[Port] [6000.3] [UUM-128839] Fix point light shadow artifact when soft shadows are enabled

svc-reach-platform-support · Evergreen · commit 2fa1f627ee80 · 2026-01-21T16:27:07.000Z
diff --git a/Packages/com.unity.render-pipelines.universal/Runtime/Passes/AdditionalLightsShadowCasterPass.cs b/Packages/com.unity.render-pipelines.universal/Runtime/Passes/AdditionalLightsShadowCasterPass.cs
@@ -743,7 +743,7 @@ bool SetupForEmptyRendering(bool stripShadowsOffVariants, bool shadowsEnabled, U
                     bool lightHasSoftShadows = shadows != LightShadows.Soft;
                     bool supportsSoftShadows = shadowData.supportsSoftShadows;
                     float softShadows = ShadowUtils.SoftShadowQualityToShaderProperty(light, (supportsSoftShadows && lightHasSoftShadows));
-                    s_EmptyAdditionalLightIndexToShadowParams[lightIndexToUse] = new Vector4(light.shadowStrength, softShadows, lightType, lightIndexToUse);
+                    s_EmptyAdditionalLightIndexToShadowParams[lightIndexToUse] = new Vector4(light.shadowStrength, softShadows, lightType, c_DefaultShadowParams.w);
                 }
                 else
                 {

Original file line number	Diff line number	Diff line change
`@@ -743,7 +743,7 @@ bool SetupForEmptyRendering(bool stripShadowsOffVariants, bool shadowsEnabled, U`
`743`	`743`	`bool lightHasSoftShadows = shadows != LightShadows.Soft;`
`744`	`744`	`bool supportsSoftShadows = shadowData.supportsSoftShadows;`
`745`	`745`	`float softShadows = ShadowUtils.SoftShadowQualityToShaderProperty(light, (supportsSoftShadows && lightHasSoftShadows));`
`746`		`- s_EmptyAdditionalLightIndexToShadowParams[lightIndexToUse] = new Vector4(light.shadowStrength, softShadows, lightType, lightIndexToUse);`
	`746`	`+ s_EmptyAdditionalLightIndexToShadowParams[lightIndexToUse] = new Vector4(light.shadowStrength, softShadows, lightType, c_DefaultShadowParams.w);`
`747`	`747`	`}`
`748`	`748`	`else`
`749`	`749`	`{`