static float EvaluateHistoryValidityPointShadow(HDCamera hdCamera, LightData lightData, HDAdditionalLightData additionalLightData)
{
// We need to set the history as invalid if the light has moved (rotated or translated),
float historyValidity = 1.0f;
if (additionalLightData.previousTransform != additionalLightData.transform.localToWorldMatrix ||
!hdCamera.ValidShadowHistory(additionalLightData, lightData.screenSpaceShadowIndex, lightData.lightType))
{
historyValidity = 0.0f;
}
// We need to check if the camera implied an invalidation
historyValidity *= EvaluateHistoryValidity(hdCamera);
return(historyValidity);
}
static float EvaluateHistoryValidityDirectionalShadow(HDCamera hdCamera, int dirShadowIndex, HDAdditionalLightData additionalLightData)
{
// We need to set the history as invalid if the directional light has rotated
float historyValidity = 1.0f;
if (additionalLightData.previousTransform.rotation != additionalLightData.transform.localToWorldMatrix.rotation ||
!hdCamera.ValidShadowHistory(additionalLightData, dirShadowIndex, GPULightType.Directional))
{
historyValidity = 0.0f;
}
#if UNITY_HDRP_DXR_TESTS_DEFINE
if (Application.isPlaying)
{
historyValidity = 0.0f;
}
else
#endif
// We need to check if something invalidated the history buffers
historyValidity *= EvaluateHistoryValidity(hdCamera);
return(historyValidity);
}