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changes.txt
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1999-10-04
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revision history for archive rev 70
cgxsystem.library
=================
Changes for 41.19 (r70a archive)
- added support for boundary aligned CyberGraphX bitmaps (e.g. required by
Fusion)
- added new feature. If the mode you selected in ScreenMode prefs is not
available when the Workbench screen is opened, CyberGraphX tries to
find a replacement mode. If wb width and height were set to default
mode dimensions, it uses a width of 640 and height of 480 by default.
- fixed a bug in the BltBitmap()/graphics minterm 0xc0 planar->planar
code introduced in 41.18. blits with a width less than 32 did not work
when both source and dest x were on a 32 pixel boundary
- added coordinate sanity checks to CyberGraphX's graphics.library/Draw()
function since programs like VisualPrefs seem to call it with invalid
(negative) coordinates which caused memory havoc in certain cases.
ADDITIONAL NOTE: Some people reported that increasing stack size of the
initial shell fixes certain boot problems. Try to add a stack command
in the startup-sequence to check if it fixes anything.
Also, there seems to be mount related problem with certain drivers that
causes some systems to halt at boot time.
The c:mount command does enforcer hits when there is no tooltype set
for .info files in devs:dosdrivers. Unfortunately this can lead to a
total system deadlock in certain cases. The AHI audio driver for example
does not have ACTIVATE=(0|1) in its .info file and mounting it causes hits
in most cases.
Please fix it and check if booting the system works again without problems
in case of any trouble.
Changes for 41.18 (r70/PPC-CD archive)
- minor changes for the CGX AGA release
Changes for 41.17 (r69f archive)
- fixed a long outstanding bug in the display mode installation code for
OS 3.1. This bug could lead to loss of AGA/ECS mode monitor IDs when
multiple graphics cards were installed in the system.
- cgxsystem.library.ppc now falls back into 040/060 mode if ppc.library
can not be found.
- FillPixelArray()/cybergraphics does not trash register D2 anymore when
rendering to a non layered rastport
ADDITIONAL NOTE: If you experience any problems with cgxsystem.library.ppc
please try the .040 version first to check if it solves your trouble
before reporting any bugs.
Changes for 41.16 (r69e archive)
- changed behaviour of custom bitmap support code for OpenScreenTagList()/
intuition introduced in 41.15. This should fix some problems with programs
like Resource or CyberView which pass a custom bitmap to OpenScreenTagList()
- added CyberGraphX support for AllocScreenBuffer()/ChangeScreenBuffer()/
FreeScreenBuffer() intuition calls
- GetBitMapAttr(bm,BMA_FLAGS)/graphics now sets the BMF_DISPLAYABLE flag
for CyberGraphX displayable bitmaps
- fixed some problems in DrawEllipse()/graphics with overlapping pixels in
complement drawing mode
- OpenScreenTagList()/intuition cleared the SA_ErrorCode long field in some
cases although the screen was not opened properly. (-> e.g. CygnusED's
Spawn new CED option never opened a new screen but a window because it
always got an errorcode of 0)
- OpenScreenTagList()/intuition now uses the width/height parameters of the
NewScreen structure instead of ignoring it and using the default dimensions.
- The mouse pointer should not jump around anymore if someone tries to drag a
non draggable screen (if driver has dragging disabled). Fix requires latest
drivers also
- fixed an enforcer hit problem that occured in conjunction with the SysLock
utility
Changes for 41.15 (r69d archive)
- hopefully fixes the crash problems introduced in r69c
- removed some debug output in the DoCDrawMethodTags()/cybergraphics call
which was in r69c/41.14
Changes for 41.14 (r69c archive)
- There is now a special ppc version of cgxsystem.library included. Please use
that if you have a ppc accelerator card.
- flood fill algorithm replaced by a faster version which leads to faster icon
redrawing in certain cases
cgxvideo.library
================
Changes for 41.10 (r69 archive)
- removed all CVision3D hardware dependencies. Instead it uses a generic CGX3
driver VStream API now. Make sure you have the latest drivers installed when
you use this library.
