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tests/shader-runner: Add tests for minimum-precision constants.

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Values in DXIL have no signedness, so it is ambiguous whether 16-bit
constants should or should not be sign-extended when 16-bit execution
is not supported.
This commit is contained in:
Conor McCarthy 2023-12-13 13:49:40 +10:00 committed by Alexandre Julliard
parent 25d353db91
commit 581939f1ef
Notes: Alexandre Julliard 2024-03-11 23:07:09 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Conor McCarthy (@cmccarthy)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/519
1 changed files with 41 additions and 0 deletions
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41
tests/hlsl/minimum-precision.shader_test
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@ -19,3 +19,44 @@ float4 main() : sv_target
[test]
draw quad
probe all rgba (197.0, 218.0, 238.0, 257.0)
[pixel shader]
uniform min16uint2 u;
uint4 main() : sv_target
{
min16uint i = 0x7fff, j = 0xffff;
return uint4(u.x + i, u.y + j, 0, 0);
}
[test]
uniform 0 uint4 0 0 0 0
draw quad
probe all rgbaui (0x7fff, 0xffff, 0, 0)
% The code d3dcompiler_47 produces for this appears correct, but the result
% is still zero in Windows.
[require]
shader model >= 6.0
[pixel shader]
uniform min16uint4 u;
uniform uint i;
uint4 main() : sv_target
{
min16uint arr[4] = {1, 2, 0x7fff, 0xffff};
return uint4(u.x + arr[i], u.y + arr[i + 1], 0, 0);
}
[test]
uniform 0 uint4 0 0 0 0
uniform 4 uint 2
draw quad
probe all rgbaui (0x7fff, 0xffff, 0, 0)
uniform 0 uint4 0 0 0 0
uniform 4 uint 0
draw quad
probe all rgbaui (1, 2, 0, 0)