# --- T2-COPYRIGHT-NOTE-BEGIN ---
# T2 SDE: package/*/mesa/mesa.conf
# Copyright (C) 2008 - 2024 The T2 SDE Project
# 
# This Copyright note is generated by scripts/Create-CopyPatch,
# more information can be found in the files COPYING and README.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2.
# --- T2-COPYRIGHT-NOTE-END ---

if atstage cross; then
	# translate native llvm-config libraries to sysroot
	var_append GCC_WRAPPER_FILTER '|' "sed 's,$root/TOOLCHAIN.*libLLVM\(.*\)\.[as].*,-lLLVM\1,'"
	# remove native llvm-config include
	var_append GCC_WRAPPER_REMOVE ' ' "-I$root/TOOLCHAIN/cross/include"
	var_append GCC_WRAPPER_REMOVE ' ' "-isystem$root/TOOLCHAIN/cross/include"
	var_append GCC_WRAPPER_REMOVE ' ' "-L$root/TOOLCHAIN/cross/lib"

	var_append GCC_WRAPPER_INSERT ' ' "-I$root`pkgprefix includedir libxcb`"
fi

# binutils complains about corrupted Thin archives, so disable for now:
[ $arch = powerpc64 ] && hook_add inmake 5 "sed -i s/csrDT/csrD/ objdir/build.ninja"

var_append GCC_WRAPPER_REMOVE ' ' '-Werror=int-conversion' # at least x32 :-/

galdrv=
vuldrv=
platforms= # drm

pkginstalled libx11 && var_append platforms ',' 'x11'
pkginstalled wayland && var_append platforms ',' 'wayland'
pkginstalled libglvnd && var_append mesonopt ' ' '-Dglvnd=true'

if pkginstalled libdrm; then
    var_append mesonopt ' ' '-Dosmesa=true -Dgbm=enabled'
    var_append mesonopt ' ' '-Degl=enabled -Dglx=auto'
    var_append mesonopt ' ' '-Dplatforms=$platforms -Dgles1=enabled -Dgles2=enabled'
    var_append mesonopt ' ' '-Dvideo-codecs=h264dec,h264enc,h265dec,h265enc,vc1dec'

    var_append galdrv ',' "swrast,r600,nouveau,virgl,zink"
    [ "$arch_sizeof_char_p" = 8 ] && var_append galdrv ',' "i915"

    case "$arch" in
    alpha)
	var_remove galdrv ',' "i915"
	;;
    sparc)
	var_remove dridrv ',' "r100,r200,nouveau"
	var_remove galdrv ',' "r600,nouveau"
	;;
    superh)
	var_remove galdrv ',' "r600,nouveau"
	;;
    x86)
	var_remove galdrv ',' "i915"
	var_append galdrv ',' "svga"
	;;
    x86-64)
	var_append galdrv ',' "svga,crocus"
	;;
    esac
else
    var_append mesonopt ' ' '-Ddri3=disabled -Dglx=disabled'
fi

pkginstalled libxshmfence || var_append mesonopt ' ' '-Ddri3=disabled'

if pkginstalled llvm; then
    var_append mesonopt ' ' '-Dllvm=enabled -Dshared-llvm=enabled'
    var_append vuldrv ',' "swrast"

    if pkginstalled libdrm; then
	var_append mesonopt ' ' '-Dgallium-xa=enabled'

	var_append galdrv ',' "iris,r300,radeonsi"
	var_append vuldrv ',' "amd,imagination-experimental"
	pkginstalled rustc && var_append vuldrv ',' "nouveau-experimental"
	[ "$arch_sizeof_char_p" = 8 ] && var_append vuldrv ',' "intel"

	case $arch in
	sparc)
		var_remove galdrv ',' "r300,radeonsi"
		var_remove vuldrv ',' "amd"
		var_remove mesonopt ' ' '-Dgallium-xa=enabled'
		;;
	superh)
		var_remove mesonopt ' ' '-Dgallium-xa=enabled'
		;;
	arm*)
		# TODO: add asahi and all its new spirv libclc deps
		var_append galdrv ',' "etnaviv,freedreno,kmsro,lima,panfrost,tegra,v3d,vc4"
		var_append vuldrv ',' "broadcom,freedreno"
		;;
	esac
    fi
else
	var_append mesonopt ' ' '-Dllvm=false'
fi

pkginstalled vulkan-headers || var_remove galdrv ',' 'zink'

[ "$SDECFG_DEFAULT_CC" = clang ] && var_remove galdrv ',' "radeonsi" && var_remove valdrv ',' "amd"

var_append mesonopt ' ' "-Dvulkan-drivers=$vuldrv"
var_append mesonopt ' ' "-Dgallium-drivers=$galdrv"
var_append mesonopt ' ' '-Dshared-glapi=enabled'