public override void CollectShaderProperties(PropertyCollector properties, GenerationMode generationMode)
{
if (!generationMode.IsPreview())
{
return;
}
base.CollectShaderProperties(properties, generationMode);
GradientUtil.GetGradientPropertiesForPreview(properties, GetVariableNameForNode(), gradient);
}
public override void AddDefaultProperty(PropertyCollector properties, 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 != GenerationMode.Preview)
{
return;
}
GradientUtil.GetGradientPropertiesForPreview(properties, matOwner.GetVariableNameForSlot(id), value);
}
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 static void GetGradientPropertiesForPreview(PropertyCollector properties, string name, Gradient value)
{
properties.AddShaderProperty(new Vector1ShaderProperty()
{
overrideReferenceName = $"{name}_Type",
value = (int)value.mode,
generatePropertyBlock = false
});
properties.AddShaderProperty(new Vector1ShaderProperty()
{
overrideReferenceName = $"{name}_ColorsLength",
value = value.colorKeys.Length,
generatePropertyBlock = false
});
properties.AddShaderProperty(new Vector1ShaderProperty()
{
overrideReferenceName = $"{name}_AlphasLength",
value = value.alphaKeys.Length,
generatePropertyBlock = false
});
for (int i = 0; i < 8; i++)
{
properties.AddShaderProperty(new Vector4ShaderProperty()
{
overrideReferenceName = $"{name}_ColorKey{i}",
value = i < value.colorKeys.Length ? GradientUtil.ColorKeyToVector(value.colorKeys[i]) : Vector4.zero,
generatePropertyBlock = false
});
}
for (int i = 0; i < 8; i++)
{
properties.AddShaderProperty(new Vector2ShaderProperty()
{
overrideReferenceName = $"{name}_AlphaKey{i}",
value = i < value.alphaKeys.Length ? GradientUtil.AlphaKeyToVector(value.alphaKeys[i]) : Vector2.zero,
generatePropertyBlock = false
});
}
}
protected override string ConcreteSlotValueAsVariable()
{
return(GradientUtil.GetGradientValue(value, ""));
}
public void GenerateNodeCode(ShaderStringBuilder sb, GenerationMode mode)
{
// preview is always generating a full shader, even when previewing within a subgraph
bool isGeneratingSubgraph = owner.isSubGraph && (mode != GenerationMode.Preview);
switch (property.propertyType)
{
case PropertyType.Boolean:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Float:
sb.AppendLine($"$precision {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Vector2:
sb.AppendLine($"$precision2 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Vector3:
sb.AppendLine($"$precision3 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Vector4:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case PropertyType.Color:
switch (property.sgVersion)
{
case 0:
case 2:
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
break;
case 1:
case 3:
//Exposed color properties get put into the correct space automagikally by Unity UNLESS tagged as HDR, then they just get passed in as is.
//for consistency with other places in the editor, we assume HDR colors are in linear space, and correct for gamma space here
if ((property as ColorShaderProperty).colorMode == ColorMode.HDR)
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = IsGammaSpace() ? LinearToSRGB({property.GetHLSLVariableName(isGeneratingSubgraph, mode)}) : {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
}
else
{
sb.AppendLine($"$precision4 {GetVariableNameForSlot(OutputSlotId)} = {property.GetHLSLVariableName(isGeneratingSubgraph, mode)};");
}
break;
default:
throw new Exception($"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 SetMaterialPropertyBlockValue(Material mat)
{
if ((propType == PropertyType.Texture2D || propType == PropertyType.Texture2DArray || propType == PropertyType.Texture3D) && textureValue != null)
{
mat.SetTexture(name, m_ClassData.textureValue);
}
else if (propType == PropertyType.Cubemap && cubemapValue != null)
{
mat.SetTexture(name, m_ClassData.cubemapValue);
}
else if (propType == PropertyType.Color)
{
mat.SetColor(name, m_StructData.colorValue);
}
