From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 17 Oct 2014 18:44:01 +0000 (+0300)
Subject: Tweak extension behavior on Radeon
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=08abb340625c6d281496095f2a664f27570c2b64;p=libs%2Fgl.git

Tweak extension behavior on Radeon
---

diff --git a/source/extension.cpp b/source/extension.cpp
index fdbefb53..efa4b1a2 100644
--- a/source/extension.cpp
+++ b/source/extension.cpp
@@ -80,11 +80,18 @@ bool is_supported(const string &ext)
 
 		string renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
 		if(renderer.find("Radeon")!=string::npos)
+		{
 			/* Radeon doesn't process NV_primitive_restart correctly and treats
 			the restart index as a normal element if the indices are stored in a
 			buffer. */
 			extensions.erase("GL_NV_primitive_restart");
 
+			/* AMD's uniform buffer objects only work with the core version of
+			shaders. */
+			if(!(get_gl_version()>=Version(2, 0)))
+				extensions.erase("GL_ARB_uniform_buffer_object");
+		}
+
 		if(const char *disable_ptr = getenv("MSPGL_DISABLE_EXTENSIONS"))
 		{
 			vector<string> disable = split(disable_ptr);