From eb9a6b7068b9910301bfc7a3b83e114c7545c893 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20Ka=CC=88fer?= <mail@kkaefer.com>
Date: Mon, 10 Feb 2014 15:20:46 +0100
Subject: [PATCH] add more docs

---
 include/llmr/geometry/buffer.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/llmr/geometry/buffer.hpp b/include/llmr/geometry/buffer.hpp
index 02f03d010..1177bb196 100644
--- a/include/llmr/geometry/buffer.hpp
+++ b/include/llmr/geometry/buffer.hpp
@@ -25,10 +25,13 @@ public:
         }
     }
 
+    // Returns the number of elements in this buffer. This is not the number of
+    // bytes, but rather the number of coordinates with associated information.
     inline size_t index() const {
         return pos / itemSize;
     }
 
+    // Transfers this buffer to the GPU and binds the buffer to the GL context.
     void bind() {
         if (buffer == 0) {
             glGenBuffers(1, &buffer);