| struct DrawIndirectArgs { | |
| vertexCount : atomic<u32>, | |
| }; | |
| @group(0) @binding(5) var<storage, read_write> drawOut : DrawIndirectArgs; | |
| var<private> cubeVerts : u32 = 0u; | |
| @stage(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); | |
| } |