From 659a338d267bc8e1c0c48d51bc9dbdda97596877 Mon Sep 17 00:00:00 2001
From: Aaron Culliney <devnull@deadc0de.org>
Date: Tue, 5 Jan 2016 23:19:12 -0800
Subject: [PATCH] Avoid crashing if azimuth model is unavailable (shader failed
 to compile)

---
 src/video/gltouchjoy.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/video/gltouchjoy.c b/src/video/gltouchjoy.c
index b7ebd7fb..f5102add 100644
--- a/src/video/gltouchjoy.c
+++ b/src/video/gltouchjoy.c
@@ -186,6 +186,9 @@ static void *_rb_create_model(GLModel *parent) {
 }
 
 static void _rb_render(void) {
+    if (!axes.azimuthModel) {
+        return;
+    }
 
     GLModelRBJoystick *azimuthJoystick = (GLModelRBJoystick *)axes.azimuthModel->custom;
 
@@ -640,7 +643,7 @@ static inline void _button_touch_down(int x, int y) {
 
 static inline void _axis_move(int x, int y) {
 
-    if (joyglobals.showAzimuth) {
+    if (joyglobals.showAzimuth && axes.azimuthModel) {
         float centerX = 0.f;
         float centerY = 0.f;
         glhud_screenToModel(x, y, touchport.width, touchport.height, &centerX, &centerY);