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;hp=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.
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