Vector4f GetReg(Register reg)
{
switch (reg.Kind) {
case RegKind.Temp:
return temp [reg.Number];
case RegKind.Constant:
return constants [reg.Number];
case RegKind.ColorOut:
return colorOut [reg.Number];
case RegKind.Texture:
return textures [reg.Number];
default:
throw new Exception ("can't handle reg load of type " + reg.Kind);
}
}
void VisitReg(Register reg)
{
if (reg.Kind == RegKind.Constant) {
if (!constantMap.ContainsKey (reg.Number))
constantMap [reg.Number] = true;
}
}