VIDEO - 3dfx voodoo emulation (SDL1) \ VOGONS

VIDEO - 3dfx voodoo emulation (SDL1)

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First post, by kekko

Posted on 2014-12-26, 13:28

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Hi all!
I'd like to share with you all the latest 3dfx patch with opengl accelerated rendering.
No one worked on it in years, but still, it works quite nice, even if it's not bug-free.

The following options will be available into your config file:

[pci] # voodoo: Enable VOODOO support. # Possible values: false, software, opengl, auto. # voodoomem: Specify VOOD […]
Show full quote
[pci]
# voodoo: Enable VOODOO support.
# Possible values: false, software, opengl, auto.
# voodoomem: Specify VOODOO card memory size.
# 'standard' 4MB card (2MB front buffer + 1x2MB texture unit)
# 'max' 12MB card (4MB front buffer + 2x4MB texture units)
# Possible values: standard, max.

voodoo=auto
voodoomem=standard

- voodoo: use 'opengl' mode for higher speed, 'software' mode for a more accurate emulation
- voodoomem: a standard voodoo1 card usually came with 4mb, but you can max out memory in order to get higher screen/textures resolution

Please find attached:
- a binary file you have to drop into your dosbox installation folder
- a .diff patch against current svn tree (if you don't know what it is, you don't need it)

Just a few recommendations:
- please post all your questions in this thread, don't PM me or anyone else on this and don't open new threads
- if you do anything with this, like adding features or fixing bugs, please share it with everyone by posting your changes on this thread
- if you like this patch, let us know by posting some nice screenshots or videos (please use external image upload service to save vogons.org bandwidth)

Happy Holidays!!!

Reply 1 of 139, by Qbix

Posted on 2014-12-26, 13:39

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Thanks Kekko!

Water flows down the stream
How to ask questions the smart way!

Reply 2 of 139, by gulikoza

Posted on 2014-12-26, 15:26

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The following patch fixes some OS X compilation issues but it was never merged in the main patch. Can you add it 😀

http://www.si-gamer.net/gulikoza

Reply 3 of 139, by Dominus

Posted on 2014-12-26, 15:35

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Moved to the patches forum. It's high time for an official version of Dosbox with this patch!!!!

Windows 3.1x guide for DOSBox
60 seconds guide to DOSBox
DOSBox SVN snapshot for macOS (10.4-11.x ppc/intel 32/64bit) notarized for gatekeeper

Reply 4 of 139, by truth_deleted

Posted on 2014-12-26, 23:25

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Thanks for your work, Mr kekko! I look forward to reading your code. 😀

Reply 5 of 139, by kolano

Posted on 2014-12-27, 01:47

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Is there a change log for this?
If not, how is this differentiated from the patch in the current DAUM build by Yhkwong? It seems like that has was last updated May 1, 2011.

Eyecandy: Turn your computer into an expensive lava lamp.

Reply 6 of 139, by leileilol

Posted on 2014-12-27, 07:39

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Any chance for GLSL'd dither on textures plus a GLSL postprocess filter? It definitely is possible 😀 😀 😀 😀 😀 😀 😀

long live PCem

Reply 7 of 139, by Harekiet

Posted on 2014-12-27, 08:50

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You should just buy glasses with a 3dfx filter.

Reply 8 of 139, by xcomcmdr

Posted on 2015-01-05, 19:53

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Thanks a lot ! Really, you're awesome !

I was struggling yesterday on a Windows 8 box trying to get Resident Evil 2 to run without using the ugly software mode. I got the cutscenes to work by installing ffdshow tryouts and enabling it's VFW Intel Indeo 5 decoder, but software mode was in 320x200, really slow, and really ugly. I remember playing it with a 3DFX back in the time in 640x480 fullscreen (16 bpp). The only real solution I found was to use a real Win98 PIII-based PC with a 3DFX, which means I've got to rebulid the damn thing. Again ( 😵 ).

