summaryrefslogtreecommitdiff
path: root/media-gfx/blender/blender-4.2.1.ebuild
blob: 88bb85849015bb5aa778421c3d2bb6d969c7b304 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

PYTHON_COMPAT=( python3_{11..12} )
# NOTE must match media-libs/osl
LLVM_COMPAT=( {15..18} )
LLVM_OPTIONAL=1

inherit check-reqs cmake cuda flag-o-matic llvm-r1 pax-utils python-single-r1 toolchain-funcs xdg-utils

DESCRIPTION="3D Creation/Animation/Publishing System"
HOMEPAGE="https://www.blender.org"

if [[ ${PV} = *9999* ]] ; then
	EGIT_LFS="yes"
	inherit git-r3
	EGIT_REPO_URI="https://projects.blender.org/blender/blender.git"
	EGIT_SUBMODULES=( '*' '-lib/*' )
	RESTRICT="!test? ( test )"
else
	SRC_URI="
		https://download.blender.org/source/${P}.tar.xz
	"
	# 	test? (
	# 		https://projects.blender.org/blender/blender-test-data/archive/blender-v$(ver_cut 1-2)-release.tar.gz
	# 	)
	# "
	KEYWORDS="~amd64 ~arm ~arm64"
	RESTRICT="test" # the test archive returns LFS references.
fi

LICENSE="GPL-3+ cycles? ( Apache-2.0 )"
SLOT="${PV%.*}"
IUSE="
	alembic +bullet collada +color-management cuda +cycles +cycles-bin-kernels
	debug doc +embree experimental +ffmpeg +fftw +fluid +gmp gnome hip jack
	jemalloc jpeg2k man +nanovdb ndof nls +oidn oneapi openal +openexr +openmp +openpgl
	+opensubdiv +openvdb optix osl +otf +pdf +potrace +pugixml pulseaudio
	renderdoc sdl +sndfile +tbb test +tiff valgrind vulkan wayland +webp X
"

REQUIRED_USE="${PYTHON_REQUIRED_USE}
	alembic? ( openexr )
	cuda? ( cycles )
	cycles? ( openexr tiff tbb )
	fluid? ( tbb )
	gnome? ( wayland )
	hip? ( cycles )
	nanovdb? ( openvdb )
	openvdb? ( tbb openexr )
	optix? ( cuda )
	osl? ( cycles pugixml )
	test? ( color-management )"

