SDL_GL_SetAttribute?
NAME SYNOPSIS DESCRIPTION RETURN VALUE EXAMPLE SEE ALSO
SDL_GL_SetAttribute?- Set a special SDL/OpenGL attribute
#include
int SDL_GL_SetAttribute?(SDL_GLattr attr, int value);
Sets the OpenGL attribute attr to value. The attributes you set don't take effect until after a call to SDL_SetVideoMode?. You should use SDL_GL_GetAttribute? to check the values after a SDL_SetVideoMode? call.
Returns 0 on success, or -1 on error.
SDL_GL_SetAttribute?( SDL_GL_RED_SIZE, 5 ); SDL_GL_SetAttribute?( SDL_GL_GREEN_SIZE, 5 ); SDL_GL_SetAttribute?( SDL_GL_BLUE_SIZE, 5 ); SDL_GL_SetAttribute?( SDL_GL_DEPTH_SIZE, 16 ); SDL_GL_SetAttribute?( SDL_GL_DOUBLEBUFFER, 1 ); if ( (screen=SDL_SetVideoMode?( 640, 480, 16, SDL_OPENGL )) == NULL ) { fprintf(stderr,
Note:
The SDL_DOUBLEBUF 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.
SDL_GL_GetAttribute?, GL Attributes
One page links to SDL_GL_SetAttribute(3):
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