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发表于 2004-6-23 16:25:18
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Release Notes
----------
Cedega 4.0
----------
Release Notes, June 22, 2004.
Overview
========
TransGaming is pleased to announce the release of the newly renamed
and much improved Cedega 4.0, giving our users access to more
Windows games in Linux, with greater ease. TransGamers can now download
Cedega in RPM, Debian and TGZ formats from the downloads section of
TransGaming's website: http://www.transgaming.com/
Cedega 4.0 represents a major advancement over our previous products.
In the technology arena this release has support for Pixel Shaders, a new
and improved ALSA sound driver, much reduced client server latency, and
greatly improved installer support. In addition, we're pleased to announce
support for DirectX 9 and several new games including: Battlefield Vietnam,
City of Heroes, Star Wars Galaxies, and Hitman: Contracts.
Enjoy!
New Features
============
Cedega 4.0
----------
* TransGamers can now enjoy playing Battlefield Vietnam,
City of Heroes, Star Wars Galaxies and Hitman: Contracts.
* First release with DirectX 9 support focusing on Direct3D 9.
Additionally, Pixel Shaders are now supported in Direct3D 9
and Direct3D 8 on graphic cards that support the OpenGL
ARB_fragment_program extension.
* A brand new ALSA backend is available which offers reduced
latency and lower CPU requirements.
* Many improvements to installers. MSI installers should now
be more reliable, more InstallShield installers will work,
and Nullsoft installers are now supported. Additionally, we
have a solution for CD switching for previously problematic
multi-CD installers. This solution will also allow you to
push the eject button on your drive and Cedega will automatically
unmount the drive for you, even if the installer has kept
files open on the CD.
* Much improved mouse support which should, among other things,
resolve the "warping" issues that some games demonstrated.
* The previously slow path for client to server communication
has been redesigned for more speed. By improving on the
previous prototype design, we have been able to get a 5 fold
speed up on certain operations. We call this functionality
Accelerated Interprocess Communication and it allows some
games such as American McGee's Alice to achieve much higher
performance.
* TransGamers with an ATI card can now enjoy an experimental
graphical acceleration feature using the Vertex Buffer
Object extension.
* Many other enhancements and bug fixes.
New Configuration Options
=========================
The following are a list of options which are new in Cedega 4.0.
Under most circumstances you will not need to use these options;
they are only provided for completeness and the inquisitive. All
options can be overridden on a per executable basis.
[x11drv] NV_VAR and ARB_VBO: These two options control what
method to use to enhance graphical speed. Prior to
Cedega 4.0, NV_VAR was always on and the only option available.
NV_VAR is only generally available on nVidia graphics cards.
ARB_VBO is what ATI users should specify.
Choosing "Y" for these options asks Cedega to attempt to use
that extension. If it is not available, the next enabled
extension will be tried. NV_VAR takes precedence over ARB_VBO,
as it is more mature in current 3D drivers. Both of these options
default to "Y".
[d3dgl] PixelShaders and PixelShadersLevel: These two options
determine if Pixel Shaders should be reported as available to
the application and, if so, what level of support Cedega
should claim. PixelShaders can have a value of "Y" or "N" and
default to "Y". PixelShadersLevel can be one of "1.0","1.1",
"1.2", or "1.3". PixelShadersLevel defaults to "1.3".
[dinput] DefaultDeadZone: This option allows you to define the
default dead zone for your joystick expressed as a number between
0 and 10000. The default is 1000 which is 10% of the range of your
joystick.
[winealsa] UseMMap: This option allows you to configure Cedega
to write directly to memory on the sound card rather than having
to use the slower route through the kernel. This can be set to either
"Y" or "N"; the default is "Y".
[winealsa] pcm0 and ctl0: These options allow you to specify what
ALSA sound devices Cedega should use. The default values are "hw" for
pcm0 and "hw" for ctl0. Appropriate selection of these options
can allow you to select a secondary sound card or a plugin. It
should be noted that most ALSA plugins seem to be quite buggy and
will not work with "UseMMap" = "Y".
[Wineserver] SHMWineserver: This option indicates if Cedega should
accelerate interprocess communication (AIC) between the client and server.
