Clear webrender image id when resizing a canvas.

This commit is contained in:
Alan Jeffrey 2017-06-12 13:21:33 -05:00
parent 07f6e11485
commit 4e04daa9d0
5 changed files with 76 additions and 1 deletions

View file

@ -547,6 +547,10 @@ impl<'a> CanvasPaintThread<'a> {
fn recreate(&mut self, size: Size2D<i32>) {
self.drawtarget = CanvasPaintThread::create(size);
// Webrender doesn't let images change size, so we clear the webrender image key.
if let Some(image_key) = self.image_key.take() {
self.webrender_api.delete_image(image_key);
}
}
fn send_pixels(&mut self, chan: IpcSender<Option<Vec<u8>>>) {

View file

@ -291,7 +291,7 @@ impl WebGLPaintThread {
#[allow(unsafe_code)]
fn recreate(&mut self, size: Size2D<i32>) -> Result<(), &'static str> {
match self.data {
WebGLPaintTaskData::Readback(ref mut context, _, _) => {
WebGLPaintTaskData::Readback(ref mut context, ref webrender_api, ref mut image_key) => {
if size.width > self.size.width ||
size.height > self.size.height {
self.size = try!(context.resize(size));
@ -299,6 +299,10 @@ impl WebGLPaintThread {
self.size = size;
context.gl().scissor(0, 0, size.width, size.height);
}
// Webrender doesn't let images change size, so we clear the webrender image key.
if let Some(image_key) = image_key.take() {
webrender_api.delete_image(image_key);
}
}
WebGLPaintTaskData::WebRender(ref api, id) => {
let device_size = webrender_traits::DeviceIntSize::from_untyped(&size);