ubo (ugly for now)

gl/ubo.cpp

@@ -0,0 +1,26 @@
+#include "stdafx.h"
+#include "ubo.h"
+
+gl::ubo::ubo(int size, int index)
+{
+    glGenBuffers(1, *this);
+    bind();
+    glBufferData(GL_UNIFORM_BUFFER, size, nullptr, GL_DYNAMIC_DRAW);
+    glBindBufferBase(GL_UNIFORM_BUFFER, index, *this);
+}
+
+gl::ubo::~ubo()
+{
+    glDeleteBuffers(1, *this);
+}
+
+void gl::ubo::bind(GLuint i)
+{
+    glBindBuffer(GL_UNIFORM_BUFFER, i);
+}
+
+void gl::ubo::update(void *data, int offset, int size)
+{
+    bind();
+    glBufferSubData(GL_UNIFORM_BUFFER, offset, size, data);
+}