# Library versions for official builds can be found in the blender source directory in:
# build_files/build_environment/cmake/versions.cmake
RDEPEND="${PYTHON_DEPS}
	app-arch/zstd
	dev-libs/boost:=[nls?]
	dev-libs/lzo:2=
	$(python_gen_cond_dep '
		dev-python/cython[${PYTHON_USEDEP}]
		dev-python/numpy[${PYTHON_USEDEP}]
		dev-python/zstandard[${PYTHON_USEDEP}]
		dev-python/requests[${PYTHON_USEDEP}]
	')
	media-libs/freetype:=[brotli]
	media-libs/libepoxy:=
	media-libs/libjpeg-turbo:=
	media-libs/libpng:=
	media-libs/libsamplerate
	>=media-libs/openimageio-2.5.6.0:=
	sys-libs/zlib:=
	virtual/glu
	virtual/libintl
	virtual/opengl
	alembic? ( >=media-gfx/alembic-1.8.3-r2[boost(+),hdf(+)] )
	collada? ( >=media-libs/opencollada-1.6.68 )
	color-management? ( media-libs/opencolorio:= )
	cuda? ( dev-util/nvidia-cuda-toolkit:= )
	embree? ( media-libs/embree:=[raymask] )
	ffmpeg? ( media-video/ffmpeg:=[x264,mp3,encode,theora,jpeg2k?,vpx,vorbis,opus,xvid] )
	fftw? ( sci-libs/fftw:3.0= )
	gmp? ( dev-libs/gmp[cxx] )
	gnome? ( gui-libs/libdecor )
	hip? (
		llvm_slot_17? (
			dev-util/hip:0/5.7
		)
		llvm_slot_18? (
			>=dev-util/hip-6.1:=[llvm_slot_18(-)]
		)
	)
	jack? ( virtual/jack )
	jemalloc? ( dev-libs/jemalloc:= )
	jpeg2k? ( media-libs/openjpeg:2= )
	ndof? (
		app-misc/spacenavd
		dev-libs/libspnav
	)
	nls? ( virtual/libiconv )
	openal? ( media-libs/openal )
	oidn? ( >=media-libs/oidn-2.1.0[${LLVM_USEDEP}] )
	oneapi? ( dev-libs/intel-compute-runtime[l0] )
	openexr? (
		>=dev-libs/imath-3.1.7:=
		>=media-libs/openexr-3.2.1:0=
	)
	openpgl? ( media-libs/openpgl:= )
	opensubdiv? ( >=media-libs/opensubdiv-3.5.0 )
	openvdb? (
		>=media-gfx/openvdb-11.0.0:=[nanovdb?]
		dev-libs/c-blosc:=
	)
	optix? ( dev-libs/optix )
	osl? (
		>=media-libs/osl-1.13:=[${LLVM_USEDEP}]
		media-libs/mesa[${LLVM_USEDEP}]
	)
	pdf? ( media-libs/libharu )
	potrace? ( media-gfx/potrace )
	pugixml? ( dev-libs/pugixml )
	pulseaudio? ( media-libs/libpulse )
	sdl? ( media-libs/libsdl2[sound,joystick] )
	sndfile? ( media-libs/libsndfile )
	tbb? ( dev-cpp/tbb:= )
	tiff? ( media-libs/tiff:= )
	valgrind? ( dev-debug/valgrind )
	wayland? (
		>=dev-libs/wayland-1.12
		>=dev-libs/wayland-protocols-1.15
		>=x11-libs/libxkbcommon-0.2.0
		dev-util/wayland-scanner
		media-libs/mesa[wayland]
		sys-apps/dbus
	)
	vulkan? (
		media-libs/shaderc
		dev-util/spirv-tools
		dev-util/glslang
		media-libs/vulkan-loader
	)
	otf? (
		media-libs/harfbuzz
	)
	renderdoc? (
		media-gfx/renderdoc
	)
	X? (
		x11-libs/libX11
		x11-libs/libXi
		x11-libs/libXxf86vm
	)
"

DEPEND="${RDEPEND}
	dev-cpp/eigen:=
	vulkan? (
		dev-util/spirv-headers
		dev-util/vulkan-headers
	)
"

BDEPEND="
	virtual/pkgconfig
	doc? (
		app-text/doxygen[dot]
		dev-python/sphinx[latex]
		dev-texlive/texlive-bibtexextra
		dev-texlive/texlive-fontsextra
		dev-texlive/texlive-fontutils
		dev-texlive/texlive-latex
		dev-texlive/texlive-latexextra
	)
	nls? ( sys-devel/gettext )
	wayland? (
		dev-util/wayland-scanner
	)
	X? (
		x11-base/xorg-proto
	)
"

PATCHES=(
	"${FILESDIR}/${PN}-4.0.2-FindClang.patch"
	"${FILESDIR}/${PN}-4.0.2-CUDA_NVCC_FLAGS.patch"
	"${FILESDIR}/${PN}-4.1.1-FindLLVM.patch"
	"${FILESDIR}/${PN}-4.1.1-numpy.patch"
)

blender_check_requirements() {
	[[ ${MERGE_TYPE} != binary ]] && use openmp && tc-check-openmp

	if use doc; then
		CHECKREQS_DISK_BUILD="4G" check-reqs_pkg_pretend
	fi
}

blender_get_version() {
	# Get blender version from blender itself.
	BV=$(grep "BLENDER_VERSION " source/blender/blenkernel/BKE_blender_version.h | cut -d " " -f 3; assert)
	if ((${BV:0:1} < 3)) ; then
		# Add period (290 -> 2.90).
		BV=${BV:0:1}.${BV:1}
	else
		# Add period and skip the middle number (301 -> 3.1)
		BV=${BV:0:1}.${BV:2}
	fi
}

pkg_pretend() {
	blender_check_requirements

	if use oneapi; then
		einfo "The Intel oneAPI support is rudimentary."
		einfo ""
		einfo "Please report any bugs you find to https://bugs.gentoo.org/"
	fi
}

