public void GenerateNodeCode(ShaderStringBuilder sb, GraphContext graphContext, GenerationMode generationMode)
{
if (asset == null || hasError)
{
var outputSlots = new List <MaterialSlot>();
GetOutputSlots(outputSlots);
var outputPrecision = asset != null ? asset.outputPrecision : ConcretePrecision.Float;
foreach (var slot in outputSlots)
{
sb.AppendLine($"{slot.concreteValueType.ToShaderString(outputPrecision)} {GetVariableNameForSlot(slot.id)} = {slot.GetDefaultValue(GenerationMode.ForReals)};");
}
return;
}
var inputVariableName = $"_{GetVariableNameForNode()}";
GraphUtil.GenerateSurfaceInputTransferCode(sb, asset.requirements, asset.inputStructName, inputVariableName);
foreach (var outSlot in asset.outputs)
{
sb.AppendLine("{0} {1};", outSlot.concreteValueType.ToShaderString(asset.outputPrecision), GetVariableNameForSlot(outSlot.id));
}
var arguments = new List <string>();
foreach (var prop in asset.inputs)
{
prop.ValidateConcretePrecision(asset.graphPrecision);
var inSlotId = m_PropertyIds[m_PropertyGuids.IndexOf(prop.guid.ToString())];
switch (prop)
{
case TextureShaderProperty texture2DProp:
arguments.Add(string.Format("TEXTURE2D_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode, prop.concretePrecision)));
break;
case Texture2DArrayShaderProperty texture2DArrayProp:
arguments.Add(string.Format("TEXTURE2D_ARRAY_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode, prop.concretePrecision)));
break;
case Texture3DShaderProperty texture3DProp:
arguments.Add(string.Format("TEXTURE3D_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode, prop.concretePrecision)));
break;
case CubemapShaderProperty cubemapProp:
arguments.Add(string.Format("TEXTURECUBE_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode, prop.concretePrecision)));
break;
default:
arguments.Add(string.Format("{0}", GetSlotValue(inSlotId, generationMode, prop.concretePrecision)));
break;
}
}
// pass surface inputs through
arguments.Add(inputVariableName);
foreach (var outSlot in asset.outputs)
{
arguments.Add(GetVariableNameForSlot(outSlot.id));
}
sb.AppendLine("{0}({1});", asset.functionName, arguments.Aggregate((current, next) => string.Format("{0}, {1}", current, next)));
}
public void GenerateNodeCode(ShaderGenerator visitor, GraphContext graphContext, GenerationMode generationMode)
{
var sb = new ShaderStringBuilder();
if (subGraphData == null || hasError)
{
var outputSlots = new List <MaterialSlot>();
GetOutputSlots(outputSlots);
foreach (var slot in outputSlots)
{
visitor.AddShaderChunk($"{NodeUtils.ConvertConcreteSlotValueTypeToString(precision, slot.concreteValueType)} {GetVariableNameForSlot(slot.id)} = {slot.GetDefaultValue(GenerationMode.ForReals)};");
}
return;
}
var inputVariableName = $"_{GetVariableNameForNode()}";
GraphUtil.GenerateSurfaceInputTransferCode(sb, subGraphData.requirements, subGraphData.inputStructName, inputVariableName);
visitor.AddShaderChunk(sb.ToString());
foreach (var outSlot in subGraphData.outputs)
{
visitor.AddShaderChunk(string.Format("{0} {1};", NodeUtils.ConvertConcreteSlotValueTypeToString(precision, outSlot.concreteValueType), GetVariableNameForSlot(outSlot.id)));
}
var arguments = new List <string>();
foreach (var prop in subGraphData.inputs)
{
var inSlotId = m_PropertyIds[m_PropertyGuids.IndexOf(prop.guid.ToString())];
if (prop is TextureShaderProperty)
{
arguments.Add(string.Format("TEXTURE2D_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode)));
}
else if (prop is Texture2DArrayShaderProperty)
{
arguments.Add(string.Format("TEXTURE2D_ARRAY_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode)));
}
else if (prop is Texture3DShaderProperty)
{
arguments.Add(string.Format("TEXTURE3D_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode)));
}
else if (prop is CubemapShaderProperty)
{
arguments.Add(string.Format("TEXTURECUBE_ARGS({0}, sampler{0})", GetSlotValue(inSlotId, generationMode)));
}
else
{
arguments.Add(GetSlotValue(inSlotId, generationMode));
}
}
// pass surface inputs through
arguments.Add(inputVariableName);
foreach (var outSlot in subGraphData.outputs)
{
arguments.Add(GetVariableNameForSlot(outSlot.id));
}
visitor.AddShaderChunk(
string.Format("{0}({1});"
, subGraphData.functionName
, arguments.Aggregate((current, next) => string.Format("{0}, {1}", current, next))));
}
