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Update WR (various optimizations, gradient improvements).

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This commit is contained in:
Glenn Watson 2017-03-31 13:38:15 +10:00
parent 2df6e26fd7
commit 6dd3bc29e1
5 changed files with 112 additions and 78 deletions
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52
components/canvas/webgl_paint_thread.rs
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@ -11,6 +11,7 @@ use offscreen_gl_context::{ColorAttachmentType, GLContext, GLLimits};
use offscreen_gl_context::{GLContextAttributes, NativeGLContext, OSMesaContext};
use servo_config::opts;
use std::borrow::ToOwned;
use std::sync::Arc;
use std::sync::mpsc::channel;
use std::thread;
use webrender_traits;
@ -101,7 +102,7 @@ impl GLContextWrapper {
enum WebGLPaintTaskData {
WebRender(webrender_traits::RenderApi, webrender_traits::WebGLContextId),
Readback(GLContextWrapper, webrender_traits::RenderApi, webrender_traits::ImageKey),
Readback(GLContextWrapper, webrender_traits::RenderApi, Option<webrender_traits::ImageKey>),
}
pub struct WebGLPaintThread {
@ -116,10 +117,9 @@ fn create_readback_painter(size: Size2D<i32>,
-> Result<(WebGLPaintThread, GLLimits), String> {
let context = try!(GLContextWrapper::new(size, attrs, gl_type));
let limits = context.get_limits();
let image_key = webrender_api.generate_image_key();
let painter = WebGLPaintThread {
size: size,
data: WebGLPaintTaskData::Readback(context, webrender_api, image_key)
data: WebGLPaintTaskData::Readback(context, webrender_api, None)
};
Ok((painter, limits))
@ -229,7 +229,7 @@ impl WebGLPaintThread {
fn send_data(&mut self, chan: IpcSender<CanvasData>) {
match self.data {
WebGLPaintTaskData::Readback(ref ctx, ref webrender_api, image_key) => {
WebGLPaintTaskData::Readback(ref ctx, ref webrender_api, ref mut image_key) => {
let width = self.size.width as usize;
let height = self.size.height as usize;
@ -250,22 +250,34 @@ impl WebGLPaintThread {
// rgba -> bgra
byte_swap(&mut pixels);
// TODO: This shouldn't be a common path, but try to avoid
// the spurious clone().
webrender_api.update_image(image_key,
webrender_traits::ImageDescriptor {
width: width as u32,
height: height as u32,
stride: None,
format: webrender_traits::ImageFormat::RGBA8,
offset: 0,
is_opaque: false,
},
pixels.clone(),
None);
let descriptor = webrender_traits::ImageDescriptor {
width: width as u32,
height: height as u32,
stride: None,
format: webrender_traits::ImageFormat::RGBA8,
offset: 0,
is_opaque: false,
};
let data = webrender_traits::ImageData::Raw(Arc::new(pixels));
match *image_key {
Some(image_key) => {
webrender_api.update_image(image_key,
descriptor,
data,
None);
}
None => {
*image_key = Some(webrender_api.generate_image_key());
webrender_api.add_image(image_key.unwrap(),
descriptor,
data,
None);
}
}
let image_data = CanvasImageData {
image_key: image_key,
image_key: image_key.unwrap(),
};
chan.send(CanvasData::Image(image_data)).unwrap();
@ -307,7 +319,9 @@ impl WebGLPaintThread {
impl Drop for WebGLPaintThread {
fn drop(&mut self) {
if let WebGLPaintTaskData::Readback(_, ref mut wr, image_key) = self.data {
wr.delete_image(image_key);
if let Some(image_key) = image_key {
wr.delete_image(image_key);
}
}
}
}