Ben Clayton 01e4b6fc18 wgsl: Replace [[decoration]] with @decoration
Deprecate the old syntax. Migrate everything to the new syntax.

Bug: tint:1382
Change-Id: Ide12b2e927b17dc93b9714c7049090864cc568d3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/77260
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>
2022-01-19 22:46:57 +00:00

29 lines
786 B
WebGPU Shading Language

// 1112.wgsl
@group(0) @binding(0) var Sampler: sampler;
@group(0) @binding(1) var randomTexture: texture_2d<f32>;
@group(0) @binding(2) var depthTexture: texture_2d<f32>;
@stage(fragment)
fn main(@location(0) vUV : vec2<f32>) -> @location(0) vec4<f32> {
let random: vec3<f32> = textureSample(randomTexture, Sampler, vUV).rgb;
var i = 0;
loop {
if (i < 1) {
} else {
break;
}
let offset : vec3<f32> = vec3<f32>(random.x);
if (offset.x < 0.0 || offset.y < 0.0 || offset.x > 1.0 || offset.y > 1.0) {
i = i + 1;
continue;
}
let sampleDepth : f32 = textureSample(depthTexture, Sampler, offset.xy).r;
i = i + 1;
}
return vec4<f32>(1.0);
}