[gentoo-commits] proj/musl:master commit in: media-libs/mesa/, media-libs/mesa/files/

[Jory Pratt]

commit:     377a82974ad1468f1a2f5defdf1fe4f47124c60a
Author:     Jory Pratt <anarchy <AT> gentoo <DOT> org>
AuthorDate: Wed May  8 03:07:06 2019 +0000
Commit:     Jory Pratt <anarchy <AT> gentoo <DOT> org>
CommitDate: Wed May  8 03:07:06 2019 +0000
URL:        https://gitweb.gentoo.org/proj/musl.git/commit/?id=377a8297

media-libs/mesa: Version bump 19.1.0_rc1

Package-Manager: Portage-2.3.66, Repoman-2.3.12
Signed-off-by: Jory Pratt <anarchy <AT> gentoo.org>

 media-libs/mesa/Manifest                         |   1 +
 media-libs/mesa/files/mesa-19.1.0-execinfo.patch |  90 ++++
 media-libs/mesa/mesa-19.1.0_rc1.ebuild           | 545 +++++++++++++++++++++++
 media-libs/mesa/metadata.xml                     |   1 +
 4 files changed, 637 insertions(+)

diff --git a/media-libs/mesa/Manifest b/media-libs/mesa/Manifest
index 3dc4f61..7e2648b 100644
--- a/media-libs/mesa/Manifest
+++ b/media-libs/mesa/Manifest
@@ -4,3 +4,4 @@ DIST mesa-18.3.4.tar.xz 11875224 BLAKE2B 81d34349c644cc93b3ca525046cdd63a5aa2a16
 DIST mesa-18.3.5.tar.xz 11882012 BLAKE2B 88279fe2f24c2a47c8857ad34382b7c8b64119632f1ec7ce8d0fe2afe669e01d2e071726f01e28b001be353d8d9ec1f0ef46d3ba1e64239d63221b100745e8ee SHA512 f229ac122eafee98d1a40c54adeb019eb4458cb67063db9ba760b265da0634fe77247c3c8cb5c5de5fd40f8545e35d45000a74af9257ebf4e2028156add8644c
 DIST mesa-18.3.6.tar.xz 11882744 BLAKE2B f0f0de6d4c40cf01c6b9cb97d772c6386deb3d08f66f2731fe60eff21edfa822b6d7a293fbf9e426acddbb58445b9b0e3c0b1bc8ae05e8b19e802872571449c2 SHA512 3a6dcaba99185e28d162b130bbd760fe87e6072065958189b28f41ea287ef041397897e098d93218a64802cf11c73806f7400a866bd8e5ed69694fa15c147487
 DIST mesa-19.0.3.tar.xz 11963844 BLAKE2B 7d8bae717c0a2a6143d3aee35852145a2032d40ad7f4edcd76eec46392f3917787592d13f9695de54a15ea5bcb3dec3181c418ddfb5b69a3e1b52fb796f04eab SHA512 aa170577252aa4157e4bd49076bbf6207e4aada9fc9f23b255de332e816f9c63e5661f752f2f276dd43e232a8926866004e2a2ff9ad4b411330969c2a9a7ffa0
+DIST mesa-19.1.0-rc1.tar.xz 10877180 BLAKE2B 1ea358595875fbe46b58f5445762cec0c0bd6ee087ce9819237373e2b41aacb64365ac9832b20b9f5fb8838c3d2c6c929cd642bba18b99c7ef153ca124135918 SHA512 a56215882a7c22b7b8fe57d5703914d674841e4045676e2cc2e7834d17f4d5a765516bec4f01eea6772c50e1d979cc430e032302f38c6e7a4274bc43a4d647b1

diff --git a/media-libs/mesa/files/mesa-19.1.0-execinfo.patch b/media-libs/mesa/files/mesa-19.1.0-execinfo.patch
new file mode 100644
index 0000000..473b9a8
--- /dev/null
+++ b/media-libs/mesa/files/mesa-19.1.0-execinfo.patch
@@ -0,0 +1,90 @@
+From 46036cd6b8c0da94262aaccd5c8bcaad0c93babd Mon Sep 17 00:00:00 2001
+From: Jory Pratt <anarchy@g.o>
+Date: Tue, 7 May 2019 21:47:40 -0500
+Subject: [PATCH] Fix execinfo.h inclusion for libc's that do not support
+
+---
+ meson.build                                 | 2 +-
+ src/gallium/auxiliary/util/u_debug_symbol.c | 8 ++++----
+ src/mapi/glapi/gen/gl_gentable.py           | 2 +-
+ src/mesa/drivers/dri/i915/intel_regions.c   | 2 +-
