public override string GetDefaultValue(GenerationMode generationMode)
{
var matOwner = owner as AbstractMaterialNode;
if (matOwner == null)
{
throw new Exception(string.Format("Slot {0} either has no owner, or the owner is not a {1}", this, typeof(AbstractMaterialNode)));
}
if (generationMode.IsPreview())
{
return(GradientUtil.GetGradientForPreview(matOwner.GetVariableNameForSlot(id)));
}
return(ConcreteSlotValueAsVariable());
}
public void GenerateNodeCode(ShaderStringBuilder sb, GenerationMode mode)
{
// preview is always generating a full shader, even when previewing within a subgraph
bool isGeneratingSubgraph = owner.isSubGraph && (mode != GenerationMode.Preview);
switch (property.propertyType)
{
case PropertyType.Boolean:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Float:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Vector2:
sb.AppendLine($"$precision2 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Vector3:
sb.AppendLine($"$precision3 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Vector4:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Color:
switch (property.sgVersion)
{
case 0:
case 2:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case 1:
case 3:
//Exposed color properties get put into the correct space automagikally by Unity UNLESS tagged as HDR, then they just get passed in as is.
//for consistency with other places in the editor, we assume HDR colors are in linear space, and correct for gamma space here
if ((property as ColorShaderProperty).colorMode == ColorMode.HDR)
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = IsGammaSpace() ? LinearToSRGB({property.GetHLSLVariableName(isGeneratingSubgraph, mode)}) : {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
}
else
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
}
break;
default:
throw new Exception($"Unknown Color Property Version on property {property.displayName}");
}
break;
case PropertyType.Matrix2:
sb.AppendLine($"$precision2x2 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Matrix3:
sb.AppendLine($"$precision3x3 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Matrix4:
sb.AppendLine($"$precision4x4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Texture2D:
sb.AppendLine($"UnityTexture2D {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Texture3D:
sb.AppendLine($"UnityTexture3D {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Texture2DArray:
sb.AppendLine($"UnityTexture2DArray {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Cubemap:
sb.AppendLine($"UnityTextureCube {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.SamplerState:
sb.AppendLine($"UnitySamplerState {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Gradient:
if (mode == GenerationMode.Preview)
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {GradientUtil.GetGradientForPreview(property.GetHLSLVariableName(isGeneratingSubgraph, mode))};");
}
else
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
}
break;
}
if (property.isConnectionTestable)
{
// If in a subgraph, the value will be read from a function parameter.
// If generating preview mode code, we always inline the value, according to code gen requirements.
// The parent graph always sets the explicit value to be passed to a subgraph function.
sb.AppendLine("bool {0} = {1};", GetConnectionStateVariableNameForSlot(OutputSlotId), (mode == GenerationMode.Preview || !isGeneratingSubgraph) ? (IsSlotConnected(OutputSlotId) ? "true" : "false") : property.GetConnectionStateHLSLVariableName());
}
}
public void GenerateNodeCode(ShaderStringBuilder sb, GenerationMode generationMode)
{
switch (property.propertyType)
{
case PropertyType.Boolean:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Float:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector2:
sb.AppendLine($"$precision2 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector3:
sb.AppendLine($"$precision3 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector4:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Color:
switch (property.sgVersion)
{
case 0:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case 1:
//Exposed color properties get put into the correct space automagikally by Unity UNLESS tagged as HDR, then they just get passed in as is.
//for consistency with other places in the editor, we assume HDR colors are in linear space, and correct for gamma space here
if ((property as ColorShaderProperty).colorMode == ColorMode.HDR)
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = IsGammaSpace() ? LinearToSRGB({property.referenceName}) : {property.referenceName};");
}
else
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
}
break;
default:
throw new Exception($"Unknown Color Property Version on property {property.displayName}");
}
break;
case PropertyType.Matrix2:
sb.AppendLine($"$precision2x2 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Matrix3:
sb.AppendLine($"$precision3x3 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Matrix4:
sb.AppendLine($"$precision4x4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.SamplerState:
sb.AppendLine($"SamplerState {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Gradient:
if (generationMode == GenerationMode.Preview)
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {GradientUtil.GetGradientForPreview(property.referenceName)};");
}
else
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
}
break;
}
}
public void GenerateNodeCode(ShaderStringBuilder sb, GenerationMode generationMode)
{
// preview is always generating a full shader, even when previewing within a subgraph
bool isGeneratingSubgraph = owner.isSubGraph && (generationMode != GenerationMode.Preview);
switch (property.propertyType)
{
case PropertyType.Boolean:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Float:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Vector2:
sb.AppendLine($"$precision2 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Vector3:
sb.AppendLine($"$precision3 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Vector4:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Color:
switch (property.sgVersion)
{
case 0:
case 2:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case 1:
case 3:
//Exposed color properties get put into the correct space automagikally by Unity UNLESS tagged as HDR, then they just get passed in as is.
//for consistency with other places in the editor, we assume HDR colors are in linear space, and correct for gamma space here
if ((property as ColorShaderProperty).colorMode == ColorMode.HDR)
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = IsGammaSpace() ? LinearToSRGB({property.GetHLSLVariableName(isGeneratingSubgraph)}) : {property.GetHLSLVariableName(isGeneratingSubgraph)};");
}
else
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
}
break;
default:
throw new Exception($"Unknown Color Property Version on property {property.displayName}");
}
break;
case PropertyType.Matrix2:
sb.AppendLine($"$precision2x2 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Matrix3:
sb.AppendLine($"$precision3x3 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Matrix4:
sb.AppendLine($"$precision4x4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Texture2D:
sb.AppendLine($"UnityTexture2D {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Texture3D:
sb.AppendLine($"UnityTexture3D {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Texture2DArray:
sb.AppendLine($"UnityTexture2DArray {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Cubemap:
sb.AppendLine($"UnityTextureCube {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.SamplerState:
sb.AppendLine($"UnitySamplerState {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
break;
case PropertyType.Gradient:
if (generationMode == GenerationMode.Preview)
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {GradientUtil.GetGradientForPreview(property.GetHLSLVariableName(isGeneratingSubgraph))};");
}
else
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph)};");
}
break;
}
}
public void GenerateNodeCode(ShaderStringBuilder sb, GraphContext graphContext, GenerationMode generationMode)
{
if (generationMode.IsPreview())
{
sb.AppendLine("Gradient {0} = {1};", GetVariableNameForSlot(outputSlotId), GradientUtil.GetGradientForPreview(GetVariableNameForNode()));
}
else
{
sb.AppendLine("Gradient {0} = {1}", GetVariableNameForSlot(outputSlotId), GradientUtil.GetGradientValue(gradient, ";"));
}
}
public void GenerateNodeCode(ShaderStringBuilder sb, GenerationMode generationMode)
{
var property = owner.properties.FirstOrDefault(x => x.guid == propertyGuid);
if (property == null)
{
return;
}
switch (property.propertyType)
{
case PropertyType.Boolean:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector1:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector2:
sb.AppendLine($"$precision2 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector3:
sb.AppendLine($"$precision3 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Vector4:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Color:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Matrix2:
sb.AppendLine($"$precision2x2 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Matrix3:
sb.AppendLine($"$precision3x3 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Matrix4:
sb.AppendLine($"$precision4x4 {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.SamplerState:
sb.AppendLine($"SamplerState {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
break;
case PropertyType.Gradient:
if (generationMode == GenerationMode.Preview)
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {GradientUtil.GetGradientForPreview(property.referenceName)};");
}
else
{
sb.AppendLine($"Gradient {GetVariableNameForSlot(OutputSlotId)} = {property.referenceName};");
}
break;
}
}