ScrollPolicy::FixedPosition => webrender_traits::ScrollPolicy::Fixed,
|
||||
};
|
||||
|
||||
let webrender_stacking_context_id = self.id.convert_to_webrender();
|
||||
|
||||
let scroll_layer_id = if self.overflow_scroll_id.is_some() ||
|
||||
self.id == StackingContextId::root() {
|
||||
Some(frame_builder.next_scroll_layer_id())
|
||||
let scroll_layer_id = if let Some(scroll_root_id) = self.overflow_scroll_id {
|
||||
Some(frame_builder.next_scroll_layer_id(scroll_root_id))
|
||||
} else if self.id == StackingContextId::root() {
|
||||
Some(frame_builder.next_scroll_layer_id(ScrollRootId::root()))
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let mut sc =
|
||||
webrender_traits::StackingContext::new(webrender_stacking_context_id,
|
||||
scroll_layer_id,
|
||||
webrender_traits::StackingContext::new(scroll_layer_id,
|
||||
webrender_scroll_policy,
|
||||
self.bounds.to_rectf(),
|
||||
self.overflow.to_rectf(),
|
||||
|
|
@ -532,21 +530,25 @@ impl WebRenderFrameBuilder {
|
|||
id
|
||||
}
|
||||
|
||||
pub fn next_scroll_layer_id(&mut self) -> webrender_traits::ScrollLayerId {
|
||||
pub fn next_scroll_layer_id(&mut self,
|
||||
scroll_root_id: ScrollRootId)
|
||||
-> webrender_traits::ScrollLayerId {
|
||||
let scroll_layer_id = self.next_scroll_layer_id;
|
||||
self.next_scroll_layer_id += 1;
|
||||
webrender_traits::ScrollLayerId::new(self.root_pipeline_id, scroll_layer_id)
|
||||
webrender_traits::ScrollLayerId::new(self.root_pipeline_id,
|
||||
scroll_layer_id,
|
||||
scroll_root_id.convert_to_webrender())
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
trait WebRenderStackingContextIdConverter {
|
||||
fn convert_to_webrender(&self) -> webrender_traits::ServoStackingContextId;
|
||||
trait WebRenderScrollRootIdConverter {
|
||||
fn convert_to_webrender(&self) -> webrender_traits::ServoScrollRootId;
|
||||
}
|
||||
|
||||
impl WebRenderStackingContextIdConverter for StackingContextId {
|
||||
fn convert_to_webrender(&self) -> webrender_traits::ServoStackingContextId {
|
||||
webrender_traits::ServoStackingContextId(self.fragment_type().convert_to_webrender(),
|
||||
self.id())
|
||||
impl WebRenderScrollRootIdConverter for ScrollRootId {
|
||||
fn convert_to_webrender(&self) -> webrender_traits::ServoScrollRootId {
|
||||
webrender_traits::ServoScrollRootId(self.0)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -57,7 +57,7 @@ use gfx::display_list::{StackingContext, StackingContextType, WebRenderImageInfo
|
|||
use gfx::font;
|
||||
use gfx::font_cache_thread::FontCacheThread;
|
||||
use gfx::font_context;
|
||||
use gfx_traits::{Epoch, FragmentType, ScrollPolicy, StackingContextId, color};
|
||||
use gfx_traits::{Epoch, FragmentType, ScrollPolicy, ScrollRootId, StackingContextId, color};
|
||||
use heapsize::HeapSizeOf;
|
||||
use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
|
||||
use ipc_channel::router::ROUTER;
|
||||
|
|
@ -1285,14 +1285,13 @@ impl LayoutThread {
|
|||
let mut layout_scroll_states = HashMap::new();
|
||||
for new_scroll_state in &new_scroll_states {
|
||||
let offset = new_scroll_state.scroll_offset;
|
||||
layout_scroll_states.insert(new_scroll_state.stacking_context_id, offset);
|
||||
layout_scroll_states.insert(new_scroll_state.scroll_root_id, offset);
|
||||
|
||||
if new_scroll_state.stacking_context_id == StackingContextId::root() {
|
||||
if new_scroll_state.scroll_root_id == ScrollRootId::root() {
|
||||
script_scroll_states.push((UntrustedNodeAddress::from_id(0), offset))
|
||||
} else if !new_scroll_state.stacking_context_id.is_special() &&
|
||||
new_scroll_state.stacking_context_id.fragment_type() ==
|
||||
FragmentType::FragmentBody {
|
||||
let id = new_scroll_state.stacking_context_id.id();
|
||||
} else if !new_scroll_state.scroll_root_id.is_special() &&
|
||||
new_scroll_state.scroll_root_id.fragment_type() == FragmentType::FragmentBody {
|
||||
let id = new_scroll_state.scroll_root_id.id();
|
||||
script_scroll_states.push((UntrustedNodeAddress::from_id(id), offset))
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -45,7 +45,7 @@ use euclid::scale_factor::ScaleFactor;
|
|||
use euclid::size::TypedSize2D;
|
||||
use gfx_traits::DevicePixel;
|
||||
use gfx_traits::Epoch;
|
||||
use gfx_traits::StackingContextId;
|
||||
use gfx_traits::ScrollRootId;
|
||||
use heapsize::HeapSizeOf;
|
||||
use hyper::header::Headers;
|
||||
use hyper::method::Method;
|
||||
|
|
@ -600,8 +600,8 @@ pub enum AnimationTickType {
|
|||
/// The scroll state of a stacking context.