+ 4 files changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/meson.build b/meson.build
+index f72bdc9..6b7200c 100644
+--- a/meson.build
++++ b/meson.build
+@@ -1040,7 +1040,7 @@ elif cc.has_header_symbol('sys/mkdev.h', 'major')
+   pre_args += '-DMAJOR_IN_MKDEV'
+ endif
+ 
+-foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h']
++foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h']
+   if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
+     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
+   endif
+diff --git a/src/gallium/auxiliary/util/u_debug_symbol.c b/src/gallium/auxiliary/util/u_debug_symbol.c
+index 22e6c8c..d8380b7 100644
+--- a/src/gallium/auxiliary/util/u_debug_symbol.c
++++ b/src/gallium/auxiliary/util/u_debug_symbol.c
+@@ -219,7 +219,7 @@ debug_symbol_name_dbghelp(const void *addr, char* buf, unsigned size)
+ #endif /* PIPE_OS_WINDOWS */
+ 
+ 
+-#if defined(__GLIBC__) && !defined(__UCLIBC__)
++#if defined(HAVE_EXECINFO_H)
+ 
+ #include <execinfo.h>
+ 
+@@ -240,7 +240,7 @@ debug_symbol_name_glibc(const void *addr, char* buf, unsigned size)
+    return TRUE;
+ }
+ 
+-#endif /* defined(__GLIBC__) && !defined(__UCLIBC__) */
++#endif /* defined(HAVE_EXECINFO_H) */
+ 
+ 
+ void
+@@ -252,11 +252,11 @@ debug_symbol_name(const void *addr, char* buf, unsigned size)
+    }
+ #endif
+ 
+-#if defined(__GLIBC__) && !defined(__UCLIBC__)
++#if defined(HAVE_EXECINFO_H)
+    if (debug_symbol_name_glibc(addr, buf, size)) {
+        return;
+    }
+-#endif
++#endif /* defined(HAVE_EXECINFO_H) */
+ 
+    util_snprintf(buf, size, "%p", addr);
+    buf[size - 1] = 0;
+diff --git a/src/mapi/glapi/gen/gl_gentable.py b/src/mapi/glapi/gen/gl_gentable.py
+index 9d8923c..92e1a54 100644
+--- a/src/mapi/glapi/gen/gl_gentable.py
++++ b/src/mapi/glapi/gen/gl_gentable.py
+@@ -45,7 +45,7 @@ header = """/* GLXEXT is the define used in the xserver when the GLX extension i
+ #endif
+ 
+ #if (defined(GLXEXT) && defined(HAVE_BACKTRACE)) \\
+-	|| (!defined(GLXEXT) && defined(DEBUG) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__))
++	|| (!defined(GLXEXT) && defined(DEBUG) && defined(HAVE_EXECINFO_H))
+ #define USE_BACKTRACE
+ #endif
+ 
+diff --git a/src/mesa/drivers/dri/i915/intel_regions.c b/src/mesa/drivers/dri/i915/intel_regions.c
+index fee7348..803ea93 100644
+--- a/src/mesa/drivers/dri/i915/intel_regions.c
++++ b/src/mesa/drivers/dri/i915/intel_regions.c
+@@ -57,7 +57,7 @@
+  */
+ #define DEBUG_BACKTRACE_SIZE 0
+ 
+-#if DEBUG_BACKTRACE_SIZE == 0
++#if DEBUG_BACKTRACE_SIZE == 0 || !defined(HAVE_EXECINFO_H)
+ /* Use the standard debug output */
+ #define _DBG(...) DBG(__VA_ARGS__)
+ #else
+-- 
+2.21.0
+

diff --git a/media-libs/mesa/mesa-19.1.0_rc1.ebuild b/media-libs/mesa/mesa-19.1.0_rc1.ebuild
new file mode 100644
index 0000000..c15e899
--- /dev/null
+++ b/media-libs/mesa/mesa-19.1.0_rc1.ebuild
@@ -0,0 +1,545 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python3_5 python3_6 python3_7 )
+
+inherit llvm meson multilib-minimal pax-utils python-any-r1
+
+OPENGL_DIR="xorg-x11"
+
+MY_P="${P/_/-}"
+
+DESCRIPTION="OpenGL-like graphic library for Linux"
