[Tutorial] OpenGL 1.x games

[gyeben]

This is a tutorial on how to get Bloboats and some other OpenGL 1.x games to work on the Pi. NOTE: glshim, the piece of software that translates OpenGL 1.x functions into OpenGL ES ones, is entirely lunixbochs' work. I just wrote this little tutorial to bring to the attention of more users.

0. Install git if it's not installed yet:

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sudo apt-get install git

1. Download the glshim source files by lunixbochs (aka aegis on this forum):

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git clone https://github.com/lunixbochs/glshim

2. Compile it:

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cd glshim
cmake . -DBCMHOST=1
make GL

3. Install bloboats:

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sudo apt-get install bloboats

4. Start X (I'm not sure why, but this seems to be necessary):

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startx

5. Open a terminal emulator under X. (eg.: lxterminal or xfce4-terminal)
6. Start bloboats using this command:

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LD_LIBRARY_PATH=/home/pi/glshim/lib LIBGL_FB=1 bloboats

7. Have fun!

[gyeben]

Notes on working/non-working games:

Bloboats: after disabling decorations in the options menu, it runs at around 21-23 FPS and is quite playable.

[4thdwarflord]

Does this use Hardware Acceleration?

[aegis]

4. Start X (I'm not sure why, but this seems to be necessary)

There's a pretty good chance any games using OpenGL depend on Xinput. I made X optional for the Gcw Zero, so I'll probably bring that to the Pi as a compile flag.

Does this use Hardware Acceleration?

Yep, that's the point.

[welshy]

gyeben
Interesting, are you implicating this will accelerate ANY OpenGL application to OpenGLES? (the Git ReadME file is a little sketchy).

PS you may want to change your instructions, cmake is also a dependency requirement!

Note: Have tried Mednafen & Stella from the Repos. Stella doesn't work (probably not OpenGL 1.0) and fals back to Software (SDL) Drivers. However, Mednafen does accept OpenGL Drivers but the wrapper doesn't work (blank/black Window).

[Hiradur]

glshim is still being developed and has come quite far according to this feature matrix: https://docs.google.com/spreadsheets/d/ ... LVE0KTjU2k

So if any games didn't work properly before they may now.

[PuppetHoundZ]

So after I compile this, I can just start any OpenGL app and it should work with OpenGL support with better frame rate?

Also to what is the command to install "Make" ?

Never mind the Make thing but you guys really should add that to the directions it was very clear in the beginning.

Update I did the Cmake Gl and it doesn't work it says all kinds of errors occured.

[GizmoTheGreen]

anyone had luck compiling on raspberry pi 2? I'm on raspbian and I get compile error on the first file.

[julienrat]

If make fails with this error

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fatal error: X11/Xlib.h: No such file or directory

just install libx11-dev

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sudo apt-get install libx11-dev