From 1909f4a87a7d6a7ac3d2c08fd644fc76fcd111f7 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ch=C3=AD-Thanh=20Christopher=20Nguy=E1=BB=85n?=
 <chithanh@gentoo.org>
Date: Mon, 4 Jul 2016 18:34:49 +0200
Subject: [PATCH] x11-drivers/xf86-video-intel: always build dri3, but default
 to dri2 at runtime

Bug: https://bugs.gentoo.org/show_bug.cgi?id=582544

Package-Manager: portage-2.2.28
---
 ...6-video-intel-2.99.917_p20160621-r1.ebuild | 82 +++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 x11-drivers/xf86-video-intel/xf86-video-intel-2.99.917_p20160621-r1.ebuild

diff --git a/x11-drivers/xf86-video-intel/xf86-video-intel-2.99.917_p20160621-r1.ebuild b/x11-drivers/xf86-video-intel/xf86-video-intel-2.99.917_p20160621-r1.ebuild
new file mode 100644
index 000000000000..07287fe4f942
--- /dev/null
+++ b/x11-drivers/xf86-video-intel/xf86-video-intel-2.99.917_p20160621-r1.ebuild
@@ -0,0 +1,82 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+XORG_DRI=dri
+XORG_EAUTORECONF=yes
+inherit linux-info xorg-2
+
+DESCRIPTION="X.Org driver for Intel cards"
+
+KEYWORDS="~amd64 ~x86 ~amd64-fbsd -x86-fbsd"
+IUSE="debug dri3 +sna +udev uxa xvmc"
+COMMIT_ID="c28e62f94f15c9f5c4fb0744588f08ae18e4a9b5"
+SRC_URI="https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/snapshot/${COMMIT_ID}.tar.xz -> ${P}.tar.xz"
+
+S=${WORKDIR}/${COMMIT_ID}
+
+REQUIRED_USE="
+	|| ( sna uxa )
+"
+RDEPEND="x11-libs/libXext
+	x11-libs/libXfixes
+	>=x11-libs/pixman-0.27.1
+	>=x11-libs/libdrm-2.4.29[video_cards_intel]
+	dri3? (
+		>=x11-base/xorg-server-1.18
+	)
+	sna? (
+		>=x11-base/xorg-server-1.10
+	)
+	udev? (
+		virtual/udev
+	)
+	xvmc? (
+		x11-libs/libXvMC
+		>=x11-libs/libxcb-1.5
+		x11-libs/xcb-util
+	)
+"
+DEPEND="${RDEPEND}
+	>=x11-proto/dri2proto-2.6
+	x11-proto/dri3proto
+	x11-proto/presentproto
+	x11-proto/resourceproto"
+
+src_configure() {
+	XORG_CONFIGURE_OPTIONS=(
+		$(use_enable debug)
+		$(use_enable dri)
+		$(use_enable dri dri3)
+		$(usex dri3 "--with-default-dri=3")
+		$(use_enable sna)
+		$(use_enable udev)
+		$(use_enable uxa)
+		$(use_enable xvmc)
+	)
+	xorg-2_src_configure
+}
+
+pkg_postinst() {
+	if linux_config_exists && \
+		kernel_is -lt 4 3 && ! linux_chkconfig_present DRM_I915_KMS; then
+		echo
+		ewarn "This driver requires KMS support in your kernel"
+		ewarn "  Device Drivers --->"
+		ewarn "    Graphics support --->"
+		ewarn "      Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)  --->"
+		ewarn "      <*>   Intel 830M, 845G, 852GM, 855GM, 865G (i915 driver)  --->"
+		ewarn "	      i915 driver"
+		ewarn "      [*]       Enable modesetting on intel by default"
+		echo
+	fi
+	if use dri3; then
+		ewarn "There are reports of crashes when using DRI3, we recommend"
+		ewarn "to be careful when enabling this option. Check the following"
+		ewarn "bugs for discussion and a workaround patch for libdrm:"
+		ewarn "https://bugs.freedesktop.org/show_bug.cgi?id=71759"
+		ewarn "https://bugs.gentoo.org/show_bug.cgi?id=582544"
+	fi
+}
-- 
2.26.2