X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fopengl%2Fbatch_backend.cpp;h=2bd3c8374b3278e20e01e475e74e82a862b27dad;hb=HEAD;hp=f44d6b82e273f13fe54735e146d5be3c626ec58a;hpb=160e9eea29bd10034733d59507fa1bcca36be401;p=libs%2Fgl.git

diff --git a/source/backends/opengl/batch_backend.cpp b/source/backends/opengl/batch_backend.cpp
index f44d6b82..2bd3c837 100644
--- a/source/backends/opengl/batch_backend.cpp
+++ b/source/backends/opengl/batch_backend.cpp
@@ -1,3 +1,4 @@
+#include <msp/gl/extensions/arb_tessellation_shader.h>
 #include <msp/gl/extensions/msp_primitive_restart.h>
 #include "batch_backend.h"
 
@@ -5,9 +6,12 @@ namespace Msp {
 namespace GL {
 
 OpenGLBatch::OpenGLBatch(PrimitiveType t):
-	gl_prim_type(GL::get_gl_primitive_type(t)),
+	gl_prim_type(get_gl_primitive_type(t)),
 	gl_index_type(GL_UNSIGNED_SHORT)
-{ }
+{
+	if(t==PATCHES)
+		static Require _req(ARB_tessellation_shader);
+}
 
 bool OpenGLBatch::check_restart(bool require)
 {