X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fbatch.cpp;h=af1d243e6cba1551e6be65255a55e69a4e7029cf;hp=a59fad99f03b988309ef60042324df71ebf3c6ab;hb=b0059bd068c99dadfc922584911fcb25a21b737b;hpb=f50822b9e73a6ecdacbc4af4c4d9aba435a72386

diff --git a/source/batch.cpp b/source/batch.cpp
index a59fad99..af1d243e 100644
--- a/source/batch.cpp
+++ b/source/batch.cpp
@@ -1,3 +1,4 @@
+#include <msp/gl/extensions/arb_draw_instanced.h>
 #include <msp/gl/extensions/ext_draw_range_elements.h>
 #include <msp/gl/extensions/msp_legacy_features.h>
 #include <msp/gl/extensions/msp_primitive_restart.h>
@@ -235,6 +236,16 @@ void Batch::draw() const
 		glDrawElements(prim_type, size(), data_type, data_ptr);
 }
 
+void Batch::draw_instanced(unsigned count) const
+{
+	static Require req(ARB_draw_instanced);
+
+	BindRestore _bind_ibuf(get_buffer(), ELEMENT_ARRAY_BUFFER);
+	const void *data_ptr = setup_draw();
+
+	glDrawElementsInstanced(prim_type, size(), data_type, data_ptr, count);
+}
+
 const void *Batch::setup_draw() const
 {
 	if(restart)