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vkd3d-shader/hlsl: Add support for the centroid interpolation mode in SM1.

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This commit is contained in:
Shaun Ren
2025-09-29 20:11:38 -04:00
committed by Henri Verbeet
parent 44582a930c
commit d5770cd347
Notes: Henri Verbeet 2025-10-06 19:48:17 +02:00 
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1721
3 changed files with 60 additions and 55 deletions
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23
tests/hlsl/sm1-centroid.shader_test
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@@ -46,7 +46,7 @@ probe (638, 479) f32(0.0, 0.0, 0.0, 0.0)
% Centroid interpolation.
% The WARP driver doesn't seem to support centroid interpolation for SM < 4.
[pixel shader todo]
[pixel shader]
static const float2 sample_pos = {-0.001f, 0.000f};
float4 main(centroid float2 t : TEXCOORD0) : SV_Target
@@ -61,14 +61,14 @@ float4 main(centroid float2 t : TEXCOORD0) : SV_Target
[test]
clear rtv 0 1.0 1.0 1.0 1.0
todo draw triangle list 3
draw triangle list 3
todo probe (1, 1) f32(0.5, 0.5, 0.5, 0.5)
probe (638, 1) f32(0.0, 0.0, 0.0, 0.0)
todo probe (1, 478) f32(0.5, 0.5, 0.5, 0.5)
probe (638, 479) f32(0.0, 0.0, 0.0, 0.0)
% The WARP driver doesn't seem to support centroid interpolation for SM < 4.
[pixel shader todo]
[pixel shader]
static const float2 sample_pos = {-0.001f, 0.000f};
float4 main(float2 t : TEXCOORD0_centRoid) : SV_Target
@@ -83,14 +83,14 @@ float4 main(float2 t : TEXCOORD0_centRoid) : SV_Target
[test]
clear rtv 0 1.0 1.0 1.0 1.0
todo draw triangle list 3
draw triangle list 3
todo probe (1, 1) f32(0.5, 0.5, 0.5, 0.5)
probe (638, 1) f32(0.0, 0.0, 0.0, 0.0)
todo probe (1, 478) f32(0.5, 0.5, 0.5, 0.5)
probe (638, 479) f32(0.0, 0.0, 0.0, 0.0)
% The WARP driver doesn't seem to support centroid interpolation for SM < 4.
[pixel shader todo]
[pixel shader]
static const float2 sample_pos = {-0.001f, 0.000f};
struct ps_in
@@ -110,7 +110,7 @@ float4 main(ps_in data) : SV_Target
[test]
clear rtv 0 1.0 1.0 1.0 1.0
todo draw triangle list 3
draw triangle list 3
todo probe (1, 1) f32(0.5, 0.5, 0.5, 0.5)
probe (638, 1) f32(0.0, 0.0, 0.0, 0.0)
todo probe (1, 478) f32(0.5, 0.5, 0.5, 0.5)
@@ -118,7 +118,7 @@ probe (638, 479) f32(0.0, 0.0, 0.0, 0.0)
% The "_centroid" semantic modifier can be specified together with the "centroid" prefix attribute.
% The WARP driver doesn't seem to support centroid interpolation for SM < 4.
[pixel shader todo]
[pixel shader]
static const float2 sample_pos = {-0.001f, 0.000f};
float4 main(centroid float2 t : TEXCOORD0_centroid) : SV_Target
@@ -133,7 +133,7 @@ float4 main(centroid float2 t : TEXCOORD0_centroid) : SV_Target
[test]
clear rtv 0 1.0 1.0 1.0 1.0
todo draw triangle list 3
draw triangle list 3
todo probe (1, 1) f32(0.5, 0.5, 0.5, 0.5)
probe (638, 1) f32(0.0, 0.0, 0.0, 0.0)
todo probe (1, 478) f32(0.5, 0.5, 0.5, 0.5)
@@ -155,8 +155,7 @@ float4 main(float2 t : TEXCOORD0_centroid_centroid) : SV_Target
% The centroid mode can only be applied to texcoord registers in SM2,
% and cannot be applied to any semantic registers in SM3.
[pixel shader fail(sm<3) todo]
[pixel shader fail(sm<3)]
float4 main(centroid float2 t : COLOR) : SV_Target
{
return t.x;
@@ -168,13 +167,13 @@ float4 main(centroid float2 t : COLOR) : SV_Target
shader model >= 3.0
shader model < 4.0
[pixel shader fail todo]
[pixel shader fail]
float4 main(centroid float t : VFACE) : SV_Target
{
return t;
}
[pixel shader fail todo]
[pixel shader fail]
float4 main(centroid float3 t : VPOS) : SV_Target
{
return t.x;