From d2ad8869f09c1a9df26a26d51bb35b991f2e116b Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 26 Aug 2004 20:26:03 +0000
Subject: [PATCH] flush errors before glReadPixels

---
 stepmania/src/RageDisplay_OGL.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stepmania/src/RageDisplay_OGL.cpp b/stepmania/src/RageDisplay_OGL.cpp
index 25889424b4..0f1807b5a2 100644
--- a/stepmania/src/RageDisplay_OGL.cpp
+++ b/stepmania/src/RageDisplay_OGL.cpp
@@ -825,6 +825,7 @@ RageSurface* RageDisplay_OGL::CreateScreenshot()
 	RageSurface *image = CreateSurface( width, height, desc.bpp,
 		desc.masks[0], desc.masks[1], desc.masks[2], 0 );
 
+	FlushGLErrors();
 	glReadPixels(0, 0, wind->GetVideoModeParams().width, wind->GetVideoModeParams().height, GL_RGBA,
 	             GL_UNSIGNED_BYTE, image->pixels);
 	AssertNoGLError();