patches/mesa/0001-mesa-virtwl-13.0.6.patch

From c7e53a4262eff3569eaf83a98f94bcd1b1c12345 Mon Sep 17 00:00:00 2001
From: David Reveman <reveman@chromium.org>
Date: Sat, 4 Nov 2017 21:59:34 +0000
Subject: [PATCH] mesa virtwl 13.0.6

---
 src/egl/drivers/dri2/platform_wayland.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index 27baec348f..fa38d71ebc 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -45,6 +45,12 @@
 #include <wayland-client.h>
 #include "wayland-drm-client-protocol.h"
 
+#define HAVE_VIRTWL 1
+#ifdef HAVE_VIRTWL
+#include <sys/ioctl.h>
+#include <linux/virtwl.h>
+#endif
+
 enum wl_drm_format_flags {
    HAS_ARGB8888 = 1,
    HAS_XRGB8888 = 2,
@@ -1306,7 +1312,7 @@ dri2_wl_swrast_get_stride_for_format(int format, int w)
  * Taken from weston shared/os-compatibility.c
  */
 
-#ifndef HAVE_MKOSTEMP
+#if !defined(HAVE_MKOSTEMP) || defined(HAVE_VIRTWL)
 
 static int
 set_cloexec_or_close(int fd)
@@ -1388,6 +1394,24 @@ os_create_anonymous_file(off_t size)
    int fd;
    int ret;
 
+#ifdef HAVE_VIRTWL
+   struct virtwl_ioctl_new virtwl_ioctl_new = {
+    .type = VIRTWL_IOCTL_NEW_ALLOC,
+    .fd = -1,
+    .flags = 0,
+    .size = size,
+   };
+   int wl_fd = open("/dev/wl0", O_RDWR);
+   if (wl_fd >= 0) {
+     ret = ioctl(wl_fd, VIRTWL_IOCTL_NEW, &virtwl_ioctl_new);
+     close(wl_fd);
+     if (ret)
+       return -1;
+
+     return set_cloexec_or_close(virtwl_ioctl_new.fd);
+   }
+#endif
+
    path = getenv("XDG_RUNTIME_DIR");
    if (!path) {
       errno = ENOENT;
-- 
2.11.0