private static HashSet <string> GetActiveFieldsFromMasterNode(AbstractMaterialNode iMasterNode, Pass pass)
{
HashSet <string> activeFields = new HashSet <string>();
HDUnlitMasterNode masterNode = iMasterNode as HDUnlitMasterNode;
if (masterNode == null)
{
return(activeFields);
}
if (masterNode.alphaTest.isOn && pass.PixelShaderUsesSlot(HDUnlitMasterNode.AlphaThresholdSlotId))
{
activeFields.Add("AlphaTest");
}
if (masterNode.surfaceType != SurfaceType.Opaque)
{
if (masterNode.transparencyFog.isOn)
{
activeFields.Add("AlphaFog");
}
}
return(activeFields);
}
private static bool GenerateShaderPassUnlit(HDUnlitMasterNode masterNode, Pass pass, GenerationMode mode, ShaderGenerator result, List <string> sourceAssetDependencyPaths)
{
if (mode == GenerationMode.ForReals || pass.UseInPreview)
{
pass.OnGeneratePass(masterNode);
// apply master node options to active fields
HashSet <string> activeFields = GetActiveFieldsFromMasterNode(masterNode, pass);
// use standard shader pass generation
bool vertexActive = masterNode.IsSlotConnected(HDUnlitMasterNode.PositionSlotId);
return(HDSubShaderUtilities.GenerateShaderPass(masterNode, pass, mode, activeFields, result, sourceAssetDependencyPaths, vertexActive));
}
else
{
return(false);
}
}
private static bool GenerateShaderPassLit(HDUnlitMasterNode masterNode, Pass pass, GenerationMode mode, ShaderGenerator result, List <string> sourceAssetDependencyPaths)
{
if (mode == GenerationMode.ForReals || pass.UseInPreview)
{
SurfaceMaterialOptions materialOptions = HDSubShaderUtilities.BuildMaterialOptions(masterNode.surfaceType, masterNode.alphaMode, masterNode.doubleSided.isOn, false, (masterNode.renderingPass == HDRenderQueue.RenderQueueType.LowTransparent || masterNode.renderingPass == HDRenderQueue.RenderQueueType.AfterPostprocessTransparent));
pass.OnGeneratePass(masterNode);
// apply master node options to active fields
HashSet <string> activeFields = GetActiveFieldsFromMasterNode(masterNode, pass);
// use standard shader pass generation
bool vertexActive = masterNode.IsSlotConnected(HDUnlitMasterNode.PositionSlotId);
return(HDSubShaderUtilities.GenerateShaderPass(masterNode, pass, mode, materialOptions, activeFields, result, sourceAssetDependencyPaths, vertexActive));
}
else
{
return(false);
}
}
private static HashSet <string> GetActiveFieldsFromMasterNode(INode iMasterNode, Pass pass)
{
HashSet <string> activeFields = new HashSet <string>();
HDUnlitMasterNode masterNode = iMasterNode as HDUnlitMasterNode;
if (masterNode == null)
{
return(activeFields);
}
if (masterNode.alphaTest.isOn && pass.PixelShaderUsesSlot(HDUnlitMasterNode.AlphaThresholdSlotId))
{
activeFields.Add("AlphaTest");
}
if (masterNode.surfaceType != SurfaceType.Opaque)
{
activeFields.Add("SurfaceType.Transparent");
if (masterNode.alphaMode == AlphaMode.Alpha)
{
activeFields.Add("BlendMode.Alpha");
}
else if (masterNode.alphaMode == AlphaMode.Premultiply)
{
activeFields.Add("BlendMode.Premultiply");
}
else if (masterNode.alphaMode == AlphaMode.Additive)
{
activeFields.Add("BlendMode.Add");
}
if (masterNode.transparencyFog.isOn)
{
activeFields.Add("AlphaFog");
}
}
return(activeFields);
}