With this patch and DOSBox-X (which, as I understand, is more Win9X friendly than vanilla DOSBox) I might get RE 2 - and other games that even nglide can't get to run because they use DirectX and not Glide - to run properly on a modern computer. At least, there is definitely hope it will be possible someday.

(yes I know I can get the PSX original, or the N64 port, or the Gamecube port running in an emulator today, but I prefer the PC-version-in-hardware-mode's filtered textures).

And that makes a whole lot of DOS Glide games playable now on my Archlinux laptop. That's crazy awesome. 😀
I will definitely try to make an Archlinux AUR script available and maintained.

😀

Reply 9 of 139, by PhilsComputerLab

Posted on 2015-01-05, 20:40

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Ok this is interesting!

I have a noob question, the whole thing with SVN DOSBox always confused me.

Tweaking GOG.com DOSBox games is one of my interests and I had good success with nGlide.

Now will this emulation work with the DOSBox versions that GOG.com packs their games or will I need to replace / upgrade it?

What are the installation steps?

I tried it in one game. I put the Dosbox3dfx into the DOSBox folder, changed the game shortcut to launch Dosbox3dfx instead of Dosbox, edited the existing config file and added the copy paste section from the first post but when running it the DOSBox crashes to the desktop right away.

Last edited by PhilsComputerLab on 2015-01-05, 20:52. Edited 2 times in total.

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Reply 10 of 139, by Dominus

Posted on 2015-01-05, 20:44

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kind of replace it, instead of using the GOG version you use another one but you need to use the configs from the gog one. There is a how to somewhere, please search and post additional questions in there 😀

Windows 3.1x guide for DOSBox
60 seconds guide to DOSBox
DOSBox SVN snapshot for macOS (10.4-11.x ppc/intel 32/64bit) notarized for gatekeeper

Reply 11 of 139, by leileilol

Posted on 2015-02-02, 14:10

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I have no good place to put this, but here's a rough port of the new leifx filter shader to the Direct3D patch's shader system. Use with kekko's software Glide rendering for best effect. 😀

tried to turn my 4 pass method into a 1 pass, probably failed doing so. but it does work with the dither sort of. For reference this is my original glsl version

long live PCem

Reply 12 of 139, by Stiletto

Posted on 2015-04-29, 22:02

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FWIW, MAME's voodoo.c has undoubtedly been touched since kekko last looked at it. BSD 3-clause-licensed.
https://github.com/mamedev/mame/commits/maste … /video/voodoo.c
https://github.com/mamedev/mame/commits/maste … ideo/vooddefs.h
https://github.com/mamedev/mame/commits/maste … /video/voodoo.h
Bug fixes just went in to fix problems with iteagle.c

"I see a little silhouette-o of a man, Scaramouche, Scaramouche, will you
do the Fandango!" - Queen

Stiletto

Reply 13 of 139, by njaydg

Posted on 2015-04-30, 16:31

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Just wondering... Does this patch do any miracles with Battle Arena Toshinden's 3dfx mode? * crosses fingers *

Reply 14 of 139, by petersteele

Posted on 2015-09-04, 08:01

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Thank you Kekko, you are like a gaming God amongst men who dig old games, a saviour. You bring fun and nostalgia to so many.

Reply 15 of 139, by Quaker762

Posted on 2015-09-05, 13:25

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Looking good over here kekko, managed to get F1RS to run perfectly (albeit it running slow, the recommended specs state a Pentium, so I'm not 100% sure why it's so choppy)

Reply 16 of 139, by OSH

Posted on 2016-01-18, 12:36

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Well. Is any way to force DOSBOX 3dfx to scale Voodoo image? When i set up a scaler for example "hardware3x", the display is scaled but only on 8-bit screens. When i set 16 or 32-bit depth, or when I try to display Voodoo image (for example from X-Wing for Windows 95), I see only a small window. Can someone tell me, what I'm doing wrong?
Here my config:

