x11-misc/primus: Support libglvnd ootb

Package-Manager: Portage-2.3.103, Repoman-2.3.23
Signed-off-by: Adam Feldman <NP-Hardass@gentoo.org>

3 files changed, 85 insertions, 0 deletions

diff --git a/x11-misc/primus/files/primus-0.2-libglvnd-workaround.patch b/x11-misc/primus/files/primus-0.2-libglvnd-workaround.patch
new file mode 100644
index 000000000000..f64757b7e340
--- /dev/null
+++ b/x11-misc/primus/files/primus-0.2-libglvnd-workaround.patch
@@ -0,0 +1,23 @@
+From 6ff7b3ee8c38830a72b5fc087d6f4f12cf421920 Mon Sep 17 00:00:00 2001
+From: Gary Gatling <gsgatlin@ncsu.edu>
+Date: Thu, 2 Mar 2017 14:50:47 -0500
+Subject: [PATCH] primus needs this variable workaround for libglvnd enabled
+ mesa
+
+---
+ primusrun | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/primusrun b/primusrun
+index 81e2dc0..33f0eef 100755
+--- a/primusrun
++++ b/primusrun
+@@ -1,5 +1,8 @@
+ #!/bin/bash
+ 
++# primus needs this variable workaround for libglvnd enabled mesa
++export __GLVND_DISALLOW_PATCHING=1
++
+ # Readback-display synchronization method
+ # 0: no sync, 1: D lags behind one frame, 2: fully synced
+ # export PRIMUS_SYNC=${PRIMUS_SYNC:-0}
diff --git a/x11-misc/primus/metadata.xml b/x11-misc/primus/metadata.xml
index 7eea5579ed48..91842eda4522 100644
--- a/x11-misc/primus/metadata.xml
+++ b/x11-misc/primus/metadata.xml
@@ -5,6 +5,9 @@
 		<email>zx2c4@gentoo.org</email>
 		<name>Jason A. Donenfeld</name>
 	</maintainer>
+	<use>
+		<flag name="libglvnd">Use <pkg>media-libs/libglvnd</pkg> for dispatch</flag>
+	</use>
 	<upstream>
 		<remote-id type="github">amonakov/primus</remote-id>
 	</upstream>
diff --git a/x11-misc/primus/primus-0.2-r1.ebuild b/x11-misc/primus/primus-0.2-r1.ebuild
new file mode 100644
index 000000000000..b17cd30fb649
--- /dev/null
+++ b/x11-misc/primus/primus-0.2-r1.ebuild
@@ -0,0 +1,59 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit multilib-build
+
+DESCRIPTION="Faster OpenGL offloading for Bumblebee"
+HOMEPAGE="https://github.com/amonakov/primus"
+SRC_URI="https://github.com/amonakov/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+EGIT_REPO_URI="https://github.com/amonakov/${PN}.git"
+
+LICENSE="ISC"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="+libglvnd"
+
+RDEPEND="
+	x11-misc/bumblebee
+	x11-drivers/nvidia-drivers[libglvnd(-)=]
+"
+DEPEND="virtual/opengl"
+
+PATCHES=( "${FILESDIR}/primus-0.2-libglvnd-workaround.patch" )
+
+src_prepare() {
+	default
+	# Exported values don't always seem to be used.  Until source fixed,
+	# patch primusrun script
+	if use libglvnd; then
+		sed -i "/libGLa/a export PRIMUS_libGLa='\/usr\/\$LIB\/libGLX_nvidia.so.0'" primusrun || die
+		sed -i "/libGLd/a export PRIMUS_libGLd='\/usr\/\$LIB\/libGLX.so.0'" primusrun || die
+	else
+		sed -i "/libGLa/a export PRIMUS_libGLa='\/usr\/$$LIB\/opengl\/nvidia\/lib/libGL.so.1'" primusrun || die
+	fi
+}
+
+src_compile() {
+	if use libglvnd; then
+		export PRIMUS_libGLa='/usr/$$LIB/libGLX_nvidia.so.0'
+		export PRIMUS_libGLd='/usr/$$LIB/libGLX.so.0'
+	else
+		export PRIMUS_libGLa='/usr/$$LIB/opengl/nvidia/lib/libGL.so.1'
+	fi
+	mymake() {
+		emake LIBDIR=$(get_libdir)
+	}
+	multilib_parallel_foreach_abi mymake
+}
+
+src_install() {
+	sed -i -e "s#^PRIMUS_libGL=.*#PRIMUS_libGL='/usr/\$LIB/primus'#" primusrun
+	dobin primusrun
+	myinst() {
+		insinto /usr/$(get_libdir)/primus
+		doins "${S}"/$(get_libdir)/libGL.so.1
+	}
+	multilib_foreach_abi myinst
+}