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https://github.com/encounter/dawn-cmake.git
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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) {
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vec = (idx.xxx == int3(0, 1, 2)) ? val.xxx : vec;
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}
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float3 Bad(uint index, float3 rd) {
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float3 normal = float3((0.0f).xxx);
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set_float3(normal, index, -(sign(rd[index])));
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return normalize(normal);
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}
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RWByteAddressBuffer io : register(u0, space0);
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struct tint_symbol_1 {
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uint idx : SV_GroupIndex;
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};
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[numthreads(1, 1, 1)]
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void main(tint_symbol_1 tint_symbol) {
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const uint idx = tint_symbol.idx;
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io.Store3(0u, asuint(Bad(io.Load(12u), asfloat(io.Load3(0u)))));
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return;
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}
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