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| Allegro 4.4 windowed limitation? |
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Zepper
Member #8,715
June 2007
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When I tried to setup a 1365x980 (4x using 4:3 aspect) in windowed mode, Allegro gave me an error. 1Error:
2Unable to find a suitable graphics driver
3(WINDOWED, 1365 x 960)
Suggestions? EDIT: running gfxinfo, any windowed mode is supported. 1C:\Program Files\Dev-Cpp\allegro\build\tests>gfxinfo DXWN
2Allegro graphics info utility 4.4.2, MinGW32
3By Lorenzo Petrone, 2011
4
5Name: DirectDraw window; driver ID: DXWN
6This is a windowed mode driver. You can use any resolution you want.
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9C:\Program Files\Dev-Cpp\allegro\build\tests>gfxinfo DXOV
10Allegro graphics info utility 4.4.2, MinGW32
11By Lorenzo Petrone, 2011
12
13Name: DirectDraw overlay; driver ID: DXOV
14This is a windowed mode driver. You can use any resolution you want.
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GullRaDriel
Member #3,861
September 2003
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Isn't that coming from OpenGL being the default driver from 4.X ? (I may be wrong) "Code is like shit - it only smells if it is not yours" |
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Zepper
Member #8,715
June 2007
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Using GFX_DIRECTX_WIN gives an error of overlays not supported. Nothing special about calling set_gfx_mode()... err_code = set_gfx_mode(GFX_DIRECTX_WIN,1365,980,0,0); EDIT: It seems the number must be a multiple of 4. 256x240 (original) -> x4 = 1024x980 -> x4:3 -> 1365,33x1280 It worked with 1364 and 1368 but not with 1365, 66 or 67.
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Chris Katko
Member #1,881
January 2002
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Is the window bigger than your display? Zepper said: GFX_AUTODETECT_WINDOWED gives an error of unavailable gfx driver. That... that sounds like a more fundamental error is going on. -----sig: |
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Edgar Reynaldo
Major Reynaldo
May 2007
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Generally the width must be a multiple of 4 and the window must be smaller than the desktop. If you want a larger window, you have to change the resolution of your monitor yourself before hand. My Website! | EAGLE GUI Library Demos | My Deviant Art Gallery | Spiraloid Preview | A4 FontMaker | Skyline! (Missile Defense) Eagle and Allegro 5 binaries | Older Allegro 4 and 5 binaries | Allegro 5 compile guide |
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GullRaDriel
Member #3,861
September 2003
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If I understand the OP correctly, the problem comes from the same program working with allegro2&3 and not 4.X, with the same running specs. "Code is like shit - it only smells if it is not yours" |
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LennyLen
Member #5,313
December 2004
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GullRaDriel said: If I understand the OP correctly, the problem comes from the same program working with allegro2&3 and not 4.X, with the same running specs. Actually, I think his references to 2x, 3x and 4x were to do with multiples of his original image which was 256x240. I don't know why he wants 1365x980 as it's NOT a 4:3 resolution (240 x 4 is also 960 not 980).
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Chris Katko
Member #1,881
January 2002
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Yeah, even if you were emulating something, pick a normal resolution, and then throw some black bars. Unless you're time travelling and using a CRT, there is NO ADVANTAGE to using a wrong resolution because it's just going to be (horribly!) distorted as it's shoved back into the native resolution in fullscreen mode. And in windowed mode? Again? What's the advantage? It's a window. -----sig: |
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Zepper
Member #8,715
June 2007
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1. It's a NES emulator for Windows. It uses Allegro 4.4 for inputs, video and audio. Thank you. It's ok.
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LennyLen
Member #5,313
December 2004
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Zepper said: 3. If you read my 1st message, you'll read "960" instead of my typo "980". I did see that, but than you later refereed to 1365,33x1280. I got a bit confused at that point as to what resolution you were actually going for. How did you work around the multiple of 4 issue in the end? The multiple of 4 but should be mentioned in the documentation. You're not the first person to have raised the issue.
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Zepper
Member #8,715
June 2007
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I'm using a length of 1316 pixels, upscaling the bitmap.
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