From 96a48a684878d169e2eefacb5d737e8be2de3fcd Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Wed, 4 Jul 2018 20:55:30 +0200
Subject: [PATCH] glgsg: fix issue with extract_texture_data and buffer
 textures

It would always extract the last-created buffer texture, not the texture in question.
---
 panda/src/glstuff/glGraphicsStateGuardian_src.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
index cde43352bc..b167f1baa8 100644
--- a/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
+++ b/panda/src/glstuff/glGraphicsStateGuardian_src.cxx
@@ -13309,6 +13309,12 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
       << "glBindTexture(0x" << hex << target << dec << ", " << gtc->_index << "): " << *tex << "\n";
   }
 
+#ifndef OPENGLES
+  if (target == GL_TEXTURE_BUFFER) {
+    _glBindBuffer(GL_TEXTURE_BUFFER, gtc->_buffer);
+  }
+#endif
+
   GLint wrap_u, wrap_v, wrap_w;
   GLint minfilter, magfilter;