Commit Graph

31 Commits

Author SHA1 Message Date
Volker Ruppert
431e9671a6 Code cleanup: removed unused definitions, functions and statistics code not
required for the emulation.
2017-05-21 18:30:25 +00:00
Volker Ruppert
c160fd4830 Bochs thread handling improvements:
- Modified win32 thread macros to use the handle instead of the id.
- Added new macro BX_THREAD_KILL to terminate threads.
Voodoo thread changes:
- Let the cmdfifo_thread sleep while the CMDFIFO is disabled.
- Kill the cmdfifo_thread in destructor and removed old thread control code.
2017-05-18 18:34:00 +00:00
Volker Ruppert
495a8afeac Voodoo2 bitBLT: optimized SGRAM fill code a little bit. 2017-05-17 21:21:53 +00:00
Volker Ruppert
9912c99fd2 Continued work on Voodoo2 support (some demos now working).
- Added capability to save/restore float type values in paramtree / siminterface.
- Added Voodoo2 triangle generator data to save/restore list.
- Implemented bitBLT function "SGRAM fill".
- Minor other changes and cleanups.
- TODO: remaining bitBLT functions, thread handling improvements.
2017-05-16 20:37:01 +00:00
Volker Ruppert
9a705a3369 Fixed Voodoo2 CMDFIFO write handling (check address range first). 2017-05-15 20:55:49 +00:00
Volker Ruppert
da489b91ce Implemented CMDFIFO type 3 data support using some pieces of code from file
voodoo.h.txt which was a part of the original voodoo patch for DOSBox.
Some Voodoo2 specific parts were not integrated in the main patch file. I guess
they have been removed since Voodoo2 support was incomplete (2D stuff missing).
TODO: Voodoo2 2D support (bitblt engine), more testing, code cleanup...
2017-05-15 19:15:55 +00:00
Volker Ruppert
6265976a2c Some work on the Voodoo2 CMDFIFO support.
- Added CMDFIFO thread similar to the sound output thread.
- split register write function in 2 functions: register_w_common() handles
  the CMDFIFO writes and valid registers in CMDFIFO mode. It forwards write
  accesses to other registers to register_w() (Voodoo1 and non-CMDFIFO mode).
  The CMDFIFO thread also calls register_w() when processing data.
- The CMDFIFO thread processes all data, but it does not yet execute type 3
  requests (extended triangle generator missing).
- TODO #1: implement Voodoo2 specific triangle functions (for CMDFIFO).
- TODO #2: implement 2D bitblt engine.
2017-05-14 15:53:29 +00:00
Volker Ruppert
19f6cbc519 Continued preparing Voodoo2 CMDFIFO support.
- Zero out voodoo device state in init().
- Added the CMDFIFO state to save/restore list.
- Added CMDFIFO register handling in read/write functions.
- Added new function cmdfifo_put().
- TODO: CMDFIFO thread.
2017-05-13 11:52:49 +00:00
Volker Ruppert
a575b4aa2f Some work on the Voodoo2 CMDFIFO code.
- Fixed normal register access in CMDFIFO mode.
- Implemented cmdFifoBaseAddr register behaviour.
- Write CMDFIFO data to FBI memory (has no effect yet).
- Changed some log messages to BX_DEBUG.
- Report unimplemented Voodoo2 registers.
- TODO: Add FIFO thread to process the CMDFIFO data.
2017-05-09 19:18:58 +00:00
Volker Ruppert
78ff38fcf3 Fixed check for unimplemented CMDFIFO and return for now if write would be
valid. The hRetrace value can be set now, since Bochs no longer crashes.
TODO: Implement enough of the FIFO stuff to make the Win9x driver for the
Voodoo2 work.
2017-05-06 10:07:28 +00:00
Volker Ruppert
73c914a7f6 - Some work on the Voodoo Graphics emulation (Voodoo2 specific)
- prepared hRetrace value implementation (cannot be enabled yet, since the
    driver passes this test and gets confused in next stage (segfault).
  - Detect CMDFIFO access (not present yet).
  - Report disabling Voodoo graphics mode.
  - TODO #1: Fix Voodoo2 to make it usable.
  - TODO #2: Split update code and drive gui screen updates from the VGA timer
    (finally remove new realtime option again).
