mirror of
https://gitlab.winehq.org/wine/vkd3d.git
synced 2024-11-21 16:46:41 -08:00
68 lines
2.2 KiB
Plaintext
68 lines
2.2 KiB
Plaintext
[pixel shader]
|
|
uniform float4 f;
|
|
|
|
float4 main() : sv_target
|
|
{
|
|
float4 result;
|
|
float n = f.x/f.w;
|
|
|
|
/* '!(condition)' in SM6 forces use of the unordered instruction variant. */
|
|
|
|
result.x = (f.y > f.x) ? 1.0 : 0.0;
|
|
result.x += (f.y < f.x) ? 10.0 : 0.0;
|
|
result.x += (f.y >= f.x) ? 100.0 : 0.0;
|
|
result.x += (f.y <= f.x) ? 1000.0 : 0.0;
|
|
result.x += !(f.y <= f.x) ? 10000.0 : 0.0;
|
|
result.x += !(f.y >= f.x) ? 100000.0 : 0.0;
|
|
result.x += !(f.y < f.x) ? 1000000.0 : 0.0;
|
|
result.x += !(f.y > f.x) ? 10000000.0 : 0.0;
|
|
result.y = (n > f.x) ? 1.0 : 0.0;
|
|
result.y += (n < f.x) ? 10.0 : 0.0;
|
|
result.y += (n >= f.x) ? 100.0 : 0.0;
|
|
result.y += (n <= f.x) ? 1000.0 : 0.0;
|
|
result.y += !(n <= f.x) ? 10000.0 : 0.0;
|
|
result.y += !(n >= f.x) ? 100000.0 : 0.0;
|
|
result.y += !(n < f.x) ? 1000000.0 : 0.0;
|
|
result.y += !(n > f.x) ? 10000000.0 : 0.0;
|
|
result.z = (f.z == f.y) ? 1.0 : 0.0;
|
|
result.z += (f.z != f.y) ? 10.0 : 0.0;
|
|
result.z += !(f.z == f.y) ? 100.0 : 0.0;
|
|
result.z += !(f.z != f.y) ? 1000.0 : 0.0;
|
|
result.z += (n == f.y) ? 10000.0 : 0.0;
|
|
result.z += (n != f.y) ? 100000.0 : 0.0;
|
|
result.z += !(n == f.y) ? 1000000.0 : 0.0;
|
|
result.z += !(n != f.y) ? 10000000.0 : 0.0;
|
|
/* It doesn't seem possible to generate DXIL instructions for 'is ordered' or 'is unordered'.
|
|
* Expressions 'isnan(n)' and '(isnan(n) || isnan(f.x))' compile into intrinsics. */
|
|
result.w = 0;
|
|
return result;
|
|
}
|
|
|
|
% SM1-3 apparently treats '0/0' as zero.
|
|
[require]
|
|
shader model < 4.0
|
|
|
|
[test]
|
|
uniform 0 float4 0.0 1.5 1.5 0.0
|
|
draw quad
|
|
todo probe all rgba (1010101.0, 11001100.0, 1101001.0, 0.0)
|
|
|
|
% SM4-5 optimises away the 'not' by inverting the condition, even though this is invalid for NaN.
|
|
[require]
|
|
shader model >= 4.0
|
|
shader model < 6.0
|
|
|
|
[test]
|
|
uniform 0 float4 0.0 1.5 1.5 0.0
|
|
draw quad
|
|
todo probe all rgba (1010101.0, 0.0, 1101001.0, 0.0)
|
|
|
|
% SM6 emits the correct ordered/unordered instructions, so comparisons are false for NaN, and are made true with 'not'.
|
|
[require]
|
|
shader model >= 6.0
|
|
|
|
[test]
|
|
uniform 0 float4 0.0 1.5 1.5 0.0
|
|
todo(sm>=6) draw quad
|
|
probe all rgba (1010101.0, 11110000.0, 1101001.0, 0.0)
|