Build2DMipMaps.diff

diff --git a/gl10/gl.go b/gl10/gl.go
index a42ae3e..f1bcd30 100644
--- a/gl10/gl.go
+++ b/gl10/gl.go
@@ -68,6 +68,27 @@ func BlendFunc(sfactor GLenum, dfactor GLenum) {
 	C.glBlendFunc(C.GLenum(sfactor), C.GLenum(dfactor))
 }
 
+// GLint gluBuild2DMipmaps(
+//   GLenum target,
+//   GLint internalFormat,
+//   GLsizei width,
+//   GLsizei height,
+//   GLenum format,
+//   GLenum type,
+//   const void *data
+// )
+func Build2DMipmaps(target GLenum, internalFormat GLint, width, height GLsizei, format, kind GLenum, data unsafe.Pointer) GLint {
+  return GLint(C.gluBuild2DMipmaps(
+    C.GLenum(target),
+    C.GLint(internalFormat),
+    C.GLsizei(width),
+    C.GLsizei(height),
+    C.GLenum(format),
+    C.GLenum(kind),
+    data,
+  ))
+}
+
 //void glCallList (GLuint list)
 func CallList(list GLuint) {
 	C.glCallList(C.GLuint(list))