+HOMEPAGE="https://www.mesa3d.org/ https://mesa.freedesktop.org/"
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://gitlab.freedesktop.org/mesa/mesa.git"
+	EXPERIMENTAL="true"
+	inherit git-r3
+else
+	SRC_URI="https://mesa.freedesktop.org/archive/${MY_P}.tar.xz"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~sparc-solaris ~x64-solaris ~x86-solaris"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+RESTRICT="
+	!test? ( test )
+"
+
+RADEON_CARDS="r100 r200 r300 r600 radeon radeonsi"
+VIDEO_CARDS="${RADEON_CARDS} freedreno i915 i965 intel iris nouveau vc4 virgl vivante vmware"
+for card in ${VIDEO_CARDS}; do
+	IUSE_VIDEO_CARDS+=" video_cards_${card}"
+done
+
+IUSE="${IUSE_VIDEO_CARDS}
+	+classic d3d9 debug +dri3 +egl +gallium +gbm gles1 +gles2 +libglvnd +llvm
+	lm_sensors opencl osmesa pax_kernel pic selinux test unwind vaapi valgrind
+	vdpau vulkan vulkan-overlay wayland xa xvmc"
+
+REQUIRED_USE="
+	d3d9?   ( dri3 || ( video_cards_iris video_cards_r300 video_cards_r600 video_cards_radeonsi video_cards_nouveau video_cards_vmware ) )
+	gles1?  ( egl )
+	gles2?  ( egl )
+	vulkan? ( dri3
+			  || ( video_cards_i965 video_cards_iris video_cards_radeonsi )
+			  video_cards_radeonsi? ( llvm ) )
+	vulkan-overlay? ( vulkan )
+	wayland? ( egl gbm )
+	video_cards_freedreno?  ( gallium )
+	video_cards_intel?  ( classic )
+	video_cards_i915?   ( || ( classic gallium ) )
+	video_cards_i965?   ( classic )
+	video_cards_iris?   ( gallium )
+	video_cards_nouveau? ( || ( classic gallium ) )
+	video_cards_radeon? ( || ( classic gallium )
+						  gallium? ( x86? ( llvm ) amd64? ( llvm ) ) )
+	video_cards_r100?   ( classic )
+	video_cards_r200?   ( classic )
+	video_cards_r300?   ( gallium x86? ( llvm ) amd64? ( llvm ) )
+	video_cards_r600?   ( gallium )
+	video_cards_radeonsi?   ( gallium llvm )
+	video_cards_vc4? ( gallium )
+	video_cards_virgl? ( gallium )
+	video_cards_vivante? ( gallium gbm )
+	video_cards_vmware? ( gallium )
+"
+
+LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.97"
+RDEPEND="
+	!app-eselect/eselect-mesa
+	>=dev-libs/expat-2.1.0-r3:=[${MULTILIB_USEDEP}]
+	>=sys-libs/zlib-1.2.8[${MULTILIB_USEDEP}]
+	>=x11-libs/libX11-1.6.2:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libxshmfence-1.1:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libXdamage-1.1.4-r1:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libXext-1.3.2:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libXxf86vm-1.1.3:=[${MULTILIB_USEDEP}]
+	>=x11-libs/libxcb-1.13:=[${MULTILIB_USEDEP}]
+	x11-libs/libXfixes:=[${MULTILIB_USEDEP}]
+	libglvnd? (
+		media-libs/libglvnd[${MULTILIB_USEDEP}]
+		!app-eselect/eselect-opengl
+	)
+	!libglvnd? (
+		>=app-eselect/eselect-opengl-1.3.0
+	)
+	gallium? (
+		unwind? ( sys-libs/libunwind[${MULTILIB_USEDEP}] )
+		llvm? (
+			video_cards_radeonsi? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+			video_cards_r600? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+			video_cards_radeon? (
+				virtual/libelf:0=[${MULTILIB_USEDEP}]
+			)
+		)
