From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 30 Aug 2012 19:48:48 +0000 (+0300)
Subject: Fix logic with appending Batches
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=7398ee7ebbd8b7e56c721a85cbe721b79758d09a

Fix logic with appending Batches

Allow combining Batches of any primitive type with NV_primitive_restart,
and don't use it if not necessary.
---

diff --git a/source/batch.cpp b/source/batch.cpp
index 785fca82..d4b6497f 100644
--- a/source/batch.cpp
+++ b/source/batch.cpp
@@ -167,17 +167,15 @@ void Batch::append(const Batch &other)
 {
 	if(other.prim_type!=prim_type)
 		throw invalid_argument("Batch::append");
-	if(prim_type==LINE_STRIP || prim_type==LINE_LOOP)
-		throw incompatible_data("Batch::append");
-	else if(prim_type==POLYGON)
-		throw incompatible_data("Batch::append");
-	else if(prim_type==TRIANGLE_FAN)
+	if(prim_type==LINE_STRIP || prim_type==LINE_LOOP || prim_type==TRIANGLE_FAN || prim_type==POLYGON)
 		static Require _req(NV_primitive_restart);
 
 	if(other.data.empty())
 		return;
 
-	if(NV_primitive_restart)
+	if(prim_type==POINTS || prim_type==LINES || prim_type==TRIANGLES || prim_type==QUADS)
+		;
+	else if(NV_primitive_restart)
 	{
 		restart = true;
 		if(data_type==UNSIGNED_SHORT)