From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 9 May 2018 19:08:23 +0000 (+0300)
Subject: Fix a bug in ProgramData when all uniforms in a block are removed
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=6b0a93110454cc8d84d0d9b9b29fe9d0ecbaa4d5

Fix a bug in ProgramData when all uniforms in a block are removed

Program blocks continued using the previously generated uniform blocks,
but because the uniform values were removed the blocks were not updated
anymore.
---

diff --git a/source/programdata.cpp b/source/programdata.cpp
index a0e0e8bc..79a8bb1b 100644
--- a/source/programdata.cpp
+++ b/source/programdata.cpp
@@ -455,7 +455,7 @@ ProgramData::ProgramBlock::ProgramBlock():
 
 ProgramData::ProgramBlock::ProgramBlock(int p, SharedBlock *b):
 	bind_point(p),
-	block(b ? b->block : 0),
+	block((b && b->used) ? b->block : 0),
 	shared(b)
 { }