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Optimise memory allocation in set_webrender_image_key

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Anthony Ramine 2018-11-15 10:05:40 +01:00
parent a5779ad372
commit da43e35ab2
1 changed files with 1 additions and 0 deletions
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components/net/image_cache.rs
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@ -59,6 +59,7 @@ fn set_webrender_image_key(webrender_api: &webrender_api::RenderApi, image: &mut
pixels::rgba8_premultiply_inplace(bytes.as_mut_slice())
},
PixelFormat::RGB8 => {
bytes.reserve(image.bytes.len() / 3 * 4);
for bgr in image.bytes.chunks(3) {
bytes.extend_from_slice(&[bgr[2], bgr[1], bgr[0], 0xff]);
}