mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-06 12:15:43 +00:00
08f4b557fc
Also fixed implementation of this atomic in GLSL. It was emitting code that would not compile because, as for HLSL, we must pass in the variable directly to atomic funcs, not via an in/out arg to a function. Bug: tint:1185 Change-Id: Id0e9f99d6368717511ef3a94473634c512e10cb8 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/91881 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com>
33 lines
936 B
HLSL
33 lines
936 B
HLSL
struct atomic_compare_exchange_resultu32 {
|
|
uint old_value;
|
|
bool exchanged;
|
|
};
|
|
groupshared uint arg_0;
|
|
|
|
void atomicCompareExchangeWeak_83580d() {
|
|
atomic_compare_exchange_resultu32 atomic_result = (atomic_compare_exchange_resultu32)0;
|
|
uint atomic_compare_value = 1u;
|
|
InterlockedCompareExchange(arg_0, atomic_compare_value, 1u, atomic_result.old_value);
|
|
atomic_result.exchanged = atomic_result.old_value == atomic_compare_value;
|
|
atomic_compare_exchange_resultu32 res = atomic_result;
|
|
}
|
|
|
|
struct tint_symbol_1 {
|
|
uint local_invocation_index : SV_GroupIndex;
|
|
};
|
|
|
|
void compute_main_inner(uint local_invocation_index) {
|
|
{
|
|
uint atomic_result_1 = 0u;
|
|
InterlockedExchange(arg_0, 0u, atomic_result_1);
|
|
}
|
|
GroupMemoryBarrierWithGroupSync();
|
|
atomicCompareExchangeWeak_83580d();
|
|
}
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void compute_main(tint_symbol_1 tint_symbol) {
|
|
compute_main_inner(tint_symbol.local_invocation_index);
|
|
return;
|
|
}
|