Update OpenGL support info for intel

getting-started.md

@@ -26,8 +26,11 @@ The Monado compositor requires a Vulkan driver with certain Vulkan extensions. F
 
 A full list of required and optional Vulkan extensions is available [in the doxygen documentation](https://monado.pages.freedesktop.org/monado/vulkan-extensions.html).
 
-OpenXR applications using OpenGL require an OpenGL driver with support for the `GL_EXT_memory_object_fd` OpenGL extension. OpenGL applications are supported with radeonsi and the nvidia proprietary driver.\\
-[Intel does not currently support this extension in mainline mesa](https://gitlab.freedesktop.org/mesa/mesa/-/issues/1824) but there are WIP MRs [for mesa/iris](https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4337) and [for mesa/i965](https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5594) that have been tested to work with Monado.
+In particular reasonably modern versions of radv, intel anv and the nvidia proprietary driver are tested and confirmed to work.
+
+OpenXR applications using OpenGL require an OpenGL driver with support for the `GL_EXT_memory_object_fd` OpenGL extension. OpenGL applications have been tested and are confirmed to work with radeonsi, intel i965 and iris (since mesa 21.2) and the nvidia proprietary driver.
+
+Note that the intel drivers offer only limited support for GL_EXT_memory_object_fd: [depth/stencil formats are not supported yet](https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10864).
 
 Running Monado with the amdvlk Vulkan driver generally works but may not render OpenXR applications using OpenGL correctly.