Remove the SMP renderer feature

code/renderer/tr_model.c

@@ -306,8 +306,7 @@ qhandle_t RE_RegisterModel( const char *name ) {
 	Q_strncpyz( mod->name, name, sizeof( mod->name ) );
 
 
-	// make sure the render thread is stopped
-	R_SyncRenderThread();
+	R_IssuePendingRenderCommands();
 
 	mod->type = MOD_BAD;
 	mod->numLods = 0;
@@ -1045,7 +1044,7 @@ void RE_BeginRegistration( glconfig_t *glconfigOut ) {
 
 	*glconfigOut = glConfig;
 
-	R_SyncRenderThread();
+	R_IssuePendingRenderCommands();
 
 	tr.viewCluster = -1;		// force markleafs to regenerate
 	R_ClearFlares();