yum-mirror/glslang

git clone https://git.yummers.dev/yum-mirror/glslang

Saddamfix oob read folding component-wise intrinsics on matricesa34e1ca5

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818 B14 linesraw
1// Constant folding of component-wise intrinsics whose operands are matrices.
2// getVectorSize() is 0 for a matrix, so these used to fold with a -1 smear
3// index (min/max/clamp/pow/lerp) or a zero-length result (step/smoothstep).
4float4 main() : SV_Target
5{
6    float2x2 mn = min(float2x2(1, 2, 3, 4), float2x2(4, 3, 2, 1));
7    float2x2 mx = max(float2x2(1, 2, 3, 4), float2x2(4, 3, 2, 1));
8    float2x2 cl = clamp(float2x2(0, 5, 10, -2), float2x2(1, 1, 1, 1), float2x2(8, 8, 8, 8));
9    float2x2 lp = lerp(float2x2(0, 0, 0, 0), float2x2(4, 4, 4, 4), float2x2(0.25, 0.5, 0.75, 1.0));
10    float2x2 st = step(float2x2(1, 2, 3, 4), float2x2(4, 3, 2, 1));
11    float2x2 ss = smoothstep(float2x2(0, 0, 0, 0), float2x2(2, 2, 2, 2), float2x2(1, 1, 1, 1));
12
13    return float4(mn[0] + mx[0] + cl[0] + lp[0], st[0] + ss[0]);
14}