mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-05 19:55:37 +00:00
3242d3e8c9
This uses FXC compilation failure mitigation for _any_ vector index assignment that has a non-constant index. FXC can still fall over if the loop calls a function that performs the dynamic index. Use some vector swizzle logic to avoid branches in the helper. Fixed: tint:980 Change-Id: I2a759d88a7d884bc61b4631cf57feb4acc8178de Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/57882 Auto-Submit: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com>
23 lines
544 B
HLSL
23 lines
544 B
HLSL
void set_float3(inout float3 vec, int idx, float val) {
|
|
vec = (idx.xxx == int3(0, 1, 2)) ? val.xxx : vec;
|
|
}
|
|
|
|
float3 Bad(uint index, float3 rd) {
|
|
float3 normal = float3((0.0f).xxx);
|
|
set_float3(normal, index, -(sign(rd[index])));
|
|
return normalize(normal);
|
|
}
|
|
|
|
RWByteAddressBuffer io : register(u0, space0);
|
|
|
|
struct tint_symbol_1 {
|
|
uint idx : SV_GroupIndex;
|
|
};
|
|
|
|
[numthreads(1, 1, 1)]
|
|
void main(tint_symbol_1 tint_symbol) {
|
|
const uint idx = tint_symbol.idx;
|
|
io.Store3(0u, asuint(Bad(io.Load(12u), asfloat(io.Load3(0u)))));
|
|
return;
|
|
}
|