|
||||
#[derive(Copy, Clone, Debug, Deserialize, Serialize)]
|
||||
pub struct StackingContextScrollState {
|
||||
/// The ID of the stacking context.
|
||||
pub stacking_context_id: StackingContextId,
|
||||
/// The ID of the scroll root.
|
||||
pub scroll_root_id: ScrollRootId,
|
||||
/// The scrolling offset of this stacking context.
|
||||
pub scroll_offset: Point2D<f32>,
|
||||
}
|
||||
|
|
|
|||
|
|
@ -46,8 +46,8 @@ dependencies = [
|
|||
"util 0.0.1",
|
||||
"util_tests 0.0.1",
|
||||
"webdriver_server 0.0.1",
|
||||
"webrender 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -233,7 +233,7 @@ dependencies = [
|
|||
"offscreen_gl_context 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"plugins 0.0.1",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -250,7 +250,7 @@ dependencies = [
|
|||
"plugins 0.0.1",
|
||||
"serde 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_derive 0.8.12 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -338,8 +338,8 @@ dependencies = [
|
|||
"time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -370,7 +370,7 @@ dependencies = [
|
|||
"style_traits 0.0.1",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -815,7 +815,7 @@ dependencies = [
|
|||
"unicode-script 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"xi-unicode 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
|
@ -1167,7 +1167,7 @@ dependencies = [
|
|||
"unicode-script 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1207,7 +1207,7 @@ dependencies = [
|
|||
"style 0.0.1",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1221,7 +1221,7 @@ dependencies = [
|
|||
"profile_traits 0.0.1",
|
||||
"script_traits 0.0.1",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1390,7 +1390,7 @@ dependencies = [
|
|||
"plugins 0.0.1",
|
||||
"serde 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_derive 0.8.12 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1428,7 +1428,7 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"uuid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
|
|
@ -1486,7 +1486,7 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"uuid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
|
|
@ -1983,7 +1983,7 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"uuid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"xml5ever 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
|
@ -2659,8 +2659,8 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "webrender"
|
||||
version = "0.7.0"
|
||||
source = "git+https://github.com/servo/webrender#4440d1daa3d6e9630d4b164f7bae644b9dc4cb8a"
|
||||
version = "0.8.0"
|
||||
source = "git+https://github.com/servo/webrender#d44b1ffd3ea9e9e97ef7a70c1ac0f53bbd626850"
|
||||
dependencies = [
|
||||
"app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"bincode 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
|
|
@ -2679,13 +2679,13 @@ dependencies = [
|
|||
"offscreen_gl_context 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rayon 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "webrender_traits"
|
||||
version = "0.7.0"
|
||||
source = "git+https://github.com/servo/webrender#4440d1daa3d6e9630d4b164f7bae644b9dc4cb8a"
|
||||
version = "0.8.0"
|
||||
source = "git+https://github.com/servo/webrender#d44b1ffd3ea9e9e97ef7a70c1ac0f53bbd626850"
|
||||
dependencies = [
|
||||
"app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
|
|
@ -3001,8 +3001,8 @@ dependencies = [
|
|||
"checksum wayland-sys 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9633f7fe5de56544215f82eaf1b76bf1b584becf7f08b58cbef4c2c7d10e803a"
|
||||
"checksum wayland-window 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "309b69d3a863c9c21422d889fb7d98cf02f8a2ca054960a49243ce5b67ad884c"
|
||||
"checksum webdriver 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee2d66e90672022ced375134329c57be4db228b19b120b97b744a469c381be06"
|
||||
"checksum webrender 0.7.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum webrender_traits 0.7.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum webrender 0.8.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum webrender_traits 0.8.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4a1a6ea5ed0367f32eb3d94dcc58859ef4294b5f75ba983dbf56ac314af45d"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
|
|
|
|||
|
|
@ -206,7 +206,7 @@ dependencies = [
|
|||
"offscreen_gl_context 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"plugins 0.0.1",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -223,7 +223,7 @@ dependencies = [
|
|||
"plugins 0.0.1",
|
||||
"serde 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_derive 0.8.12 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -295,8 +295,8 @@ dependencies = [
|
|||
"time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -327,7 +327,7 @@ dependencies = [
|
|||
"style_traits 0.0.1",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -731,7 +731,7 @@ dependencies = [
|
|||
"unicode-script 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"xi-unicode 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
|
@ -1074,7 +1074,7 @@ dependencies = [
|
|||
"unicode-script 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1107,7 +1107,7 @@ dependencies = [
|
|||
"style 0.0.1",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1121,7 +1121,7 @@ dependencies = [
