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Remove old rendering backend.

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This removes paint threads, rust-layers dependency, and changes
optional webrender types to be required.

The use_webrender option has been removed, however I've left
the "-w" command line option in place so that wpt
runner can continue to pass that. Once it's removed from there
we can also remove the -w option.

Once this stage is complete, it should be fine to change the
display list building code to generate webrender display
lists directly and avoid the conversion step.
This commit is contained in:
Glenn Watson 2016-10-12 10:13:27 +10:00
parent 4af21e3ae1
commit acfdfd2fa9
55 changed files with 422 additions and 3611 deletions
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17
components/net_traits/image/base.rs
View file

@ -4,7 +4,6 @@
use ipc_channel::ipc::IpcSharedMemory;
use piston_image::{self, DynamicImage, ImageFormat};
use util::opts;
pub use msg::constellation_msg::{Image, PixelFormat};
@ -21,24 +20,14 @@ pub struct ImageMetadata {
fn byte_swap_and_premultiply(data: &mut [u8]) {
let length = data.len();
// No need to pre-multiply alpha when using direct GPU rendering.
let premultiply_alpha = !opts::get().use_webrender;
for i in (0..length).step_by(4) {
let r = data[i + 2];
let g = data[i + 1];
let b = data[i + 0];
let a = data[i + 3];
if premultiply_alpha {
data[i + 0] = ((r as u32) * (a as u32) / 255) as u8;
data[i + 1] = ((g as u32) * (a as u32) / 255) as u8;
data[i + 2] = ((b as u32) * (a as u32) / 255) as u8;
} else {
data[i + 0] = r;
data[i + 1] = g;
data[i + 2] = b;
}
data[i + 0] = r;
data[i + 1] = g;
data[i + 2] = b;
}
}