dawn-cmake/test/var/uses/workgroup.wgsl.expected.hlsl
Ben Clayton 89a0bde59c transform: Optimize ZeroInitWorkgroupMemory for arrays
Spread the array zeroing across as many workgroup invocations as possible.

Bug: tint:910
Change-Id: I1cb5a6aaafd2a0a4093ea3b9797c173378bc5605
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60203
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-07-30 14:08:06 +00:00

82 lines
1.2 KiB
HLSL

groupshared int a;
groupshared int b;
groupshared int c;
void uses_a() {
a = (a + 1);
}
void uses_b() {
b = (b * 2);
}
void uses_a_and_b() {
b = a;
}
void no_uses() {
}
void outer() {
a = 0;
uses_a();
uses_a_and_b();
uses_b();
no_uses();
}
struct tint_symbol_1 {
uint local_invocation_index : SV_GroupIndex;
};
[numthreads(1, 1, 1)]
void main1(tint_symbol_1 tint_symbol) {
const uint local_invocation_index = tint_symbol.local_invocation_index;
{
a = 0;
}
GroupMemoryBarrierWithGroupSync();
a = 42;
uses_a();
return;
}
struct tint_symbol_3 {
uint local_invocation_index_1 : SV_GroupIndex;
};
[numthreads(1, 1, 1)]
void main2(tint_symbol_3 tint_symbol_2) {
const uint local_invocation_index_1 = tint_symbol_2.local_invocation_index_1;
{
b = 0;
}
GroupMemoryBarrierWithGroupSync();
b = 7;
uses_b();
return;
}
struct tint_symbol_5 {
uint local_invocation_index_2 : SV_GroupIndex;
};
[numthreads(1, 1, 1)]
void main3(tint_symbol_5 tint_symbol_4) {
const uint local_invocation_index_2 = tint_symbol_4.local_invocation_index_2;
{
a = 0;
b = 0;
}
GroupMemoryBarrierWithGroupSync();
outer();
no_uses();
return;
}
[numthreads(1, 1, 1)]
void main4() {
no_uses();
return;
}