|
|||
"profile_traits 0.0.1",
|
||||
"script_traits 0.0.1",
|
||||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1290,7 +1290,7 @@ dependencies = [
|
|||
"plugins 0.0.1",
|
||||
"serde 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"serde_derive 0.8.12 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -1328,7 +1328,7 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"uuid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
|
|
@ -1364,7 +1364,7 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"uuid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
|
|
@ -1834,7 +1834,7 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"uuid 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"xml5ever 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
|
@ -1991,8 +1991,8 @@ dependencies = [
|
|||
"url 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"util 0.0.1",
|
||||
"webdriver_server 0.0.1",
|
||||
"webrender 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
|
|
@ -2517,8 +2517,8 @@ dependencies = [
|
|||
|
||||
[[package]]
|
||||
name = "webrender"
|
||||
version = "0.7.0"
|
||||
source = "git+https://github.com/servo/webrender#4440d1daa3d6e9630d4b164f7bae644b9dc4cb8a"
|
||||
version = "0.8.0"
|
||||
source = "git+https://github.com/servo/webrender#d44b1ffd3ea9e9e97ef7a70c1ac0f53bbd626850"
|
||||
dependencies = [
|
||||
"app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"bincode 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
|
|
@ -2537,13 +2537,13 @@ dependencies = [
|
|||
"offscreen_gl_context 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"rayon 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"time 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"webrender_traits 0.7.0 (git+https://github.com/servo/webrender)",
|
||||
"webrender_traits 0.8.0 (git+https://github.com/servo/webrender)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "webrender_traits"
|
||||
version = "0.7.0"
|
||||
source = "git+https://github.com/servo/webrender#4440d1daa3d6e9630d4b164f7bae644b9dc4cb8a"
|
||||
version = "0.8.0"
|
||||
source = "git+https://github.com/servo/webrender#d44b1ffd3ea9e9e97ef7a70c1ac0f53bbd626850"
|
||||
dependencies = [
|
||||
"app_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
|
|
@ -2853,8 +2853,8 @@ dependencies = [
|
|||
"checksum wayland-sys 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9633f7fe5de56544215f82eaf1b76bf1b584becf7f08b58cbef4c2c7d10e803a"
|
||||
"checksum wayland-window 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "309b69d3a863c9c21422d889fb7d98cf02f8a2ca054960a49243ce5b67ad884c"
|
||||
"checksum webdriver 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee2d66e90672022ced375134329c57be4db228b19b120b97b744a469c381be06"
|
||||
"checksum webrender 0.7.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum webrender_traits 0.7.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum webrender 0.8.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum webrender_traits 0.8.0 (git+https://github.com/servo/webrender)" = "<none>"
|
||||
"checksum websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4a1a6ea5ed0367f32eb3d94dcc58859ef4294b5f75ba983dbf56ac314af45d"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
|
|
|
|||
|
|
@ -0,0 +1,148 @@
|
|||
#line 1
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
// See http://asciimath.org to render the equations here.
|
||||
|
||||
// The Gaussian function used for blurring:
|
||||
//
|
||||
// G_sigma(x) = 1/sqrt(2 pi sigma^2) e^(-x^2/(2 sigma^2))
|
||||
float gauss(float x, float sigma) {
|
||||
float sigmaPow2 = sigma * sigma;
|
||||
return 1.0 / sqrt(6.283185307179586 * sigmaPow2) * exp(-(x * x) / (2.0 * sigmaPow2));
|
||||
}
|
||||
|
||||
// An approximation of the error function, which is related to the integral of the Gaussian
|
||||
// function:
|
||||
//
|
||||
// "erf"(x) = 2/sqrt(pi) int_0^x e^(-t^2) dt
|
||||
// ~~ 1 - 1 / (1 + a_1 x + a_2 x^2 + a_3 x^3 + a_4 x^4)^4
|
||||
//
|
||||
// where:
|
||||
//
|
||||
// a_1 = 0.278393, a_2 = 0.230389, a_3 = 0.000972, a_4 = 0.078108
|
||||
//
|
||||
// This approximation is accurate to `5 xx 10^-4`, more than accurate enough for our purposes.
|
||||
//
|
||||
// See: https://en.wikipedia.org/wiki/Error_function#Approximation_with_elementary_functions
|
||||
float erf(float x) {
|
||||
bool negative = x < 0.0;
|
||||
if (negative)
|
||||
x = -x;
|
||||
float x2 = x * x;
|
||||
float x3 = x2 * x;
|
||||
float x4 = x2 * x2;
|
||||
float denom = 1.0 + 0.278393 * x + 0.230389 * x2 + 0.000972 * x3 + 0.078108 * x4;
|
||||
float result = 1.0 - 1.0 / (denom * denom * denom * denom);
|
||||
return negative ? -result : result;
|
||||
}
|
||||
|
||||
// A useful helper for calculating integrals of the Gaussian function via the error function:
|
||||
//
|
||||
// "erf"_sigma(x) = 2 int 1/sqrt(2 pi sigma^2) e^(-x^2/(2 sigma^2)) dx
|
||||
// = "erf"(x/(sigma sqrt(2)))
|
||||
float erfSigma(float x, float sigma) {
|
||||
return erf(x / (sigma * 1.4142135623730951));
|
||||
}
|
||||
|
||||
// Returns the blurred color value from the box itself (not counting any rounded corners). `p_0` is
|
||||
// the vector distance to the top left corner of the box; `p_1` is the vector distance to its
|
||||
// bottom right corner.
