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vkd3d-shader/hlsl: Implement the frexp() intrinsic.

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This commit is contained in:
Petrichor Park
2024-07-08 13:32:59 -05:00
committed by Henri Verbeet
parent ea6104cf5e
commit d964d55b4a
Notes: Henri Verbeet 2025-08-21 16:34:21 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1000
2 changed files with 65 additions and 17 deletions
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34
tests/hlsl/frexp.shader_test
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@@ -1,4 +1,4 @@
[pixel shader todo(sm<6)]
[pixel shader todo(sm<4)]
uniform float4 f;
float4 main() : sv_target
@@ -10,52 +10,52 @@ float4 main() : sv_target
[test]
uniform 0 float4 3.1415927 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
probe (0, 0) f32(2.0, 0.785398185, 0.0, 0.0)
uniform 0 float4 -3.1415927 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
if(sm<4) probe (0, 0) f32(2.0, -0.785398185, 0.0, 0.0)
% Starting with shader model 4, negative inputs give positive mantissa.
if(sm>=4) probe (0, 0) f32(2.0, 0.785398185, 0.0, 0.0)
uniform 0 float4 7604.123 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
probe (0, 0) f32(13.0, 0.92823765, 0.0, 0.0)
uniform 0 float4 0.00001234 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
probe (0, 0) f32(-16.0, 0.8087142, 0.0, 0.0)
uniform 0 float4 0.0 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
probe (0, 0) f32(0.0, 0.0, 0.0, 0.0)
uniform 0 float4 -0.0 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
probe (0, 0) f32(0.0, 0.0, 0.0, 0.0)
uniform 0 float4 INF 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
if(sm<4) probe (0, 0) f32(-NAN, -NAN, 0, 0)
if(sm>=4) probe (0, 0) f32(129, 0.5, 0, 0)
uniform 0 float4 -INF 0.0 0.0 0.0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
if(sm<4) probe (0, 0) f32(-NAN, -NAN, 0, 0)
if(sm>=4) probe (0, 0) f32(129, 0.5, 0, 0)
uniform 0 float4 NAN 0 0 0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
if(sm<4) probe (0, 0) f32(NAN, NAN, 0, 0)
if(sm>=4) probe (0, 0) f32(129, 0.75, 0, 0)
% Subnormals.
uniform 0 uint4 0x0007ffff 0 0 0
todo(sm<6 | msl) draw quad
todo(sm<4 | msl & sm>=6) draw quad
probe (0, 0) f32(0, 0, 0, 0)
[pixel shader todo(sm<6)]
[pixel shader todo(sm<4)]
float4 main() : sv_target
{
int arg = 7604;
@@ -66,10 +66,10 @@ float4 main() : sv_target
}
[test]
todo(sm<6) draw quad
todo(sm<4) draw quad
probe (0, 0) f32(13.0, 0.0, 0.0, 0.0)
[pixel shader todo(sm<6)]
[pixel shader todo(sm<4)]
float4 main() : sv_target
{
bool arg = true;
@@ -80,11 +80,11 @@ float4 main() : sv_target
}
[test]
todo(sm<6) draw quad
todo(sm<4) draw quad
if(sm<4) probe (0, 0) f32(0.0, 1.0, 0.0, 0.0)
if(sm>=4) probe (0, 0) f32(1.0, 1.0, 0.0, 0.0)
[pixel shader todo(sm<6)]
[pixel shader todo(sm<4)]
float4 main() : sv_target
{
half arg = 3.141;
@@ -95,7 +95,7 @@ float4 main() : sv_target
}
[test]
todo(sm<6) draw quad
todo(sm<4) draw quad
probe (0, 0) f32(2.0, 0.785250008, 0.0, 0.0)
[require]