From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 31 Mar 2021 21:20:51 +0000 (+0300)
Subject: Fix layout processing for old GLSL versions
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=9c1035c136c7c78f0cbf0205ec48befc49219de7;p=libs%2Fgl.git

Fix layout processing for old GLSL versions

layout(location) is not supported in 1.10 and 1.20, even with the
ARB_explicit_attrib_location extension.
---

diff --git a/source/glsl/finalize.cpp b/source/glsl/finalize.cpp
index b8c3378c..030cb432 100644
--- a/source/glsl/finalize.cpp
+++ b/source/glsl/finalize.cpp
@@ -228,8 +228,10 @@ bool LegacyConverter::supports_interface_layouts() const
 		return check_version(Version(3, 0));
 	else if(check_version(Version(3, 30)))
 		return true;
-	else
+	else if(check_version(Version(1, 30)))
 		return check_extension(&Features::arb_explicit_attrib_location);
+	else
+		return false;
 }
 
 bool LegacyConverter::supports_centroid_sampling() const