From a089b99455707f7989379683d631531ea7a163fb Mon Sep 17 00:00:00 2001
From: Frank Henigman <fjhenigman@google.com>
Date: Thu, 7 May 2015 01:11:06 -0400
Subject: [PATCH 4/6] SceneDesktop: don't modify framebuffer zero

According to the man page it is an error to call glFramebufferTexture2D
on framebuffer zero.
---
 src/scene-desktop.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/scene-desktop.cpp b/src/scene-desktop.cpp
index cc1bb55..eb352c5 100644
--- a/src/scene-desktop.cpp
+++ b/src/scene-desktop.cpp
@@ -197,6 +197,8 @@ public:
         /* Recreate the backing texture with correct size */
         if (size_.x() != size.x() || size_.y() != size.y()) {
             size_ = size;
+            if (fbo_ == 0)
+                return;
             /* If we're resizing the texture, we need to tell the framebuffer*/
             glBindTexture(GL_TEXTURE_2D, texture_);
             glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size_.x(), size_.y(), 0,
-- 
2.2.0.rc0.207.ga3a616c