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vkd3d-shader/ir: Allow controlling fog through parameters.

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Fog requires several parameters to even implement the most basic of
functionality correctly, so this commit is relatively large.
This commit is contained in:
Elizabeth Figura
2024-10-05 10:26:20 -05:00
committed by Henri Verbeet
parent a1de406de4
commit f86d1e72a4
Notes: Henri Verbeet 2024-12-02 17:19:05 +01:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1265
8 changed files with 504 additions and 29 deletions
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43
tests/hlsl/fog.shader_test
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@@ -27,3 +27,46 @@ float4 main(float2 fog : fog) : sv_target
[test]
todo(msl) draw quad
probe (0, 0) rgba (0.1, 0.2, 0, 1)
[require]
fog
[input layout]
0 r32g32b32a32-float position
[vb 0]
-1.0 -1.0 0.2 1.0
-1.0 1.0 0.2 1.0
1.0 -1.0 0.6 1.0
1.0 1.0 0.6 1.0
[vertex shader]
float4 main(float4 pos : position, out float fog : fog) : sv_position
{
fog = 0.2;
return pos;
}
[pixel shader]
float4 main() : sv_target
{
return float4(0, 0, 1, 1);
}
[test]
fog-colour 0.0 1.0 1.0 1.0
fog disable
draw triangle strip 4
probe (160, 120) rgba (0.0, 0.0, 1.0, 1.0)
probe (480, 360) rgba (0.0, 0.0, 1.0, 1.0)
probe (160, 120) rgba (0.0, 0.0, 1.0, 1.0)
probe (480, 360) rgba (0.0, 0.0, 1.0, 1.0)
fog none
draw triangle strip 4
probe (160, 120) rgba (0.0, 0.8, 1.0, 1.0)
probe (480, 360) rgba (0.0, 0.8, 1.0, 1.0)
probe (160, 120) rgba (0.0, 0.8, 1.0, 1.0)
probe (480, 360) rgba (0.0, 0.8, 1.0, 1.0)