Ian Curtis
5ace960f14
tweak value so the map indicator still works at the start of spikeout
2020-01-04 18:15:30 +00:00
Ian Curtis
6b8a29105a
Sutherland-Hodgeman clipping only works for planar primitives. Scud is rendering non planar quads and this breaks our algorithm a little when using the quad renderer. Stretching the near plane a few % is enough to fix it.
2020-01-04 13:48:14 +00:00
Ian Curtis
d711afade1
Only need to clip against 4 planes for poly culling
2020-01-04 13:45:55 +00:00
Ian Curtis
605dad2c02
Fix the sky in harley in first person mode where pixels in the sky are culled when they shouldn't be with the quad renderer. Basically we were running out of precision in a rare corner case. Doing the maths with double precision and casting back to float was enough to fix the issue.
2019-12-27 21:36:46 +00:00
Ian Curtis
a5858e635d
To calculate the mipmap value the opengl needs to calculate the difference in the texture coordinates between adjacent pixels. If there are no adjacent pixels the hw may need to spawn invisible fragments outside of the visible polygon. Our algorithm was culling these out so the mipamp calculation failed for edge pixels. Anyway this fixes quad rendering looking broken with the latest nvidia drivers.
2019-12-10 11:40:39 +00:00
Ian Curtis
06688de5fc
Really should cull against 5 frustum planes.
2019-11-15 20:00:25 +00:00
Ian Curtis
e1827cfd13
Stretch the time the ping_pong bit flips a bit to bump writes into correct frame. Otherwise they end up getting written at like 99.8% of the frame and overlapping with the next.
2019-11-08 20:36:11 +00:00
Ian Curtis
2e6968fe9d
Thanks to our anonymous contributor who managed to patch a model 3 game and run it on real h/w, we were able to obtain some timing values we had been long been missing for correct emulation. The h/w polls something called the ping_pong bit at start-up to sync the GPU with the CPU. Unfortunately we didn't have the correct values and just manually used some per game hacks to get games to run. This mostly worked, but some games were writing more or less frames than they should have been for a given time period. When the ping_pong bit flips at 66% of the frame time, games were writing data for a new frame, which meant writes were often straddling 2 separate frames. We aren't 100% sure if IRQ2 or the ping_pong bit is vblank.
2019-11-07 20:29:17 +00:00
Ian Curtis
06b43c45b3
Ocean hunter in the middle of the game is passing a few matrices with FLT_MAX inside them, which blows apart our near/far calculation. The hardware must have some method to sanitize the near/far for instance if you render something extremely close to the origin you will also blow apart any near/far calc.
2019-11-02 20:11:48 +00:00
Ian Curtis
714f6a123a
skip invalid culling nodes
2019-07-28 12:14:13 +00:00
Ian Curtis
17f4103123
A culling node must follow immediately after a viewport.
2019-07-26 16:39:58 +00:00
Ian Curtis
cc830003f5
Fix possible negative pointer arithmetic which was causing the music to wrap around.
2019-02-22 01:00:41 +00:00
Ian Curtis
8aa476aeeb
Previous mpeg audio code worked for me in debug mode, but the release build had some serious corruption issues when being built in visual studio. Replaced the old spaghetti code with a more modern implementation.
2019-02-21 14:56:25 +00:00
SpinDizzy
c86dab0fe9
- Disabled Alt-O (dump timings) and Alt-U (dump input state) when
...
SUPERMODEL_DEBUGGER not defined
- Option '-print-inputs' works again if no ROM set specified
2019-02-19 09:24:31 +00:00
SpinDizzy
6fe878b1d3
Restore Sega Rally 2 music in some practice stages
2019-02-07 06:32:46 +00:00
SpinDizzy
383e6ac85c
Fixed MPEG music looping glitch.
2019-02-05 10:30:50 +00:00
SpinDizzy
bb89bc8e54
Refactor code from previous svn768 (Note : break old savestate compatibility)
2019-02-05 10:03:50 +00:00
Ian Curtis
90faeafbc4
Fix the audio in sega rally2. The game has packed separate tracks into the left and right audio channels. Selecting the correct track fixes the garbled mess. (Spindizzi)
2019-02-01 21:02:02 +00:00
Ian Curtis
f634d19fdc
Fix shader. Why this worked on my nvidia card .. I'm not sure.
2019-01-24 19:11:26 +00:00
Ian Curtis
8094c2e2b7
Composite the alpha layers at the end of rendering. To do this we need to mask the alpha pixels with the opaque pixels from the next priority layer. Fixes some overlapping shadows in vf3tb that have different priority layers. I assume that was a game bug, but it works on the real h/w.
2019-01-21 14:30:42 +00:00
SpinDizzy
c171356f7d
-Added support for specifying multiple sections simultaneously in INI
...
files, e.g., [ daytona2, dayto2pe ]
-Forgetfulness in 763
2019-01-20 08:02:01 +00:00
Ian Curtis
864bb36b5a
Technically backface culling should cull polys when the dot product = 0, since when it equals 0 the polys is perpendicular to the camera and thus invisible. When you complete sega rally2 (if you can get that far lol) the champagne is invisible. The reason is because all the face normals are 0. So when multiplied by the model matrix they are still 0 and get culled. Tweaking the condition to only cull polys when greater than 0 fixes this, and allows these 'bad' polys to render as they do on the model3.
