mirror of
https://github.com/servo/servo.git
synced 2025-08-04 21:20:23 +01:00
Deal with changes to the WebRender API
The WebRender display list is now similar to the Servo display list, which simplifies the conversion.
This commit is contained in:
Martin Robinson
parent
65dd6d4340
commit
e164e87e98
4 changed files with 115 additions and 241 deletions
|
|
@ -10,46 +10,20 @@
|
|||
use app_units::Au;
|
||||
use euclid::{Matrix4D, Point2D, Rect, Size2D, TypedRect};
|
||||
use gfx::display_list::{BorderRadii, BoxShadowClipMode, ClippingRegion};
|
||||
use gfx::display_list::{DisplayItem, DisplayList, DisplayListTraversal};
|
||||
use gfx::display_list::{StackingContext, StackingContextType};
|
||||
use gfx::display_list::{DisplayItem, DisplayList, DisplayListTraversal, StackingContextType};
|
||||
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;
|
||||
use webrender_traits::{self, AuxiliaryListsBuilder, DisplayListId, PipelineId};
|
||||
|
||||
trait WebRenderStackingContextConverter {
|
||||
fn convert_to_webrender<'a>(&self,
|
||||
traversal: &mut DisplayListTraversal<'a>,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: webrender_traits::PipelineId,
|
||||
epoch: webrender_traits::Epoch,
|
||||
frame_builder: &mut WebRenderFrameBuilder,
|
||||
scroll_layer_id: Option<webrender_traits::ScrollLayerId>)
|
||||
-> webrender_traits::StackingContextId;
|
||||
|
||||
fn convert_children_to_webrender<'a>(&self,
|
||||
traversal: &mut DisplayListTraversal<'a>,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: webrender_traits::PipelineId,
|
||||
epoch: webrender_traits::Epoch,
|
||||
builder: &mut webrender_traits::DisplayListBuilder,
|
||||
frame_builder: &mut WebRenderFrameBuilder,
|
||||
force_positioned_stacking_level: bool);
|
||||
}
|
||||
use webrender_traits::{self, AuxiliaryListsBuilder, BuiltDisplayList, DisplayListBuilder, PipelineId};
|
||||
|
||||
pub trait WebRenderDisplayListConverter {
|
||||
fn convert_to_webrender(&self,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: webrender_traits::PipelineId,
|
||||
epoch: webrender_traits::Epoch,
|
||||
frame_builder: &mut WebRenderFrameBuilder)
|
||||
-> webrender_traits::StackingContextId;
|
||||
fn convert_to_webrender(&self, frame_builder: &mut WebRenderFrameBuilder) -> BuiltDisplayList;
|
||||
}
|
||||
|
||||
trait WebRenderDisplayItemConverter {
|
||||
fn convert_to_webrender(&self,
|
||||
builder: &mut webrender_traits::DisplayListBuilder,
|
||||
builder: &mut DisplayListBuilder,
|
||||
frame_builder: &mut WebRenderFrameBuilder);
|
||||
}
|
||||
|
||||
|
|
@ -73,7 +47,6 @@ impl ToBorderStyle for BorderStyle {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
trait ToBoxShadowClipMode {
|
||||
fn to_clip_mode(&self) -> webrender_traits::BoxShadowClipMode;
|
||||
}
|
||||
|
|
@ -222,128 +195,20 @@ impl ToFilterOps for filter::T {
|
|||
}
|
||||
}
|
||||
|
||||
impl WebRenderStackingContextConverter for StackingContext {
|
||||
fn convert_children_to_webrender<'a>(&self,
|
||||
traversal: &mut DisplayListTraversal<'a>,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: webrender_traits::PipelineId,
|
||||
epoch: webrender_traits::Epoch,
|
||||
builder: &mut webrender_traits::DisplayListBuilder,
|
||||
frame_builder: &mut WebRenderFrameBuilder,
|
||||
_force_positioned_stacking_level: bool) {
|
||||
while let Some(item) = traversal.next() {
|
||||
match item {
|
||||
&DisplayItem::PushStackingContext(ref stacking_context_item) => {
|
||||
let stacking_context = &stacking_context_item.stacking_context;
|
||||
debug_assert!(stacking_context.context_type == StackingContextType::Real);
|
||||
builder.push_stacking_context(
|
||||
stacking_context.convert_to_webrender(traversal,
|
||||
api,
|
||||
pipeline_id,
|
||||
epoch,
|
||||
frame_builder,
|
||||
None));
|
||||
}
|
||||
&DisplayItem::PushScrollRoot(ref item) => {
|
||||
let stacking_context = StackingContext::new(
|
||||
StackingContextId::new(0),
|
||||
StackingContextType::Real,
|
||||
&item.scroll_root.clip,
|
||||
&TypedRect::new(Point2D::zero(), item.scroll_root.size),
