From a561fd469f23a7037b4df62132b5f1d1cee91df3 Mon Sep 17 00:00:00 2001
From: Luke Benstead <kazade@gmail.com>
Date: Sun, 10 Mar 2019 20:18:11 +0000
Subject: [PATCH] Protect against invalid read

---
 GL/state.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/GL/state.c b/GL/state.c
index 3b4207a..12d2cc5 100644
--- a/GL/state.c
+++ b/GL/state.c
@@ -224,7 +224,8 @@ void _glUpdatePVRTextureContext(pvr_poly_cxt_t* context, GLshort textureUnit) {
 
         if(tx1->isPaletted) {
             if(_glIsSharedTexturePaletteEnabled()) {
-                context->txr.format |= PVR_TXRFMT_8BPP_PAL(_glGetSharedPalette(tx1->shared_bank)->bank);
+                TexturePalette* palette = _glGetSharedPalette(tx1->shared_bank);
+                context->txr.format |= PVR_TXRFMT_8BPP_PAL((palette) ? 0 : palette->bank);
             } else {
                 context->txr.format |= PVR_TXRFMT_8BPP_PAL((tx1->palette) ? tx1->palette->bank : 0);
             }