James Price 3b671cb377 wgsl: Separate struct members with commas
Use of semicolons is still supported, but deprecated.

Also updates the parsing methods for structures to better match the
WGSL grammar.

Bug: tint:1475
Change-Id: I7675ba42c13f91080b0ac173c352e0092021f80b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/84380
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
2022-03-28 14:31:22 +00:00

27 lines
713 B
WebGPU Shading Language

struct Constants {
level : i32,
};
@group(0) @binding(0) var<uniform> constants : Constants;
@group(0) @binding(1) var myTexture : texture_2d_array<f32>;
struct Result {
values : array<f32>,
};
@group(0) @binding(3) var<storage, read_write> result : Result;
@stage(compute) @workgroup_size(1)
fn main(@builtin(global_invocation_id) GlobalInvocationID : vec3<u32>) {
var flatIndex : u32 =
2u * 2u * GlobalInvocationID.z +
2u * GlobalInvocationID.y +
GlobalInvocationID.x;
flatIndex = flatIndex * 1u;
var texel : vec4<f32> = textureLoad(myTexture, vec2<i32>(GlobalInvocationID.xy), 0, 0);
for (var i : u32 = 0u; i < 1u; i = i + 1u) {
result.values[flatIndex + i] = texel.r;
}
}