# Maintainer: Jonathan Bakker <xc-racer2@live.ca>

pkgname=mesa-pvr-dri-classic
pkgver=20.3.2
pkgrel=3
pkgdesc="Mesa DRI OpenGL library with PowerVR patches"
url="https://github.com/xc-racer99/mesa-pvr/"
arch="armhf armv7 aarch64"
license="MIT SGI-B-2.0 BSL-1.0"
_llvmver=12
depends_dev="
	libdrm-dev
	libxext-dev
	libxdamage-dev
	libxcb-dev
	libxshmfence-dev
	"
makedepends="
	$depends_dev
	bison
	eudev-dev
	expat-dev
	findutils
	flex
	gettext
	elfutils-dev
	libtool
	libxfixes-dev
	libva-dev
	libvdpau-dev
	libx11-dev
	libxrandr-dev
	libxt-dev
	libxvmc-dev
	libxxf86vm-dev
	mesa-glapi
	llvm$_llvmver-dev
	makedepend
	meson
	py3-mako
	py3-libxml2
	python3
	talloc-dev
	wayland-dev
	wayland-protocols
	xorgproto
	zlib-dev
	zstd-dev
	"
depends="mesa sgx-ddk-um-soc"
subpackages="
	$pkgname-tinydm
"
_commit="5bd40a453e1484efea842be9a3f388adb5fac93c"
source="
	$pkgname-$_commit.tar.gz::https://github.com/freemangordon/mesa/archive/$_commit.tar.gz
	pvr-wayland.sh
	"
options="!check" # we skip tests intentionally
builddir="$srcdir/mesa-$_commit"

_dri_driverdir=/usr/lib/xorg/modules/dri
_dri_drivers="pvr"

build() {
	export CFLAGS="$CFLAGS -D_XOPEN_SOURCE=700"
	export MESA_GIT_SHA1_OVERRIDE=53b2b224dc2de982c37915a0ad218e33365ff75e

	python3 bin/git_sha1_gen.py --output include/git_sha1.h

	# Reasoning for gallium-drivers="swrast":
	# https://gitlab.com/postmarketOS/pmaports/-/merge_requests/2049#note_543436715
	abuild-meson \
		-Ddri-drivers-path=$_dri_driverdir \
		-Dgallium-drivers="swrast" \
		-Ddri-drivers=$_dri_drivers \
		-Dvulkan-drivers="" \
		-Dplatforms=x11,wayland \
		-Dllvm=true \
		-Dshared-llvm=true \
		-Dshared-glapi=true \
		-Dgbm=true \
		-Dglx=dri \
		-Dopengl=true \
		-Dgles1=false \
		-Dgles2=true \
		-Degl=true \
		-Db_ndebug=true \
		$_arch_opts \
		. output

	# Print config
	meson configure output

	# parallel build workaround
	ninja -C output src/compiler/nir/nir_intrinsics.h

	meson compile ${JOBS:+-j ${JOBS}} -C output
}

package() {
	install -Dm644 output/src/mesa/drivers/dri/libmesa_dri_drivers.so \
		"$pkgdir/$_dri_driverdir"/pvr_dri.so

	install -Dm644 output/src/gallium/targets/dri/libgallium_dri.so \
		"$pkgdir/$_dri_driverdir"/swrast.so
}

tinydm() {
	install_if="$pkgname tinydm"
	install -Dm755 "$srcdir"/pvr-wayland.sh \
		"$subpkgdir"/etc/tinydm.d/env-wayland.d/pvr-wayland.sh
}

sha512sums="
d182338e886fb8a1ee2e049beb8420155a2cb08ea9c0499409d82b1d33fdded790821e6c65dcb6ac519ca6c6c26fc1ba39b5decf1798b8e0cd85996d732204d5  mesa-pvr-dri-classic-5bd40a453e1484efea842be9a3f388adb5fac93c.tar.gz
0cbcf6b55a139822922e0cae1d1e5df72fd9d44a8afc69d94d6235c817485a9f06fc6ba8eb4f56057cc5b823370656564d117734bb17b8ad54a8012c89673acf  pvr-wayland.sh
"