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Added UTSAPI

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Misaki
2025-05-21 17:02:07 +09:00
parent 35dc7b15a6
commit 59b46bce44
9 changed files with 147 additions and 69 deletions
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34
Runtime/Shaders/Includes/Lighting/UtsLightLoop.hlsl
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@@ -19,25 +19,6 @@ int eAngelRing = 4;
int eRimLight = 5;
int eOutline = 6;
int GetNextDirectionalLightIndex(BuiltinData builtinData, int currentIndex, int mainLightIndex)
{
int i = 0; // Declare once to avoid the D3D11 compiler warning.
for (i = 0; i < (int)_DirectionalLightCount; ++i)
{
if (IsMatchingLightLayer(_DirectionalLightDatas[i].lightLayers, builtinData.renderingLayers))
{
if (mainLightIndex != i)
{
if (currentIndex < i)
{
return i;
}
}
}
}
return -1; // not found
}
bool UtsUseScreenSpaceShadow(DirectionalLightData light, float3 normalWS)
{
#if defined(RAY_TRACED_SCREEN_SPACE_SHADOW_FLAG)
@@ -50,18 +31,7 @@ bool UtsUseScreenSpaceShadow(DirectionalLightData light, float3 normalWS)
return (validScreenSpaceShadow && ((rayTracedShadow && visibleLight) || !rayTracedShadow));
#else
return ((light.screenSpaceShadowIndex & SCREEN_SPACE_SHADOW_INDEX_MASK) != INVALID_SCREEN_SPACE_SHADOW);
#endif
}
bool IsNonZeroBSDF(float3 L, UtsBSDFData bsdfData)
{
#if _MATERIAL_TYPE_FACE
return true;
#else
float NdotL = dot(bsdfData.normalWS, L);
return NdotL > 0.0;
#endif
#endif
}
void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bsdfData, BuiltinData builtinData,
@@ -99,7 +69,7 @@ void UtsLightLoop(FragInputs fragInputs, PositionInputs posInput, UtsBSDFData bs
// Is it worth sampling the shadow map?
// Should we skip it if NdotL is negative? (i.e. transmission)
if ((light.lightDimmer > 0) && (light.shadowDimmer > 0))
if ((light.lightDimmer > 0) && (light.shadowDimmer > 0) && IsNonZeroBSDF(L, bsdfData))
{
context.shadowValue = GetDirectionalShadowAttenuation(context.shadowContext,
posInput.positionSS, posInput.positionWS + L * _ShadowDistanceBias, UtsGetShadowNormal(bsdfData),