-
Notifications
You must be signed in to change notification settings - Fork 188
/
CMakeLists.txt
1128 lines (1041 loc) · 45.1 KB
/
CMakeLists.txt
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
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
cmake_minimum_required(VERSION 3.16)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
# See docs/release_checklist.md
set(MAJOR_VERSION 3)
set(MINOR_VERSION 1)
set(MICRO_VERSION 0)
set(SDL_REQUIRED_VERSION 3.1.3)
project(SDL3_image
LANGUAGES C
VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${MICRO_VERSION}"
)
include("${CMAKE_CURRENT_LIST_DIR}/cmake/GetGitRevisionDescription.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/cmake/PrivateSdlFunctions.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/cmake/sdlcpu.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/cmake/sdlplatform.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/cmake/sdlmanpages.cmake")
sdl_calculate_derived_version_variables(${MAJOR_VERSION} ${MINOR_VERSION} ${MICRO_VERSION})
message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
set(SDLIMAGE_ROOTPROJECT ON)
else()
set(SDLIMAGE_ROOTPROJECT OFF)
endif()
set(SDLIMAGE_SAMPLES_DEFAULT ${SDLIMAGE_ROOTPROJECT})
if(ANDROID)
set(SDLIMAGE_SAMPLES_DEFAULT OFF)
endif()
# Assume MSVC projects don't have a package manager and need vendored dependencies (by default).
# Most other platforms have some kind of package manager.
if(MSVC)
set(vendored_default ON)
else()
set(vendored_default OFF)
endif()
set(sdlimage_install_enableable ON)
if((TARGET SDL3-shared OR TARGET SDL3-static) AND SDL_DISABLE_INSTALL)
# Cannot install SDL3_image when SDL3 is built in same built, and is not installed.
set(sdlimage_install_enableable OFF)
endif()
if(NOT DEFINED CMAKE_FIND_PACKAGE_PREFER_CONFIG)
set(CMAKE_FIND_PACKAGE_PREFER_CONFIG ON)
endif()
include(CMakeDependentOption)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
set(PLATFORM_SUPPORTS_SHARED ON)
if(EMSCRIPTEN OR VITA OR PSP OR PS2 OR N3DS OR RISCOS)
set(PLATFORM_SUPPORTS_SHARED OFF)
endif()
option(CMAKE_POSITION_INDEPENDENT_CODE "Build static libraries with -fPIC" ${PLATFORM_SUPPORTS_SHARED})
cmake_dependent_option(BUILD_SHARED_LIBS "Build the library as a shared library" ON PLATFORM_SUPPORTS_SHARED OFF)
cmake_dependent_option(SDLIMAGE_INSTALL "Enable SDL3_image install target" ${SDLIMAGE_ROOTPROJECT} "${sdlimage_install_enableable}" OFF)
cmake_dependent_option(SDLIMAGE_INSTALL_CPACK "Create binary SDL3_image archive using CPack" ${SDLIMAGE_ROOTPROJECT} "SDLIMAGE_INSTALL" OFF)
cmake_dependent_option(SDLIMAGE_INSTALL_MAN "Install man pages for SDL3_image" OFF "SDLIMAGE_INSTALL" OFF)
cmake_dependent_option(SDLIMAGE_DEPS_SHARED "Load dependencies dynamically" ON PLATFORM_SUPPORTS_SHARED OFF)
option(SDLIMAGE_VENDORED "Use vendored third-party libraries" ${vendored_default})
option(SDLIMAGE_WERROR "Treat warnings as errors" OFF)
option(SDLIMAGE_STRICT "Fail when a dependency could not be found" OFF)
set(required "")
set(fatal_error "STATUS")
if(SDLIMAGE_STRICT)