This value can be either "Y" or "N" and defaults to "Y". It can have
a very positive impact on performance for some titles, and is
generally best left on.
System Requirements
===================
Operating System
----------------
Core requirements are:
- Linux Kernel 2.2 or higher. Stock Kernels recommended over RedHat
7.x/8.x/9.x kernels. 2.6 kernels may have some scheduler issues.
- XFree86 4.0 or higher (4.2 and above recommended)
- glibc 2.2 or higher
- Working hardware accelerated OpenGL video card
CPU Type and Speed
------------------
Recommended minimum hardware is
- 500 MHz or faster Pentium or Athlon CPU
- 64MB of memory; 128 MB or higher recommended
- Several GB free hard disk space for games
- Linux-supported 3D graphics card with 16MB of video RAM is required.
nVidia GeForce-class GPU recommended. ATI Radeon 8500 or higher with
working ATI FireGL drivers should work for many (though not all) games,
but will not perform as well for the moment.
Please note: individual requirements may be higher for certain games.
Pixel Shaders
-------------
Pixel Shaders are a DirectX 8 and higher feature that are used by many
games for graphical effects. Cedega's Pixel Shaders are built on top of
the OpenGL ARB_fragment_program extension. ARB_fragment_program is
more powerful than Pixel Shaders versions 1.0-1.3, but is only
supported on a higher class of graphics card. Thus, while Pixel Shaders
are available on Windows systems starting with GeForce 3 or Radeon 8500,
ARB_fragment_program is only available starting with GeForce FX and
Radeon 9700 cards.
What this means is that a game which may have a minimum requirement
of a GeForce 3 may actually be making the assumption that Pixel Shaders
are available. In these siutations the game may not function correctly
without them. For example, Battlefield Vietnam requires Pixel Shaders
to play at higher detail levels. While a GeForce 3 is capable of
playing the game on a Windows system, a GeForce FX is required to play
the game under Linux, as only the FX series supports ARB_fragment_program
on Linux.
Copy Protection and Linux Kernel 2.6.x
--------------------------------------
Late in the development cycle of Cedega 4.0, TransGaming determined
that some users' systems may have problems running certain copy protected
games. Some Linux systems using kernel version 2.6 and higher
have the default CD readahead parameter set to 256. This can interfere
with copy protection for some titles (such as Civilization 3) when
running with an older CD-ROM or DVD drive. Systems using
the ide-scsi system with CD-RW drives should not be affected.
To check the readahead value for your CD drive, use the 'hdparm' command
while logged in as root. If the device for your drive is /dev/cdrom,
for example, execute the following at the command line:
# hdparm /dev/cdrom
If the readahead value is over 32, you may wish to reset it to 8
using the following command:
# hdparm -a 8 /dev/cdrom
Prelink and Exec-Shield
-----------------------
Prelink is a new set of functionality, available in newer glibc versions
and distributions such as Fedora Core 1, designed to reduce the startup
time for applications which use dynamic libraries. The loading speed
improvements are achieved by preassigning the addresses of various dynamic
linked libraries that will be placed in memory. Thus, relocations will not
have to be performed by the dynamic loader when loading the application.
Unfortunately, more often than not, libraries are prelinked into addresses
which are incompatible with Windows programs.
Windows programs generally use a trick, similar to Prelink, to reduce the
size of the executable and improve start times. This trick
assumes, quite rightly for a Windows program, that the address 0x400000
is always available. Thus when Cedega attempts to load the Windows
executable into the starting address, and it's not available, Cedega will
fail to start the program with an error message mentioning
"stripped relocation records" and "address 0x400000 not available".
Exec-shield is a kernel level solution
(http://people.redhat.com/mingo/exec-shield/ANNOUNCE-exec-shield)
which remaps executable code to a lower memory address with the
intention of eliminating ASCII based code overflow attacks. The
new location of the executable has the potential of conflicting
with the required windows range which will result in the same error
message as with Prelink.
The solution to the problems these two new technologies create is to
disable them so that they don't affect any Cedega libraries or executable
code.
