# Makefile.common - shared code between MesaLib ports.
#
# !!! Here be dragons !!! (they seem to be everywhere these days)
#
# Remember to upgrade the following ports everytime you bump MESAVERSION:
#
#    - graphics/dri
#    - graphics/gbm
#    - graphics/libEGL
#    - graphics/libGL
#    - graphics/libglapi
#    - graphics/libglesv2
#    - graphics/libosmesa
#    - lang/clover
#
# $FreeBSD$

MESAVERSION=	${MESABASEVERSION}${MESASUBVERSION:C/^(.)/.\1/}
MESADISTVERSION=${MESABASEVERSION}${MESASUBVERSION:C/^(.)/-\1/}

MESABASEVERSION=	13.0.6
# if there is a subversion, don't include the '-' between 7.11-rc2.
MESASUBVERSION=

MASTER_SITES=	https://mesa.freedesktop.org/archive/ \
		https://mesa.freedesktop.org/archive/${MESABASEVERSION}/ \
		ftp://ftp.freedesktop.org/pub/mesa/ \
		ftp://ftp.freedesktop.org/pub/mesa/${MESABASEVERSION}/

DISTFILES=	mesa-${MESADISTVERSION}${EXTRACT_SUFX}

MAINTAINER=	x11@FreeBSD.org

BUILD_DEPENDS+=	makedepend:devel/makedepend

USES+=		compiler:c++11-lib bison gettext-tools gmake libtool \
		localbase pathfix pkgconfig python:2,build shebangfix tar:xz
USE_LDCONFIG=	yes
GNU_CONFIGURE=	yes

PKGINSTALL=	${.CURDIR}/pkg-install
PKGDEINSTALL=	${.CURDIR}/pkg-deinstall

# only have one port to check with portscout.
.if ${PORTNAME} != libGL
PORTSCOUT=	ignore:1
.endif

python_OLD_CMD=	"/usr/bin/env[[:space:]]python"
python_CMD=	${LOCALBASE}/bin/python2
SHEBANG_FILES=	src/gallium/*/*/*.py src/gallium/tools/trace/*.py \
		src/gallium/drivers/svga/svgadump/svga_dump.py \
		src/mapi/glapi/gen/*.py
SHEBANG_FILES+=	src/mapi/mapi_abi.py

MASTERDIR=		${.CURDIR}/../../graphics/libGL
PATCHDIR=		${MASTERDIR}/files
WRKSRC=			${WRKDIR}/mesa-${MESADISTVERSION}
DESCR=			${.CURDIR}/pkg-descr
PLIST=			${.CURDIR}/pkg-plist
INSTALL_TARGET=		install-strip

COMPONENT=		${PORTNAME:tl:C/^lib//:C/mesa-//}

.if (${ARCH} != sparc64 && ${ARCH} != ia64)	# no working LLVM
MESA_LLVM_VER?=	39
LDFLAGS+=	-Wl,-rpath=${LOCALBASE}/llvm${MESA_LLVM_VER}/lib
.endif

CONFIGURE_ARGS+=	--with-sha1=libcrypto

CONFIGURE_ARGS+=	--enable-gbm

# There are issues that need to be fixed to use TLS model "initial-exec"
# So stick with "global-dynamic"'s model for now. kan@ is working on a
# patch for rtld. We might want to backport global-dynamic or
# pthread_setspecific which it uses now by default. But since this
# configure switch is going away ...
# https://lists.freebsd.org/pipermail/freebsd-arch/2016-February/017699.html
CONFIGURE_ARGS+=	--disable-glx-tls

# libEGL, dri and clover need gallium enabled.
# the third option in --with-egl-platforms is wayland.
.if (${MESA_LLVM_VER} != "")
CONFIGURE_ARGS+=	--enable-egl --with-egl-platforms=x11,drm
.else
CONFIGURE_ARGS+=	--disable-egl
.endif

# we don't care about GLes v1
CONFIGURE_ARGS+=	--disable-gles1 --enable-gles2

# Clover (OpenCL).
.if ${OPSYS} == DragonFly || \
	(${OPSYS} == FreeBSD && \
		(${ARCH} == amd64 || ${ARCH} == i386))

BUILD_DEPENDS+=	libclc>=0.2.0.20160915:devel/libclc

# We need the clang port too even if it is not used to compile because
# Clover needs some of the clang includes to build.
.if ${COMPONENT:Mdri} != "" || ${COMPONENT:Mclover} != "" || ${COMPONENT:Mosmesa} != ""
_USES_pre_configure+=	290:clover-pre-configure

