# 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=	11.2.2
# if there is a subversion, don't include the '-' between 7.11-rc2.
MESASUBVERSION=

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

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

MAINTAINER=	x11@FreeBSD.org

BUILD_DEPENDS+=	makedepend:devel/makedepend
LIB_DEPENDS+=	libdevq.so:devel/libdevq

USES+=		compiler:c++11-lib bison gettext-tools gmake libtool \
		pathfix pkgconfig python:2,build shebangfix tar:xz
USE_LDCONFIG=	yes
GNU_CONFIGURE=	yes
CPPFLAGS+=	-isystem${LOCALBASE}/include
LDFLAGS+=	-Wl,-Y/usr/lib:${LOCALBASE}/lib

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

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

.if ${OSVERSION} < 1000033
BUILD_DEPENDS+=	${LOCALBASE}/bin/flex:textproc/flex
CONFIGURE_ENV+=	ac_cv_prog_LEX=${LOCALBASE}/bin/flex
.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-//}

MESA_LLVM_VER=37

CONFIGURE_ARGS+=	--with-sha1=libcrypto

# DRI3 needs PRIME support in the kernel to work
CONFIGURE_ARGS+=	--disable-dri3

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+=	--enable-glx-tls

# libEGL, dri and clover need gallium enabled.
# the third option in --with-egl-platforms is wayland.
CONFIGURE_ARGS+=	--enable-egl --with-egl-platforms=x11,drm

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

CONFIGURE_ARGS+=	--enable-gles2

# Clover (OpenCL).
.if ${OPSYS} == DragonFly || \
	(${OPSYS} == FreeBSD && \
		(${OSVERSION} >= 1001000 && ${ARCH} == amd64 || \
		${OSVERSION} >= 1001000 && ${ARCH} == i386))

BUILD_DEPENDS+=	libclc>=0.0.r222830: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

# gallium
BUILD_DEPENDS+= llvm${MESA_LLVM_VER}>=3.7.l_1:devel/llvm${MESA_LLVM_VER}
.if ${COMPONENT:Mdri} != "" || ${COMPONENT:Mclover} != "" || ${COMPONENT:Megl} != ""
RUN_DEPENDS+=   llvm${MESA_LLVM_VER}>=3.7.1_1:devel/llvm${MESA_LLVM_VER}
.endif

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

CONFIGURE_ARGS+=--enable-gallium-llvm \
                --enable-xvmc

.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 R200 RADEON SWRAST
ALL_GALLIUM_DRIVERS=R300 R600 RADEONSI SVGA SWRAST

.if ${ARCH} == amd64 || ${ARCH} == i386 || ${ARCH} == ia64
DRI_DRIVERS=	${ALL_DRI_DRIVERS}
GALLIUM_DRIVERS=	${ALL_GALLIUM_DRIVERS}
.endif

.if ${ARCH} == powerpc || ${ARCH} == powerpc64
DRI_DRIVERS=	RADEON SWRAST
GALLIUM_DRIVERS=	RADEONSI SWRAST
.endif

.if ${ARCH} == sparc64 || ${ARCH} == armv6
DRI_DRIVERS=	SWRAST
GALLIUM_DRIVERS=	SWRAST
.endif

# empty for unsupported arches
DRI_DRIVERS+=
GALLIUM_DRIVERS+=

.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

CONFIGURE_ARGS+=--with-gallium-drivers="${GALLIUM_DRIVERS:tl}"

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