1# This is the configurationfile for DOSBox 0.74-uber. (Please use the latest version of DOSBox)
2# Lines starting with a # are commentlines and are ignored by DOSBox.
3# They are used to (briefly) document the effect of each option.
4
5[sdl]
6#       fullscreen: Start dosbox directly in fullscreen. (Press ALT-Enter to go back)
7#       fulldouble: Use double buffering in fullscreen. It can reduce screen flickering, but it can also result in a slow DOSBox.
8#   fullresolution: What resolution to use for fullscreen: original or fixed size (e.g. 1024x768).
9#                     Using your monitor's native resolution with aspect=true might give the best results.
10#                     If you end up with small window on a large screen, try an output different from surface.
11# windowresolution: Scale the window to this size IF the output device supports hardware scaling.
12#                     (output=surface does not!)
13#           output: What video system to use for output.
14#                   Possible values: surface, overlay, opengl, openglnb, openglhq, ddraw, direct3d.
15#         autolock: Mouse will automatically lock, if you click on the screen. (Press CTRL-F10 to unlock)
16#      sensitivity: Mouse sensitivity.
17#      waitonerror: Wait before closing the console if dosbox has an error.
18#         priority: Priority levels for dosbox. Second entry behind the comma is for when dosbox is not focused/minimized.
19#                     pause is only valid for the second entry.
20#                   Possible values: lowest, lower, normal, higher, highest, pause.
21#       mapperfile: File used to load/save the key/event mappings from. Resetmapper only works with the defaul value.
22#      pixelshader: Pixelshader program (effect file must be in Shaders subdirectory).
23#     usescancodes: Avoid usage of symkeys, might not work on all operating systems.
24
25fullscreen=false
26fulldouble=true
27fullresolution=1024x768
28windowresolution=1024x768
29output=openglnb
30autolock=true
31sensitivity=100
32waitonerror=true
33priority=higher,normal
34mapperfile=none
35pixelshader=none
36usescancodes=true
37
38[dosbox]
39# language: Select another language file.
40#  machine: The type of machine tries to emulate.
41#           Possible values: hercules, cga, tandy, pcjr, ega, vgaonly, svga_s3, svga_et3000, svga_et4000, svga_paradise, vesa_nolfb, vesa_oldvbe.
42# captures: Directory where things like wave, midi, screenshot get captured.
43#  memsize: Amount of memory DOSBox has in megabytes.
44#             This value is best left at its default to avoid problems with some games,
45#             though few games might require a higher value.
46#             There is generally no speed advantage when raising this value.
47
48language=
49machine=svga_s3
50captures=capture
51memsize=128
52
53[render]
54# frameskip: How many frames DOSBox skips before drawing one.
55#    aspect: Do aspect correction, if your output method doesn't support scaling this can slow things down!.
56#    scaler: Scaler used to enlarge/enhance low resolution modes. If 'forced' is appended,the scaler will be used even if the result might not be desired.
57#            Hardware modes (all except surface) also support hardware2x or hardware3x, use for hardware scaling.
58#            Possible values: none, normal2x, normal3x, advmame2x, advmame3x, advinterp2x, advinterp3x, hq2x, hq3x, 2xsai, super2xsai, supereagle, tv2x, tv3x, rgb2x, rgb3x, scan2x, scan3x, hardware2x, hardware3x.
59
60frameskip=0