set(required "REQUIRED")
set(fatal_error "FATAL_ERROR")
endif()
option(SDLIMAGE_SAMPLES "Build the SDL3_image sample program(s)" ${SDLIMAGE_SAMPLES_DEFAULT})
cmake_dependent_option(SDLIMAGE_SAMPLES_INSTALL "Install the SDL3_image sample program(s)" OFF "SDLIMAGE_SAMPLES;SDLIMAGE_INSTALL" OFF)
option(SDLIMAGE_TESTS "Build unit tests?" OFF)
option(SDLIMAGE_TESTS_INSTALL "Install unit tests?" OFF)
option(SDLIMAGE_BACKEND_STB "Use stb_image for loading JPEG and PNG files" ON)
cmake_dependent_option(SDLIMAGE_BACKEND_WIC "Add WIC backend (Windows Imaging Component)" OFF WIN32 OFF)
cmake_dependent_option(SDLIMAGE_BACKEND_IMAGEIO "Use native Mac OS X frameworks for loading images" ON APPLE OFF)
option(SDLIMAGE_AVIF "Support loading AVIF images" ON)
option(SDLIMAGE_BMP "Support loading BMP images" ON)
option(SDLIMAGE_GIF "Support loading GIF images" ON)
option(SDLIMAGE_JPG "Support loading JPEG images" ON)
option(SDLIMAGE_JXL "Support loading JXL images" OFF)
option(SDLIMAGE_LBM "Support loading LBM images" ON)
option(SDLIMAGE_PCX "Support loading PCX images" ON)
option(SDLIMAGE_PNG "Support loading PNG images" ON)
option(SDLIMAGE_PNM "Support loading PNM images" ON)
option(SDLIMAGE_QOI "Support loading QOI images" ON)
option(SDLIMAGE_SVG "Support loading SVG images" ON)
option(SDLIMAGE_TGA "Support loading TGA images" ON)
option(SDLIMAGE_TIF "Support loading TIFF images" ON)
option(SDLIMAGE_WEBP "Support loading WEBP images" ON)
option(SDLIMAGE_XCF "Support loading XCF images" ON)
option(SDLIMAGE_XPM "Support loading XPM images" ON)
option(SDLIMAGE_XV "Support loading XV images" ON)
cmake_dependent_option(SDLIMAGE_AVIF_SAVE "Add AVIF save support" ON SDLIMAGE_AVIF OFF)
cmake_dependent_option(SDLIMAGE_JPG_SAVE "Add JPEG save support" ON SDLIMAGE_JPG OFF)
cmake_dependent_option(SDLIMAGE_PNG_SAVE "Add PNG save support" ON SDLIMAGE_PNG OFF)
set(LIBAVIF_MINIMUM_VERSION "1.0")
if(SDLIMAGE_VENDORED AND SDLIMAGE_AVIF)
set(SDLIMAGE_AVIF_VENDORED ON)
else()
set(SDLIMAGE_AVIF_VENDORED OFF)
endif()
cmake_dependent_option(SDLIMAGE_AVIF_SHARED "Dynamically load AVIF support (requires shared libavif)"
${SDLIMAGE_DEPS_SHARED} SDLIMAGE_AVIF ON)
if(SDLIMAGE_AVIF_VENDORED)
set(SDLIMAGE_DAV1D ON)
set(SDLIMAGE_DAV1D_VENDORED ON)
set(SDLIMAGE_AOM ON)
set(SDLIMAGE_AOM_VENDORED ON)
else()
set(SDLIMAGE_DAV1D OFF)
set(SDLIMAGE_DAV1D_VENDORED OFF)
set(SDLIMAGE_AOM OFF)
set(SDLIMAGE_AOM_VENDORED OFF)
endif()
if(SDLIMAGE_AVIF_SHARED)
set(SDLIMAGE_DAV1D_SHARED ON)
set(SDLIMAGE_AOM_SHARED ON)
else()
set(SDLIMAGE_DAV1D_SHARED OFF)
set(SDLIMAGE_AOM_SHARED OFF)
endif()
if(SDLIMAGE_VENDORED AND SDLIMAGE_JPG AND NOT (SDLIMAGE_BACKEND_WIC OR SDLIMAGE_BACKEND_STB OR SDLIMAGE_BACKEND_IMAGEIO))
set(SDLIMAGE_JPG_VENDORED ON)
else()
set(SDLIMAGE_JPG_VENDORED OFF)
endif()
cmake_dependent_option(SDLIMAGE_JPG_SHARED "Dynamically load JPG support (requires shared libjpeg)"
${SDLIMAGE_DEPS_SHARED} "SDLIMAGE_JPG;NOT SDLIMAGE_BACKEND_WIC;NOT SDLIMAGE_BACKEND_STB;NOT SDLIMAGE_BACKEND_IMAGEIO" OFF)
if(SDLIMAGE_VENDORED AND SDLIMAGE_JXL)
set(SDLIMAGE_JXL_VENDORED ON)
