static void ExecuteSSShadowDirectional(CommandBuffer cmd, SSShadowDirectionalParameters sssdParams, RTHandle textureArray)
{
// If it is screen space but not ray traced, then we can rely on the shadow map
// WARNING: This pattern only works because we can only have one directional and the directional shadow is evaluated first.
CoreUtils.SetRenderTarget(cmd, textureArray, depthSlice: sssdParams.depthSlice);
HDUtils.DrawFullScreen(cmd, s_ScreenSpaceShadowsMat, textureArray);
}
SSShadowDirectionalParameters PrepareSSShadowDirectionalParameters()
{
SSShadowDirectionalParameters sssdParams = new SSShadowDirectionalParameters();
sssdParams.depthSlice = m_CurrentSunLightDirectionalLightData.screenSpaceShadowIndex;
return(sssdParams);
}
void RenderDirectionalLightScreenSpaceShadow(CommandBuffer cmd, HDCamera hdCamera)
{
// Should we be executing anything really?
bool screenSpaceShadowRequired = m_CurrentSunLightAdditionalLightData != null && m_CurrentSunLightAdditionalLightData.WillRenderScreenSpaceShadow();
// Render directional screen space shadow if required
if (screenSpaceShadowRequired)
{
using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.RaytracingDirectionalLightShadow)))
{
bool rayTracedDirectionalRequired = m_CurrentSunLightAdditionalLightData.WillRenderRayTracedShadow();
// If the shadow is flagged as ray traced, we need to evaluate it completely
if (rayTracedDirectionalRequired)
{
RenderRayTracedDirectionalScreenSpaceShadow(cmd, hdCamera);
}
else
{
SSShadowDirectionalParameters sssdParams = PrepareSSShadowDirectionalParameters();
ExecuteSSShadowDirectional(cmd, sssdParams, m_ScreenSpaceShadowTextureArray);
}
}
}
}