pkg_setup() {
	if use osl; then
		llvm-r1_pkg_setup
	fi

	blender_check_requirements
	python-single-r1_pkg_setup
}

src_unpack() {
	if [[ ${PV} = *9999* ]] ; then
		if ! use test; then
			EGIT_SUBMODULES+=( '-tests/*' )
		fi
		git-r3_src_unpack
	else
		default

		if use test; then
			mkdir -p "${S}/tests/data/" || die
			mv blender-test-data/* "${S}/tests/data/" || die
		fi
	fi
}

src_prepare() {
	use cuda && cuda_src_prepare

	cmake_src_prepare

	blender_get_version

	# Disable MS Windows help generation. The variable doesn't do what it
	# it sounds like.
	sed -e "s|GENERATE_HTMLHELP      = YES|GENERATE_HTMLHELP      = NO|" \
		-i doc/doxygen/Doxyfile || die

	# Prepare icons and .desktop files for slotting.
	sed \
		-e "s|blender.svg|blender-${BV}.svg|" \
		-e "s|blender-symbolic.svg|blender-${BV}-symbolic.svg|" \
		-e "s|blender.desktop|blender-${BV}.desktop|" \
		-e "s|org.blender.Blender.metainfo.xml|blender-${BV}.metainfo.xml|" \
		-i source/creator/CMakeLists.txt || die

	sed \
		-e "s|Name=Blender|Name=Blender ${BV}|" \
		-e "s|Exec=blender|Exec=blender-${BV}|" \
		-e "s|Icon=blender|Icon=blender-${BV}|" \
		-i release/freedesktop/blender.desktop || die

	sed -e "s|\${CMAKE_INSTALL_PREFIX}/\${BLENDER_BIN}|${T}/usr/\${BLENDER_BIN}|g" -i source/creator/CMakeLists.txt || die

	mv \
		release/freedesktop/icons/scalable/apps/blender.svg \
		"release/freedesktop/icons/scalable/apps/blender-${BV}.svg" || die
	mv \
		release/freedesktop/icons/symbolic/apps/blender-symbolic.svg \
		"release/freedesktop/icons/symbolic/apps/blender-${BV}-symbolic.svg" || die
	mv release/freedesktop/blender.desktop "release/freedesktop/blender-${BV}.desktop" || die
	mv release/freedesktop/org.blender.Blender.metainfo.xml "release/freedesktop/blender-${BV}.metainfo.xml"
	mv release/freedesktop/org.blender.Blender.appdata.xml "release/freedesktop/blender-${BV}.appdata.xml"

	if use test; then
		# Without this the tests will try to use /usr/bin/blender and /usr/share/blender/ to run the tests.
		sed -e "s|set(TEST_INSTALL_DIR.*|set(TEST_INSTALL_DIR ${T}/usr)|g" -i tests/CMakeLists.txt || die
		sed -e "s|string(REPLACE.*|set(TEST_INSTALL_DIR ${T}/usr)|g" -i build_files/cmake/testing.cmake || die
	fi

	if use vulkan; then
		sed -e "s/extern_vulkan_memory_allocator/extern_vulkan_memory_allocator\nSPIRV-Tools-opt\nSPIRV-Tools\nSPIRV-Tools-link\nglslang\nSPIRV\nSPVRemapper/" -i source/blender/gpu/CMakeLists.txt || die
	fi
}

src_configure() {
	# -Werror=odr, -Werror=lto-type-mismatch
	# https://bugs.gentoo.org/859607
	# https://projects.blender.org/blender/blender/issues/120444
	filter-lto

	# Workaround for bug #922600
	append-ldflags $(test-flags-CCLD -Wl,--undefined-version)

	append-lfs-flags
	blender_get_version

	local mycmakeargs=(
		-DWITH_LIBS_PRECOMPILED=no
		-DBUILD_SHARED_LIBS=no
		-DPYTHON_INCLUDE_DIR="$(python_get_includedir)"
		-DPYTHON_LIBRARY="$(python_get_library_path)"
		-DPYTHON_VERSION="${EPYTHON/python/}"
		-DWITH_ALEMBIC=$(usex alembic)
		-DWITH_BOOST=yes
		-DWITH_BULLET=$(usex bullet)
		-DWITH_CODEC_FFMPEG=$(usex ffmpeg)
		-DWITH_CODEC_SNDFILE=$(usex sndfile)
		-DWITH_CPU_CHECK=no

