internal bool Setup(ScreenSpaceAmbientOcclusionSettings featureSettings, ScriptableRenderer renderer)
{
this.renderPassEvent = featureSettings.AfterOpaque ? RenderPassEvent.AfterRenderingOpaques : RenderPassEvent.AfterRenderingGbuffer;
m_Renderer = renderer;
m_CurrentSettings = featureSettings;
ScreenSpaceAmbientOcclusionSettings.DepthSource source = this.isRendererDeferred
? ScreenSpaceAmbientOcclusionSettings.DepthSource.DepthNormals
: m_CurrentSettings.Source;
switch (source)
{
case ScreenSpaceAmbientOcclusionSettings.DepthSource.Depth:
ConfigureInput(ScriptableRenderPassInput.Depth);
break;
case ScreenSpaceAmbientOcclusionSettings.DepthSource.DepthNormals:
ConfigureInput(ScriptableRenderPassInput.Normal); // need depthNormal prepass for forward-only geometry
break;
default:
throw new ArgumentOutOfRangeException();
}
return(material != null &&
m_CurrentSettings.Intensity > 0.0f &&
m_CurrentSettings.Radius > 0.0f &&
m_CurrentSettings.SampleCount > 0);
}
internal ScreenSpaceAmbientOcclusionPass()
{
m_CurrentSettings = new ScreenSpaceAmbientOcclusionSettings();
m_SSAOTexture1 = RTHandles.Alloc(new RenderTargetIdentifier(s_SSAOTexture1ID, 0, CubemapFace.Unknown, -1), "_SSAO_OcclusionTexture1");
m_SSAOTexture2 = RTHandles.Alloc(new RenderTargetIdentifier(s_SSAOTexture2ID, 0, CubemapFace.Unknown, -1), "_SSAO_OcclusionTexture2");
m_SSAOTexture3 = RTHandles.Alloc(new RenderTargetIdentifier(s_SSAOTexture3ID, 0, CubemapFace.Unknown, -1), "_SSAO_OcclusionTexture3");
m_SSAOTextureFinal = RTHandles.Alloc(new RenderTargetIdentifier(s_SSAOTextureFinalID, 0, CubemapFace.Unknown, -1), "_SSAO_OcclusionTexture");
}
internal bool Setup(ScreenSpaceAmbientOcclusionSettings featureSettings)
{
m_CurrentSettings = featureSettings;
switch (m_CurrentSettings.Source)
{
case ScreenSpaceAmbientOcclusionSettings.DepthSource.Depth:
ConfigureInput(ScriptableRenderPassInput.Depth);
break;
case ScreenSpaceAmbientOcclusionSettings.DepthSource.DepthNormals:
ConfigureInput(ScriptableRenderPassInput.Normal);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(material != null &&
m_CurrentSettings.Intensity > 0.0f &&
m_CurrentSettings.Radius > 0.0f &&
m_CurrentSettings.SampleCount > 0);
}
internal bool Setup(ScreenSpaceAmbientOcclusionSettings featureSettings, ScriptableRenderer renderer, Material material)
{
m_Material = material;
m_Renderer = renderer;
m_CurrentSettings = featureSettings;
ScreenSpaceAmbientOcclusionSettings.DepthSource source;
if (isRendererDeferred)
{
renderPassEvent = featureSettings.AfterOpaque ? RenderPassEvent.AfterRenderingOpaques : RenderPassEvent.AfterRenderingGbuffer;
source = ScreenSpaceAmbientOcclusionSettings.DepthSource.DepthNormals;
}
else
{
// Rendering after PrePasses is usually correct except when depth priming is in play:
// then we rely on a depth resolve taking place after the PrePasses in order to have it ready for SSAO.
// Hence we set the event to RenderPassEvent.AfterRenderingPrePasses + 1 at the earliest.
renderPassEvent = featureSettings.AfterOpaque ? RenderPassEvent.AfterRenderingOpaques : RenderPassEvent.AfterRenderingPrePasses + 1;
source = m_CurrentSettings.Source;
}
switch (source)
{
case ScreenSpaceAmbientOcclusionSettings.DepthSource.Depth:
ConfigureInput(ScriptableRenderPassInput.Depth);
break;
case ScreenSpaceAmbientOcclusionSettings.DepthSource.DepthNormals:
ConfigureInput(ScriptableRenderPassInput.Normal); // need depthNormal prepass for forward-only geometry
break;
default:
throw new ArgumentOutOfRangeException();
}
return(m_Material != null &&
m_CurrentSettings.Intensity > 0.0f &&
m_CurrentSettings.Radius > 0.0f &&
m_CurrentSettings.SampleCount > 0);
}
internal ScreenSpaceAmbientOcclusionPass()
{
m_CurrentSettings = new ScreenSpaceAmbientOcclusionSettings();
}