|
||||
//
|
||||
// "colorFromRect"_sigma(p_0, p_1)
|
||||
// = int_{p_{0_y}}^{p_{1_y}} int_{p_{1_x}}^{p_{0_x}} G_sigma(y) G_sigma(x) dx dy
|
||||
// = 1/4 ("erf"_sigma(p_{1_x}) - "erf"_sigma(p_{0_x}))
|
||||
// ("erf"_sigma(p_{1_y}) - "erf"_sigma(p_{0_y}))
|
||||
float colorFromRect(vec2 p0, vec2 p1, float sigma) {
|
||||
return (erfSigma(p1.x, sigma) - erfSigma(p0.x, sigma)) *
|
||||
(erfSigma(p1.y, sigma) - erfSigma(p0.y, sigma)) / 4.0;
|
||||
}
|
||||
|
||||
// Returns the `x` coordinate on the ellipse with the given radii for the given `y` coordinate:
|
||||
//
|
||||
// "ellipsePoint"(y, y_0, a, b) = a sqrt(1 - ((y - y_0) / b)^2)
|
||||
float ellipsePoint(float y, float y0, vec2 radii) {
|
||||
float bStep = (y - y0) / radii.y;
|
||||
return radii.x * sqrt(1.0 - bStep * bStep);
|
||||
}
|
||||
|
||||
// A helper function to compute the value that needs to be subtracted to accommodate the border
|
||||
// corners.
|
||||
//
|
||||
// "colorCutout"_sigma(x_{0_l}, x_{0_r}, y_0, y_{min}, y_{max}, a, b)
|
||||
// = int_{y_{min}}^{y_{max}}
|
||||
// int_{x_{0_r} + "ellipsePoint"(y, y_0, a, b)}^{x_{0_r} + a} G_sigma(y) G_sigma(x) dx
|
||||
// + int_{x_{0_l} - a}^{x_{0_l} - "ellipsePoint"(y, y_0, a, b)} G_sigma(y) G_sigma(x)
|
||||
// dx dy
|
||||
// = int_{y_{min}}^{y_{max}} 1/2 G_sigma(y)
|
||||
// ("erf"_sigma(x_{0_r} + a) - "erf"_sigma(x_{0_r} + "ellipsePoint"(y, y_0, a, b)) +
|
||||
// "erf"_sigma(x_{0_l} - "ellipsePoint"(y, y_0, a, b)) - "erf"_sigma(x_{0_l} - a))
|
||||
//
|
||||
// with the outer integral evaluated numerically.
|
||||
float colorCutoutGeneral(float x0l,
|
||||
float x0r,
|
||||
float y0,
|
||||
float yMin,
|
||||
float yMax,
|
||||
vec2 radii,
|
||||
float sigma) {
|
||||
float sum = 0.0;
|
||||
for (float y = yMin; y <= yMax; y += 1.0) {
|
||||
float xEllipsePoint = ellipsePoint(y, y0, radii);
|
||||
sum += gauss(y, sigma) *
|
||||
(erfSigma(x0r + radii.x, sigma) - erfSigma(x0r + xEllipsePoint, sigma) +
|
||||
erfSigma(x0l - xEllipsePoint, sigma) - erfSigma(x0l - radii.x, sigma));
|
||||
}
|
||||
return sum / 2.0;
|
||||
}
|
||||
|
||||
// The value that needs to be subtracted to accommodate the top border corners.
|
||||
float colorCutoutTop(float x0l, float x0r, float y0, vec2 radii, float sigma) {
|
||||
return colorCutoutGeneral(x0l, x0r, y0, y0, y0 + radii.y, radii, sigma);
|
||||
}
|
||||
|
||||
// The value that needs to be subtracted to accommodate the bottom border corners.
|
||||
float colorCutoutBottom(float x0l, float x0r, float y0, vec2 radii, float sigma) {
|
||||
return colorCutoutGeneral(x0l, x0r, y0, y0 - radii.y, y0, radii, sigma);
|
||||
}
|
||||
|
||||
// The blurred color value for the point at `pos` with the top left corner of the box at
|
||||
// `p_{0_"rect"}` and the bottom right corner of the box at `p_{1_"rect"}`.
|
||||
float color(vec2 pos, vec2 p0Rect, vec2 p1Rect, vec2 radii, float sigma) {
|
||||
// Compute the vector distances `p_0` and `p_1`.
