Fixed crash if the OpenGL library hasn't been loaded yet

This commit is contained in:
Sam Lantinga 1970-01-01 04:04:21 +00:00
parent d12d7952f1
commit e14e0ef947
2 changed files with 3 additions and 4 deletions

View File

@ -511,17 +511,16 @@ X11_GL_GetAttributes(_THIS, Display * display, int screen, int * attribs, int si
XVisualInfo *
X11_GL_GetVisual(_THIS, Display * display, int screen)
{
XVisualInfo *vinfo;
/* 64 seems nice. */
int attribs[64];
X11_GL_GetAttributes(_this,display,screen,attribs,64,SDL_FALSE);
XVisualInfo *vinfo;
if (!_this->gl_data) {
/* The OpenGL library wasn't loaded, SDL_GetError() should have info */
return NULL;
}
X11_GL_GetAttributes(_this, display, screen, attribs, 64, SDL_FALSE);
vinfo = _this->gl_data->glXChooseVisual(display, screen, attribs);
if (!vinfo) {
SDL_SetError("Couldn't find matching GLX visual");

View File

@ -373,7 +373,7 @@ X11_CreateWindow(_THIS, SDL_Window * window)
#if SDL_VIDEO_OPENGL_GLX
&& ( !_this->gl_data || ! _this->gl_data->HAS_GLX_EXT_create_context_es2_profile )
#endif
){
) {
vinfo = X11_GLES_GetVisual(_this, display, screen);
} else
#endif