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cgxv41_r66
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changes.txt
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1997-06-06
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Update revision history for archive rev 66
cgxsystem.library
=================
Changes for 41.9 (r66 archive)
- fixed a bug in the WriteLUTPixelArray()/cybergraphics call
Changes for 41.8 (r65 archive)
- added new LVO to cybergraphics.library to write chunky pixel arrays with custom
colormaps to truecolour screens
- new LVO added to cgxsystem.library to give applications access to the list of
installed graphics devices
- if a OpenScreenTags()/intuition tag SA_ColorMapEntries is detected with
a data value greater 256 it is limited to 256. This fixes some problems with
truecolour screens in conjunction with certain applications (e.g. gmultiview)
that are always trying to get 1<<depth entries.
- BltBitmap()/graphics calls with mask=0x00 are never passed to the gfx
card drivers anymore.
- You can now click "through" transparent regions of a layer
- Fixed a bug in the HideWindow()/cgxsystem.library call
- If SUPERLAYERS is activated can be checked by searching for the public
semaphore "SLayerSemaphore" now
Changes for 41.7 (r64 archive)
- new LVOs added to cgxsystem.library to allow for easy support of window
iconification. Windows can be hidden by a simple call now (SUPERLAYERS only)
- added new LVOs to cgxsystem.library to let applications support transparent
regions inside layers (SUPERLAYERS only)
- DoCDrawMethodTagList()/cybergraphics did not work at all actually because
the supplied hook was never called. Fixed.
- mouse pointer hotspot changes due to modification of the HIRESCRSR env
variable take now effect immediately.
- all aga sprite resolution related mouse pointer hotspot problems should
be fixed now (e.g. PageStream3/Iconian cross hair)
- CModeRequestTagList()/cybergraphics.library now correctly returns a 0
instead of -1L/INVALID_ID if the mode requester is canceled
- fixed a serious problem with screen dragging in conjunction with updating of
next screens. If the front screen was dragged down while there was something
updated in the background the system could crash.
- blitting of LUT8 format src bitmaps to rgb destinations maps crashed
immediately. Fixed.
- BestCModeIDTagList()/cybergraphics now always returns the displayid of the
first graphics board available of that kind if the CYBRBIDTG_MonitorID tag
is specified. If multiple boards of the same kind were installed, it always
returned the last board available in most cases before.
Changes for 41.6 (r63 archive)
- SUPERLAYERS could return 0 with some NO-OP layer operations. Now intuition
requesters should work properly.
- Layer damage code in SUPERLAYERS ScrollRaster patch rewritten
Now every exotic situations should be handled properly.
- Discovered that some code "out there" relies on a private field in
layer structure, which was changed with SUPERLAYERS. The old field
is now supported and this causes for example MUI complex
virtual groups to scroll more smoothly.
- ScalePixelArray()/cybergraphics now uses the blitter for line replication
in source mode RECTFMT_LUT8 and RECTFMT_ARGB whenever possible.
- fixed a bug in DoCDrawMethodTagList()/cybergraphics. The supplied hook was
always called with the parampacket and the object swapped.
Changes for 41.5 (r62 archive)
- fixed a memory leak problem in the color extraction code for
Flood()/graphics operations. A certain buffer was not freed.
- extracting certain pens on planar rastports didn't work at all for
Flood()/graphics operations. Now fixed.
cgxvideo.library
================
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 41.6 (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 2.4 (r64 archive)
- modified driver startup code, needs at least cgxsystem.library 41.7
now
- Fixed a serious bug in the startup code which could have caused various
trouble in certain situations at driver startup
Changes for 2.3 (r60 archive)
- DPMS support code now sets HSYNC/VSYNC to logic 0 instead of logic
1
- fixed a small problem that the colors were not changed when a
nextscreen was activated. (Introduced due to changes in 2.2/r59)
Changes for 2.2 (r59 archive)
- The code to display interlace views was partly wrong since the very
beginning of this driver (even for v2).
It quite often worked for 8bit views but it most often failed for
16/24bit displays. This should be fixed now.
- added support for cybergraphics.library v2 style DPMS PowerManagement
again
- modified some lvo's to support modified color setting functions in
cgxsystem.library
CV3D driver
===========
Changes for 2.9 (r65 archive)
- optimized size of Z2 driver
- blits with mask=0 are now handled correctly. This solves some problems with
certain mui application that use certain ScrollRaster()/graphics tricks.
- Offset bug in the line drawing code fixed.
- Fixed a offset bug in the triangle areafill code.
Changes for 2.8 (r64 archive)
- Fixed a serious bug in the startup code which could have caused various
trouble in certain situations at driver startup
- modified driver startup code, needs at least cgxsystem.library 41.7
now
Changes for 2.7 (r63 archive)
- multiple CV64/3D boards now correctly get a different basename.
All boards following the first one will get the board number added
to the screen mode base name (CV64/3D.2: xBit .. etc.)
Changes for 2.6 (r62 archive)
- Z2 pointer image bug fixed. (introduced with r60)
Changes for 2.5 (r61 archive)
- added tooltype "SCROLLMASK=(YES|NO) which disables/enables
masking when scrolling/moving rectangles with a mask 256 colour
modes (e.g. scrolling text in shell windows).
If you disable masking by specifying "NO", scrolling of e.g. shell text
gets faster in 256 colours, you get some text crsr refresh problems with
e.g. CygnusED though.
Default setting for the SCROLLMASK option is "YES".
ADDITIONAL NOTE: NEVER rename the CVision3D.info file. The tooltype
parsing does not work if it has a different name.
- added some special code for 24bit resolutions greater/equal 1024 pixel
width. It now uses the blitter for rectfills and moving rectangles in
these modes
Changes for 2.4 (r60 archive)
- Changed maximum raster size to 2048x1536 to allow definition of
1024x768 24bit views. It is not recommended to use a pixelwidth
of 1024 in these modes though, because the blitter only works in
resolutions up to 1016 pixel width in 24bit modes. Define a 1016
pixel width viewmode instead.
- modified hardware crsr code to allow a max resolution of 1024x768
24bit resolution with 3MB video ram even.
- DPMS support code now sets HSYNC/VSYNC to logic 0 instead of logic
1
Changes for 2.3 (r59 archive)
- The code to display interlace views was partly wrong since the very
beginning of this v3 driver.
It quite often worked for 8bit views but it most often failed for
16/24bit displays. This should be fixed now.
- added support for cybergraphics.library v2 style DPMS PowerManagement
again
- modified some lvo's to support modified color setting functions in
cgxsystem.library
Changes for 2.2 (r58 archive)
- fixed some problems with wrong mouse pointer colours when overlay is
enabled.
Cirrus Logic drivers
====================
Cirrus 2.1
- initial release
CGXMode
=======
Changes for 2.3 (r66 archive)
- added Inferno graphics card for DKB Wildfire to list of supported card.
Changes for 2.1 (r55 archive)
- added cgxmode.ct and cgxmode.cd to distribution for people who want to do their
own locale translations
- the "modes are gone after reboot problem" is hopefully gone now
- the hidden status of modes is now displayed in the info box in the main window
- default name for PicassoII card is now "PicassoII" instead of "Picasso"
- changed test image design on test screen
Tools
=====
Changes for showcgxconfig 41.0
- Initial release. Tool to list all available graphics devices installed.
Needs at least cgxsystem.library 41.8