From e225f54386ab044df59cb3f79a556d434b8733ac Mon Sep 17 00:00:00 2001
From: Luke Benstead <kazade@gmail.com>
Date: Sat, 2 Oct 2021 20:01:44 +0100
Subject: [PATCH] Fix bug when glVertexPointer etc. is called without client
 state enabled

---
 GL/draw.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/GL/draw.c b/GL/draw.c
index 3afc053..edebc33 100644
--- a/GL/draw.c
+++ b/GL/draw.c
@@ -1293,6 +1293,11 @@ void APIENTRY glEnableClientState(GLenum cap) {
     default:
         _glKosThrowError(GL_INVALID_ENUM, __func__);
     }
+
+    /* It's possible that we called glVertexPointer and friends before
+     * calling glEnableClientState, so we should recheck to make sure
+     * everything is in the right format with this new information */
+    _glRecalcFastPath();
 }
 
 void APIENTRY glDisableClientState(GLenum cap) {
@@ -1316,6 +1321,9 @@ void APIENTRY glDisableClientState(GLenum cap) {
     default:
         _glKosThrowError(GL_INVALID_ENUM, __func__);
     }
+
+    /* State changed, recalculate */
+    _glRecalcFastPath();
 }
 
 GLuint _glGetActiveClientTexture() {