Opened 14 years ago

Closed 14 years ago

Last modified 5 months ago

#2240 closed defect (invalid)

ALL:Screen not redrawing in 32 bit colour mode under Windows

Reported by: SF/captainwibble Owned by: Kirben
Priority: normal Component: Port: Win32
Keywords: Cc:
Game:

Description

Version 0.7.1

I've noticed a couple of posts on the forum complaining
about "hangs". I've seen the problem on my work's
machine (Windows 2000, Intel 82845G/DL/GE/PE/CV
graphics controller) running ScummVM in a window. It is
not a hang, just a redraw problem.

If my display is set to 32 bit, then the screen doesn't
redraw at all. A redraw can be forced by holding down
shift and escape (bringing up the start menu
continuously and forcing a redraw). Clicking anywhere
on the game menu selection screen causes ScummVM
to exit immediately. If it is manually configured via
the .INI file, the games can be started via the keyboard
and are playable (provided that you keep holding down
shift and escape). Everything works fine in 16 bit colour
mode.

I've done some minimal debugging on this, however I
have found nothing conclusive. loadGFXMode calls
SDL_SetVideoMode to request a 16 bit graphics mode.
SDL_SetVideoMode reports that a 32 bit colour mode
was available. Something somewhere isn't dropping the
colour depth down. The redraw loop runs OK and the
directX blit within SDL doesn't return an error. The
update rectangles look reasonable.

Ticket imported from: #1323727. Ticket imported from: bugs/2240.

Change History (5)

comment:1 Changed 14 years ago by SF/captainwibble

I meant control and escape...

comment:2 Changed 14 years ago by SF/captainwibble

Summary: Screen not redrawing in 32 bit colour mode under WindowsALL:Screen not redrawing in 32 bit colour mode under Windows

comment:3 Changed 14 years ago by Kirben

Owner: set to Kirben
Resolution: invalid
Status: newclosed

comment:4 Changed 14 years ago by Kirben

Not a ScummVM issue, as I always run ScummVM on a
32bit color desktop on Windows XP without issues.

I can only suggest:
Try updating your video card drives.
Disabling background programs, just to check if any are
interfering with ScummVM.

comment:5 Changed 5 months ago by digitall

Component: --Unset--Port: Win32
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