IRIX 3dfx Voodoo driver and glide2x IRIX port

Summary

At the moment only SST1 (Voodoo1) is supported on IP32 (O2). Only tested on IRIX 6.5.30 with RM7000C CPU.-driver sources (SST1 and CVG support on IP32) https://github.com/sdz-mods/tdfx_irix-glide2x IRIX port (SST1 on IP32) https://github.com/sdz-mods/glide_irix-hinv wrapper with 3dfx support: https://github.com/sdz-mods/hinv_3dfx Mar 23 13:48:33 5A:IRIS unix: NOTICE: tdfx: init — 3Dfx Voodoo1/Voodoo2 driver Mar 23 13:48:33 5A:IRIS unix: NOTICE: tdfx: registering for Voodoo1 and Voodoo2 Mar 23 13:48:33 5A:IRIS unix: NOTICE: tdfx: attaching Voodoo1 (SST-1) as card 0 Mar 23 13:48:33 5A:IRIS unix: NOTICE: tdfx: SST-1 BAR0 mapped: reg_kva=bb000000 reg_phys=0x1b000000 fb_kva=bb400000 fb_phys=0x1b400000 Mar 23 13:48:33 5A:IRIS unix: NOTICE: tdfx: IP32 write-gather skipped for SST-1 (single BAR) Mar 23 13:48:33 5A:IRIS unix: NOTICE: tdfx: card 0 (Voodoo1 (SST-1)) reg_phys=0x1b000000 fb_phys=0x1b400000 Mar 23 13:48:37 5A:IRIS unix: NOTICE: tdfx: card 0 accessible at /hw/tdfx0 Mar 23 13:48:37 5A:IRIS unix: NOTICE: tdfx: 1 card(s) registered Mar 23 13:48:33 5E:IRIS lboot: Module /var/sysgen/boot/tdfx.o dynamically loaded. IRIS 31# ./test20 test20: mipmap modes 2.46 Resolution: 640x480 Press A Key To Begin Test. Couldn't determine cpu type. Using i586 initEnumHardware: calling pciOpen fxirix: 1 3Dfx card(s) opened pciOpen: hasDev3DfxIrix=1 pciOpenIrix: numDevices=1 initEnumHardware: pciOpen OK initEnumHardware: slot 0 vendor=0x121a device=0x1 initEnumHardware: SST1 defined, checking TDFXVID=0x121a SST1DID=0x01 initEnumHardware: SST1 card detected at slot 0 fxirix: device 0 TDFX_GET_REGBASE=0x1b000000 fxirix: card 0 reg_base=0x1b000000 fb_base=0x1b400000 reg_size=4194304 fb_size=12582912 fxirix: map card 0 reg window phys=0x1b000000 size=16777216 fxirix: mmap fd=3 offset=0x0 length=16777216 fxirix: device 0 TDFX_GET_REGBASE=0x1b000000 SetGrxClk: tex write sstbase=4000000 addr=4f00000 vidInit: A (after VCLK_ENABLE) vidInit: B (timing regs done) vidInit: C (SetResolution done) vid...