2019-01-16 01:07:56 +00:00
SpinDizzy
98106df68b
Inputs can now be configured on a per-game basis
2019-01-13 16:20:19 +00:00
SpinDizzy
b0813ef7a0
- PCI bridge can be specified in Games.xml for games that use a different version than expected based on stepping. No more hard-coded exceptions.
...
- Real3D PCI ID can be specified in Games.xml for exceptions that require it.
- Real3D status bit timing specified in Games.xml for exceptions that require it.
2019-01-13 16:00:37 +00:00
Ian Curtis
d8f736e7a8
timing fix for srally2x (Spindizzi)
2019-01-06 23:48:34 +00:00
Ian Curtis
0f49e0b1e9
remove commands that do nothing
2018-12-08 20:01:37 +00:00
Ian Curtis
08eeb20033
clear scissored out areas
2018-12-08 19:55:26 +00:00
Ian Curtis
6075352868
Optimise depth calculation for quad shader.
2018-11-27 20:43:27 +00:00
Ian Curtis
78039e91a8
2018-10-28 18:30:04 +00:00
Ian Curtis
538a714086
Fade out microtextures with higher textures LODs. Fixes incorrectly applied microtextures in LA machineguns.
2018-10-23 00:16:23 +00:00
Ian Curtis
b8da2d6064
debug code should be disabled
2018-10-22 21:59:01 +00:00
Ian Curtis
bf4d725970
Smooth texture repeat makes no sense for alpha/contour textures with pixel dilate. HW seems to treat them as non smooth anyway. Also implement some line of sight stuff, used by Scud. Really need to check the threading/synchronisation of the register reads but it basically works.
2018-10-19 20:59:46 +00:00
Ian Curtis
df02d6a753
return correct PCI ID
2018-10-18 09:42:51 +00:00
Ian Curtis
3dc69f89b8
fix debugging code
2018-10-17 22:36:33 +00:00
Ian Curtis
42eaa7f3d8
fix copy paste error :]
2018-10-14 10:05:24 +00:00
Ian Curtis
3eeec35e7c
Correctly emulate the real3d pro-1000 texture modes in our shader.
2018-10-13 13:29:45 +00:00
Ian Curtis
7bcc70a170
Update makefile
2018-10-01 17:42:45 +00:00
Ian Curtis
3dbfa73734
Both lemans24 and dirt devils are rendering some totally transparent objects as the first model in each viewport. The HW seems to skip these entirely, and including them breaks our near/far plane calculations leading to Z fighting.
2018-09-19 20:43:41 +00:00
Ian Curtis
e3255e45f3
Tweak the ratio for the near plane. Fixes missing text on the map indicator at the start of spikeout. The vertices are 0.003 units apart so a tonne of precision is required at the near plane to not depth test out.
2018-09-18 21:46:38 +00:00
Ian Curtis
c5b156d95d
remove debug code
2018-09-18 21:20:15 +00:00
Ian Curtis
5dab9910e2
avoid double matrix load
2018-09-16 08:43:13 +00:00
Ian Curtis
a7e851d578
updated command line help
2018-09-14 20:31:34 +00:00
Ian Curtis
b5f9ad9651
Quad rendering engine. Set QuadRendering = 1 in the ini file to use, or -quad-rendering at the end of the command line to use.
2018-09-13 12:50:34 +00:00
Ian Curtis
e4f5f0bcaf
Sega bass fishing is starting some off the meshes with a shared vertex. Without having a previous vertex to share with, the values were just uninitialised and junk. The hardware itself seems to hold the value from the previous mesh, and sega bass fishing relies on this undefined behaviour to function correctly. Storing the cached vertices as member variables instead of locally to the function means it holds the values from the last mesh, and uses those values instead of random garbage.
2018-09-02 21:36:24 +00:00
Ian Curtis
c1c2dedcfa
remove dead variable
2018-08-09 21:57:51 +00:00
Ian Curtis
9f5a19a04a
Use correct PCI IDs (Harry Tuttle)
2018-07-09 08:06:06 +00:00
Ian Curtis
80cf1f9b52
add crosshair effect (Harry Tuttle)
2018-07-04 22:15:44 +00:00
Ian Curtis
73ff32a10d
fix cast, and remove extra ; that had snuck into the shaders
2018-06-18 10:24:46 +00:00
Ian Curtis
f9be1259c0
Opaque polys definitely depth test with less than or equal. Virtua striker is drawing co-planar polys for the bar gfx
2018-06-17 11:30:01 +00:00
Ian Curtis
c7ffd0a808
Draw transparent polys to separate layers and composite at the end. This solves a tonne of transparency errors we had been battling with for a long time. The model3 is strange in the fact it only supports a max of two translucent overlapped polys. They are not blended into the frame normally. Doing this means the topmost translucent polys only are visible in the scene, the equivalent of doing a depth pass first, but without the added cost.
2018-06-16 21:31:29 +00:00