else()
set(SDLIMAGE_JXL_VENDORED OFF)
endif()
cmake_dependent_option(SDLIMAGE_JXL_SHARED "Dynamically load JXL support (requires shared libjxl)"
${SDLIMAGE_DEPS_SHARED} SDLIMAGE_JXL OFF)
if(SDLIMAGE_VENDORED AND SDLIMAGE_PNG AND NOT (SDLIMAGE_BACKEND_WIC OR SDLIMAGE_BACKEND_STB OR SDLIMAGE_BACKEND_IMAGEIO))
set(SDLIMAGE_PNG_VENDORED ON)
else()
set(SDLIMAGE_PNG_VENDORED OFF)
endif()
cmake_dependent_option(SDLIMAGE_PNG_SHARED "Dynamically load PNG support (requires shared libpng)"
${SDLIMAGE_DEPS_SHARED} "SDLIMAGE_PNG;NOT SDLIMAGE_BACKEND_WIC;NOT SDLIMAGE_BACKEND_STB;NOT SDLIMAGE_BACKEND_IMAGEIO" OFF)
if(SDLIMAGE_VENDORED AND SDLIMAGE_TIF AND NOT (SDLIMAGE_BACKEND_IMAGEIO OR SDLIMAGE_BACKEND_WIC))
set(SDLIMAGE_TIF_VENDORED ON)
else()
set(SDLIMAGE_TIF_VENDORED OFF)
endif()
cmake_dependent_option(SDLIMAGE_TIF_SHARED "Dynamically load TIFF support (requires shared libtiff)"
${SDLIMAGE_DEPS_SHARED} SDLIMAGE_TIF OFF)
if(SDLIMAGE_VENDORED AND SDLIMAGE_WEBP)
set(SDLIMAGE_WEBP_VENDORED ON)
else()
set(SDLIMAGE_WEBP_VENDORED OFF)
endif()
cmake_dependent_option(SDLIMAGE_WEBP_SHARED "Dynamically load WEBP support (requires shared libwebp)"
${SDLIMAGE_DEPS_SHARED} SDLIMAGE_WEBP OFF)
if(SDLIMAGE_PNG_VENDORED)
set(SDLIMAGE_ZLIB ON)
else()
set(SDLIMAGE_ZLIB OFF)
endif()
if(SDLIMAGE_VENDORED AND SDLIMAGE_PNG_VENDORED)
set(SDLIMAGE_ZLIB_VENDORED ON)
else()
set(SDLIMAGE_ZLIB_VENDORED OFF)
endif()
if(SDLIMAGE_PNG_SHARED)
set(SDLIMAGE_ZLIB_SHARED ON)
else()
set(SDLIMAGE_ZLIB_SHARED OFF)
endif()
# Save BUILD_SHARED_LIBS variable
set(SDLIMAGE_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
set(sdl_required_components Headers)
if(SDLIMAGE_BUILD_SHARED_LIBS)
set(sdl3_image_target_name SDL3_image-shared)
set(sdl3_target_name SDL3::SDL3-shared)
list(APPEND sdl_required_components SDL3-shared)
else()
set(sdl3_image_target_name SDL3_image-static)
set(sdl3_target_name SDL3::SDL3)
endif()
if(NOT TARGET SDL3::Headers OR NOT TARGET ${sdl3_target_name})
find_package(SDL3 ${SDL_REQUIRED_VERSION} REQUIRED COMPONENTS ${sdl_required_components})
endif()
SDL_DetectTargetCPUArchitectures(SDL_CPU_NAMES)
SDL_DetectCMakePlatform()
# Set PROJECT_VERSION of subprojects to "" if it's project call does not set VERSION
cmake_policy(SET CMP0048 NEW)
# Allow cmake_dependent_option to use "Full Condition Syntax"
if(POLICY CMP0127)
cmake_policy(SET CMP0127 NEW)
endif()
# OpenGL is required by dependencies of (dependencies of) some vendored libraries
if(NOT DEFINED OpenGL_GL_PREFERENCE)
set(OpenGL_GL_PREFERENCE GLVND)
endif()
set(BUILD_SHARED_LIBS ${SDLIMAGE_BUILD_SHARED_LIBS})
add_library(${sdl3_image_target_name}
src/IMG.c
src/IMG_WIC.c
src/IMG_avif.c
src/IMG_bmp.c
src/IMG_gif.c
src/IMG_jpg.c
src/IMG_jxl.c
src/IMG_lbm.c
src/IMG_pcx.c
src/IMG_png.c
src/IMG_pnm.c
src/IMG_qoi.c
src/IMG_stb.c
src/IMG_svg.c
src/IMG_tga.c
src/IMG_tif.c
src/IMG_webp.c
src/IMG_xcf.c
src/IMG_xpm.c
src/IMG_xv.c
)
add_library(SDL3_image::${sdl3_image_target_name} ALIAS ${sdl3_image_target_name})
if(NOT TARGET SDL3_image::SDL3_image)