|
||||
vec2 p0 = p0Rect - pos, p1 = p1Rect - pos;
|
||||
|
||||
// Compute the basic color `"colorFromRect"_sigma(p_0, p_1)`. This is all we have to do if
|
||||
// the box is unrounded.
|
||||
float cRect = colorFromRect(p0, p1, sigma);
|
||||
if (radii.x == 0.0 || radii.y == 0.0)
|
||||
return cRect;
|
||||
|
||||
// Compute the inner corners of the box, taking border radii into account: `x_{0_l}`,
|
||||
// `y_{0_t}`, `x_{0_r}`, and `y_{0_b}`.
|
||||
float x0l = p0.x + radii.x;
|
||||
float y0t = p1.y - radii.y;
|
||||
float x0r = p1.x - radii.x;
|
||||
float y0b = p0.y + radii.y;
|
||||
|
||||
// Compute the final color:
|
||||
//
|
||||
// "colorFromRect"_sigma(p_0, p_1) -
|
||||
// ("colorCutoutTop"_sigma(x_{0_l}, x_{0_r}, y_{0_t}, a, b) +
|
||||
// "colorCutoutBottom"_sigma(x_{0_l}, x_{0_r}, y_{0_b}, a, b))
|
||||
float cCutoutTop = colorCutoutTop(x0l, x0r, y0t, radii, sigma);
|
||||
float cCutoutBottom = colorCutoutBottom(x0l, x0r, y0b, radii, sigma);
|
||||
return cRect - (cCutoutTop + cCutoutBottom);
|
||||
}
|
||||
|
||||
void main(void) {
|
||||
vec2 pos = vPos.xy;
|
||||
vec2 p0Rect = vBoxShadowRect.xy, p1Rect = vBoxShadowRect.zw;
|
||||
vec2 radii = vBorderRadii.xy;
|
||||
float sigma = vBlurRadius / 2.0;
|
||||
float value = color(pos, p0Rect, p1Rect, radii, sigma);
|
||||
|
||||
value = max(value, 0.0);
|
||||
oFragColor = vec4(1.0, 1.0, 1.0, vInverted == 1.0 ? 1.0 - value : value);
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
#line 1
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
varying vec2 vPos;
|
||||
flat varying vec2 vBorderRadii;
|
||||
flat varying float vBlurRadius;
|
||||
flat varying vec4 vBoxShadowRect;
|
||||
flat varying float vInverted;
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
#line 1
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
void main(void) {
|
||||
CachePrimitiveInstance cpi = fetch_cache_instance(gl_InstanceID);
|
||||
RenderTaskData task = fetch_render_task(cpi.render_task_index);
|
||||
BoxShadow bs = fetch_boxshadow(cpi.specific_prim_index);
|
||||
|
||||
vec2 p0 = task.data0.xy;
|
||||
vec2 p1 = p0 + task.data0.zw;
|
||||
|
||||
vec2 pos = mix(p0, p1, aPosition.xy);
|
||||
|
||||
vBorderRadii = bs.border_radius_edge_size_blur_radius_inverted.xx;
|
||||
vBlurRadius = bs.border_radius_edge_size_blur_radius_inverted.z;
|
||||
vInverted = bs.border_radius_edge_size_blur_radius_inverted.w;
|
||||
vBoxShadowRect = vec4(bs.bs_rect.xy, bs.bs_rect.xy + bs.bs_rect.zw);
|
||||
|
||||
// The fragment shader expects logical units, beginning at where the
|
||||
// blur radius begins.
|
||||
// The first path of the equation gets the virtual position in
|
||||
// logical pixels within the patch rectangle (accounting for
|
||||
// bilinear offset). Then we add the start position of the
|
||||
// box shadow rect and subtract the blur radius to get the
|
||||
// virtual coordinates that the FS expects.
