From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 7 Apr 2015 12:17:28 +0000 (+0300)
Subject: Revert changes if create_targets throws an exception
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=17af32b5943c845c97baee0733ca86c5a5b722ed

Revert changes if create_targets throws an exception
---

diff --git a/source/pipeline.cpp b/source/pipeline.cpp
index fd638fb6..bcbbb05f 100644
--- a/source/pipeline.cpp
+++ b/source/pipeline.cpp
@@ -40,8 +40,17 @@ void Pipeline::set_hdr(bool h)
 	if(h==hdr)
 		return;
 
+	bool old_hdr= hdr;
 	hdr = h;
-	create_targets(2);
+	try
+	{
+		create_targets(2);
+	}
+	catch(...)
+	{
+		hdr = old_hdr;
+		throw;
+	}
 }
 
 void Pipeline::set_multisample(unsigned s)
@@ -111,7 +120,15 @@ void Pipeline::remove_renderable(const Renderable &r)
 void Pipeline::add_postprocessor(PostProcessor &pp)
 {
 	postproc.push_back(&pp);
-	create_targets(0);
+	try
+	{
+		create_targets(0);
+	}
+	catch(...)
+	{
+		postproc.pop_back();
+		throw;
+	}
 }
 
 void Pipeline::setup_frame() const