add_library(SDL3_image::SDL3_image ALIAS ${sdl3_image_target_name})
endif()
target_include_directories(${sdl3_image_target_name}
PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
)
target_compile_definitions(${sdl3_image_target_name} PRIVATE
BUILD_SDL
SDL_BUILD_MAJOR_VERSION=${MAJOR_VERSION}
SDL_BUILD_MINOR_VERSION=${MINOR_VERSION}
SDL_BUILD_MICRO_VERSION=${MICRO_VERSION}
)
target_link_libraries(${sdl3_image_target_name} PUBLIC SDL3::Headers)
if(SDLIMAGE_BUILD_SHARED_LIBS)
target_link_libraries(${sdl3_image_target_name} PRIVATE SDL3::SDL3-shared)
endif()
sdl_add_warning_options(${sdl3_image_target_name} WARNING_AS_ERROR ${SDLIMAGE_WERROR})
if(WIN32 AND SDLIMAGE_BUILD_SHARED_LIBS)
target_sources(${sdl3_image_target_name} PRIVATE
src/version.rc
)
endif()
set_target_properties(${sdl3_image_target_name} PROPERTIES
OUTPUT_NAME "SDL3_image"
DEFINE_SYMBOL DLL_EXPORT
EXPORT_NAME ${sdl3_image_target_name}
C_VISIBILITY_PRESET "hidden"
)
sdl_target_link_option_version_file(${sdl3_image_target_name} "${CMAKE_CURRENT_SOURCE_DIR}/src/SDL_image.sym")
if(NOT ANDROID)
set_target_properties(${sdl3_image_target_name} PROPERTIES
SOVERSION "${SO_VERSION_MAJOR}"
VERSION "${SO_VERSION}"
)
if(APPLE)
cmake_minimum_required(VERSION 3.17)
set_target_properties(${sdl3_image_target_name} PROPERTIES
MACHO_COMPATIBILITY_VERSION "${DYLIB_COMPAT_VERSION}"
MACHO_CURRENT_VERSION "${DYLIB_CURRENT_VERSION}"
)
sdl_no_deprecated_errors(${sdl3_image_target_name})
endif()
endif()
if(SDLIMAGE_BUILD_SHARED_LIBS)
if(WIN32)
set_target_properties(${sdl3_image_target_name} PROPERTIES
PREFIX ""
DLL_NAME_WITH_SOVERSION FALSE
)
endif()
else()
if(MSVC)
set_target_properties(${sdl3_image_target_name} PROPERTIES
OUTPUT_NAME "SDL3_image-static"
)
endif()
endif()
# Use `Compatible Interface Properties` to ensure a shared SDL3_image is built with a shared SDL3
if(SDLIMAGE_BUILD_SHARED_LIBS)
set_property(TARGET ${sdl3_image_target_name} PROPERTY INTERFACE_SDL3_SHARED TRUE)
set_property(TARGET ${sdl3_image_target_name} APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SDL3_SHARED)
endif()
if(SDLIMAGE_BUILD_SHARED_LIBS)
sdl_target_link_options_no_undefined(${sdl3_image_target_name})
endif()
if(SDLIMAGE_BUILD_SHARED_LIBS)
# Make sure static library dependencies are built with -fPIC when building a shared SDL3_image
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
set(INSTALL_EXTRA_TARGETS)
set(INSTALL_EXTRA_CMAKE_MODULES)
set(PC_LIBS)
set(PC_REQUIRES)
set(SDLIMAGE_BACKENDS)
list(APPEND SDLIMAGE_BACKENDS STB)
set(SDLIMAGE_STB_ENABLED FALSE)
if(SDLIMAGE_BACKEND_STB)
set(SDLIMAGE_STB_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE USE_STBIMAGE)
endif()
list(APPEND SDLIMAGE_BACKENDS IMAGEIO)
set(SDLIMAGE_IMAGEIO_ENABLED FALSE)
if(APPLE)
if(SDLIMAGE_BACKEND_IMAGEIO)
set(SDLIMAGE_IMAGEIO_ENABLED TRUE)
target_link_libraries(${sdl3_image_target_name} PRIVATE -Wl,-framework,ApplicationServices)
target_link_libraries(${sdl3_image_target_name} PRIVATE objc)
target_sources(${sdl3_image_target_name} PRIVATE
src/IMG_ImageIO.m
)
if (SDLIMAGE_PNG AND NOT SDLIMAGE_BACKEND_STB)
