private static bool GenerateShaderPass(SpriteLitMasterNode masterNode, ShaderPass pass, GenerationMode mode, ShaderGenerator result, List <string> sourceAssetDependencyPaths)
{
UniversalShaderGraphUtilities.SetRenderState(SurfaceType.Transparent, AlphaMode.Alpha, true, ref pass);
// apply master node options to active fields
var activeFields = GetActiveFieldsFromMasterNode(masterNode, pass);
// use standard shader pass generation
return(ShaderGraph.GenerationUtils.GenerateShaderPass(masterNode, pass, mode, activeFields, result, sourceAssetDependencyPaths,
UniversalShaderGraphResources.s_Dependencies, UniversalShaderGraphResources.s_ResourceClassName, UniversalShaderGraphResources.s_AssemblyName));
}
private static ActiveFields GetActiveFieldsFromMasterNode(SpriteLitMasterNode masterNode, ShaderPass pass)
{
var activeFields = new ActiveFields();
var baseActiveFields = activeFields.baseInstance;
// Graph Vertex
if (masterNode.IsSlotConnected(SpriteLitMasterNode.PositionSlotId) ||
masterNode.IsSlotConnected(SpriteLitMasterNode.VertNormalSlotId) ||
masterNode.IsSlotConnected(SpriteLitMasterNode.VertTangentSlotId))
{
baseActiveFields.Add("features.graphVertex");
}
// Graph Pixel (always enabled)
baseActiveFields.Add("features.graphPixel");
baseActiveFields.Add("SurfaceType.Transparent");
baseActiveFields.Add("BlendMode.Alpha");
return(activeFields);
}