Changeset 502 for trunk/src/gl/gl_context.cc

Timestamp:

06/16/16 19:47:58 (9 years ago)

Author:

epyon

Message:

• instancing support

File:

• trunk/src/gl/gl_context.cc (modified) (1 diff)

trunk/src/gl/gl_context.cc

@@ -1057 +1057 @@
         }
 }
+
+void nv::gl_context::draw_instanced( primitive prim, const render_state& rs, program p, size_t instances, vertex_array va, size_t count, size_t first /*= 0 */ )
+{
+        apply_render_state( rs );
+        const vertex_array_info* info = m_vertex_arrays.get( va );
+        if ( count > 0 && info )
+        {
+                bind( p );
+                bind( va );
+                if ( info->index.is_valid() )
+                {
+                        glDrawElementsInstanced( primitive_to_enum( prim ), static_cast<GLsizei>( count ), datatype_to_gl_enum( info->index_type ), reinterpret_cast<const void*>( get_datatype_info( info->index_type ).size * first ), instances );
+                }
+                else
+                {
+                        glDrawArraysInstanced( primitive_to_enum( prim ), static_cast<GLint>( first ), static_cast<GLsizei>( count ), instances );
+                }
+                unbind( va );
+                //unbind( p );
+        }
+}