|
||||
vPos = (pos - 1.0 - p0) / uDevicePixelRatio + bs.bs_rect.xy - vec2(2.0 * vBlurRadius);
|
||||
|
||||
gl_Position = uTransform * vec4(pos, 0.0, 1.0);
|
||||
}
|
||||
|
|
@ -39,7 +39,7 @@ uniform sampler2DArray sCache;
|
|||
#ifdef WR_VERTEX_SHADER
|
||||
|
||||
#define VECS_PER_LAYER 13
|
||||
#define VECS_PER_TILE 2
|
||||
#define VECS_PER_RENDER_TASK 2
|
||||
#define VECS_PER_PRIM_GEOM 2
|
||||
|
||||
#define GRADIENT_HORIZONTAL 0
|
||||
|
|
@ -121,18 +121,33 @@ Layer fetch_layer(int index) {
|
|||
return layer;
|
||||
}
|
||||
|
||||
struct RenderTaskData {
|
||||
vec4 data0;
|
||||
vec4 data1;
|
||||
};
|
||||
|
||||
RenderTaskData fetch_render_task(int index) {
|
||||
RenderTaskData task;
|
||||
|
||||
ivec2 uv = get_fetch_uv(index, VECS_PER_RENDER_TASK);
|
||||
|
||||
task.data0 = texelFetchOffset(sRenderTasks, uv, 0, ivec2(0, 0));
|
||||
task.data1 = texelFetchOffset(sRenderTasks, uv, 0, ivec2(1, 0));
|
||||
|
||||
return task;
|
||||
}
|
||||
|
||||
struct Tile {
|
||||
vec4 screen_origin_task_origin;
|
||||
vec4 size_target_index;
|
||||
};
|
||||
|
||||
Tile fetch_tile(int index) {
|
||||
RenderTaskData task = fetch_render_task(index);
|
||||
|
||||
Tile tile;
|
||||
|
||||
ivec2 uv = get_fetch_uv(index, VECS_PER_TILE);
|
||||
|
||||
tile.screen_origin_task_origin = texelFetchOffset(sRenderTasks, uv, 0, ivec2(0, 0));
|
||||
tile.size_target_index = texelFetchOffset(sRenderTasks, uv, 0, ivec2(1, 0));
|
||||
tile.screen_origin_task_origin = task.data0;
|
||||
tile.size_target_index = task.data1;
|
||||
|
||||
return tile;
|
||||
}
|
||||
|
|
@ -259,6 +274,27 @@ PrimitiveInstance fetch_instance(int index) {
|
|||
|
||||
return pi;
|
||||
}
|
||||
|
||||
struct CachePrimitiveInstance {
|
||||
int global_prim_index;
|
||||
int specific_prim_index;
|
||||
int render_task_index;
|
||||
};
|
||||
|
||||
CachePrimitiveInstance fetch_cache_instance(int index) {
|
||||
CachePrimitiveInstance cpi;
|
||||
|
||||
int offset = index * 1;
|
||||
|
||||
ivec4 data0 = int_data[offset + 0];
|
||||
|
||||
cpi.global_prim_index = data0.x;
|
||||
cpi.specific_prim_index = data0.y;
|
||||
cpi.render_task_index = data0.z;
|
||||
|
||||
return cpi;
|
||||
}
|
||||
|
||||
struct Primitive {
|
||||
Layer layer;
|
||||
Tile tile;
|
||||
|
|
@ -553,7 +589,7 @@ struct BoxShadow {
|
|||
vec4 src_rect;
|
||||
vec4 bs_rect;
|
||||
vec4 color;
|
||||
vec4 border_radii_blur_radius_inverted;
|
||||
vec4 border_radius_edge_size_blur_radius_inverted;
|
||||
};
|
||||
|
||||
BoxShadow fetch_boxshadow(int index) {
|
||||
|
|
@ -564,7 +600,7 @@ BoxShadow fetch_boxshadow(int index) {
|
|||
bs.src_rect = texelFetchOffset(sData64, uv, 0, ivec2(0, 0));
|
||||
bs.bs_rect = texelFetchOffset(sData64, uv, 0, ivec2(1, 0));
|
||||
bs.color = texelFetchOffset(sData64, uv, 0, ivec2(2, 0));
|
||||
bs.border_radii_blur_radius_inverted = texelFetchOffset(sData64, uv, 0, ivec2(3, 0));
|
||||
bs.border_radius_edge_size_blur_radius_inverted = texelFetchOffset(sData64, uv, 0, ivec2(3, 0));
|
||||
|
||||
return bs;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,150 +2,8 @@
|
|||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
// See http://asciimath.org to render the equations here.
|
||||
|
||||
// The Gaussian function used for blurring:
|
||||
//
|
||||
// G_sigma(x) = 1/sqrt(2 pi sigma^2) e^(-x^2/(2 sigma^2))
|
||||
float gauss(float x, float sigma) {
|
||||
float sigmaPow2 = sigma * sigma;
|
||||
return 1.0 / sqrt(6.283185307179586 * sigmaPow2) * exp(-(x * x) / (2.0 * sigmaPow2));
|
||||
}
|
||||
|
||||
// An approximation of the error function, which is related to the integral of the Gaussian
|
||||
// function:
|
||||
//
|
||||
// "erf"(x) = 2/sqrt(pi) int_0^x e^(-t^2) dt
|
||||
// ~~ 1 - 1 / (1 + a_1 x + a_2 x^2 + a_3 x^3 + a_4 x^4)^4
|
||||
//
|
||||
// where:
|
||||
//
|
||||
// a_1 = 0.278393, a_2 = 0.230389, a_3 = 0.000972, a_4 = 0.078108
|
||||
//
|
||||
// This approximation is accurate to `5 xx 10^-4`, more than accurate enough for our purposes.
