milek7/sim branch opengl 3.3 renderer import

gl/ubo.cpp

@@ -0,0 +1,19 @@
+#include "stdafx.h"
+#include "ubo.h"
+
+gl::ubo::ubo(int size, int idx, GLenum hint)
+{
+    allocate(buffer::UNIFORM_BUFFER, size, hint);
+    index = idx;
+    bind_uniform();
+}
+
+void gl::ubo::bind_uniform()
+{
+    bind_base(buffer::UNIFORM_BUFFER, index);
+}
+
+void gl::ubo::update(const uint8_t *data, int offset, int size)
+{
+    upload(buffer::UNIFORM_BUFFER, data, offset, size);
+}