experiment: wgpu sync (#13402)

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]);