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vkd3d-shader/hlsl: Don't invalidate OOB constant derefs.

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This commit is contained in:
Elizabeth Figura
2025-03-10 16:51:20 -05:00
committed by Henri Verbeet
parent 193e40c271
commit a87b1efbd2
Notes: Henri Verbeet 2025-03-12 22:21:25 +01:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1415
2 changed files with 30 additions and 2 deletions
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19
tests/hlsl/hard-copy-prop.shader_test
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@@ -186,3 +186,22 @@ if(sm<4) uniform 8 float4 1 0 0 0
if(sm>=4) uniform 8 uint4 1 0 0 0
todo(msl) draw quad
probe (0, 0) rgba(3.0, 3.0, 3.0, 3.0)
% OOB indexes are illegal, but sm < 6 allows them in dead code.
% We need copy-prop to know if the code is dead.
% This means copy-prop needs to be able to handle OOB indexes.
[pixel shader fail(sm>=6)]
float4 main() : sv_target
{
static float4 arr[4];
bool x = false;
if (x)
{
arr[100] = 0;
return arr[100];
}
return 0;
}