To disable automatic prelinking in the future, edit /etc/sysconfig/prelink
and set PRELINKING to no by making sure the following line is present:
PRELINKING=no
Then execute the cron job, most likely /etc/cron.daily/prelink, to
reverse the Prelink for all of your libraries or manually run:
$ prelink -ua
To disable exec-shield you can either use the boot time option
"exec-shield=0" or it may be changed, before running Cedega, by typing
either:
$ echo 0 > /proc/sys/kernel/exec-shield
or
$ sysctl -w kernel.exec-shield=0
New CD Ejection system
======================
In the past, games that came on multiple CD-ROMs posed a problem for
Cedega users, since the Linux OS would 'lock' the CD-ROM tray in some
cases, preventing users from ejecting a disk and inserting the
next disk.
Cedega 4.0 includes a new feature that eliminates this problem in
many cases. Simply press the eject button on your CD-ROM drive,
wait a few seconds (ejecting may take as long as 10 seconds), and
the disk will be automatically ejected. Insert your new disk,
perform any mounting step required by your Linux distribution, and
you should be able to simply continue your install.
Use of the drive eject button to activate this feature is only
available with recent model CD-RW and DVD drives. Users of older
CD-ROM drives may need to use the Point2Play 'Unmount' button
instead, or send a SIGUSR2 signal to the wineserver process at
the command line using a command such as:
$ killall -USR2 wineserver
In all other respects, using the Point2Play unmount feature should
act the same as hitting the drive's eject button. If you have
other Wine based software running, such as CodeWeavers CrossOver
Office product, you may wish to avoid the use of the unmount
button or the killall command mentioned above, as they will cause
any non Cedega 4.0 based Wine process to halt.
Some installers may require you to re-insert the first CD-ROM to
complete your install. Depending on the title, this may not
yet work successfully.
Please contact TransGaming support if you have any issues relating
to CD-ROM eject support, so that we can continue to improve this
feature.
Known Issues and Comments
=========================
ATI FireGL drivers
------------------
TransGaming has seen some instability with ATI cards using FireGL
and/or DRI running Cedega. Games of note with issues are Battlefield
1942, Grand Theft Auto - Vice City and Sacrifice. TransGaming is
continuing to improve support and we welcome all reports and your
votes in the polls.
ATI cards and VBO
-----------------
The graphical acceleration included in Cedega 4.0 is of a slightly
experimental nature. While it should work for most games, there are
still a number of titles which seem to exhibit problems. For these
titles you can simply disable the VBO option.
HTML display of license agreements in on-line games
---------------------------------------------------
Cedega 4.0 may not support the display of HTML content in some
on-line games. As a result, any license agreements displayed by
these games may not be readable while running with Cedega.
TransGaming Technologies Inc. will not be held liable for any
failure or breach on your part of any 3rd party license agreement.
YOU ARE SOLELY RESPONSIBLE FOR ENSURING THAT YOU HAVE READ AND WILL
ABIDE BY ANY THIRD PARTY LICENSE AGREEMENTS, REGARDLESS OF THE
ABILITY OF THE CEDEGA SOFTWARE TO DISPLAY SUCH LICENSE AGREEMENTS
ON A LINUX SYSTEM.
Baldur's Gate 2
---------------
* The "Software Mirror BLT" option under the "2D 16 bit Color Depth"
should be enabled if the character sprites appear garbled.
* During the opening scene in the dungeon, occasionally the game will
not advance after the sewer gollum has talked. Simply restart.
Battlefield 1942
----------------
* The game must be patched to at least version 1.3 in order to fix problems
that will prevent it from starting the game engine properly.
* The [d3dgl] 'ClipSpaceFix' option no longer needs to be disabled.
This has been left off by default in the config file for backwards compatibility.
* We recommend the use of 22 kHz sound for best performance, especially with
the movies and cutscenes. 44 kHz sound is known to cause performance degradation.
* Use of 24-bit color is recommended if shadow effects are enabled.
* The animated background of the main menu does not work.
* Using Punkbuster enabled servers may cause problems.
* With AIC on 2.6 kernels the intro movies can suffer from stutter.
Battlefield Vietnam
-------------------
* The game requires the availablity of pixel shaders. If you do not have
a card which supports ARB_fragement_program in OpenGL, you will have
graphics problems if you go higher than low detail video. A GeForce FX
series card is recommended for this game.
* The animated background of the main menu does not work.
