NAME

SDL_GL_SetAttribute - Set an OpenGL window attribute before window creation.

HEADER FILE

Defined in SDL3/SDL_video.h

SYNOPSIS

#include "SDL3/SDL.h"

bool SDL_GL_SetAttribute(SDL_GLAttr attr, int value);

DESCRIPTION

This function sets the OpenGL attribute attr to value . The requested attributes should be set before creating an OpenGL window. You should use

SDL_GL_GetAttribute () to check the values after creating the OpenGL context, since the values obtained can differ from the requested ones.

FUNCTION PARAMETERS

attr

an SDL_GLAttr
enum value specifying the OpenGL attribute to set.

value

the desired value for the attribute.

RETURN VALUE

Returns true on success or false on failure; call

SDL_GetError () for more information.

THREAD SAFETY

This function should only be called on the main thread.

AVAILABILITY

This function is available since SDL 3.2.0.

SEE ALSO

•(3), SDL_GL_GetAttribute(3), •(3), SDL_GL_ResetAttributes(3)