…Show last 275 lines

61aspect=false
62scaler=none
63
64[cpu]
65#      core: CPU Core used in emulation. auto will switch to dynamic if available and appropriate.
66#            Possible values: auto, dynamic, normal, full, simple.
67#   cputype: CPU Type used in emulation. auto is the fastest choice.
68#            Possible values: auto, 386, 386_slow, 486_slow, pentium_slow, 386_prefetch.
69#    cycles: Amount of instructions DOSBox tries to emulate each millisecond.
70#            Setting this value too high results in sound dropouts and lags.
71#            Cycles can be set in 3 ways:
72#              'auto'          tries to guess what a game needs.
73#                              It usually works, but can fail for certain games.
74#              'fixed #number' will set a fixed amount of cycles. This is what you usually need if 'auto' fails.
75#                              (Example: fixed 4000).
76#              'max'           will allocate as much cycles as your computer is able to handle.
77#            
78#            Possible values: auto, fixed, max.
79#   cycleup: Amount of cycles to decrease/increase with keycombo.(CTRL-F11/CTRL-F12)
80# cycledown: Setting it lower than 100 will be a percentage.
81
82core=dynamic
83cputype=pentium_slow
84cycles=max
85cycleup=10
86cycledown=20
87
88[mixer]
89#   nosound: Enable silent mode, sound is still emulated though.
90#      rate: Mixer sample rate, setting any device's rate higher than this will probably lower their sound quality.
91#            Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
92# blocksize: Mixer block size, larger blocks might help sound stuttering but sound will also be more lagged.
93#            Possible values: 1024, 2048, 4096, 8192, 512, 256.
94# prebuffer: How many milliseconds of data to keep on top of the blocksize.
95
96nosound=false
97rate=44100
98blocksize=1024
99prebuffer=20
100
101[midi]
102#     mpu401: Type of MPU-401 to emulate.
103#             Possible values: intelligent, uart, none.
104# mididevice: Device that will receive the MIDI data from MPU-401.
105#             Possible values: default, win32, alsa, oss, coreaudio, coremidi, mt32, none.
106# midiconfig: Special configuration options for the device driver. This is usually the id of the device you want to use.
107#               See the README/Manual for more details.
108
109mpu401=intelligent
110mididevice=win32
111midiconfig=0
112
113[sblaster]
114#       sbtype: Type of Soundblaster to emulate. gb is Gameblaster.
115#               Possible values: sb1, sb2, sbpro1, sbpro2, sb16, gb, none.
116#       sbbase: The IO address of the soundblaster.
117#               Possible values: 220, 240, 260, 280, 2a0, 2c0, 2e0, 300.
118#          irq: The IRQ number of the soundblaster.
119#               Possible values: 7, 5, 3, 9, 10, 11, 12.
120#          dma: The DMA number of the soundblaster.
121#               Possible values: 1, 5, 0, 3, 6, 7.
122#         hdma: The High DMA number of the soundblaster.
123#               Possible values: 1, 5, 0, 3, 6, 7.
124#      sbmixer: Allow the soundblaster mixer to modify the DOSBox mixer.
125#      oplmode: Type of OPL emulation. On 'auto' the mode is determined by sblaster type. All OPL modes are Adlib-compatible, except for 'cms'.
126#               Possible values: auto, cms, opl2, dualopl2, opl3, none, hardware.
127#       oplemu: Provider for the OPL emulation. compat might provide better quality (see oplrate as well).
128#               Possible values: default, compat, fast.
129#      oplrate: Sample rate of OPL music emulation. Use 49716 for highest quality (set the mixer rate accordingly).
130#               Possible values: 44100, 49716, 48000, 32000, 22050, 16000, 11025, 8000.
131# hardwarebase: base address of the real hardware soundblaster:
132#               210,220,230,240,250,260,280
133
134sbtype=sb16
135sbbase=220
136irq=7
137dma=1
138hdma=5
139sbmixer=true
140oplmode=auto
141oplemu=default
142oplrate=44100
143hardwarebase=220
144
145[gus]
146#      gus: Enable the Gravis Ultrasound emulation.
147#  gusrate: Sample rate of Ultrasound emulation.
148#           Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
149#  gusbase: The IO base address of the Gravis Ultrasound.
150#           Possible values: 240, 220, 260, 280, 2a0, 2c0, 2e0, 300.
151#   gusirq: The IRQ number of the Gravis Ultrasound.