* Using Punkbuster enabled servers may cause problems.
* With AIC on 2.6 kernels the intro movies can suffer from stutter.
* This title will crash on exit.
Bink Movies
-----------
* A number of titles use Bink to play their movies and cut scenes.
In some cases, when AIC is enabled, movie display may be choppy due
to Linux scheduler limitations. To work around this, turn Accelerated
Interprocess Communication off or skip the movies. TransGaming expects
to have a workaround for this in future releases.
Black & White
-------------
* Playing in low texture mode will lead to crashing. You may not
be able to get back to the configuration screen to return to
normal detail.
Call of Duty
------------
* Copy protection for this title does not presently work.
* The installer for this game will fail when trying to switch back to the
first CD-ROM from the second CD-ROM. To work around this problem
select cancel when it asks for the second CD-ROM and say NO to the
question concerning reversing the changes. Once stopped, insert and
mount the second cd and copy the files in Setup/Data/Main to the main
directory inside the installed Call of Duty. Additionally some registry
entries will not be automatically added. If you wish to play multiplayer,
you will need to add the following to your system.reg file in order
to be able to upgrade your version:
[SOFTWARE\\Activision\\Call of Duty]
"InstallDrive"="D:"
"InstallPath"="C:\\Program Files\\Call Of Duty"
"Language"="1"
"Version"="1.1"
* The game may hang upon quitting.
City of Heroes
--------------
* Mouse clicks do not always register when attempting to bring up menus etc.
* To receive a proper cursor in City of Heroes you must have XFree 4.3 installed
and run in win2k mode (default).
With versions of X prior to 4.3 a large black box will surround the cursor.
* HTML does not render thus the EULA is not visible. See the specific section
about HTML above.
* Pop up dialogue boxes in the installer appear behind the main window. It is
recommended that you install in desktop mode.
* The installer may crash at the end. It will not affect game play.
* nVidia users may find that the patcher crashes when finished. Simply try to
enter the game again.
Civilization III
----------------
* There are several sound problems with this application.
* Occasionally the game will crash when building the first city.
* Earlier patch levels will not pass copyprotection. v1.29f is
recommended.
* The game will crash if sound is being used by another device.
Command and Conquer: Generals
-----------------------------
* Copy protection for this title does not presently work.
* Game play may be slow in 16 bit, 24 bit is recommended.
Counter Strike: Condition Zero
------------------------------
* Pushing the tab key may crash the game in single player mode.
Dark Age of Camelot
-------------------
* Users whose graphics cards only have 2 texture units (GF2MX,GF2 & GF4MX)
will notice graphical incorrectness such as a non-textured floor.
* The sound in the installer and login screens is not good.
Dungeon Siege
-------------
* The sound in the installer may be incorrect.
* On non-NPTL systems, DS will lock up as soon as you move the mouse
when using nVidia 4496 and later drivers. Downgrading drivers is the
only reliable way to solve this problem.
* More recent drivers have fixed this problem on NPTL systems.
* Even with older nVidia drivers, this game may not work on some systems.
* Some setups may experience deadlocks before the main menu. Running with
any debug channels on generally works as a remedy.
* The water does not flow in the game.
* Multiplayer support is not yet available due to the use of
DirectPlay 8 in the game.
Far Cry
-------
* Copy protection is not supported for this title.
* Movies play with incorrect aspect ratio.
* Main menu background movie is slow, we suggest disabling it in options.
* Terrain and water render incorrectly without pixel shaders.
* Water renders incorrectly with pixel shaders.
* Higher detail levels are incorrect.
* Users may experience a significant reduction in performance.
* Running in OpenGL mode is recommended. To run in OpenGL mode, change
system.cfg as follows:
r_Driver = "OpenGL", r_TexResolution = "0", i_direct_input = "0"
Then in your Cedega config, set AGPVertexRam to 0. You must run the
game at the same resolution as your desktop.
Grand Theft Auto 3
------------------
* The opening videos for Grand Theft Auto 3 work quite slowly under
Cedega. The movies may be skipped by pressing the space bar twice.
* Users playing this game with a 2.6 kernel may notice significant
pauses while playing this game. Disable the Accelerated
Interprocess Communication to reduce the number of pauses received.
