bool GenerateShaderPass(SimpleLitMasterNode masterNode, ShaderPass pass, GenerationMode mode, ShaderGenerator result, List <string> sourceAssetDependencyPaths)
{
UniversalShaderGraphUtilities.SetRenderState(masterNode.surfaceType, masterNode.alphaMode, masterNode.twoSided.isOn, ref pass);
// apply master node options to active fields
var activeFields = GetActiveFieldsFromMasterNode(masterNode, pass);
return(ShaderGraph.GenerationUtils.GenerateShaderPass(masterNode, pass, mode, activeFields, result, sourceAssetDependencyPaths,
UniversalShaderGraphResources.s_Dependencies, UniversalShaderGraphResources.s_ResourceClassName, UniversalShaderGraphResources.s_AssemblyName));
}
ActiveFields GetActiveFieldsFromMasterNode(SimpleLitMasterNode masterNode, ShaderPass pass)
{
var activeFields = new ActiveFields();
var baseActiveFields = activeFields.baseInstance;
// Graph Vertex
if (masterNode.IsSlotConnected(SimpleLitMasterNode.PositionSlotId) ||
masterNode.IsSlotConnected(SimpleLitMasterNode.VertNormalSlotId) ||
masterNode.IsSlotConnected(SimpleLitMasterNode.VertTangentSlotId))
{
baseActiveFields.Add("features.graphVertex");
}
// Graph Pixel (always enabled)
baseActiveFields.Add("features.graphPixel");
if (masterNode.IsSlotConnected(SimpleLitMasterNode.AlphaThresholdSlotId) ||
masterNode.GetInputSlots <Vector1MaterialSlot>().First(x => x.id == SimpleLitMasterNode.AlphaThresholdSlotId).value > 0.0f)
{
baseActiveFields.Add("AlphaClip");
}
if (masterNode.IsSlotConnected(SimpleLitMasterNode.NormalSlotId))
{
baseActiveFields.Add("Normal");
}
// Keywords for transparent
// #pragma shader_feature _SURFACE_TYPE_TRANSPARENT
if (masterNode.surfaceType != ShaderGraph.SurfaceType.Opaque)
{
// transparent-only defines
baseActiveFields.Add("SurfaceType.Transparent");
// #pragma shader_feature _ _BLENDMODE_ALPHA _BLENDMODE_ADD _BLENDMODE_PRE_MULTIPLY
if (masterNode.alphaMode == AlphaMode.Alpha)
{
baseActiveFields.Add("BlendMode.Alpha");
}
else if (masterNode.alphaMode == AlphaMode.Additive)
{
baseActiveFields.Add("BlendMode.Add");
}
else if (masterNode.alphaMode == AlphaMode.Premultiply)
{
baseActiveFields.Add("BlendMode.Premultiply");
}
}
return(activeFields);
}
public SimpleLitSettingsView(SimpleLitMasterNode node)
{
m_Node = node;
PropertySheet ps = new PropertySheet();
ps.Add(new PropertyRow(new Label("Surface")), (row) =>
{
row.Add(new EnumField(SurfaceType.Opaque), (field) =>
{
field.value = m_Node.surfaceType;
field.RegisterValueChangedCallback(ChangeSurface);
});
});
ps.Add(new PropertyRow(new Label("RenderQueue")), (row) =>
{
row.Add(new EnumField(SurfaceMaterialTags.RenderQueue.Geometry), (field) =>
{
field.value = m_Node.surfaceType;
field.RegisterValueChangedCallback(ChangeRenderQueue);
});
});
ps.Add(new PropertyRow(new Label("ZTest")), (row) =>
{
row.Add(new EnumField(ZTest.LEqual), (field) =>
{
field.value = m_Node.zTest;
field.RegisterValueChangedCallback(ChangeZTest);
});
});
ps.Add(new PropertyRow(new Label("ZWrite")), (row) =>
{
row.Add(new EnumField(ZWrite.On), (field) =>
{
field.value = m_Node.zWrite;
field.RegisterValueChangedCallback(ChangeZWrite);
});
});
ps.Add(new PropertyRow(new Label("Blend")), (row) =>
{
row.Add(new EnumField(AlphaMode.Additive), (field) =>
{
field.value = m_Node.alphaMode;
field.RegisterValueChangedCallback(ChangeAlphaMode);
});
});
ps.Add(new PropertyRow(new Label("Two Sided")), (row) =>
{
row.Add(new Toggle(), (toggle) =>
{
toggle.value = m_Node.twoSided.isOn;
toggle.OnToggleChanged(ChangeTwoSided);
});
});
Add(ps);
}