+		lm_sensors? ( sys-apps/lm_sensors:=[${MULTILIB_USEDEP}] )
+		opencl? (
+					dev-libs/ocl-icd[khronos-headers,${MULTILIB_USEDEP}]
+					dev-libs/libclc
+					virtual/libelf:0=[${MULTILIB_USEDEP}]
+				)
+		vaapi? (
+			>=x11-libs/libva-1.7.3:=[${MULTILIB_USEDEP}]
+			video_cards_nouveau? ( !<=x11-libs/libva-vdpau-driver-0.7.4-r3 )
+		)
+		vdpau? ( >=x11-libs/libvdpau-1.1:=[${MULTILIB_USEDEP}] )
+		xvmc? ( >=x11-libs/libXvMC-1.0.8:=[${MULTILIB_USEDEP}] )
+	)
+	wayland? (
+		>=dev-libs/wayland-1.15.0:=[${MULTILIB_USEDEP}]
+		>=dev-libs/wayland-protocols-1.8
+	)
+	${LIBDRM_DEPSTRING}[video_cards_freedreno?,video_cards_nouveau?,video_cards_vc4?,video_cards_vivante?,video_cards_vmware?,${MULTILIB_USEDEP}]
+
+	video_cards_intel? (
+		!video_cards_i965? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+	)
+	video_cards_i915? ( ${LIBDRM_DEPSTRING}[video_cards_intel] )
+"
+for card in ${RADEON_CARDS}; do
+	RDEPEND="${RDEPEND}
+		video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] )
+	"
+done
+RDEPEND="${RDEPEND}
+	video_cards_radeonsi? ( ${LIBDRM_DEPSTRING}[video_cards_amdgpu] )
+"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling one than more slot
+# simultaneously.
+#
+# How to use it:
+# 1. List all the working slots (with min versions) in ||, newest first.
+# 2. Update the := to specify *max* version, e.g. < 10.
+# 3. Specify LLVM_MAX_SLOT, e.g. 9.
+LLVM_MAX_SLOT="9"
+LLVM_DEPSTR="
+	|| (
+		sys-devel/llvm:9[${MULTILIB_USEDEP}]
+		sys-devel/llvm:8[${MULTILIB_USEDEP}]
+		sys-devel/llvm:7[${MULTILIB_USEDEP}]
+	)
+	sys-devel/llvm:=[${MULTILIB_USEDEP}]
+"
+LLVM_DEPSTR_AMDGPU=${LLVM_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+CLANG_DEPSTR=${LLVM_DEPSTR//llvm/clang}
+CLANG_DEPSTR_AMDGPU=${CLANG_DEPSTR//]/,llvm_targets_AMDGPU(-)]}
+RDEPEND="${RDEPEND}
+	llvm? (
+		opencl? (
+			video_cards_r600? (
+				${CLANG_DEPSTR_AMDGPU}
+			)
+			!video_cards_r600? (
+				video_cards_radeonsi? (
+					${CLANG_DEPSTR_AMDGPU}
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeonsi? (
+					video_cards_radeon? (
+						${CLANG_DEPSTR_AMDGPU}
+					)
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeon? (
+					!video_cards_radeonsi? (
+						${CLANG_DEPSTR}
+					)
+				)
+			)
+		)
+		!opencl? (
+			video_cards_r600? (
+				${LLVM_DEPSTR_AMDGPU}
+			)
+			!video_cards_r600? (
+				video_cards_radeonsi? (
+					${LLVM_DEPSTR_AMDGPU}
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeonsi? (
+					video_cards_radeon? (
+						${LLVM_DEPSTR_AMDGPU}
+					)
+				)
+			)
+			!video_cards_r600? (
+				!video_cards_radeon? (
+					!video_cards_radeonsi? (
+						${LLVM_DEPSTR}
+					)
+				)
+			)
+		)
+	)
+"
+unset {LLVM,CLANG}_DEPSTR{,_AMDGPU}
+
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	opencl? (
+		>=sys-devel/gcc-4.6
+	)
+	sys-devel/bison
+	sys-devel/flex
+	sys-devel/gettext
+	virtual/pkgconfig
+	valgrind? ( dev-util/valgrind )
+	x11-base/xorg-proto
+	x11-libs/libXrandr[${MULTILIB_USEDEP}]
+	$(python_gen_any_dep ">=dev-python/mako-0.8.0[\${PYTHON_USEDEP}]")
+"
+
+S="${WORKDIR}/${MY_P}"
+EGIT_CHECKOUT_DIR=${S}
+
