/* GL_EXT_stencil_two_side */
static PFNGLACTIVESTENCILFACEEXTPROC glActiveStencilFaceEXT_func = NULL;
+/* GL_ARB_buffer_object */
+static PFNGLGENBUFFERSARBPROC glGenBuffersARB_func = NULL;
+static PFNGLDELETEBUFFERSARBPROC glDeleteBuffersARB_func = NULL;
+static PFNGLBINDBUFFERARBPROC glBindBufferARB_func = NULL;
+static PFNGLBUFFERDATAARBPROC glBufferDataARB_func = NULL;
+static PFNGLBUFFERSUBDATAARBPROC glBufferSubDataARB_func = NULL;
+static PFNGLMAPBUFFERARBPROC glMapBufferARB_func = NULL;
+static PFNGLUNMAPBUFFERARBPROC glUnmapBufferARB_func = NULL;
+
static void
GetExtensionFuncs(void)
/* GL_EXT_stencil_two_side */
glActiveStencilFaceEXT_func = (PFNGLACTIVESTENCILFACEEXTPROC) glutGetProcAddress("glActiveStencilFaceEXT");
+
+ /* GL_ARB_vertex_buffer_object */
+ glGenBuffersARB_func = (PFNGLGENBUFFERSARBPROC) glutGetProcAddress("glGenBuffersARB");
+ glDeleteBuffersARB_func = (PFNGLDELETEBUFFERSARBPROC) glutGetProcAddress("glDeleteBuffersARB");
+ glBindBufferARB_func = (PFNGLBINDBUFFERARBPROC) glutGetProcAddress("glBindBufferARB");
+ glBufferDataARB_func = (PFNGLBUFFERDATAARBPROC) glutGetProcAddress("glBufferDataARB");
+ glBufferSubDataARB_func = (PFNGLBUFFERSUBDATAARBPROC) glutGetProcAddress("glBufferSubDataARB");
+ glMapBufferARB_func = (PFNGLMAPBUFFERARBPROC) glutGetProcAddress("glMapBufferARB");
+ glUnmapBufferARB_func = (PFNGLUNMAPBUFFERARBPROC) glutGetProcAddress("glUnmapBufferARB");
+
}