Hi Giancarlo On Saturday 02 December 2006 10:29, Giancarlo Erra wrote: > Ok I'm replying myself ...just checked. I launched last binary without the > GL option and I got my old speed euae..launching with new GL option is a > way faster! IT WORKS! :-) > OSX 10.3.9 on Pbook 1ghz > > > I downloaded the source too, tried compiling (I also compiled my old > binary) enabling sdl Gl but failed with this error: > > sdlgfx.c: In function `init_gl_display': > sdlgfx.c:429: error: `GL_TEXTURE_RECTANGLE_ARB' undeclared (first use in > this function) sdlgfx.c:429: error: (Each undeclared identifier is reported > only once sdlgfx.c:429: error: for each function it appears in.) > sdlgfx.c: In function `alloc_gl_buffer': > sdlgfx.c:459: error: `GL_TEXTURE_RECTANGLE_ARB' undeclared (first use in > this function) make[3]: *** [sdlgfx.o] Error 1 > make[2]: *** [all-recursive] Error 1 > make[1]: *** [all] Error 2 > make: *** [all-recursive] Error 1 > > > Any hint? Launched configure enabling sdl-sound and sdl-gl The configure script doesn't do much error checking for GL support at the moment. You probably need to use the --with-sdl-gfx option too: ./configure --with-sdl-gfx --with-sdl-gl --with-sdl-sound > About vsync, it seems not working .... I got this error > > SDLGFX: vsynced output not supported. > SDLGFX: Using double-buffered, unsynced output. > SDLGFX: Failed to allocate texture. > reset at 0 > PAL mode, 50Hz (h=227 v=312) > chipmem cleared > Bus error :-( Are you using SDL >= 1.2.10? If not, then vsync won't work in GL mode. I need to clean up the error handling... Cheers, Rich