From 4b7f097c71cc48cddd3d67b36af875a7f3657416 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 28 Nov 2016 13:47:37 +0530
Subject: [PATCH] Fallback when glNamedBufferData is not available

---
 kitty/gl.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kitty/gl.h b/kitty/gl.h
index 22efe0662..7fcb3e195 100644
--- a/kitty/gl.h
+++ b/kitty/gl.h
@@ -460,7 +460,11 @@ NamedBufferData(PyObject UNUSED *self, PyObject *args) {
     if (!PyArg_ParseTuple(args, "kkO!i", &target, &size, &PyLong_Type, &address, &usage)) return NULL;
     void *data = PyLong_AsVoidPtr(address);
     if (data == NULL) { PyErr_SetString(PyExc_TypeError, "Not a valid data pointer"); return NULL; }
+#ifdef glNamedBufferData
     glNamedBufferData(target, size, data, usage);
+#else
+    glBindBuffer(target, GL_TEXTURE_BUFFER); glBufferData(GL_TEXTURE_BUFFER, size, data, usage); glBindBuffer(GL_TEXTURE_BUFFER, 0);
+#endif
     CHECK_ERROR;
     Py_RETURN_NONE;
 }