2017-05-01 09:11:12 +00:00
Volker Ruppert
904984e795 Voodoo code cleanup (removed unused / disabled stuff). 2017-04-29 22:19:29 +00:00
Volker Ruppert
a7529c1e75 - Some work on the Voodoo Graphics emulation
- Since we are using the virtual timer, so we have to read time_usec()
    from it, too (TODO: realtime mode is hardcoded, maybe add an option).
  - Voodoo1 and Voodoo2 have different timing register widths.
  - Fixed vertical retrace value returned by get_retrace().
  - Prepared separate hvRetrace register (TODO: hRetrace).
2017-04-29 10:25:57 +00:00
Volker Ruppert
dfae4b45de Voodoo vertical retrace fixes
- vertical retrace bit in status register must be inverted
- implemented registers vRetrace and hvRetrace (vSyncOff only)
2014-01-15 17:29:28 +00:00
Volker Ruppert
fc5c22d78f Implemented more accurate screen update timing calculation using the RAMDAC
video clock. Removed dependencies to the cpu / memory clock.
2014-01-07 22:32:22 +00:00
Volker Ruppert
0b43928f6a Fixed possible segfault caused by Voodoo2 control panel applet.
Added some reserved register names for debug output and minor code cleanup.
2014-01-05 14:01:10 +00:00
Volker Ruppert
2a8a45748f Some fixes for the Voodoo emulation (Voodoo2 still not usable in Win95)
- fixed clock values (assigned to wrong model)
- LFB read/write: don't limit y values to 1023 (4MB now usable this way)
- additional Voodoo2 fbiInit* register writes now handled like the Voodoo1 ones
2014-01-03 16:42:31 +00:00
Volker Ruppert
7173b6ee0f Some work on the Voodoo emulation
- fixed behaviour of the initEnable register
- fixed some uninitialized variables
- some other small fixes and cleanups
2014-01-02 22:34:01 +00:00
Volker Ruppert
2aa810012a Some work on the Voodoo Graphics emulation (Voodoo2 still not detected)
- assign the correct register access map for the Voodoo2 model
- improved debug and error message output
- minor coding style changes
2013-12-23 21:58:29 +00:00
Volker Ruppert
ef7e02c12c Added bochsrc option for the Voodoo Graphics emulation. Some code for Voodoo2
model exists, but needs to be verified.
2013-12-22 19:50:29 +00:00
Volker Ruppert
9011005580 fixed some MSVC warnings in the iodev code (vgacore, voodoo, vpc-img, vvfat)
TODO: fix MSVC warnings in the voodoo rasterizer code
2012-11-01 15:43:12 +00:00
Volker Ruppert
26659d5667 - some more work on save/restore support (now almost usable)
- TODO: add graphics snapshot support
2012-10-12 15:14:30 +00:00
Volker Ruppert
a0852c83b9 - continued work on save/restore support (still incomplete) 2012-10-03 08:12:35 +00:00
Volker Ruppert
54063b3e0b - skip screen update if video is unchanged
- some work on save/restore support (not yet complete)
- changed some variable types to bx_bool
2012-10-01 17:02:18 +00:00
Stanislav Shwartsman
e3c5f9027d exclude code based on uninitialized variables used only for DEBUG 2012-10-01 09:50:33 +00:00
Volker Ruppert
74dc4fc37a - replaced empty LOG_VOODOO function by BX_DEBUG 2012-09-30 10:33:51 +00:00
Stanislav Shwartsman
fe327394c7 fix gcc 4.7 warnings in voodoo code 2012-09-22 19:59:40 +00:00
Volker Ruppert
54a637a431 - indent changes 2012-09-16 10:59:15 +00:00
Volker Ruppert
35f97235ed - fixed compilation error in MinGW/MSYS and some warnings 2012-09-16 07:52:55 +00:00
Stanislav Shwartsman
4eaa72a32f small coding style changes + warning fixes in voodoo code 2012-09-15 09:47:31 +00:00
Volker Ruppert
5f5d8e2c33 Applied initial version of the 3dfx Voodoo Graphics emulation. The Voodoo core
is based on a patch originally designed for DOSBox. Currently only the Voodoo1
adapter model can be emulation. The emulation is currently slow, but we intend
to clean up and optimize the code. Running the 3D engine in a separate thread
is also planned. To compile with Voodoo support the configure option
"--enable-voodoo" must be used. Then the device can be activated with
"plugin_ctrl: voodoo=1" in bochsrc or on the command line. The device will be
assigned automatically to a PCI slot unless you do that manually. A specific bochsrc
option to select the adapter model will be added when the code has support for it.
2012-09-14 21:50:50 +00:00