public void AddShaderProperty(CompositionManager compositor, ShaderProperty sp)
{
Assert.IsNotNull(sp);
// Check if property should be shown in the inspector
bool hide = ((int)sp.flags & (int)ShaderPropertyFlags.NonModifiableTextureData) != 0 ||
((int)sp.flags & (int)ShaderPropertyFlags.HideInInspector) != 0;
if (!hide)
{
// Check if property already exists / do not add duplicates
int indx = m_ShaderProperties.FindIndex(s => s.propertyName == sp.propertyName);
if (indx < 0)
{
m_ShaderProperties.Add(sp);
}
}
// For textures, check if we already have this layer in the layer list. If not, add it.
if (sp.propertyType == ShaderPropertyType.Texture)
{
int indx = compositor.layers.FindIndex(s => s.name == sp.propertyName);
if (indx < 0 && !hide)
{
var newLayer = CompositorLayer.CreateOutputLayer(sp.propertyName);
compositor.layers.Add(newLayer);
}
else if (indx >= 0 && hide)
{
// if a layer that was in the list is now hidden, remove it
compositor.RemoveLayerAtIndex(indx);
}
}
}
public static ShaderProperty Create(Shader shader, Material material, int index)
{
ShaderProperty sp = new ShaderProperty();
{
sp.propertyName = shader.GetPropertyName(index);
sp.propertyType = shader.GetPropertyType(index);
sp.flags = shader.GetPropertyFlags(index);
sp.value = Vector4.zero;
if (sp.propertyType == ShaderPropertyType.Range)
{
sp.rangeLimits = shader.GetPropertyRangeLimits(index);
sp.value = new Vector4(material.GetFloat(Shader.PropertyToID(shader.GetPropertyName(index))), 0.0f, 0.0f, 0.0f);
}
else if (sp.propertyType == ShaderPropertyType.Color)
{
sp.value = material.GetColor(Shader.PropertyToID(shader.GetPropertyName(index)));
}
else if (sp.propertyType == ShaderPropertyType.Vector)
{
sp.value = material.GetVector(Shader.PropertyToID(shader.GetPropertyName(index)));
}
}
return(sp);
}
public static ShaderProperty Create(Shader shader, Material material, int index)
{
ShaderProperty sp = new ShaderProperty();
{
sp.propertyName = shader.GetPropertyName(index);
sp.propertyType = shader.GetPropertyType(index);
sp.flags = shader.GetPropertyFlags(index);
sp.value = Vector4.zero;
sp.canBeUsedAsRT = false;
if (sp.propertyType == ShaderPropertyType.Texture)
{
// Detect if this property corresponds to a virtual texture stack (we cannot render on those)
shader.FindTextureStack(index, out string stackName, out int layerIndex);
sp.canBeUsedAsRT = (stackName.Length == 0);
// Only 2D textures can be used as layers (no cube maps, 3d textures, etc)
sp.canBeUsedAsRT &= (shader.GetPropertyTextureDimension(index) == TextureDimension.Tex2D);
}
if (sp.propertyType == ShaderPropertyType.Range)
{
sp.rangeLimits = shader.GetPropertyRangeLimits(index);
sp.value = new Vector4(material.GetFloat(Shader.PropertyToID(shader.GetPropertyName(index))), 0.0f, 0.0f, 0.0f);
}
else if (sp.propertyType == ShaderPropertyType.Color)
{
sp.value = material.GetColor(Shader.PropertyToID(shader.GetPropertyName(index)));
}
else if (sp.propertyType == ShaderPropertyType.Vector)
{
sp.value = material.GetVector(Shader.PropertyToID(shader.GetPropertyName(index)));
}
}
return(sp);
}
public void AddPropertiesFromShaderAndMaterial(CompositionManager compositor, Shader shader, Material material)
{
// reflect the non-texture shader properties
List <string> propertyNames = new List <string>();
int propCount = shader.GetPropertyCount();
for (int i = 0; i < propCount; i++)
{
ShaderProperty sp = ShaderProperty.Create(shader, material, i);
AddShaderProperty(compositor, sp);
propertyNames.Add(sp.propertyName);
}
// remove any left-over properties that do not appear in the shader anymore
for (int j = m_ShaderProperties.Count - 1; j >= 0; --j)
{
int indx = propertyNames.FindIndex(x => x == m_ShaderProperties[j].propertyName);
if (indx < 0)
{
m_ShaderProperties.RemoveAt(j);
}
}
// Now remove any left-over layers that do not appear in the shader anymore
for (int j = compositor.layers.Count - 1; j >= 0; --j)
{
if (compositor.layers[j].outputTarget != CompositorLayer.OutputTarget.CameraStack)
{
int indx = propertyNames.FindIndex(x => x == compositor.layers[j].name);
if (indx < 0)
{
compositor.RemoveLayerAtIndex(j);
}
}
}
}