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Add transparent padding around ServoSurface

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This commit is contained in:
Paul Rouget 2019-03-25 17:52:50 +01:00
parent 40d599e39f
commit 8f2390fdff
10 changed files with 186 additions and 74 deletions
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25
components/compositing/compositor.rs
View file

@ -42,8 +42,7 @@ use style_traits::viewport::ViewportConstraints;
use style_traits::{CSSPixel, DevicePixel, PinchZoomFactor};
use time::{now, precise_time_ns, precise_time_s};
use webrender_api::{
self, DeviceIntPoint, DevicePoint, FramebufferIntRect, FramebufferIntSize, HitTestFlags,
HitTestResult,
self, DeviceIntPoint, DevicePoint, FramebufferIntSize, HitTestFlags, HitTestResult,
};
use webrender_api::{LayoutVector2D, ScrollLocation};
use webvr_traits::WebVRMainThreadHeartbeat;
@ -578,16 +577,9 @@ impl<Window: WindowMethods> IOCompositor<Window> {
fn send_window_size(&self, size_type: WindowSizeType) {
let dppx = self.page_zoom * self.embedder_coordinates.hidpi_factor;
let flipped_viewport = {
let fb_height = self.embedder_coordinates.framebuffer.height;
let mut view = self.embedder_coordinates.viewport.clone();
view.origin.y = fb_height - view.origin.y - view.size.height;
FramebufferIntRect::from_untyped(&view.to_untyped())
};
self.webrender_api.set_document_view(
self.webrender_document,
flipped_viewport,
self.embedder_coordinates.get_flipped_viewport(),
self.embedder_coordinates.hidpi_factor.get(),
);
@ -1214,8 +1206,19 @@ impl<Window: WindowMethods> IOCompositor<Window> {
&self.embedder_coordinates.framebuffer.to_untyped(),
);
self.window.gl().clear_color(1.0, 1.0, 1.0, 0.0);
self.window.gl().clear_color(0.0, 0.0, 0.0, 0.0);
self.window.gl().clear(gleam::gl::COLOR_BUFFER_BIT);
let viewport = self.embedder_coordinates.get_flipped_viewport();
self.window.gl().scissor(
viewport.origin.x,
viewport.origin.y,
viewport.size.width,
viewport.size.height,
);
self.window.gl().clear_color(1.0, 1.0, 1.0, 1.0);
self.window.gl().enable(gleam::gl::SCISSOR_TEST);
self.window.gl().clear(gleam::gl::COLOR_BUFFER_BIT);
self.window.gl().disable(gleam::gl::SCISSOR_TEST);
// Paint the scene.
// TODO(gw): Take notice of any errors the renderer returns!

12
components/compositing/windowing.rs
View file

@ -18,7 +18,8 @@ use std::fmt::{Debug, Error, Formatter};
use std::rc::Rc;
use style_traits::DevicePixel;
use webrender_api::{
DeviceIntPoint, DeviceIntRect, DeviceIntSize, DevicePoint, FramebufferIntSize, ScrollLocation,
DeviceIntPoint, DeviceIntRect, DeviceIntSize, DevicePoint, FramebufferIntRect,
FramebufferIntSize, ScrollLocation,
};
use webvr::VRServiceManager;
use webvr_traits::WebVRMainThreadHeartbeat;
@ -173,3 +174,12 @@ pub struct EmbedderCoordinates {
/// Coordinates of the document within the framebuffer.
pub viewport: DeviceIntRect,
}
impl EmbedderCoordinates {
pub fn get_flipped_viewport(&self) -> FramebufferIntRect {
let fb_height = self.framebuffer.height;
let mut view = self.viewport.clone();
view.origin.y = fb_height - view.origin.y - view.size.height;
FramebufferIntRect::from_untyped(&view.to_untyped())
}
}