From 20a4ecf175236f9ba2a6a3b83bdb239e3e85c89a Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@elmindreda.org>
Date: Wed, 16 Jan 2013 06:10:09 +0100
Subject: [PATCH] Added missing WGL pixel format error check.

---
 src/wgl_context.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/wgl_context.c b/src/wgl_context.c
index a802d9a9..2284f3d1 100644
--- a/src/wgl_context.c
+++ b/src/wgl_context.c
@@ -293,6 +293,12 @@ int _glfwCreateContext(_GLFWwindow* window,
         pfd.cAuxBuffers = fbconfig->auxBuffers;
 
         pixelFormat = ChoosePixelFormat(window->wgl.dc, &pfd);
+        if (!pixelFormat)
+        {
+            _glfwInputError(GLFW_PLATFORM_ERROR,
+                            "WGL: Failed to find a suitable pixel format");
+            return GL_FALSE;
+        }
     }
 
     if (!DescribePixelFormat(window->wgl.dc, pixelFormat, sizeof(pfd), &pfd))