dawn-cmake/test/tint/statements/discard/atomic_cmpxchg.wgsl.expected.glsl
James Price 8cd34f8425 tint: Fix DemoteToHelper for atomicCmpXchgWeak
We cannot explicitly name the result type of this builtin, so we have
to redeclare it manually.

Fixed: oss-fuzz:53347, oss-fuzz:53343
Change-Id: I23816b8b35eb20ae91472143ab30668b573d65bf
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110160
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Auto-Submit: James Price <jrprice@google.com>
2022-11-14 20:30:38 +00:00

48 lines
1.0 KiB
GLSL

#version 310 es
precision mediump float;
struct atomic_compare_exchange_resulti32 {
int old_value;
bool exchanged;
};
bool tint_discarded = false;
struct tint_symbol_1 {
int old_value;
bool exchanged;
};
layout(location = 0) out int value;
layout(binding = 0, std430) buffer a_block_ssbo {
int inner;
} a;
int foo() {
tint_discarded = true;
int x = 0;
tint_symbol_1 tint_symbol = tint_symbol_1(0, false);
if (!(tint_discarded)) {
atomic_compare_exchange_resulti32 atomic_compare_result;
atomic_compare_result.old_value = atomicCompSwap(a.inner, 0, 1);
atomic_compare_result.exchanged = atomic_compare_result.old_value == 0;
atomic_compare_exchange_resulti32 tint_symbol_2 = atomic_compare_result;
tint_symbol.old_value = tint_symbol_2.old_value;
tint_symbol.exchanged = tint_symbol_2.exchanged;
}
tint_symbol_1 result = tint_symbol;
if (result.exchanged) {
x = result.old_value;
}
return x;
}
void main() {
int inner_result = foo();
value = inner_result;
if (tint_discarded) {
discard;
}
return;
}