# Copyright (c) 2008 Daniel Mierswa <impulze@impulze.org>
# Distributed under the terms of the GNU General Public License v2

SCM_REPOSITORY="git://anongit.freedesktop.org/git/nouveau/mesa"
SCM_BRANCH="gallium-0.1"
require eutils multilib scm-git toolchain-funcs

SUMMARY="nouveau mesa driver"
DESCRIPTION="The nouveau driver for the mesa OpenGL implementation."
HOMEPAGE="http://nouveau.freedesktop.org/wiki/GalliumHowto"

LICENCES="FIXME"
SLOT="0"
PLATFORMS="~amd64 ~x86"
MYOPTIONS="platform:amd64 platform:x86"

DEPENDENCIES="
    build+run:
        x11-dri/mesa
"

get_target() {
    option platform:amd64 && TARGET="linux-dri-x86-64"
    option platform:x86 && TARGET="linux-dri-x86"
    [[ -z "${TARGET}" ]] \
        && die "Sorry, I don't know how to build gallium for your platform."
}

src_prepare() {
    get_target
    sed \
        -e '/^ARCH_FLAGS/s: = : = -DGLX_USE_TLS :' \
        -i "configs/${TARGET}" \
        || die "sed configs/${TARGET} failed"
    sed \
        -e '/^OPT_FLAGS  =/s:=.*:=:' \
        -e "/^CFLAGS = /s:= := ${CFLAGS} :" \
        -e "/^CXXFLAGS = /s:= := ${CXXFLAGS} :" \
        -i "configs/linux-dri" \
        || die "sed configs/linux-dri failed"
}

src_compile() {
    get_target 
    emake DRI_DIRS="nouveau" "${TARGET}" \
        CC=$(tc-getCC) \
        CXX=$(tc-getCXX)
}

src_install() {
    mkdir -p "${IMAGE}/usr/$(get_libdir)/dri" || die "mkdir failed"
    cp "$(get_libdir)/nouveau_dri.so" "${IMAGE}/usr/$(get_libdir)/dri" || die "cp failed"
    bin/installmesa "${IMAGE}/usr/$(get_libdir)/opengl/gallium" \
        || die "bin/installmesa failed"

    cd "${IMAGE}/usr/$(get_libdir)/opengl/gallium" || die "cd failed"
    mv include/{GL/*,} || die "mv failed"
    rmdir include/GL || die "rmdir failed"
}

pkg_postinst() {
    einfo "If you encounter a black screen while rendering, you may have to add"
    einfo " Option \"GlxVisuals\" \"all\""
    einfo "to your xorg.conf, see ${HOMEPAGE}."
}