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https://github.com/servo/servo.git
synced 2025-07-23 07:13:52 +01:00
Flatten the WebRender API to allow us to use shared memory to transfer
display lists. Improves performance significantly. Requires servo/webrender_traits#15 and servo/webrender#222.
This commit is contained in:
Patrick Walton
parent
55fc48e4c4
commit
5e17325e54
5 changed files with 62 additions and 41 deletions
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@ -19,7 +19,7 @@ use msg::constellation_msg::ConvertPipelineIdToWebRender;
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use style::computed_values::filter::{self, Filter};
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use style::computed_values::{image_rendering, mix_blend_mode};
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use style::values::computed::BorderStyle;
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use webrender_traits;
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use webrender_traits::{self, AuxiliaryListsBuilder};
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trait WebRenderStackingContextConverter {
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fn convert_to_webrender<'a>(&self,
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@ -27,7 +27,8 @@ trait WebRenderStackingContextConverter {
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api: &webrender_traits::RenderApi,
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pipeline_id: webrender_traits::PipelineId,
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epoch: webrender_traits::Epoch,
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>)
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder)
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-> webrender_traits::StackingContextId;
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fn convert_children_to_webrender<'a>(&self,
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@ -37,6 +38,7 @@ trait WebRenderStackingContextConverter {
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epoch: webrender_traits::Epoch,
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>,
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builder: &mut webrender_traits::DisplayListBuilder,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder,
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force_positioned_stacking_level: bool);
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fn web_render_stacking_level(&self) -> webrender_traits::StackingLevel;
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@ -47,14 +49,16 @@ pub trait WebRenderDisplayListConverter {
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api: &webrender_traits::RenderApi,
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pipeline_id: webrender_traits::PipelineId,
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epoch: webrender_traits::Epoch,
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>)
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder)
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-> webrender_traits::StackingContextId;
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}
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trait WebRenderDisplayItemConverter {
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fn convert_to_webrender(&self,
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level: webrender_traits::StackingLevel,
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builder: &mut webrender_traits::DisplayListBuilder);
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builder: &mut webrender_traits::DisplayListBuilder,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder);
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}
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trait WebRenderDisplayListEntryConverter {
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@ -167,18 +171,21 @@ impl ToGradientStop for GradientStop {
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}
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trait ToClipRegion {
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fn to_clip_region(&self) -> webrender_traits::ClipRegion;
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fn to_clip_region(&self, auxiliary_lists_builder: &mut AuxiliaryListsBuilder)
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-> webrender_traits::ClipRegion;
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}
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impl ToClipRegion for ClippingRegion {
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fn to_clip_region(&self) -> webrender_traits::ClipRegion {
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webrender_traits::ClipRegion::new(self.main.to_rectf(),
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fn to_clip_region(&self, auxiliary_lists_builder: &mut AuxiliaryListsBuilder)
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-> webrender_traits::ClipRegion {
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webrender_traits::ClipRegion::new(&self.main.to_rectf(),
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self.complex.iter().map(|complex_clipping_region| {
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webrender_traits::ComplexClipRegion::new(
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complex_clipping_region.rect.to_rectf(),
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complex_clipping_region.radii.to_border_radius(),
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)
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}).collect())
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}).collect(),
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auxiliary_lists_builder)
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}
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}
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@ -270,6 +277,7 @@ impl WebRenderStackingContextConverter for StackingContext {
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epoch: webrender_traits::Epoch,
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>,
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builder: &mut webrender_traits::DisplayListBuilder,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder,
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force_positioned_stacking_level: bool) {
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for child in self.children.iter() {
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while let Some(item) = traversal.advance(self) {
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@ -278,7 +286,7 @@ impl WebRenderStackingContextConverter for StackingContext {
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} else {
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item.web_render_stacking_level()
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};
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item.item.convert_to_webrender(stacking_level, builder);
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item.item.convert_to_webrender(stacking_level, builder, auxiliary_lists_builder);
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}
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if child.context_type == StackingContextType::Real {
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@ -286,7 +294,8 @@ impl WebRenderStackingContextConverter for StackingContext {
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api,
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pipeline_id,
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epoch,
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None);
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None,
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auxiliary_lists_builder);
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builder.push_stacking_context(child.web_render_stacking_level(),
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stacking_context_id);
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} else {
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@ -296,13 +305,15 @@ impl WebRenderStackingContextConverter for StackingContext {
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epoch,
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scroll_layer_id,
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builder,
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auxiliary_lists_builder,
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true);
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}
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}
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while let Some(item) = traversal.advance(self) {
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item.item.convert_to_webrender(webrender_traits::StackingLevel::PositionedContent,
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builder);
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builder,
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auxiliary_lists_builder);
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}
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}
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@ -311,7 +322,8 @@ impl WebRenderStackingContextConverter for StackingContext {
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api: &webrender_traits::RenderApi,
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pipeline_id: webrender_traits::PipelineId,
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epoch: webrender_traits::Epoch,
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>)
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder)
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-> webrender_traits::StackingContextId {
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let scroll_policy = self.layer_info
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.map_or(webrender_traits::ScrollPolicy::Scrollable, |info| {
