static bool CheckType(Type t, glComponentType ct)
{
switch (ct)
{
case glComponentType.BYTE: return(t == typeof(sbyte));
case glComponentType.SHORT: return(t == typeof(short));
case glComponentType.UNSIGNED_BYTE: return(t == typeof(byte));
case glComponentType.UNSIGNED_SHORT: return(t == typeof(ushort));
case glComponentType.UNSIGNED_INT: return(t == typeof(uint));
case glComponentType.FLOAT: return(t == typeof(float));
}
throw new NotImplementedException();
}
public static int GetByteSize(this glComponentType self)
{
switch (self)
{
case glComponentType.BYTE: return(1);
case glComponentType.UNSIGNED_BYTE: return(1);
case glComponentType.SHORT: return(2);
case glComponentType.UNSIGNED_SHORT: return(2);
case glComponentType.UNSIGNED_INT: return(4);
case glComponentType.FLOAT: return(4);
default: throw new System.NotImplementedException();
}
}
IEnumerable <int> _GetIndices(glTFBufferView view, int count, int byteOffset, glComponentType componentType)
{
switch (componentType)
{
case glComponentType.UNSIGNED_BYTE:
{
return(GetAttrib <Byte>(count, byteOffset, view).Select(x => (int)(x)));
}
case glComponentType.UNSIGNED_SHORT:
{
return(GetAttrib <UInt16>(count, byteOffset, view).Select(x => (int)(x)));
}
case glComponentType.UNSIGNED_INT:
{
return(GetAttrib <UInt32>(count, byteOffset, view).Select(x => (int)(x)));
}
}
throw new NotImplementedException("GetIndices: unknown componenttype: " + componentType);
}
public ComponentVec(glComponentType componentType, int elementCount)
{
ComponentType = componentType;
ElementCount = elementCount;
}