|
||||
0,
|
||||
filter::T::new(Vec::new()),
|
||||
mix_blend_mode::T::normal,
|
||||
Matrix4D::identity(),
|
||||
Matrix4D::identity(),
|
||||
true,
|
||||
ScrollPolicy::Scrollable,
|
||||
ScrollRootId::root());
|
||||
let scroll_layer_id =
|
||||
Some(frame_builder.next_scroll_layer_id(item.scroll_root.id));
|
||||
builder.push_stacking_context(
|
||||
stacking_context.convert_to_webrender(traversal,
|
||||
api,
|
||||
pipeline_id,
|
||||
epoch,
|
||||
frame_builder,
|
||||
scroll_layer_id));
|
||||
}
|
||||
&DisplayItem::PopStackingContext(_) | &DisplayItem::PopScrollRoot(_) => return,
|
||||
_ => item.convert_to_webrender(builder, frame_builder),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn convert_to_webrender<'a>(&self,
|
||||
traversal: &mut DisplayListTraversal<'a>,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: webrender_traits::PipelineId,
|
||||
epoch: webrender_traits::Epoch,
|
||||
frame_builder: &mut WebRenderFrameBuilder,
|
||||
scroll_layer_id: Option<webrender_traits::ScrollLayerId>)
|
||||
-> webrender_traits::StackingContextId {
|
||||
let webrender_scroll_policy = match self.scroll_policy {
|
||||
ScrollPolicy::Scrollable => webrender_traits::ScrollPolicy::Scrollable,
|
||||
ScrollPolicy::FixedPosition => webrender_traits::ScrollPolicy::Fixed,
|
||||
};
|
||||
|
||||
let mut sc =
|
||||
webrender_traits::StackingContext::new(scroll_layer_id,
|
||||
webrender_scroll_policy,
|
||||
self.bounds.to_rectf(),
|
||||
self.overflow.to_rectf(),
|
||||
self.z_index,
|
||||
&self.transform,
|
||||
&self.perspective,
|
||||
self.establishes_3d_context,
|
||||
self.blend_mode.to_blend_mode(),
|
||||
self.filters.to_filter_ops(),
|
||||
&mut frame_builder.auxiliary_lists_builder);
|
||||
|
||||
let mut builder = webrender_traits::DisplayListBuilder::new();
|
||||
self.convert_children_to_webrender(traversal,
|
||||
api,
|
||||
pipeline_id,
|
||||
epoch,
|
||||
&mut builder,
|
||||
frame_builder,
|
||||
false);
|
||||
|
||||
frame_builder.add_display_list(api, builder.finalize(), &mut sc);
|
||||
frame_builder.add_stacking_context(api, pipeline_id, sc)
|
||||
}
|
||||
}
|
||||
|
||||
impl WebRenderDisplayListConverter for DisplayList {
|
||||
fn convert_to_webrender(&self,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: webrender_traits::PipelineId,
|
||||
epoch: webrender_traits::Epoch,
|
||||
frame_builder: &mut WebRenderFrameBuilder)
|
||||
-> webrender_traits::StackingContextId {
|
||||
let mut traversal = DisplayListTraversal::new(self);
|
||||
let item = traversal.next();
|
||||
match item {
|
||||
Some(&DisplayItem::PushStackingContext(ref stacking_context_item)) => {
|
||||
let stacking_context = &stacking_context_item.stacking_context;
|
||||
let scroll_layer_id =
|
||||
Some(frame_builder.next_scroll_layer_id(ScrollRootId::root()));
|
||||
stacking_context.convert_to_webrender(&mut traversal,
|
||||
api,
|
||||
pipeline_id,
|
||||
epoch,
|
||||
frame_builder,
|
||||
scroll_layer_id)
|
||||
}
|
||||
_ => unreachable!("DisplayList did not start with StackingContext."),
|
||||
|
||||
fn convert_to_webrender(&self, frame_builder: &mut WebRenderFrameBuilder) -> BuiltDisplayList {
|
||||
let traversal = DisplayListTraversal::new(self);
|
||||
let mut builder = DisplayListBuilder::new();
|
||||
for item in traversal {
|
||||
item.convert_to_webrender(&mut builder, frame_builder);
|
||||
}
|
||||
builder.finalize()
|
||||
}
|
||||
}
|
||||
|
||||
impl WebRenderDisplayItemConverter for DisplayItem {
|
||||
fn convert_to_webrender(&self,
|
||||
builder: &mut webrender_traits::DisplayListBuilder,
|
||||
builder: &mut DisplayListBuilder,
|
||||
frame_builder: &mut WebRenderFrameBuilder) {
|
||||
match *self {
|
||||
DisplayItem::SolidColor(ref item) => {
|
||||
|
|
@ -472,19 +337,60 @@ impl WebRenderDisplayItemConverter for DisplayItem {
|
|||
item.base.clip.to_clip_region(frame_builder),
|
||||
pipeline_id);
|
||||
}
|
||||
DisplayItem::PushStackingContext(_) |
|
||||
DisplayItem::PopStackingContext(_) |
|
||||
DisplayItem::PushScrollRoot(_) |
