# Forked from Alpine to build Purism's source tree with vivante GPU related patches
pkgname=mesa-purism-gc7000
provides=mesa
pkgver=19.0.0_git20190403
pkgrel=0
_sha="d6d5b5401ea604dc2e5e5c3ef50d7df2ff4a6f38"
pkgdesc="Mesa DRI OpenGL library"
url="https://www.mesa3d.org"
arch="aarch64"
license="MIT SGI-B-2.0 BSL-1.0"
subpackages="
	$pkgname-dev
	$pkgname-dri-etnaviv:_dri
	$pkgname-dri-swrast:_dri
	$pkgname-glapi $pkgname-egl $pkgname-gl $pkgname-gles
	$pkgname-osmesa $pkgname-gbm
	"
depends_dev="
	libdrm-dev
	libxext-dev
	libxdamage-dev
	libxcb-dev
	libxshmfence-dev
	"
makedepends="
	$depends_dev
	bison
	eudev-dev
	expat-dev
	flex
	gettext
	elfutils-libelf
	libtool
	libxfixes-dev
	libva-dev
	libvdpau-dev
	libx11-dev
	libxrandr-dev
	libxxf86vm-dev
	libxt-dev
	libxvmc-dev
	makedepend
	py-mako
	py3-libxml2
	python3
	talloc-dev
	wayland-dev
	wayland-protocols
	xorgproto
	zlib-dev
	meson
	ninja
	"
source="
	https://source.puri.sm/guido.gunther/mesa/-/archive/${_sha}/mesa-${_sha}.tar.gz
	10-adjust-cache-deflate-buffer.patch
	20-musl.patch
	meson-add-toggle-for-TLS-support-in-GLX.patch
	"
replaces="mesa-dricore"

_dri_driverdir=/usr/lib/dri
_dri_driverdir_x11=/usr/lib/xorg/modules/dri
_dri_drivers=""
_gallium_drivers="swrast,kmsro,etnaviv"
_vulkan_drivers=""
_arch_opts=

builddir="$srcdir/mesa-${_sha}"


build() {
	cd "$builddir"

	export CFLAGS="$CFLAGS -D_XOPEN_SOURCE=700"
	mkdir "$builddir"/build
	meson -Ddri-search-path="$_dri_driverdir" \
		-Dgallium-drivers="$_gallium_drivers" \
		-Ddri-drivers="$_dri_drivers" \
		-Dvulkan-drivers="$_vulkan_drivers" \
		-Dplatforms=x11,wayland,drm \
		-Ddri3=true \
		-Degl=true \
		-Dglx=dri \
		-Dgles1=true \
		-Dgles2=true \
		-Dshared-glapi=true \
		-Dosmesa=gallium \
		-Dgbm=true \
		-Dglx-tls=false \
		-Dprefix="$pkgdir"/usr "$builddir"/build
	ninja -C "$builddir"/build
}

package() {
	cd "$builddir"
	ninja -C "$builddir"/build install
}

egl() {
	pkgdesc="Mesa libEGL runtime libraries"
	replaces="$pkgname"

	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libEGL.so* "$subpkgdir"/usr/lib/
}

gl() {
	pkgdesc="Mesa libGL runtime libraries"
	replaces="$pkgname"

	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libGL.so* "$subpkgdir"/usr/lib/
}

glapi() {
	pkgdesc="Mesa shared glapi"
	replaces="$pkgname-gles"

	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libglapi.so.* "$subpkgdir"/usr/lib/
}

gles() {
	pkgdesc="Mesa libGLESv2 runtime libraries"
	replaces="$pkgname"

	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libGLES*.so* "$subpkgdir"/usr/lib/
}


osmesa() {
	pkgdesc="Mesa offscreen rendering libraries"

	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libOSMesa.so.* "$subpkgdir"/usr/lib/
}

gbm() {
	pkgdesc="Mesa gbm library"
	replaces="$pkgname"

	install -d "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/libgbm.so.* "$subpkgdir"/usr/lib/
}

_mv_dri() {
	install -d "$subpkgdir"/$_dri_driverdir
	install -d "$subpkgdir"/$_dri_driverdir_x11

	while [ $# -gt 0 ]; do
		mv "$pkgdir"/$_dri_driverdir/${1}.so \
			"$subpkgdir"/$_dri_driverdir/
		shift

		ln -s $_dri_driverdir/${1}.so \
			"$subpkgdir"/$_dri_driverdir_x11/${1}.so
	done
}

_mv_vdpau() {
	local i
	install -d "$subpkgdir"/usr/lib/vdpau
	for i in "$@"; do
		mv "$pkgdir"/usr/lib/vdpau/libvdpau_$i.* \
			"$subpkgdir"/usr/lib/vdpau/
	done
}

_mv_gpipe() {
	return 0
	# http://cgit.freedesktop.org/mesa/mesa/commit/?id=44ec468e8033553c26a112cebba41c343db00eb1
	# https://code.google.com/p/chromium/issues/detail?id=412089
#	local i
#	install -d "$subpkgdir"/usr/lib/gallium-pipe
#	for i in "$@"; do
#		mv "$pkgdir"/usr/lib/gallium-pipe/pipe_$i.* \
#			"$subpkgdir"/usr/lib/gallium-pipe/
#	done
}



_mv_va() {
	local i
	install -d "$subpkgdir"/usr/lib/dri
	for i in "$@"; do
		mv "$pkgdir"/usr/lib/dri/${i}_drv_video.so \
			"$subpkgdir"/usr/lib/dri/
	done
}

_dri() {
	local n=${subpkgname##*-dri-}
	pkgdesc="Mesa DRI driver for $n"

	case $n in
	swrast)
		_mv_dri swrast_dri kms_swrast_dri && _mv_gpipe swrast
	;;
	etnaviv)
		_mv_dri etnaviv_dri imx-drm_dri
		;;
	esac
}

sha512sums="3ea07b0364538eac64f10ed9a10f3eb82b7aca1083b096401e114a73371f930535d05d290befeca79c5b9027c34efab0e314a16429837dff4f678ef59f2ffb1c  mesa-d6d5b5401ea604dc2e5e5c3ef50d7df2ff4a6f38.tar.gz
cdf22d2da3328e116c379264886bd01fd3ad5cc45fe03dc6fd97bdc4794502598ee195c0b9d975fa264d6ac31c6fa108c0535c91800ecf4fcabfd308e53074cc  10-adjust-cache-deflate-buffer.patch
02db65893d55b5667d9c3bc193fc089e5408596431e06363fe2adea00c9e3c4e80612f3d03dc61f931d1a6ae04340bccf55e1376cf00bbf2433990713649d286  20-musl.patch
a7bbc0d8836fe5eb7220c7b41d8af439878a3876302de32739243232f979ea9c63d2069fcd78bef370eafef0a21f491ef99219ae686e965326475764244bbe5d  meson-add-toggle-for-TLS-support-in-GLX.patch"