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tests: Test using single-component swizzles as indexes.

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Vectors cannot be used as array indexes, however, single-component
swizzles (such as vec.x) can be used.

This suggests that single-component swizzles should actually be
scalars and not vectors of dimx = 1.

It is worth noting that the use of single-component swizzles on scalars
should still be allowed.
This commit is contained in:
Francisco Casas 2023-01-24 20:37:38 -03:00 committed by Alexandre Julliard
parent dd2168754d
commit 524029a062
Notes: Alexandre Julliard 2023-01-26 23:11:28 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/70
1 changed files with 24 additions and 0 deletions
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24
tests/hlsl-vector-indexing.shader_test
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@ -25,3 +25,27 @@ float4 main() : SV_TARGET
uniform 0 float4 1.0 2.0 3.0 4.0
draw quad
probe all rgba (1.0, 2.0, 2.0, 3.0)
[pixel shader fail]
float4 main() : SV_TARGET
{
float4 vec = {0, 1, 2, 3};
int1 idx = {3};
return vec[idx];
}
[pixel shader todo]
float4 main() : SV_TARGET
{
float4 vec = {0, 1, 2, 3};
int2 idx = {1, 2};
return vec[idx.y];
}
[test]
todo draw quad
todo probe all rgba (2.0, 2.0, 2.0, 2.0)