vo_opengl: glctx can be NULL during init

wm4 · wm4 · commit 99d9921f3970 · 2016-07-21T16:07:15.000+02:00
This fixes a crash that can happen with the Cocoa backend: it calls vo_wakeup() during init, which calls vo_opengl.c/wakeup(). Fixes #3360.
diff --git a/video/out/vo_opengl.c b/video/out/vo_opengl.c
@@ -360,7 +360,7 @@ static int control(struct vo *vo, uint32_t request, void *data)
 static void wakeup(struct vo *vo)
 {
     struct gl_priv *p = vo->priv;
-    if (p->glctx->driver->wakeup)
+    if (p->glctx && p->glctx->driver->wakeup)
         p->glctx->driver->wakeup(p->glctx);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -360,7 +360,7 @@ static int control(struct vo vo, uint32_t request, void data)`
`360`	`360`	`static void wakeup(struct vo *vo)`
`361`	`361`	`{`
`362`	`362`	`struct gl_priv *p = vo->priv;`
`363`		`- if (p->glctx->driver->wakeup)`
	`363`	`+ if (p->glctx && p->glctx->driver->wakeup)`
`364`	`364`	`p->glctx->driver->wakeup(p->glctx);`
`365`	`365`	`}`
`366`	`366`