From 96de2703203ee9a1bc23750b7542266b5118207d Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Mon, 11 May 2015 20:31:10 +0200
Subject: [PATCH] Fall back to depth textures when depth-stencil textures
 aren't supported

---
 panda/src/glstuff/glGraphicsBuffer_src.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/panda/src/glstuff/glGraphicsBuffer_src.cxx b/panda/src/glstuff/glGraphicsBuffer_src.cxx
index ced71cdddd..36aa82684d 100644
--- a/panda/src/glstuff/glGraphicsBuffer_src.cxx
+++ b/panda/src/glstuff/glGraphicsBuffer_src.cxx
@@ -381,6 +381,10 @@ rebuild_bitplanes() {
       // buffer was requested.
       _use_depth_stencil = true;
     }
+  } else if (attach[RTP_depth_stencil] != NULL && attach[RTP_depth] == NULL) {
+    // The depth stencil slot was assigned a texture, but we don't support it.
+    // Downgrade to a regular depth texture.
+    swap(attach[RTP_depth], attach[RTP_depth_stencil]);
   }
 
   // Knowing this, we can already be a tiny bit more accurate about the