- added support for GIMMEZEROZERO windows
Changes for 41.8 (r67 archive)
- minor internal changes
Changes for 41.7 (r64 archive)
- added new source types SRCFMT_RGB15 and SRCFMT_RGB16 to allow for rgb
color space overlays
Changes for 41.6 (r63 archive)
- added new tag VOA_UseBackFill to allow for automatic backfill of simple
refresh layers when the color keying option is used.
Changes for 41.5 (r58 archive)
- cgxvideo.library does not allow to create overlay on interlace screens
anymore
- Fixed problem with wrong mousepointer colours when overlay was enabled.
This fix requires at least CVision3D driver V2.2
- fixed a bug with 15/16/24 bit opaque overlays
- added color keying support.
- New tag VOA_UseColorKey for CreateVLayerHandleTags() call added
- New tags VOA_ColorKeyPen and VOA_ColorKey for GetVLayerAttr() call
added
cgxbootpic.library
================
Changes for 41.7 (r69 archive)
- fixed a mismatched free mem size in image decoder
Changes for 41.6 (r58 archive)
- library now correctly supports library expunge which safes some memory
after system boot.
Changes for 41.5 (r56 archive)
- initial public release
CV64 driver
===========
Changes for 2.10 (r70a archive)
- The driver added an additional, faulty screenmode to the mode list in some
weird cases. Now fixed
- Fixed an illegal memory access in the acceleration code for patterned mask
fills (e.g. used by colorwheel gadget)
- If the BOOTLOGO is enabled the driver now automatically switches to Amiga
video again after the logo is displayed for 8 seconds (requires that CV64
VGA input is connected to amiga video output of course). You had to use
LAMIGA-m after 8 seconds manually before to switch to the amiga video.
- added support for boundary aligned video maps in DRAGGING=OFF mode
(e.g. required by Fusion). Requires at least cgxsystem.library 41.19
Changes for 2.9 (r69f archive)
- modified MOVE16 bitmap swap in/out code to workaround a bug in certain
040 accelerator cards.
- fixed a potential race condition when an interrupt occured, the int handler
was already installed but the hardware was not initialized completely.
- (YES|NO) is also accepted for the BOOTLOGO tooltype now instead of (1|0)
- reenabled roxxler support. There is now an additional tooltype
USEROXXLER=(YES|NO) to disable roxxler manually. Default is enabled.
Changes for 2.8 (r69e archive)
- added os3 style doublebuffer support. Only works with dragging disabled
(tooltype DRAGGING=NO), otherwise any attempt to allocate a dbufinfo will
fail. Requires at least cgxsystem.library 41.16
Changes for 2.7 (r69c archive)
- the driver does not crash with divide by zero anymore at startup if modes
with pixelfrequencies less than 12.5 mhz or higher than 135mhz are loaded
Changes for 2.6 (r69 archive)
- added bitblit acceleration for some occasionally used minterms
- added 2 new driver calls
- fixed a problem in the bitmap swap code for interleaved bitmaps <= 16 cols
- the memory management code now uses a first in/first out mechanism for
bitmaps
- fixed a bug in the memory management code that only occured while mungwall
was running
- driver recompiled with SAS/C 6.58 and global optimizer enabled
- modified init code to workaround a bug of certain boards (int level is set
to 6 although it is programmed to 2 which could lead to lockups at startup).
- fixed a bug in patterned masked fill acceleration code for rgb screens
that was introduced in 2.5 (fixes a problem with colorwheel on rgb screens)
CV3D driver
===========
Changes for 2.16 (r70a archive)
- The driver added an additional, faulty screenmode to the mode list in some
weird cases. Now fixed
- If the BOOTLOGO is enabled the driver now automatically switches to Amiga
video again after the logo is displayed for 8 seconds (of course requires
cv3d scandoubler output). You had to use LAMIGA-m after