From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 9 Aug 2012 07:21:08 +0000 (+0300)
Subject: Mipmap generation requires GL_SGIS_generate_mipmap
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=e4638ccfdcdb58f81740fe707ec93b1be3208d2c;p=libs%2Fgl.git

Mipmap generation requires GL_SGIS_generate_mipmap
---

diff --git a/source/texture.cpp b/source/texture.cpp
index 7ae1a2c2..57b1b78d 100644
--- a/source/texture.cpp
+++ b/source/texture.cpp
@@ -1,5 +1,6 @@
 #include <msp/strings/format.h>
 #include "error.h"
+#include "extension.h"
 #include "texture.h"
 #include "texunit.h"
 
@@ -124,6 +125,8 @@ void Texture::set_wrap_r(TextureWrap w)
 
 void Texture::set_generate_mipmap(bool gm)
 {
+	if(gm)
+		static RequireExtension _ext("GL_SGIS_generate_mipmap");
 	gen_mipmap = gm;
 	update_parameter(GENERATE_MIPMAP);
 }