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SDL & OpenGL

Started by phraine Aug 4, 2005 at 1:19 PM 3 replies 2.4k views

Original Post

Aug 4, 2005 at 1:19 PM

Hi, someone... I've written a small GUI library for future use in my games. I've used SDL for graphics and mouse/keyboard. My question is: can I use OpenGL for 3D rendering && SDL for GUI? Should I use SDL_GL_SwapBuffers after rendering, then draw the GUI (HUD, menus, etc), and then do a SDL_Flip? This sounds a bit slow. Well, I hope someone will atleast read this... phraine

Daniel Miller

Aug 4, 2005 at 4:25 PM

It's best not to post here.

smr

Aug 4, 2005 at 4:35 PM

I don't think you can. If you create an opengl context with SDL, I don't think you can use SDL's rendering functions.

phraine

Aug 5, 2005 at 4:11 AM

Quote:
Original post by smr
I don't think you can. If you create an opengl context with SDL, I don't think you can use SDL's rendering functions.

Okay then... :(
Spent the whole weekend writing code for drawing primitives, widgets, geometry manager,... I guess I'll just have to use OpenGL for GUI and SDL for mouse/keyboard/(joystick?)...

SiCrane

Aug 5, 2005 at 7:25 AM

You can use the SDL_OPENGLBLIT flag when setting video mode to allow normal SDL functions on the video surface, but it is slow.

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