// @return 0:off, 0..4
static uint32 ComputeAmbientOcclusionPassCount(FPostprocessContext& Context)
{
uint32 Ret = 0;
bool bEnabled = true;
if(!IsLpvIndirectPassRequired(Context))
{
bEnabled = Context.View.FinalPostProcessSettings.AmbientOcclusionIntensity > 0
&& Context.View.FinalPostProcessSettings.AmbientOcclusionRadius >= 0.1f
&& (IsBasePassAmbientOcclusionRequired(Context) || IsAmbientCubemapPassRequired(Context) || IsReflectionEnvironmentActive(Context) || IsSkylightActive(Context) || Context.View.Family->EngineShowFlags.VisualizeBuffer )
&& !IsSimpleDynamicLightingEnabled();
}
if(bEnabled)
{
static const auto ICVar = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.AmbientOcclusionLevels"));
Ret = FMath::Clamp(ICVar->GetValueOnRenderThread(), 0, 4);
}
return Ret;
}
bool ShouldRenderScreenSpaceAmbientOcclusion(const FViewInfo& View)
{
bool bEnabled = true;
if (!IsLpvIndirectPassRequired(View))
{
bEnabled = View.FinalPostProcessSettings.AmbientOcclusionIntensity > 0
&& View.Family->EngineShowFlags.Lighting
&& View.FinalPostProcessSettings.AmbientOcclusionRadius >= 0.1f
&& !View.Family->UseDebugViewPS()
&& (FSSAOHelper::IsBasePassAmbientOcclusionRequired(View) || IsAmbientCubemapPassRequired(View) || IsReflectionEnvironmentActive(View) || IsSkylightActive(View) || View.Family->EngineShowFlags.VisualizeBuffer)
&& !IsAnyForwardShadingEnabled(View.GetShaderPlatform());
}
return bEnabled;
}
