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-rw-r--r--cli/tests/testdata/webgpu_computepass_shader.wgsl5
1 files changed, 4 insertions, 1 deletions
diff --git a/cli/tests/testdata/webgpu_computepass_shader.wgsl b/cli/tests/testdata/webgpu_computepass_shader.wgsl
index 9fc79eeba..df541aff5 100644
--- a/cli/tests/testdata/webgpu_computepass_shader.wgsl
+++ b/cli/tests/testdata/webgpu_computepass_shader.wgsl
@@ -1,9 +1,10 @@
-[[block]]
struct PrimeIndices {
data: [[stride(4)]] array<u32>;
}; // this is used as both input and output for convenience
+
[[group(0), binding(0)]]
var<storage, read_write> v_indices: PrimeIndices;
+
// The Collatz Conjecture states that for any integer n:
// If n is even, n = n/2
// If n is odd, n = 3n+1
@@ -25,12 +26,14 @@ fn collatz_iterations(n_base: u32) -> u32{
if (n >= 1431655765u) { // 0x55555555u
return 4294967295u; // 0xffffffffu
}
+
n = 3u * n + 1u;
}
i = i + 1u;
}
return i;
}
+
[[stage(compute), workgroup_size(1)]]
fn main([[builtin(global_invocation_id)]] global_id: vec3<u32>) {
v_indices.data[global_id.x] = collatz_iterations(v_indices.data[global_id.x]);