else if (propType == PropertyType.Vector2 || propType == PropertyType.Vector3 || propType == PropertyType.Vector4)
{
mat.SetVector(name, m_StructData.vector4Value);
}
else if (propType == PropertyType.Vector1)
{
mat.SetFloat(name, m_StructData.floatValue);
}
else if (propType == PropertyType.Boolean)
{
mat.SetFloat(name, m_StructData.booleanValue ? 1 : 0);
}
else if (propType == PropertyType.Matrix2 || propType == PropertyType.Matrix3 || propType == PropertyType.Matrix4)
{
mat.SetMatrix(name, m_StructData.matrixValue);
}
else if (propType == PropertyType.Gradient)
{
mat.SetFloat(string.Format("{0}_Type", name), (int)m_ClassData.gradientValue.mode);
mat.SetFloat(string.Format("{0}_ColorsLength", name), m_ClassData.gradientValue.colorKeys.Length);
mat.SetFloat(string.Format("{0}_AlphasLength", name), m_ClassData.gradientValue.alphaKeys.Length);
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_ColorKey{1}", name, i), i < m_ClassData.gradientValue.colorKeys.Length ? GradientUtil.ColorKeyToVector(m_ClassData.gradientValue.colorKeys[i]) : Vector4.zero);
}
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_AlphaKey{1}", name, i), i < m_ClassData.gradientValue.alphaKeys.Length ? GradientUtil.AlphaKeyToVector(m_ClassData.gradientValue.alphaKeys[i]) : Vector2.zero);
}
}
}
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 SetValueOnMaterialPropertyBlock(MaterialPropertyBlock mat)
{
if ((propType == PropertyType.Texture2D || propType == PropertyType.Texture2DArray || propType == PropertyType.Texture3D))
{
if (m_ClassData.textureValue == null)
{
// there's no way to set the texture back to NULL
// and no way to delete the property either
// so instead we set the value to what we know the default will be
// (all textures in ShaderGraph default to white)
mat.SetTexture(name, Texture2D.whiteTexture);
}
else
{
mat.SetTexture(name, m_ClassData.textureValue);
}
}
else if (propType == PropertyType.Cubemap)
{
if (m_ClassData.cubemapValue == null)
{
// there's no way to set the texture back to NULL
// and no way to delete the property either
// so instead we set the value to what we know the default will be
// (all textures in ShaderGraph default to white)
// there's no Cubemap.whiteTexture, but this seems to work
mat.SetTexture(name, Texture2D.whiteTexture);
}
else
{
mat.SetTexture(name, m_ClassData.cubemapValue);
}
}
else if (propType == PropertyType.Color)
{
mat.SetColor(name, m_StructData.colorValue);
}
else if (propType == PropertyType.Vector2 || propType == PropertyType.Vector3 || propType == PropertyType.Vector4)
{
mat.SetVector(name, m_StructData.vector4Value);
}
else if (propType == PropertyType.Vector1)
{
mat.SetFloat(name, m_StructData.floatValue);
}
else if (propType == PropertyType.Boolean)
{
mat.SetFloat(name, m_StructData.booleanValue ? 1 : 0);
}
else if (propType == PropertyType.Matrix2 || propType == PropertyType.Matrix3 || propType == PropertyType.Matrix4)
{
mat.SetMatrix(name, m_StructData.matrixValue);
}
else if (propType == PropertyType.Gradient)
{
mat.SetFloat(string.Format("{0}_Type", name), (int)m_ClassData.gradientValue.mode);
mat.SetFloat(string.Format("{0}_ColorsLength", name), m_ClassData.gradientValue.colorKeys.Length);
mat.SetFloat(string.Format("{0}_AlphasLength", name), m_ClassData.gradientValue.alphaKeys.Length);
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_ColorKey{1}", name, i), i < m_ClassData.gradientValue.colorKeys.Length ? GradientUtil.ColorKeyToVector(m_ClassData.gradientValue.colorKeys[i]) : Vector4.zero);
}
for (int i = 0; i < 8; i++)
{
mat.SetVector(string.Format("{0}_AlphaKey{1}", name, i), i < m_ClassData.gradientValue.alphaKeys.Length ? GradientUtil.AlphaKeyToVector(m_ClassData.gradientValue.alphaKeys[i]) : Vector2.zero);
}
}
else if (propType == PropertyType.VirtualTexture)
{
// virtual texture assignments are not supported via the material property block, we must assign them to the materials
}
}
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;
}
}