From 47739542f4ffba033bb70a8f58d1a056889f717e Mon Sep 17 00:00:00 2001
From: Mark Janes <mark.a.janes@intel.com>
Date: Mon, 18 Aug 2014 15:01:10 -0700
Subject: [PATCH] Fix compilation due to changed signature of
 glClearNamedBufferSubDataEXT.

As of GL_GLEXT_VERSION 20131212, the function signature of
glClearNamedBufferSubDataEXT changed, (different argument order). By
keying off of the version, we can support compilation with either an
old or a new version of glext.h.
---
 glwrap.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/glwrap.c b/glwrap.c
index 42eaa80..76d9ef9 100644
--- a/glwrap.c
+++ b/glwrap.c
@@ -558,6 +558,7 @@ glClearNamedBufferDataEXT (GLuint buffer, GLenum internalformat, GLenum format,
 	RESTORE_METRICS_OP ();
 }
 
+#if GL_GLEXT_VERSION < 20131212
 void
 glClearNamedBufferSubDataEXT (GLuint buffer, GLenum internalformat,
 			      GLenum format, GLenum type, GLsizeiptr offset,
@@ -570,6 +571,21 @@ glClearNamedBufferSubDataEXT (GLuint buffer, GLenum internalformat,
 
 	RESTORE_METRICS_OP ();
 }
+#else
+void
+glClearNamedBufferSubDataEXT (GLuint buffer, GLenum internalformat, 
+                              GLsizeiptr offset, GLsizeiptr size, 
+                              GLenum format, GLenum type, 
+                              const void *data)
+{
+	SAVE_THEN_SWITCH_METRICS_OP (METRICS_OP_CLEAR_BUFFER_DATA);
+
+	GLWRAP_DEFER (glClearNamedBufferSubDataEXT, buffer, internalformat, 
+                  offset, size, format, type, data);
+
+	RESTORE_METRICS_OP ();
+}
+#endif
 
 /* METRICS_OP_CLEAR_TEX_IMAGE */
 
-- 
2.43.0