		-DWITH_CYCLES=$(usex cycles)

		-DWITH_CYCLES_DEVICE_CUDA=$(usex cuda)
		-DWITH_CYCLES_CUDA_BINARIES="$(usex cuda $(usex cycles-bin-kernels))"
		-DWITH_CYCLES_DEVICE_OPTIX=$(usex optix)

		-DWITH_CYCLES_DEVICE_HIP="$(usex hip)"
		-DWITH_CYCLES_HIP_BINARIES=$(usex hip $(usex cycles-bin-kernels))

		-DWITH_CYCLES_DEVICE_ONEAPI="$(usex oneapi)"
		-DWITH_CYCLES_ONEAPI_BINARIES="$(usex oneapi $(usex cycles-bin-kernels))"

		-DWITH_CYCLES_HYDRA_RENDER_DELEGATE="no" # TODO: package Hydra
		-DWITH_CYCLES_EMBREE="$(usex embree)"
		-DWITH_CYCLES_OSL=$(usex osl)
		-DWITH_CYCLES_PATH_GUIDING=$(usex openpgl)
		-DWITH_CYCLES_STANDALONE=no
		-DWITH_CYCLES_STANDALONE_GUI=no

		-DWITH_DOC_MANPAGE=$(usex man)
		-DWITH_DRACO="no" # TODO: Package Draco
		-DWITH_EXPERIMENTAL_FEATURES="$(usex experimental)"
		-DWITH_FFTW3=$(usex fftw)
		-DWITH_GHOST_WAYLAND=$(usex wayland)
		-DWITH_GHOST_WAYLAND_DYNLOAD="no"
		-DWITH_GHOST_X11=$(usex X)
		-DWITH_GMP=$(usex gmp)
		-DWITH_GTESTS=$(usex test)
		-DWITH_HARFBUZZ="$(usex otf)"
		-DWITH_HARU=$(usex pdf)
		-DWITH_HEADLESS=$($(use X || use wayland) && echo OFF || echo ON)
		-DWITH_HYDRA="no" # TODO: Package Hydra
		-DWITH_IMAGE_OPENEXR=$(usex openexr)
		-DWITH_IMAGE_OPENJPEG=$(usex jpeg2k)
		-DWITH_IMAGE_WEBP=$(usex webp)
		-DWITH_INPUT_NDOF=$(usex ndof)
		-DWITH_INSTALL_PORTABLE="no"
		-DWITH_INTERNATIONAL=$(usex nls)
		-DWITH_JACK=$(usex jack)
		-DWITH_MATERIALX="no" # TODO: Package MaterialX
		-DWITH_MEM_JEMALLOC=$(usex jemalloc)
		-DWITH_MEM_VALGRIND=$(usex valgrind)
		-DWITH_MOD_FLUID=$(usex fluid)
		-DWITH_MOD_OCEANSIM=$(usex fftw)
		-DWITH_NANOVDB=$(usex nanovdb)
		-DWITH_OPENAL=$(usex openal)
		-DWITH_OPENCOLLADA=$(usex collada)
		-DWITH_OPENCOLORIO=$(usex color-management)
		-DWITH_OPENIMAGEDENOISE=$(usex oidn)
		-DWITH_OPENMP=$(usex openmp)
		-DWITH_OPENSUBDIV=$(usex opensubdiv)
		-DWITH_OPENVDB=$(usex openvdb)
		-DWITH_OPENVDB_BLOSC=$(usex openvdb)
		-DWITH_POTRACE=$(usex potrace)
		-DWITH_PUGIXML=$(usex pugixml)
		-DWITH_PULSEAUDIO=$(usex pulseaudio)
		-DWITH_PYTHON_INSTALL=no
		-DWITH_PYTHON_INSTALL_NUMPY=no
		-DWITH_PYTHON_INSTALL_ZSTANDARD=no
		-DWITH_RENDERDOC="$(usex renderdoc)"
		-DWITH_SDL=$(usex sdl)
		-DWITH_STATIC_LIBS=no
		-DWITH_STRICT_BUILD_OPTIONS=yes
		-DWITH_SYSTEM_EIGEN3=yes
		-DWITH_SYSTEM_FREETYPE=yes
		-DWITH_SYSTEM_LZO=yes
		-DWITH_TBB=$(usex tbb)
		-DWITH_USD="no" # TODO: Package USD
		-DWITH_VULKAN_BACKEND="$(usex vulkan)"
		-DWITH_XR_OPENXR=no
	)

	if has_version ">=dev-python/numpy-2"; then
		mycmakeargs+=(
			-DPYTHON_NUMPY_INCLUDE_DIRS="$(python_get_sitedir)/numpy/_core/include"
			-DPYTHON_NUMPY_PATH="$(python_get_sitedir)/numpy/_core/include"
		)
	fi

