Implemented CHECK_GL_ERROR macro for debugging OpenGL calls.

svn-id: r50731

1 files changed, 38 insertions, 0 deletions

diff --git a/backends/graphics/opengl/glerrorcheck.h b/backends/graphics/opengl/glerrorcheck.h
new file mode 100644
index 0000000000..7c997eb288
--- /dev/null
+++ b/backends/graphics/opengl/glerrorcheck.h
@@ -0,0 +1,38 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#if !defined(DEBUG)
+
+// If not in debug, just do the GL call
+#define CHECK_GL_ERROR(call) (call)
+
+#else
+
+// If in debug, check for an error after a GL call
+#define CHECK_GL_ERROR(call) ((call), checkGlError(__FILE__, __LINE__))
+
+void checkGlError(const char* file, int line);
+
+#endif