X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexarray.cpp;h=527052e9c0a36322c64aa6022da5e650a64e7e21;hb=fe5bf090db687ef1dd1084218156bcbc0b801081;hp=9d8e4477b0ab5a4e3008c72b4f048de2b9d213f7;hpb=2e9f905d2a2b0abdb7902aa3d3416a97666c489a;p=libs%2Fgl.git

diff --git a/source/vertexarray.cpp b/source/vertexarray.cpp
index 9d8e4477..527052e9 100644
--- a/source/vertexarray.cpp
+++ b/source/vertexarray.cpp
@@ -133,7 +133,11 @@ void VertexArray::apply() const
 		throw invalid_operation("VertexArray::apply");
 
 	const VertexArray *old = current();
-	if(!set_current(this))
+	/* If the array has been modified, apply it even if it was the last one to
+	be applied.  This is necessary to get the data updated to vertex buffer, and
+	to resync things after a format change.  Radeon drivers also have some
+	problems with modifying vertex arrays without re-setting the pointers. */
+	if(!set_current(this) && !dirty)
 		return;
 
 	if(vbuf)