152#           Possible values: 5, 3, 7, 9, 10, 11, 12.
153#   gusdma: The DMA channel of the Gravis Ultrasound.
154#           Possible values: 3, 0, 1, 5, 6, 7.
155# ultradir: Path to Ultrasound directory. In this directory
156#           there should be a MIDI directory that contains
157#           the patch files for GUS playback. Patch sets used
158#           with Timidity should work fine.
159
160gus=true
161gusrate=44100
162gusbase=240
163gusirq=5
164gusdma=3
165ultradir=C:\ULTRASND
166
167[speaker]
168# pcspeaker: Enable PC-Speaker emulation.
169#    pcrate: Sample rate of the PC-Speaker sound generation.
170#            Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
171#     tandy: Enable Tandy Sound System emulation. For 'auto', emulation is present only if machine is set to 'tandy'.
172#            Possible values: auto, on, off.
173# tandyrate: Sample rate of the Tandy 3-Voice generation.
174#            Possible values: 44100, 48000, 32000, 22050, 16000, 11025, 8000, 49716.
175#    disney: Enable Disney Sound Source emulation. (Covox Voice Master and Speech Thing compatible).
176
177pcspeaker=true
178pcrate=44100
179tandy=auto
180tandyrate=44100
181disney=false
182
183[joystick]
184# joysticktype: Type of joystick to emulate: auto (default), none,
185#               2axis (supports two joysticks),
186#               4axis (supports one joystick, first joystick used),
187#               4axis_2 (supports one joystick, second joystick used),
188#               fcs (Thrustmaster), ch (CH Flightstick).
189#               none disables joystick emulation.
190#               auto chooses emulation depending on real joystick(s).
191#               (Remember to reset dosbox's mapperfile if you saved it earlier)
192#               Possible values: auto, 2axis, 4axis, 4axis_2, fcs, ch, none.
193#        timed: enable timed intervals for axis. Experiment with this option, if your joystick drifts (away).
194#     autofire: continuously fires as long as you keep the button pressed.
195#       swap34: swap the 3rd and the 4th axis. can be useful for certain joysticks.
196#   buttonwrap: enable button wrapping at the number of emulated buttons.
197
198joysticktype=auto
199timed=true
200autofire=false
201swap34=false
202buttonwrap=false
203
204[serial]
205# serial1: set type of device connected to com port.
206#          Can be disabled, dummy, modem, nullmodem, directserial.
207#          Additional parameters must be in the same line in the form of
208#          parameter:value. Parameter for all types is irq (optional).
209#          for directserial: realport (required), rxdelay (optional).
210#                           (realport:COM1 realport:ttyS0).
211#          for modem: listenport (optional).
212#          for nullmodem: server, rxdelay, txdelay, telnet, usedtr,
213#                         transparent, port, inhsocket (all optional).
214#          Example: serial1=modem listenport:5000
215#          Possible values: dummy, disabled, modem, nullmodem, directserial.
216# serial2: see serial1
217#          Possible values: dummy, disabled, modem, nullmodem, directserial.
218# serial3: see serial1
219#          Possible values: dummy, disabled, modem, nullmodem, directserial.
220# serial4: see serial1
221#          Possible values: dummy, disabled, modem, nullmodem, directserial.
222
223serial1=dummy
224serial2=dummy
225serial3=disabled
226serial4=disabled
227
228[printer]
229#     printer: Enable printer emulation.
230#         dpi: Resolution of printer (default 360).
231#       width: Width of paper in 1/10 inch (default 85 = 8.5'').
232#      height: Height of paper in 1/10 inch (default 110 = 11.0'').
233# printoutput: Output method for finished pages: 
234#                png     : Creates PNG images (default)
235#                ps      : Creates Postscript
236#                bmp     : Creates BMP images (very huge files, not recommend)
237#                printer : Send to an actual printer (Print dialog will appear)
238#   multipage: Adds all pages to one Postscript file or printer job until CTRL-F2 is pressed.
239#     docpath: The path where the output files are stored.
240#     timeout: (in milliseconds) if nonzero: the time the page will
241#              be ejected automatically after when no more data
242#              arrives at the printer.
243
244printer=false
