dawn-cmake/test/tint/bug/tint/926.wgsl

15 lines
428 B
WebGPU Shading Language

struct DrawIndirectArgs {
vertexCount : atomic<u32>,
};
@group(0) @binding(5) var<storage, read_write> drawOut : DrawIndirectArgs;
var<private> cubeVerts : u32 = 0u;
@compute @workgroup_size(1)
fn computeMain(@builtin(global_invocation_id) global_id : vec3<u32>) {
// Increment cubeVerts based on some criteria...
// This fails SPIR-V validation
let firstVertex : u32 = atomicAdd(&drawOut.vertexCount, cubeVerts);
}