OpenGLES on iPhone... possible?

[bigsofty]

Is it possible to access OpenGLES (in a similar fashion to the way GL.BAS does) from using INLINE on the iPhone?

If so, can anyone provide and example that I can expand upon please?

[trucidare]

i think you can access all OGLES functions like GL.gbas - try it but think about limitation of GL ES.

[bigsofty]

I would stick in some INLINE OpenGLES but the headers for OpenGL and OpenGLES are different, OpenGLES is not just a reduced version (well it is kinda ) but it has its own unique commands.

I think I need to access the same OpenGLES.h header file as GLBasic to remain compliant with GLBasics official rendering context?

If so, is there any chance of Gernot pointing me in the direction of OpenGLES.h that GLBasic uses?

[Kitty Hello]

hum. Internally I have a set of macros that "wrap" the non existing function to the EGL equivalent. Just use the GL header and remove parts that do not work. Then add the 2 functions you might need individually. ES is just a bunch of say 10 functions or so anyway.

[bigsofty]

OK, sounds quite simple, so I add the EGL stuff that I want to the OpenGL headers and ignore the non OpenGLES stuff.

Something like...

Code (glbasic) Select Expand


INLINE
#ifdef CENTERLINE_CLPP
#define signed
#endif
#define OGL ::
typedef unsigned char   EGLBoolean;
ENDINLINE

INLINE
} extern "C" { EGLBoolean __stdcall eglWaitGL( void );; }; namespace __GLBASIC__ {
ENDINLINE
FUNCTION eglWaitGL:
INLINE
OGL eglWaitGL();
ENDINLINE
ENDFUNCTION

[Kitty Hello]

use IMPORT wherever possible.

[bigsofty]

Thanks Gernot and thanks  Trucidare(you were absolutely correct!  )