245dpi=360
246width=85
247height=110
248printoutput=png
249multipage=false
250docpath=.
251timeout=0
252
253[parallel]
254# parallel1: parallel1-3 -- set type of device connected to lpt port.
255#            Can be:
256#            	reallpt (direct parallel port passthrough using Porttalk),
257#            	printer (virtual dot-matrix printer, see [printer] section)
258#            Additional parameters must be in the same line in the form of
259#            parameter:value.
260#              for reallpt:
261#                Windows: realbase (the base address of your real parallel port).
262#                  Standard ports are 378, 278 and 3BC. The first two can be ECP ports.
263#                  PCI add-on cards may use nonstandard ports, look them up in the device manager.
264#                  Default: 378
265#                  You have to install the PortTalk driver from
266#                  http://www.beyondlogic.org/porttalk/porttalk.htm first.
267#                Linux: realport (the parallel port device i.e. /dev/parport0).
268#              for printer:
269#                printer still has it's own configuration section above.
270# parallel2: see parallel1
271# parallel3: see parallel1
272
273parallel1=disabled
274parallel2=disabled
275parallel3=disabled
276
277[glide]
278#  glide: Enable glide emulation: true,false.
279# grport: I/O port to use for host communication.
280#    lfb: LFB access: full,read,write,none.
281# splash: Enable 3dfx splash logo: true,false. Need 3DfxSpl2.dll
282
283[pci]
284# voodoo: Enable VOODOO support.
285# Possible values: false, software, opengl, auto.
286    # voodoomem: Specify VOODOO card memory size.
287    # 'standard' 4MB card (2MB front buffer + 1x2MB texture unit)
288    # 'max' 12MB card (4MB front buffer + 2x4MB texture units)
289    # Possible values: standard, max.
290
291voodoo=auto
292voodoomem=standard
293
294glide=true
295grport=600
296lfb=full
297splash=true
298
299[dos]
300#            xms: Enable XMS support.
301#            ems: Enable EMS support.
302#            umb: Enable UMB support.
303# keyboardlayout: Language code of the keyboard layout (or none).
304
305xms=true
306ems=true
307umb=true
308keyboardlayout=auto
309
310[ipx]
311# ipx: Enable ipx over UDP/IP emulation.
312
313ipx=false
314
315[ne2000]
316#  ne2000: Enable Ethernet passthrough. Requires [Win]Pcap.
317# nicbase: The base address of the NE2000 board.
318#  nicirq: The interrupt it uses. Note serial2 uses IRQ3 as default.
319# macaddr: The physical address the emulator will use on your network.
320#          If you have multiple DOSBoxes running on your network,
321#          this has to be changed for each. AC:DE:48 is an address range reserved for
322#          private use, so modify the last three number blocks.
323#          I.e. AC:DE:48:88:99:AB.
324# realnic: Specifies which of your network interfaces is used.
325#          Write 'list' here to see the list of devices in the
326#          Status Window. Then make your choice and put either the
327#          interface number (2 or something) or a part of your adapters
328#          name, e.g. VIA here.
329
330ne2000=true
331nicbase=300
332nicirq=3
333macaddr=AC:DE:48:88:99:AA
334realnic=list

Reply 17 of 139, by leileilol

Posted on 2016-01-20, 19:45

leileilol Offline

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Posts: 12178
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IIRC the scaling only works if you're using software Voodoo emulation

long live PCem

Reply 18 of 139, by Da Easy Mitch

Posted on 2016-02-04, 12:25

Da Easy Mitch Offline

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Posts: 26
Joined: 2015-10-09, 10:11

Out of curiosity I applied kekkos patch to the current SVN (r3957) and tried it with Screamer Rally. And it worked! 😀 Here's the binary if everyone wants to check it out more:

The attachment DOSBOX_3Dfx.7z is no longer available

I will try out more games asap.
UPDATE: Bleifuss 2 / Screamer 2 works, too, as well as Fatal Racing / Whiplash.

Reply 19 of 139, by startmenu

Posted on 2016-04-10, 15:43

startmenu Offline

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Rank: Newbie
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Joined: 2013-08-07, 07:26

Well, but this patch got broken on Linux, too...

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