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@ -330,7 +342,8 @@ impl WebRenderStackingContextConverter for StackingContext {
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&self.perspective,
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self.establishes_3d_context,
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self.blend_mode.to_blend_mode(),
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self.filters.to_filter_ops());
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self.filters.to_filter_ops(),
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auxiliary_lists_builder);
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let mut builder = webrender_traits::DisplayListBuilder::new();
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self.convert_children_to_webrender(traversal,
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api,
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@ -338,8 +351,9 @@ impl WebRenderStackingContextConverter for StackingContext {
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epoch,
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scroll_layer_id,
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&mut builder,
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auxiliary_lists_builder,
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false);
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api.add_display_list(builder, &mut sc, pipeline_id, epoch);
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api.add_display_list(builder.finalize(), &mut sc, pipeline_id, epoch);
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api.add_stacking_context(sc, pipeline_id, epoch)
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}
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@ -357,7 +371,8 @@ impl WebRenderDisplayListConverter for DisplayList {
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api: &webrender_traits::RenderApi,
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pipeline_id: webrender_traits::PipelineId,
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epoch: webrender_traits::Epoch,
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>)
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scroll_layer_id: Option<webrender_traits::ScrollLayerId>,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder)
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-> webrender_traits::StackingContextId {
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let mut traversal = DisplayListTraversal {
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display_list: self,
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@ -369,21 +384,23 @@ impl WebRenderDisplayListConverter for DisplayList {
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api,
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pipeline_id,
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epoch,
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scroll_layer_id)
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scroll_layer_id,
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auxiliary_lists_builder)
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}
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}
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impl WebRenderDisplayItemConverter for DisplayItem {
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fn convert_to_webrender(&self,
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level: webrender_traits::StackingLevel,
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builder: &mut webrender_traits::DisplayListBuilder) {
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builder: &mut webrender_traits::DisplayListBuilder,
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auxiliary_lists_builder: &mut AuxiliaryListsBuilder) {
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match *self {
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DisplayItem::SolidColorClass(ref item) => {
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let color = item.color.to_colorf();
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if color.a > 0.0 {
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builder.push_rect(level,
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item.base.bounds.to_rectf(),
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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color);
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}
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}
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@ -408,12 +425,13 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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if glyphs.len() > 0 {
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builder.push_text(level,
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item.base.bounds.to_rectf(),
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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glyphs,
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item.text_run.font_key.expect("Font not added to webrender!"),
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item.text_color.to_colorf(),
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item.text_run.actual_pt_size,
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item.blur_radius);
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item.blur_radius,
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auxiliary_lists_builder);
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}
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}
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DisplayItem::ImageClass(ref item) => {
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@ -422,7 +440,7 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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item.stretch_size.height > Au(0) {
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builder.push_image(level,
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item.base.bounds.to_rectf(),
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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item.stretch_size.to_sizef(),
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item.image_rendering.to_image_rendering(),
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id);
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@ -432,7 +450,7 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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DisplayItem::WebGLClass(ref item) => {
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builder.push_webgl_canvas(level,
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item.base.bounds.to_rectf(),
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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item.context_id);
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}
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DisplayItem::BorderClass(ref item) => {
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@ -460,7 +478,7 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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let radius = item.radius.to_border_radius();
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builder.push_border(level,
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rect,
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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left,
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top,
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right,
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@ -477,10 +495,11 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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}
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builder.push_gradient(level,
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rect,
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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start_point,
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end_point,
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stops);
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stops,
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auxiliary_lists_builder);
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}
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DisplayItem::LineClass(..) => {
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println!("TODO DisplayItem::LineClass");
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@ -494,7 +513,7 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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let box_bounds = item.box_bounds.to_rectf();
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builder.push_box_shadow(level,
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rect,
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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box_bounds,
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item.offset.to_pointf(),
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item.color.to_colorf(),
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@ -508,7 +527,7 @@ impl WebRenderDisplayItemConverter for DisplayItem {
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let pipeline_id = item.iframe.to_webrender();
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builder.push_iframe(level,
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rect,
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item.base.clip.to_clip_region(),
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item.base.clip.to_clip_region(auxiliary_lists_builder),
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pipeline_id);
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}
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}
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