# .if !exists() evaluates too early before cairo has a chance to be installed
clover-pre-configure:
	@if [ -e ${LOCALBASE}/bin/llvm-config${MESA_LLVM_VER} ] && \
		! [ -e ${LOCALBASE}/bin/clang${MESA_LLVM_VER} ]; then \
		${ECHO_MSG} "Your llvm${MESA_LLVM_VER} is not build with clang support, which is required."; \
		${FALSE}; \
	fi
.endif

CONFIGURE_ARGS+=	--enable-opencl --enable-opencl-icd
.else
CONFIGURE_ARGS+=	--disable-opencl
.endif

CONFIGURE_ARGS+=	--enable-osmesa --enable-xvmc

# gallium
.if (${MESA_LLVM_VER} != "")
BUILD_DEPENDS+= llvm${MESA_LLVM_VER}>=3.9.0_4:devel/llvm${MESA_LLVM_VER}
.if ${COMPONENT:Mdri} != "" || ${COMPONENT:Mclover} != "" || ${COMPONENT:Megl} != ""
RUN_DEPENDS+=   llvm${MESA_LLVM_VER}>=3.9.0_4:devel/llvm${MESA_LLVM_VER}
.endif

CONFIGURE_ENV+= LLVM_CONFIG=${LOCALBASE}/bin/llvm-config${MESA_LLVM_VER}

CONFIGURE_ARGS+=	--enable-gallium-llvm --enable-llvm-shared-libs
.else
CONFIGURE_ARGS+=	--disable-gallium-llvm
.endif

.if ${PORT_OPTIONS:MTEXTURE}
CONFIGURE_ARGS+=--enable-texture-float
.endif

# only support on DragonFly. FreeBSD's drm doesn't support it.
.if ${OPSYS} == DragonFly && ${COMPONENT:Mdri} != ""
CONFIGURE_ARGS+=--enable-vdpau
LIB_DEPENDS+=   libvdpau.so:multimedia/libvdpau
PLIST_SUB+=     VDPAU=""
.else
CONFIGURE_ARGS+=--disable-vdpau
PLIST_SUB+=     VDPAU="@comment "
.endif

# VAAPI support?
CONFIGURE_ARGS+=--disable-va

ALL_DRI_DRIVERS=	I915 I965 RADEON R200 SWRAST
ALL_GALLIUM_DRIVERS=	R300 R600 RADEONSI SVGA SWRAST

.if ${ARCH} == amd64 || ${ARCH} == i386
DRI_DRIVERS=		I915 I965 RADEON R200
GALLIUM_DRIVERS=	R300 R600 RADEONSI SVGA
.endif

.if ${ARCH} == powerpc || ${ARCH} == powerpc64
DRI_DRIVERS=		RADEON R200
GALLIUM_DRIVERS=	R300 R600 RADEONSI
.endif

# software rendering for all arches
DRI_DRIVERS+=		SWRAST
GALLIUM_DRIVERS+=	SWRAST

.for _d in ${ALL_DRI_DRIVERS}
. if ${DRI_DRIVERS:M${_d}}
PLIST_SUB+=	${_d}_DRIVER=""
. else
PLIST_SUB+=	${_d}_DRIVER="@comment "
. endif
.endfor

CONFIGURE_ARGS+=--with-dri-drivers="${DRI_DRIVERS:tl}"

.for _gd in ${ALL_GALLIUM_DRIVERS}
. if ${GALLIUM_DRIVERS:M${_gd}}
PLIST_SUB+=	${_gd}_GDRIVER=""
. else
PLIST_SUB+=	${_gd}_GDRIVER="@comment "
. endif
.endfor

.if (${MESA_LLVM_VER} != "")
CONFIGURE_ARGS+=--with-gallium-drivers="${GALLIUM_DRIVERS:tl}"
.endif

.if ${OPSYS} == DragonFly
LIB_DEPENDS+= libelf.so:devel/libelf
.endif