Downgrade to a 2.4 kernel to remove the issue.
Grand Theft Auto Vice City
--------------------------
* Occasionally textures may display incorrectly.
* The opening videos for Grand Theft Auto Vice City work quite slowly under
Cedega. The movies may be skipped by pressing the space bar twice.
* Users playing this game with a 2.6 kernel may notice significant
pauses while playing this game. Disable the Accelerated
Interprocess Communication to reduce the number of pauses received.
Downgrade to a 2.4 kernel to remove the issue.
Hitman: Contracts
-----------------
* Using alt-tab in game will cause a crash.
* The movies do not resize correctly. As a concequence the game will
not start if in 640x480 mode and cut scenes may leave artifacts around
the edge.
Homeworld 2
-----------
* The game may not work unless patched to at least version 1.1.
* Multiplayer support is not yet available due to the use of
DirectPlay 8 in the game.
Max Payne 2
-----------
* Pixel Shaders do not work for this title, they are disabled by default.
Medal Of Honor: Allied Assault
------------------------------
* A defect in the game software, which should be fixed in the latest
Spearhead expansion patch, causes the game to crash under Cedega. The
Cedega team has provided a workaround. Both Point2Play and the cedega
start script are set up so that this game will work out of the box.
Medal Of Honor: Allied Assault Spearhead and Breakthrough
---------------------------------------------------------
* Copyprotection for these titles do not presently work.
Morrowind: Elder Scrolls III
----------------------------
* The intro videos can freeze if they fall behind the play frame
rate due to a coding problem with the application.
* The game will crash if sound is being used by another device.
Need For Speed: Underground
---------------------------
* The installer presently does not work due to its use of flash.
One can work around this by killing the EReg.exe process when
the installation appears to hang. Additionally you need to use
the --use-dos-cwd option pointing to your CD-ROM drive.
* Copyprotection for this title does not presently work.
* The auto patcher for earlier versions of this title will not work
and you will have to manually download and patch.
* To play multiplayer online, you will need to manually register the
game on EA's website.
* Pixel Shaders are not supported in this game due to assumptions on
the availablility of non power of two textures. They are disabled by
default.
* Car reflection update rate need to be set to the lowest setting to
play this title. Raising this value will cause the game to crash.
SimCity 4
---------
* To install the game, you must insert and mount the CD-ROM, and
use the following command line:
$ cedega -use-dos-cwd f:/ -- f:/autorun.exe
In Point2Play use the Run Directory check box
If the installer asks you to install a new version of DCOM, say "no".
* The game has small graphical glitches when scrolling with the
hardware renderer. Use of the software renderer is recommended and
is automatic as of WineX 3.2.
* Use of the "?" to get information can cause graphical corruption.
Scrolling the window will clear this up.
Star Wars Galaxies
------------------
* HTML does not render thus the EULA is not visible. See the specific section
about HTML above.
* Desktop icons created for launching may not be correct if using the command
line.
Star Wars: Knights of the Old Republic
--------------------------------------
* The game will crash on exit.
* The online patcher does not fully work. Follow the patcher instructions
for downloading the manual patch.
* Unless upgraded to at least 1.03 you may experience double cursors.
* The game may not go fullscreen automatically unless upgraded to 1.03.
* The mouse will not be usable unless you disable "Hardware Mouse"
from the launcher configure screen.
Steam
-----
* Window manager decorations are visible in several managers when they
should not be.
Warcraft III The Frozen Throne
------------------------------
* The desktop icon (shortcut) for Warcraft III will not function correctly
if installed with WineX 3.1, or earlier, due to the way the previous
WineX versions changed the command line. Either edit the shortcut to start
"Warcraft III.exe", rather than "War3.exe", add the -classic parameter,
or reinstall both Warcraft III and Frozen Throne.
World of WarCraft
-----------------
* The World of WarCraft downloader, powered by bittorrent, is not
currently supported in Cedega.
* The beta version of this game has been tested and is fully working
up to the 06/15/04 patch. As this title is still in beta future
changes may break Cedega compatibility.
Let the Games Begin
------------------------------------------------------------------------------
This document is Copyright(c) 2002-2004, TransGaming Technologies Inc.
Redistribution is permitted for non-commercial use only. |
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