2 files changed, 21 insertions, 1 deletions
diff --git a/include/llmr/geometry/point_buffer.hpp b/include/llmr/geometry/point_buffer.hpp
new file mode 100644
index 0000000000..8c01a20ee2
--- /dev/null
+++ b/include/llmr/geometry/point_buffer.hpp
@@ -0,0 +1,19 @@
+#ifndef LLMR_GEOMETRY_POINT_BUFFER
+#define LLMR_GEOMETRY_POINT_BUFFER
+
+#include "buffer.hpp"
+
+namespace llmr {
+
+    class PointVertexBuffer : public Buffer<
+    4 // 2 coordinates per vertex (== 4 bytes)
+    > {
+    public:
+        typedef int16_t vertex_type;
+
+        void add(vertex_type x, vertex_type y);
+    };
+
+}
+
+#endif
diff --git a/include/llmr/geometry/vertex_buffer.hpp b/include/llmr/geometry/vertex_buffer.hpp
index 9d053693c9..9478d7b15f 100644
--- a/include/llmr/geometry/vertex_buffer.hpp
+++ b/include/llmr/geometry/vertex_buffer.hpp
@@ -2,6 +2,7 @@
 #define LLMR_GEOMETRY_VERTEX_BUFFER
 
 #include <vector>
+#include <cstddef>
 #include <cstdint>
 #include <cmath>
 
@@ -17,7 +18,7 @@ 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.
      */
-    uint32_t index() const;
+    size_t index() const;
 
     /*
      * Transfers this buffer to the GPU and binds the buffer to the GL context.