// probe.comp - the compute path's own check (R3D_VK_PROBE=1): every float in the buffer times
// the parameter, so a readback proves the dispatch, the bindings and the GPU-owned buffer.
layout(local_size_x = 64) in;
layout(set = 0, binding = 0) uniform Params { uint count; float mul; } pr;
layout(set = 0, binding = 1) buffer Data { float v[]; } data;
void main() {
  uint i = gl_GlobalInvocationID.x;
  if (i >= pr.count) { return; }
  data.v[i] = data.v[i] * pr.mul;
}