X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=src%2Fobjectrenderer.h;h=8f52aa00c95065b6ed99a92e6ee9b6a52cdb0aa6;hb=67fbce330b046b1f0d63222f04d83410dc1b2faa;hp=e3872b010f381a8277e0434bdf3dd5cbdc0637df;hpb=53579b1a949fa3e4e193f8dfba2064edbb123f57;p=ipdf%2Fcode.git

diff --git a/src/objectrenderer.h b/src/objectrenderer.h
index e3872b0..8f52aa0 100644
--- a/src/objectrenderer.h
+++ b/src/objectrenderer.h
@@ -11,6 +11,7 @@
 #include "shaderprogram.h"
 #include "bufferbuilder.h"
 
+
 namespace IPDF
 {
 	class View;
@@ -136,6 +137,8 @@ namespace IPDF
 			GroupRenderer() : ObjectRenderer(GROUP, "shaders/rect_vert.glsl", "shaders/rect_frag.glsl", "shaders/rect_outline_geom.glsl") {}
 			virtual ~GroupRenderer() {}
 			virtual void RenderUsingCPU(const Objects & objects, const View & view, const CPURenderTarget & target, unsigned first_obj_id, unsigned last_obj_id);
+			// do nothing on GPU
+			virtual void RenderUsingGPU(unsigned first_obj_id, unsigned last_obj_id) {}
 	};
 	
 }