+QA_WX_LOAD="
+x86? (
+	!pic? (
+		usr/lib*/libglapi.so.0.0.0
+		usr/lib*/libGLESv1_CM.so.1.0.0
+		usr/lib*/libGLESv2.so.2.0.0
+		usr/lib*/libGL.so.1.2.0
+		usr/lib*/libOSMesa.so.8.0.0
+	)
+)"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-19.1.0-execinfo.patch
+	"${FILESDIR}"/${PN}-18-musl-invocation_name.patch
+	"${FILESDIR}"/${PN}-18-musl-pthread.patch
+	"${FILESDIR}"/${PN}-18-musl-amdgpu-include-pthread.patch
+	"${FILESDIR}"/${PN}-18.2.4-add-disable-tls-support.patch
+)
+
+llvm_check_deps() {
+	local flags=${MULTILIB_USEDEP}
+	if use video_cards_r600 || use video_cards_radeon || use video_cards_radeonsi
+	then
+		flags+=",llvm_targets_AMDGPU(-)"
+	fi
+
+	if use opencl; then
+		has_version "sys-devel/clang[${flags}]" || return 1
+	fi
+	has_version "sys-devel/llvm[${flags}]"
+}
+
+pkg_pretend() {
+	if use opencl; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi; then
+			ewarn "Ignoring USE=opencl     since VIDEO_CARDS does not contain r600 or radeonsi"
+		fi
+	fi
+
+	if use vaapi; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=vaapi      since VIDEO_CARDS does not contain r600, radeonsi, or nouveau"
+		fi
+	fi
+
+	if use vdpau; then
+		if ! use video_cards_r300 &&
+		   ! use video_cards_r600 &&
+		   ! use video_cards_radeonsi &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=vdpau      since VIDEO_CARDS does not contain r300, r600, radeonsi, or nouveau"
+		fi
+	fi
+
+	if use xa; then
+		if ! use video_cards_freedreno &&
+		   ! use video_cards_nouveau &&
+		   ! use video_cards_vmware; then
+			ewarn "Ignoring USE=xa         since VIDEO_CARDS does not contain freedreno, nouveau, or vmware"
+		fi
+	fi
+
+	if use xvmc; then
+		if ! use video_cards_r600 &&
+		   ! use video_cards_nouveau; then
+			ewarn "Ignoring USE=xvmc       since VIDEO_CARDS does not contain r600 or nouveau"
+		fi
+	fi
+
+	if ! use gallium; then
+		use lm_sensors && ewarn "Ignoring USE=lm_sensors since USE does not contain gallium"
+		use llvm       && ewarn "Ignoring USE=llvm       since USE does not contain gallium"
+		use opencl     && ewarn "Ignoring USE=opencl     since USE does not contain gallium"
+		use vaapi      && ewarn "Ignoring USE=vaapi      since USE does not contain gallium"
+		use vdpau      && ewarn "Ignoring USE=vdpau      since USE does not contain gallium"
+		use unwind     && ewarn "Ignoring USE=unwind     since USE does not contain gallium"
+		use xa         && ewarn "Ignoring USE=xa         since USE does not contain gallium"
+		use xvmc       && ewarn "Ignoring USE=xvmc       since USE does not contain gallium"
+	fi
+
+	if ! use llvm; then
+		use opencl     && ewarn "Ignoring USE=opencl     since USE does not contain llvm"
+	fi
+}
+
+python_check_deps() {
+	has_version --host-root ">=dev-python/mako-0.8.0[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	# warning message for bug 459306
+	if use llvm && has_version sys-devel/llvm[!debug=]; then
+		ewarn "Mismatch between debug USE flags in media-libs/mesa and sys-devel/llvm"
+		ewarn "detected! This can cause problems. For details, see bug 459306."
