Winnie the Pooh - graphical problem in ScummVM 2.0

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almeath
Posts: 92
Joined: Fri Mar 14, 2008 1:40 pm
Location: Australia

Winnie the Pooh - graphical problem in ScummVM 2.0

Post by almeath » Fri Feb 09, 2018 2:12 pm

I am experiencing a problem with Winnie the Pooh in the Hundred Acre Wood in ScummVM 2.0.

When using OpenGL, the graphical portion of the game is displayed with a solid white bar down the right hand side of the window. Using equivalent settings in ScummVM 1.6 works normally.

Versions 1.7 through 1.9 also have the white bar problem, so I assume this issue is related to changes to the way OpenGL was handled following version 1.6

Are there any settings changes I can make to correct this problem in ScummVM 2.0, or is this a known bug?

There seems to be differences in color reproduction as well.

ScummVM 2.0:
Image

Image

ScummVM 1.6:
Image

Image

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almeath
Posts: 92
Joined: Fri Mar 14, 2008 1:40 pm
Location: Australia

Post by almeath » Thu Feb 22, 2018 2:33 pm

This is the configuration that displays the game correctly in ScummVM 1.6:

[scummvm]
last_fullscreen_mode_height=1440
filtering=false
mute=false
speech_volume=255
native_mt32=false
midi_gain=100
enable_gs=false
gui_theme=scummmodern
last_fullscreen_mode_width=2560
talkspeed=60
mt32_device=mt32
gui_renderer=antialias
subtitles=false
multi_midi=true
fullscreen=true
updates_check=0
gui_browser_show_hidden=false
render_mode=vga
gm_device=core
aspect_ratio=true
output_rate=44100
sfx_volume=192
music_volume=192
speech_mute=false
lastselectedgame=winnie
music_driver=auto
master_volume=192
opl_driver=auto
kbdmouse_speed=3
disable_dithering=false
versioninfo=2.0.0
autosave_period=0
gui_language=C
gfx_mode=opengl

[winnie]
platform=pc
commandpromptwindow=false
gameid=agi
originalsaveload=false
description=Winnie the Pooh in the Hundred Acre Wood (DOS/English)
language=en
herculesfont=false
mousesupport=true
guioptions=sndNoSpeech gameOption1 gameOption3 gameOption4 gameOption5 lang_English

And the equivalent for 1.7 through 2.0 which causes the white bar:

[scummvm]
last_fullscreen_mode_height=1440
filtering=false
mute=false
speech_volume=255
native_mt32=false
midi_gain=100
enable_gs=false
gui_theme=scummmodern
last_fullscreen_mode_width=2560
talkspeed=60
mt32_device=mt32
gui_renderer=antialias
subtitles=false
multi_midi=true
fullscreen=true
updates_check=0
gui_browser_show_hidden=false
render_mode=vga
gm_device=core
aspect_ratio=true
output_rate=44100
sfx_volume=192
music_volume=192
speech_mute=false
lastselectedgame=winnie
music_driver=auto
master_volume=192
opl_driver=auto
kbdmouse_speed=3
disable_dithering=false
versioninfo=2.0.0
autosave_period=0
gui_language=C
gfx_mode=opengl

[winnie]
platform=pc
commandpromptwindow=false
gameid=agi
originalsaveload=false
description=Winnie the Pooh in the Hundred Acre Wood (DOS/English)
language=en
herculesfont=false
mousesupport=true
guioptions=sndNoSpeech gameOption1 gameOption3 gameOption4 gameOption5 lang_English

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WindlePoons
Posts: 82
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Post by WindlePoons » Thu Feb 22, 2018 8:50 pm

for comparison here with Dosbox

Code: Select all

[dosbox]
machine=cga
Image

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almeath
Posts: 92
Joined: Fri Mar 14, 2008 1:40 pm
Location: Australia

Post by almeath » Thu Mar 08, 2018 3:08 pm

Yes, I have had no trouble running this in DOSBox in its original CGA composite color mode. I do not think this game ever supported EGA so I am not sure how or why ScummVM displays it in this rendering mode at all.

However, regardless of rendering mode (or filter) it still displays the white bar in ScummVM 1.7 through 2.0. I should clarify that I am using the Mac builds of ScummVM.

It is not related to Open GL as I first thought, because the same thing happens with normal scaling, x1 through x3.

Very puzzling.

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