|
||||
DisplayItem::PopScrollRoot(_) =>
|
||||
unreachable!("Tried to convert a scroll root or stacking context structure item."),
|
||||
DisplayItem::PushStackingContext(ref item) => {
|
||||
let stacking_context = &item.stacking_context;
|
||||
debug_assert!(stacking_context.context_type == StackingContextType::Real);
|
||||
|
||||
let webrender_scroll_policy = match stacking_context.scroll_policy {
|
||||
ScrollPolicy::Scrollable => webrender_traits::ScrollPolicy::Scrollable,
|
||||
ScrollPolicy::FixedPosition => webrender_traits::ScrollPolicy::Fixed,
|
||||
};
|
||||
|
||||
let scroll_layer_id = if stacking_context.id == StackingContextId::root() {
|
||||
Some(frame_builder.next_scroll_layer_id(ScrollRootId::root()))
|
||||
} else {
|
||||
None
|
||||
};
|
||||
|
||||
let context =
|
||||
webrender_traits::StackingContext::new(
|
||||
scroll_layer_id,
|
||||
webrender_scroll_policy,
|
||||
stacking_context.bounds.to_rectf(),
|
||||
stacking_context.overflow.to_rectf(),
|
||||
stacking_context.z_index,
|
||||
&stacking_context.transform,
|
||||
&stacking_context.perspective,
|
||||
stacking_context.establishes_3d_context,
|
||||
stacking_context.blend_mode.to_blend_mode(),
|
||||
stacking_context.filters.to_filter_ops(),
|
||||
&mut frame_builder.auxiliary_lists_builder);
|
||||
builder.push_stacking_context(context);
|
||||
|
||||
}
|
||||
DisplayItem::PopStackingContext(_) => builder.pop_stacking_context(),
|
||||
DisplayItem::PushScrollRoot(ref item) => {
|
||||
let overflow = TypedRect::new(Point2D::zero(), item.scroll_root.size);
|
||||
let context = webrender_traits::StackingContext::new(
|
||||
Some(frame_builder.next_scroll_layer_id(item.scroll_root.id)),
|
||||
webrender_traits::ScrollPolicy::Scrollable,
|
||||
item.scroll_root.clip.to_rectf(),
|
||||
overflow.to_rectf(),
|
||||
0,
|
||||
&Matrix4D::identity(),
|
||||
&Matrix4D::identity(),
|
||||
true,
|
||||
mix_blend_mode::T::normal.to_blend_mode(),
|
||||
filter::T::new(Vec::new()).to_filter_ops(),
|
||||
&mut frame_builder.auxiliary_lists_builder);
|
||||
builder.push_stacking_context(context);
|
||||
}
|
||||
DisplayItem::PopScrollRoot(_) => builder.pop_stacking_context(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct WebRenderFrameBuilder {
|
||||
pub stacking_contexts: Vec<(webrender_traits::StackingContextId,
|
||||
webrender_traits::StackingContext)>,
|
||||
pub display_lists: Vec<(DisplayListId, webrender_traits::BuiltDisplayList)>,
|
||||
pub auxiliary_lists_builder: AuxiliaryListsBuilder,
|
||||
pub root_pipeline_id: PipelineId,
|
||||
pub next_scroll_layer_id: usize,
|
||||
|
|
@ -493,36 +399,12 @@ pub struct WebRenderFrameBuilder {
|
|||
impl WebRenderFrameBuilder {
|
||||
pub fn new(root_pipeline_id: PipelineId) -> WebRenderFrameBuilder {
|
||||
WebRenderFrameBuilder {
|
||||
stacking_contexts: vec![],
|
||||
display_lists: vec![],
|
||||
auxiliary_lists_builder: AuxiliaryListsBuilder::new(),
|
||||
root_pipeline_id: root_pipeline_id,
|
||||
next_scroll_layer_id: 0,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn add_stacking_context(&mut self,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
pipeline_id: PipelineId,
|
||||
stacking_context: webrender_traits::StackingContext)
|
||||
-> webrender_traits::StackingContextId {
|
||||
assert!(pipeline_id == self.root_pipeline_id);
|
||||
let id = api.next_stacking_context_id();
|
||||
self.stacking_contexts.push((id, stacking_context));
|
||||
id
|
||||
}
|
||||
|
||||
pub fn add_display_list(&mut self,
|
||||
api: &mut webrender_traits::RenderApi,
|
||||
display_list: webrender_traits::BuiltDisplayList,
|
||||
stacking_context: &mut webrender_traits::StackingContext)
|
||||
-> DisplayListId {
|
||||
let id = api.next_display_list_id();
|
||||
stacking_context.display_lists.push(id);
|
||||
self.display_lists.push((id, display_list));
|
||||
id
|
||||
}
|
||||
|
||||
pub fn next_scroll_layer_id(&mut self,
|
||||
scroll_root_id: ScrollRootId)
|
||||
-> webrender_traits::ScrollLayerId {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue