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Fix CAS shader alpha accessor (#16530)

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# Objective

Fixes #16528 

## Solution

Use `a` to access alpha instead of `w`
This commit is contained in:
Carter Anderson 2024-11-27 13:51:29 -08:00 committed by François Mockers
parent cf2145c73d
commit a35f969da2
1 changed files with 1 additions and 1 deletions
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crates/bevy_core_pipeline/src/contrast_adaptive_sharpening/robust_contrast_adaptive_sharpening.wgsl
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@ -65,7 +65,7 @@ fn fragment(in: FullscreenVertexOutput) -> @location(0) vec4<f32> {
let b = textureSample(screenTexture, samp, in.uv, vec2<i32>(0, -1)).rgb;
let d = textureSample(screenTexture, samp, in.uv, vec2<i32>(-1, 0)).rgb;
// We need the alpha value of the pixel we're working on for the output
let e = textureSample(screenTexture, samp, in.uv).rgbw;
let e = textureSample(screenTexture, samp, in.uv).rgba;
let f = textureSample(screenTexture, samp, in.uv, vec2<i32>(1, 0)).rgb;
let h = textureSample(screenTexture, samp, in.uv, vec2<i32>(0, 1)).rgb;
// Min and max of ring.