public static Mip2DSamplingInputs CreateMip2DSamplingInputs(
AbstractMaterialNode node, Texture2DMipSamplingMode mode, Mip2DSamplingInputs previousInputs,
int biasInputId, int lodInputId, int ddxInputId, int ddyInputId)
{
if (previousInputs.bias != null)
{
node.RemoveSlot(previousInputs.bias.id);
}
if (previousInputs.lod != null)
{
node.RemoveSlot(previousInputs.lod.id);
}
if (previousInputs.ddx != null)
{
node.RemoveSlot(previousInputs.ddx.id);
}
if (previousInputs.ddy != null)
{
node.RemoveSlot(previousInputs.ddy.id);
}
Mip2DSamplingInputs inputs = Mip2DSamplingInputs.NewDefault();
inputs.biasInput = biasInputId;
inputs.lodInput = lodInputId;
inputs.ddxInput = ddxInputId;
inputs.ddyInput = ddyInputId;
switch (mode)
{
case Texture2DMipSamplingMode.LOD:
inputs.lod = node.AddSlot(new Vector1MaterialSlot(lodInputId, kLodName, kLodName, SlotType.Input, 0.0f));
break;
case Texture2DMipSamplingMode.Bias:
inputs.bias = node.AddSlot(new Vector1MaterialSlot(biasInputId, kBiasName, kBiasName, SlotType.Input, 0.0f));
break;
case Texture2DMipSamplingMode.Gradient:
inputs.ddx = node.AddSlot(new Vector2MaterialSlot(ddxInputId, kDdxName, kDdxName, SlotType.Input, new Vector2(0.0f, 0.0f)));
inputs.ddy = node.AddSlot(new Vector2MaterialSlot(ddyInputId, kDdyName, kDdyName, SlotType.Input, new Vector2(0.0f, 0.0f)));
break;
}
return(inputs);
}
public static Mip3DSamplingInputs CreateMip3DSamplingInputs(
AbstractMaterialNode node, Texture3DMipSamplingMode mode, Mip3DSamplingInputs previousInputs,
int lodInputId)
{
if (previousInputs.lod != null)
{
node.RemoveSlot(previousInputs.lod.id);
}
Mip3DSamplingInputs inputs = Mip3DSamplingInputs.NewDefault();
inputs.lodInput = lodInputId;
switch (mode)
{
case Texture3DMipSamplingMode.LOD:
inputs.lod = node.AddSlot(new Vector1MaterialSlot(lodInputId, kLodName, kLodName, SlotType.Input, 0.0f));
break;
}
return(inputs);
}