1 .TH "SDL_GL_SetAttribute" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference"
3 SDL_GL_SetAttribute\- Set a special SDL/OpenGL attribute
8 \fBint \fBSDL_GL_SetAttribute\fP\fR(\fBSDL_GLattr attr, int value\fR);
11 Sets the OpenGL \fIattribute\fR \fBattr\fR to \fBvalue\fR\&. The attributes you set don\&'t take effect until after a call to \fI\fBSDL_SetVideoMode\fP\fR\&. You should use \fI\fBSDL_GL_GetAttribute\fP\fR to check the values after a \fBSDL_SetVideoMode\fP call\&.
14 Returns \fB0\fR on success, or \fB-1\fR on error\&.
18 \f(CWSDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
19 SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 5 );
20 SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
21 SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16 );
22 SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
23 if ( (screen=SDL_SetVideoMode( 640, 480, 16, SDL_OPENGL )) == NULL ) {
24 fprintf(stderr, "Couldn\&'t set GL mode: %s
35 The \fBSDL_DOUBLEBUF\fP flag is not required to enable double buffering when setting an OpenGL video mode\&. Double buffering is enabled or disabled using the SDL_GL_DOUBLEBUFFER attribute\&.
39 \fI\fBSDL_GL_GetAttribute\fP\fR, \fIGL Attributes\fR
40 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01