	# requires dev-vcs/git
	if [[ ${PV} = *9999* ]] ; then
		mycmakeargs+=( -DWITH_BUILDINFO="yes" )
	else
		mycmakeargs+=( -DWITH_BUILDINFO="no" )
	fi

	if use cuda; then
		mycmakeargs+=(
			-DCUDA_NVCC_FLAGS="--compiler-bindir;$(cuda_gccdir)"
		)
	fi

	if use hip; then
		mycmakeargs+=(
			-DROCM_PATH="$(hipconfig -R)"
			-DHIP_HIPCC_FLAGS="-fcf-protection=none"
		)
	fi

	if use optix; then
		mycmakeargs+=(
			-DCYCLES_RUNTIME_OPTIX_ROOT_DIR="${EPREFIX}"/opt/optix
			-DOPTIX_ROOT_DIR="${EPREFIX}"/opt/optix
		)
	fi

	if use wayland; then
		mycmakeargs+=(
			-DWITH_GHOST_WAYLAND_APP_ID="blender-${BV}"
			-DWITH_GHOST_WAYLAND_LIBDECOR="$(usex gnome)"
		)
	fi

	# This is currently needed on arm64 to get the NEON SIMD wrapper to compile the code successfully
	use arm64 && append-flags -flax-vector-conversions

	append-cflags "$(usex debug '-DDEBUG' '-DNDEBUG')"
	append-cppflags "$(usex debug '-DDEBUG' '-DNDEBUG')"

	if tc-is-gcc ; then
		# These options only exist when GCC is detected.
		# We disable these to respect the user's choice of linker.
		mycmakeargs+=(
			-DWITH_LINKER_GOLD=no
			-DWITH_LINKER_LLD=no
		)
		# Ease compiling with required gcc similar to cuda_sanitize but for cmake
		use cuda && use cycles-bin-kernels && mycmakeargs+=( -DCUDA_HOST_COMPILER="$(cuda_gccdir)" )
	fi

	if tc-is-clang || use osl; then
		mycmakeargs+=(
			-DWITH_CLANG=yes
			-DWITH_LLVM=yes
		)
	fi

	if use test ; then
		local CYCLES_TEST_DEVICES=( "CPU" )
		if use cycles-bin-kernels; then
			use cuda && CYCLES_TEST_DEVICES+=( "CUDA" )
			use optix && CYCLES_TEST_DEVICES+=( "OPTIX" )
			use hip && CYCLES_TEST_DEVICES+=( "HIP" )
		fi
		mycmakeargs+=(
			-DCYCLES_TEST_DEVICES:STRING="$(local IFS=";"; echo "${CYCLES_TEST_DEVICES[*]}")"
			-DWITH_COMPOSITOR_REALTIME_TESTS=yes
			-DWITH_GPU_DRAW_TESTS=yes
			-DWITH_GPU_RENDER_TESTS=yes
		)
	fi

	cmake_src_configure
}

src_test() {
	# A lot of tests needs to have access to the installed data files.
	# So install them into the image directory now.
	DESTDIR="${T}" cmake_build install

	blender_get_version
	# Define custom blender data/script file paths not be able to find them otherwise during testing.
	# (Because the data is in the image directory and it will default to look in /usr/share)
	export BLENDER_SYSTEM_SCRIPTS="${T}/usr/share/blender/${BV}/scripts"
	export BLENDER_SYSTEM_DATAFILES="${T}/usr/share/blender/${BV}/datafiles"

	# Sanity check that the script and datafile path is valid.
	# If they are not vaild, blender will fallback to the default path which is not what we want.
	[ -d "$BLENDER_SYSTEM_SCRIPTS" ] || die "The custom script path is invalid, fix the ebuild!"
	[ -d "$BLENDER_SYSTEM_DATAFILES" ] || die "The custom datafiles path is invalid, fix the ebuild!"

