You know what else didnt support additive blending? S3 ViRGE decelerator, Matrox Mystique mistake, nor NEC PowerVR PCX 1/2, afaik not even Permedia 1/2.
Another pain point was multiplicative blending missing in even more early 3d accelerators.
Then came 3dfx Voodoo doing all the blending modes for free.
Wasnt December 1995 Comdex premiere still a closed door dont look behind the curtain $80K SGI box showcasing what the chip will do? with actual boards shipping a year later starting October 1996. Flood began after 1997 ram price collapse dropping initial Voodoo1 $299 price down to $199.
