dawn-cmake/test/intrinsics/gen/atomicStore/cdc29e.wgsl.expected.hlsl
Ben Clayton e027e81bf2 writer/hlsl: Emit helper functions for storage class atomic intrinsics
By generating a helper function for these, we can keep the atomic expression pre-statement-free. This can help prevent for-loops from being transformed into while loops, which can upset FXC.

We can't do the same for workgroup storage atomics, as the InterlockedXXX() methods have the workgroup-storage expression as the first argument, and I'm not aware of any way to make a user-declared parameter be `groupshared`.

Change-Id: I8669127a58dc9cae95ce316523029064b5c9b5fa
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/57462
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>
2021-07-09 16:50:14 +00:00

22 lines
401 B
HLSL

void atomicStore_1(RWByteAddressBuffer buffer, uint offset, uint value) {
uint ignored;
buffer.InterlockedExchange(offset, value, ignored);
}
RWByteAddressBuffer sb_rw : register(u0, space0);
void atomicStore_cdc29e() {
atomicStore_1(sb_rw, 0u, 1u);
}
void fragment_main() {
atomicStore_cdc29e();
return;
}
[numthreads(1, 1, 1)]
void compute_main() {
atomicStore_cdc29e();
return;
}