10 commits

Author	SHA1	Message	Date
Ian Curtis	a310e8e5cf	minor optimisations	2016-11-28 17:32:25 +00:00
Ian Curtis	54c405709f	Need to walk back in memory and check the previous texture tiles to see if they overlap with the current textures being invalidated. If they overlap they must be cleared too. Algorithm is a bit brute forcy and more expensive than I'd like but it fixes the bad textures in Spikeout.	2016-11-22 20:30:10 +00:00
Ian Curtis	d799c63b1a	cache bound texture	2016-06-10 11:29:20 +00:00
Ian Curtis	65d6342947	remove dead code	2016-05-21 16:26:00 +00:00
Ian Curtis	fd3eb49369	support 4 bit textures	2016-05-21 15:50:54 +00:00
Ian Curtis	3693a51cbb	Make sure texture is bound to correct texture unit, stop flashing micro textures in daytona	2016-05-04 16:30:15 +00:00
Ian Curtis	ecea4cad56	change tex format 4	2016-04-04 10:21:34 +00:00
Ian Curtis	e1278f4451	allow 8 bit mono textures to be contour textures, fixes a bunch of missing transparency in harley la riders	2016-03-27 08:39:40 +00:00
Ian Curtis	4992e59673	Cache rom models, for better performance.	2016-03-26 22:44:26 +00:00
Bart Trzynadlowski	34301e97e1	Adding new 3D engine by Ian Curtis. Old engine moved to Graphics/Legacy3D/.	2016-03-21 04:10:14 +00:00