git: openjdk/jfx-sandbox: metal: 8304769: Add implementation for integer index buffer

[duke]

Changeset: 0bc4f31f
Author:    Jayathirth D V <jdv at openjdk.org>
Committer: aghaisas <ajitgh at gmail.com>
Date:      2023-03-23 14:47:26 +0000
URL:       https://git.openjdk.org/jfx-sandbox/commit/0bc4f31fe9fe03de106a810d5b0773d6699900d0

8304769: Add implementation for integer index buffer

! modules/javafx.graphics/src/main/native-prism-mtl/MetalContext.m
! modules/javafx.graphics/src/main/native-prism-mtl/MetalMesh.h
! modules/javafx.graphics/src/main/native-prism-mtl/MetalMesh.m