+	fi
+
+	if use llvm; then
+		llvm_pkg_setup
+	fi
+	python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	local emesonargs=()
+
+	if use classic; then
+		# Intel code
+		dri_driver_enable video_cards_i915 i915
+		dri_driver_enable video_cards_i965 i965
+		if ! use video_cards_i915 && \
+			! use video_cards_i965; then
+			dri_driver_enable video_cards_intel i915 i965
+		fi
+
+		# Nouveau code
+		dri_driver_enable video_cards_nouveau nouveau
+
+		# ATI code
+		dri_driver_enable video_cards_r100 r100
+		dri_driver_enable video_cards_r200 r200
+		if ! use video_cards_r100 && \
+			! use video_cards_r200; then
+			dri_driver_enable video_cards_radeon r100 r200
+		fi
+	fi
+
+	emesonargs+=( -Dplatforms=x11,surfaceless$(use wayland && echo ",wayland")$(use gbm && echo ",drm") )
+
+	if use gallium; then
+		emesonargs+=(
+			$(meson_use llvm)
+			$(meson_use lm_sensors lmsensors)
+			$(meson_use unwind libunwind)
+		)
+
+		if use video_cards_iris ||
+		   use video_cards_r300 ||
+		   use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau ||
+		   use video_cards_vmware; then
+			emesonargs+=($(meson_use d3d9 gallium-nine))
+		else
+			emesonargs+=(-Dgallium-nine=false)
+		fi
+
+		if use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_use vaapi gallium-va))
+			use vaapi && emesonargs+=( -Dva-libs-path="${EPREFIX}"/usr/$(get_libdir)/va/drivers )
+		else
+			emesonargs+=(-Dgallium-va=false)
+		fi
+
+		if use video_cards_r300 ||
+		   use video_cards_r600 ||
+		   use video_cards_radeonsi ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_use vdpau gallium-vdpau))
+		else
+			emesonargs+=(-Dgallium-vdpau=false)
+		fi
+
+		if use video_cards_freedreno ||
+		   use video_cards_nouveau ||
+		   use video_cards_vmware; then
+			emesonargs+=($(meson_use xa gallium-xa))
+		else
+			emesonargs+=(-Dgallium-xa=false)
+		fi
+
+		if use video_cards_r600 ||
+		   use video_cards_nouveau; then
+			emesonargs+=($(meson_use xvmc gallium-xvmc))
+		else
+			emesonargs+=(-Dgallium-xvmc=false)
+		fi
+
+		if use video_cards_freedreno ||
+		   use video_cards_vc4 ||
+		   use video_cards_vivante; then
+			gallium_enable -- kmsro
+		fi
+
+		gallium_enable video_cards_vc4 vc4
+		gallium_enable video_cards_vivante etnaviv
+		gallium_enable video_cards_vmware svga
+		gallium_enable video_cards_nouveau nouveau
+
+		# Only one i915 driver (classic vs gallium). Default to classic.