|
||||
//
|
||||
// See: https://en.wikipedia.org/wiki/Error_function#Approximation_with_elementary_functions
|
||||
float erf(float x) {
|
||||
bool negative = x < 0.0;
|
||||
if (negative)
|
||||
x = -x;
|
||||
float x2 = x * x;
|
||||
float x3 = x2 * x;
|
||||
float x4 = x2 * x2;
|
||||
float denom = 1.0 + 0.278393 * x + 0.230389 * x2 + 0.000972 * x3 + 0.078108 * x4;
|
||||
float result = 1.0 - 1.0 / (denom * denom * denom * denom);
|
||||
return negative ? -result : result;
|
||||
}
|
||||
|
||||
// A useful helper for calculating integrals of the Gaussian function via the error function:
|
||||
//
|
||||
// "erf"_sigma(x) = 2 int 1/sqrt(2 pi sigma^2) e^(-x^2/(2 sigma^2)) dx
|
||||
// = "erf"(x/(sigma sqrt(2)))
|
||||
float erfSigma(float x, float sigma) {
|
||||
return erf(x / (sigma * 1.4142135623730951));
|
||||
}
|
||||
|
||||
// Returns the blurred color value from the box itself (not counting any rounded corners). `p_0` is
|
||||
// the vector distance to the top left corner of the box; `p_1` is the vector distance to its
|
||||
// bottom right corner.
|
||||
//
|
||||
// "colorFromRect"_sigma(p_0, p_1)
|
||||
// = int_{p_{0_y}}^{p_{1_y}} int_{p_{1_x}}^{p_{0_x}} G_sigma(y) G_sigma(x) dx dy
|
||||
// = 1/4 ("erf"_sigma(p_{1_x}) - "erf"_sigma(p_{0_x}))
|
||||
// ("erf"_sigma(p_{1_y}) - "erf"_sigma(p_{0_y}))
|
||||
float colorFromRect(vec2 p0, vec2 p1, float sigma) {
|
||||
return (erfSigma(p1.x, sigma) - erfSigma(p0.x, sigma)) *
|
||||
(erfSigma(p1.y, sigma) - erfSigma(p0.y, sigma)) / 4.0;
|
||||
}
|
||||
|
||||
// Returns the `x` coordinate on the ellipse with the given radii for the given `y` coordinate:
|
||||
//
|
||||
// "ellipsePoint"(y, y_0, a, b) = a sqrt(1 - ((y - y_0) / b)^2)
|
||||
float ellipsePoint(float y, float y0, vec2 radii) {
|
||||
float bStep = (y - y0) / radii.y;
|
||||
return radii.x * sqrt(1.0 - bStep * bStep);
|
||||
}
|
||||
|
||||
// A helper function to compute the value that needs to be subtracted to accommodate the border
|
||||
// corners.
|
||||
//
|
||||
// "colorCutout"_sigma(x_{0_l}, x_{0_r}, y_0, y_{min}, y_{max}, a, b)
|
||||
// = int_{y_{min}}^{y_{max}}
|
||||
// int_{x_{0_r} + "ellipsePoint"(y, y_0, a, b)}^{x_{0_r} + a} G_sigma(y) G_sigma(x) dx
|
||||
// + int_{x_{0_l} - a}^{x_{0_l} - "ellipsePoint"(y, y_0, a, b)} G_sigma(y) G_sigma(x)
|
||||
// dx dy
|
||||
// = int_{y_{min}}^{y_{max}} 1/2 G_sigma(y)
|
||||
// ("erf"_sigma(x_{0_r} + a) - "erf"_sigma(x_{0_r} + "ellipsePoint"(y, y_0, a, b)) +
|
||||
// "erf"_sigma(x_{0_l} - "ellipsePoint"(y, y_0, a, b)) - "erf"_sigma(x_{0_l} - a))
|
||||
//
|
||||
// with the outer integral evaluated numerically.
|
||||
float colorCutoutGeneral(float x0l,
|
||||
float x0r,
|
||||
float y0,
|
||||
float yMin,
|
||||
float yMax,
|
||||
vec2 radii,
|
||||
float sigma) {
|
||||
float sum = 0.0;
|
||||
for (float y = yMin; y <= yMax; y += 1.0) {
|
||||
float xEllipsePoint = ellipsePoint(y, y0, radii);
|
||||
sum += gauss(y, sigma) *
|
||||
(erfSigma(x0r + radii.x, sigma) - erfSigma(x0r + xEllipsePoint, sigma) +
|
||||
erfSigma(x0l - xEllipsePoint, sigma) - erfSigma(x0l - radii.x, sigma));
|
||||
}
|
||||
return sum / 2.0;
|
||||
}
|
||||
|
||||
// The value that needs to be subtracted to accommodate the top border corners.
|
||||
float colorCutoutTop(float x0l, float x0r, float y0, vec2 radii, float sigma) {
|
||||
return colorCutoutGeneral(x0l, x0r, y0, y0, y0 + radii.y, radii, sigma);
|
||||
}
|
||||
|
||||
// The value that needs to be subtracted to accommodate the bottom border corners.
|
||||
float colorCutoutBottom(float x0l, float x0r, float y0, vec2 radii, float sigma) {
|
||||
return colorCutoutGeneral(x0l, x0r, y0, y0 - radii.y, y0, radii, sigma);
|
||||
}
|
||||
|
||||
// The blurred color value for the point at `pos` with the top left corner of the box at
|
||||
// `p_{0_"rect"}` and the bottom right corner of the box at `p_{1_"rect"}`.
