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Auto merge of #14074 - glennw:shader-hot-fix, r=pcwalton

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Manually copy across a shader fix from WR.

This fix has landed in WR, but WR can't be updated right now, due
to a scroll change landing in WR without the Servo PR being ready
quite yet.

Fixes #14061.
Fixes #14073.

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This commit is contained in:
bors-servo 2016-11-04 19:09:35 -05:00 • committed by GitHub
commit 516be8f85c
1 changed files with 3 additions and 8 deletions
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9
resources/shaders/ps_image_clip.vs.glsl
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@ -27,14 +27,9 @@ void main(void) {
write_clip(clip);
// vUv will contain how many times this image has wrapped around the image size.
vec2 st0 = image.st_rect.xy;
vec2 st1 = image.st_rect.zw;
if (image.has_pixel_coords) {
vec2 texture_size = vec2(textureSize(sDiffuse, 0));
st0 /= texture_size;
st1 /= texture_size;
}
vec2 st0 = image.st_rect.xy / texture_size;
vec2 st1 = image.st_rect.zw / texture_size;
vTextureSize = st1 - st0;
vTextureOffset = st0;