+		if ! use classic; then
+			gallium_enable video_cards_i915 i915
+			if ! use video_cards_i915 && \
+				! use video_cards_i965; then
+				gallium_enable video_cards_intel i915
+			fi
+		fi
+
+		gallium_enable video_cards_iris iris
+
+		gallium_enable video_cards_r300 r300
+		gallium_enable video_cards_r600 r600
+		gallium_enable video_cards_radeonsi radeonsi
+		if ! use video_cards_r300 && \
+			! use video_cards_r600; then
+			gallium_enable video_cards_radeon r300 r600
+		fi
+
+		gallium_enable video_cards_freedreno freedreno
+		gallium_enable video_cards_virgl virgl
+
+		# opencl stuff
+		emesonargs+=(
+			-Dgallium-opencl="$(usex opencl icd disabled)"
+		)
+	fi
+
+	if use vulkan; then
+		vulkan_enable video_cards_i965 intel
+		vulkan_enable video_cards_iris intel
+		vulkan_enable video_cards_radeonsi amd
+	fi
+
+	# x86 hardened pax_kernel needs glx-rts, bug 240956
+	if [[ ${ABI} == x86 ]]; then
+		emesonargs+=( $(meson_use pax_kernel glx-read-only-text) )
+	fi
+
+	# on abi_x86_32 hardened we need to have asm disable
+	if [[ ${ABI} == x86* ]] && use pic; then
+		emesonargs+=( -Dasm=false )
+	fi
+
+	if use gallium; then
+		gallium_enable -- swrast
+		emesonargs+=( -Dosmesa=$(usex osmesa gallium none) )
+	else
+		dri_driver_enable -- swrast
+		emesonargs+=( -Dosmesa=$(usex osmesa classic none) )
+	fi
+
+	driver_list() {
+		local drivers="$(sort -u <<< "${1// /$'\n'}")"
+		echo "${drivers//$'\n'/,}"
+	}
+
+	emesonargs+=(
+		$(meson_use test build-tests)
+		-Dglx=dri
+		-Dshared-glapi=true
+		$(meson_use dri3)
+		$(meson_use egl)
+		$(meson_use gbm)
+		$(meson_use gles1)
+		$(meson_use gles2)
+		$(meson_use libglvnd glvnd)
+		$(meson_use selinux)
+		-Dvalgrind=$(usex valgrind auto false)
+		-Ddri-drivers=$(driver_list "${DRI_DRIVERS[*]}")
+		-Dgallium-drivers=$(driver_list "${GALLIUM_DRIVERS[*]}")
+		-Dvulkan-drivers=$(driver_list "${VULKAN_DRIVERS[*]}")
+		$(meson_use vulkan-overlay vulkan-overlay-layer)
+		--buildtype $(usex debug debug plain)
+		-Db_ndebug=$(usex debug false true)
+	)
+	meson_src_configure
+}
+
+multilib_src_compile() {
+	meson_src_compile
+}
+
+multilib_src_install() {
+	meson_src_install
+
+	use libglvnd && rm -f "${D}"/usr/$(get_libdir)/libGLESv{1_CM,2}.so*
+}
+
+multilib_src_install_all() {
+	einstalldocs
+}
+
+multilib_src_test() {
+	meson test -v -C "${BUILD_DIR}" -t 100
+}
+
+pkg_postinst() {
+	# Switch to the xorg implementation.
+	echo
+	eselect opengl set --use-old ${OPENGL_DIR}
+}
+
+# $1 - VIDEO_CARDS flag (check skipped for "--")
+# other args - names of DRI drivers to enable
+dri_driver_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		DRI_DRIVERS+=("$@")
+	fi
+}
+
+gallium_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		GALLIUM_DRIVERS+=("$@")
+	fi
+}
+
+vulkan_enable() {
+	if [[ $1 == -- ]] || use $1; then
+		shift
+		VULKAN_DRIVERS+=("$@")
+	fi
+}

diff --git a/media-libs/mesa/metadata.xml b/media-libs/mesa/metadata.xml
index 23679a7..1adb4bf 100644
--- a/media-libs/mesa/metadata.xml
+++ b/media-libs/mesa/metadata.xml
@@ -24,6 +24,7 @@
 		<flag name="valgrind">Compile in valgrind memory hints</flag>
 		<flag name="vdpau">Enable the VDPAU acceleration interface for the Gallium3D Video Layer.</flag>
 		<flag name="vulkan">Enable Vulkan drivers</flag>
+		<flag name="vulkan-overlay">Build vulkan-overlay-layer which displays Frames Per Second and other statistics</flag>
 		<flag name="wayland">Enable support for dev-libs/wayland</flag>
 		<flag name="xa">Enable the XA (X Acceleration) API for Gallium3D.</flag>
 		<flag name="xvmc">Enable the XvMC acceleration interface for the Gallium3D Video Layer.</flag>