	if use cuda; then
		cuda_add_sandbox -w
		addwrite "/dev/dri/renderD128"
		addwrite "/dev/char/"
	fi

	if use X; then
		xdg_environment_reset
	fi

	addwrite /dev/dri

	cmake_src_test

	# Clean up the image directory for src_install
	rm -fr "${T}/usr" || die
}

src_install() {
	blender_get_version

	# Pax mark blender for hardened support.
	pax-mark m "${BUILD_DIR}"/bin/blender

	cmake_src_install

	if use man; then
		# Slot the man page
		mv "${ED}/usr/share/man/man1/blender.1" "${ED}/usr/share/man/man1/blender-${BV}.1" || die
	fi

	if use doc; then
		# Define custom blender data/script file paths. Otherwise Blender will not be able to find them during doc building.
		# (Because the data is in the image directory and it will default to look in /usr/share)
		export BLENDER_SYSTEM_SCRIPTS=${ED}/usr/share/blender/${BV}/scripts
		export BLENDER_SYSTEM_DATAFILES=${ED}/usr/share/blender/${BV}/datafiles

		# Workaround for binary drivers.
		addpredict /dev/ati
		addpredict /dev/dri
		addpredict /dev/nvidiactl

		einfo "Generating Blender C/C++ API docs ..."
		cd "${CMAKE_USE_DIR}"/doc/doxygen || die
		doxygen -u Doxyfile || die
		doxygen || die "doxygen failed to build API docs."

		cd "${CMAKE_USE_DIR}" || die
		einfo "Generating (BPY) Blender Python API docs ..."
		"${BUILD_DIR}"/bin/blender --background --python doc/python_api/sphinx_doc_gen.py -noaudio || die "sphinx failed."

		cd "${CMAKE_USE_DIR}"/doc/python_api || die
		sphinx-build sphinx-in BPY_API || die "sphinx failed."

		docinto "html/API/python"
		dodoc -r "${CMAKE_USE_DIR}"/doc/python_api/BPY_API/.

		docinto "html/API/blender"
		dodoc -r "${CMAKE_USE_DIR}"/doc/doxygen/html/.
	fi

	# Fix doc installdir
	docinto html
	dodoc "${CMAKE_USE_DIR}"/release/text/readme.html
	rm -r "${ED}"/usr/share/doc/blender || die

	python_optimize "${ED}/usr/share/blender/${BV}/scripts"

	mv "${ED}/usr/bin/blender-thumbnailer" "${ED}/usr/bin/blender-${BV}-thumbnailer" || die
	mv "${ED}/usr/bin/blender" "${ED}/usr/bin/blender-${BV}" || die
}

pkg_postinst() {
	elog
	elog "Blender uses python integration. As such, may have some"
	elog "inherent risks with running unknown python scripts."
	elog
	elog "It is recommended to change your blender temp directory"
	elog "from /tmp to /home/user/tmp or another tmp file under your"
	elog "home directory. This can be done by starting blender, then"
	elog "changing the 'Temporary Files' directory in Blender preferences."
	elog

	if use osl; then
		ewarn ""
		ewarn "OSL is know to cause runtime segfaults if Mesa has been linked to"
		ewarn "an other LLVM version than what OSL is linked to."
		ewarn "See https://bugs.gentoo.org/880671 for more details"
		ewarn ""
	fi

	if ! use python_single_target_python3_11; then
		elog "You are building Blender with a newer python version than"
		elog "supported by this version upstream."
		elog "If you experience breakages with e.g. plugins, please switch to"
		elog "python_single_target_python3_11 instead."
		elog "Bug: https://bugs.gentoo.org/737388"
		elog
	fi

	xdg_icon_cache_update
	xdg_mimeinfo_database_update
	xdg_desktop_database_update
}

pkg_postrm() {
	xdg_icon_cache_update
	xdg_mimeinfo_database_update
	xdg_desktop_database_update

	ewarn ""
	ewarn "You may want to remove the following directory."
	ewarn "~/.config/${PN}/${BV}/cache/"
	ewarn "It may contain extra render kernels not tracked by portage"
	ewarn ""
}