|
||||
float color(vec2 pos, vec2 p0Rect, vec2 p1Rect, vec2 radii, float sigma) {
|
||||
// Compute the vector distances `p_0` and `p_1`.
|
||||
vec2 p0 = p0Rect - pos, p1 = p1Rect - pos;
|
||||
|
||||
// Compute the basic color `"colorFromRect"_sigma(p_0, p_1)`. This is all we have to do if
|
||||
// the box is unrounded.
|
||||
float cRect = colorFromRect(p0, p1, sigma);
|
||||
if (radii.x == 0.0 || radii.y == 0.0)
|
||||
return cRect;
|
||||
|
||||
// Compute the inner corners of the box, taking border radii into account: `x_{0_l}`,
|
||||
// `y_{0_t}`, `x_{0_r}`, and `y_{0_b}`.
|
||||
float x0l = p0.x + radii.x;
|
||||
float y0t = p1.y - radii.y;
|
||||
float x0r = p1.x - radii.x;
|
||||
float y0b = p0.y + radii.y;
|
||||
|
||||
// Compute the final color:
|
||||
//
|
||||
// "colorFromRect"_sigma(p_0, p_1) -
|
||||
// ("colorCutoutTop"_sigma(x_{0_l}, x_{0_r}, y_{0_t}, a, b) +
|
||||
// "colorCutoutBottom"_sigma(x_{0_l}, x_{0_r}, y_{0_b}, a, b))
|
||||
float cCutoutTop = colorCutoutTop(x0l, x0r, y0t, radii, sigma);
|
||||
float cCutoutBottom = colorCutoutBottom(x0l, x0r, y0b, radii, sigma);
|
||||
return cRect - (cCutoutTop + cCutoutBottom);
|
||||
}
|
||||
|
||||
void main(void) {
|
||||
vec2 pos = vPos.xy;
|
||||
vec2 p0Rect = vBoxShadowRect.xy, p1Rect = vBoxShadowRect.zw;
|
||||
vec2 radii = vBorderRadii.xy;
|
||||
float sigma = vBlurRadius / 2.0;
|
||||
float value = color(pos, p0Rect, p1Rect, radii, sigma);
|
||||
|
||||
value = max(value, 0.0);
|
||||
oFragColor = vColor * vec4(1.0, 1.0, 1.0, vInverted == 1.0 ? 1.0 - value : value);
|
||||
vec2 uv = min(vec2(1.0), vMirrorPoint - abs(vUv.xy - vMirrorPoint));
|
||||
uv = mix(vCacheUvRectCoords.xy, vCacheUvRectCoords.zw, uv);
|
||||
oFragColor = vColor * texture(sCache, vec3(uv, vUv.z));
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,10 +2,8 @@
|
|||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
varying vec2 vPos;
|
||||
flat varying vec4 vColor;
|
||||
flat varying vec2 vBorderRadii;
|
||||
flat varying float vBlurRadius;
|
||||
flat varying vec4 vBoxShadowRect;
|
||||
flat varying vec4 vSrcRect;
|
||||
flat varying float vInverted;
|
||||
|
||||
varying vec3 vUv;
|
||||
flat varying vec2 vMirrorPoint;
|
||||
flat varying vec4 vCacheUvRectCoords;
|
||||
|
|
|
|||
|
|
@ -13,11 +13,19 @@ void main(void) {
|
|||
prim.layer,
|
||||
prim.tile);
|
||||
|
||||
vPos = vi.local_clamped_pos;
|
||||
RenderTaskData child_task = fetch_render_task(prim.user_data.z);
|
||||
vUv.z = child_task.data1.x;
|
||||
|
||||
// Constant offsets to inset from bilinear filtering border.
|
||||
vec2 patch_origin = child_task.data0.xy + vec2(1.0);
|
||||
vec2 patch_size_device_pixels = child_task.data0.zw - vec2(2.0);
|
||||
vec2 patch_size = patch_size_device_pixels / uDevicePixelRatio;
|
||||
|
||||
vUv.xy = (vi.local_clamped_pos - prim.local_rect.xy) / patch_size;
|
||||
vMirrorPoint = 0.5 * prim.local_rect.zw / patch_size;
|
||||
|
||||
vec2 texture_size = vec2(textureSize(sCache, 0));
|
||||
vCacheUvRectCoords = vec4(patch_origin, patch_origin + patch_size_device_pixels) / texture_size.xyxy;
|
||||
|
||||
vColor = bs.color;
|
||||
vBorderRadii = bs.border_radii_blur_radius_inverted.xy;
|
||||
vBlurRadius = bs.border_radii_blur_radius_inverted.z;
|
||||
vBoxShadowRect = vec4(bs.bs_rect.xy, bs.bs_rect.xy + bs.bs_rect.zw);
|
||||
vSrcRect = vec4(bs.src_rect.xy, bs.src_rect.xy + bs.src_rect.zw);
|
||||
vInverted = bs.border_radii_blur_radius_inverted.w;
|
||||
}
|
||||
|
|
|
|||
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