target_compile_definitions(${sdl3_image_target_name} PRIVATE PNG_USES_IMAGEIO)
endif()
if (SDLIMAGE_JPG AND NOT SDLIMAGE_BACKEND_STB)
target_compile_definitions(${sdl3_image_target_name} PRIVATE JPG_USES_IMAGEIO)
endif()
else()
target_compile_definitions(${sdl3_image_target_name} PRIVATE SDL_IMAGE_USE_COMMON_BACKEND)
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS WIC)
set(SDLIMAGE_WIC_ENABLED FALSE)
if(SDLIMAGE_BACKEND_WIC)
set(SDLIMAGE_WIC_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE SDL_IMAGE_USE_WIC_BACKEND)
endif()
if(SDLIMAGE_ZLIB)
if(SDLIMAGE_ZLIB_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored zlib")
# disable build of zlib example programs:
set(ZLIB_BUILD_EXAMPLES OFF CACHE BOOL "zlib examples" FORCE)
sdl_check_project_in_subfolder(external/zlib zlib SDLIMAGE_VENDORED)
add_subdirectory(external/zlib EXCLUDE_FROM_ALL)
# PNG_BUILD_ZLIB variable is used by vendored libpng
set(PNG_BUILD_ZLIB ON CACHE BOOL "libpng option to tell it should use 'our' vendored ZLIB library" FORCE)
# ZLIB_INCLUDE_DIR variable is used by vendored libpng
set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/zlib;${CMAKE_CURRENT_BINARY_DIR}/external/zlib" CACHE STRING "path of zlib, passed to libpng" FORCE)
# ZLIB_LIBRARY variable is used by vendored libpng
if(SDLIMAGE_ZLIB_SHARED)
set(ZLIB_LIBRARY zlib)
else()
set(ZLIB_LIBRARY zlibstatic)
endif()
if(NOT TARGET ZLIB::ZLIB)
add_library(ZLIB::ZLIB ALIAS ${ZLIB_LIBRARY})
endif()
# ZLIB_LIBRARIES variable is used by vendored libpng
set(ZLIB_LIBRARIES "${ZLIB_LIBRARY}")
# ZLIB_INCLUDE_DIRS variable is used by vendored libpng
set(ZLIB_INCLUDE_DIRS "${ZLIB_INCLUDE_DIR}")
target_include_directories(${ZLIB_LIBRARY} INTERFACE $<BUILD_INTERFACE:${ZLIB_INCLUDE_DIRS}>)
if(SDLIMAGE_ZLIB_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS ${ZLIB_LIBRARY})
endif()
set_target_properties(${ZLIB_LIBRARY} PROPERTIES EXPORT_NAME external_zlib)
add_library(SDL3_image::external_zlib ALIAS ${ZLIB_LIBRARY})
else()
message(FATAL_ERROR "Internal error (zlib is only required when requesting vendored dependencies)")
endif()
endif()
if(SDLIMAGE_DAV1D)
if(SDLIMAGE_DAV1D_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored dav1d")
set(BUILD_SHARED_LIBS ${SDLIMAGE_DAV1D_SHARED})
add_subdirectory(external/dav1d EXCLUDE_FROM_ALL)
if(DAV1D_ASM AND (SDL_CPU_X64 OR SDL_CPU_X86))
enable_language(ASM_NASM)
endif()
set(DAV1D_LIBRARY dav1d)
if(SDLIMAGE_DAV1D_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS dav1d)
endif()
else()
message(FATAL_ERROR "Internal error (dav1d is only required when requesting vendored dependencies)")
endif()
endif()
if(SDLIMAGE_AOM)
if(SDLIMAGE_AOM_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored aom")
set(BUILD_SHARED_LIBS ${SDLIMAGE_AOM_SHARED})
set(ENABLE_DOCS OFF CACHE BOOL "")
set(ENABLE_EXAMPLES OFF CACHE BOOL "")
set(ENABLE_TESTDATA OFF CACHE BOOL "")
set(ENABLE_TESTS OFF CACHE BOOL "")
set(ENABLE_TOOLS OFF CACHE BOOL "")
if(SDLIMAGE_AOM_SHARED)
set(CONFIG_AV1_DECODER 1 CACHE BOOL "" FORCE)
else()
set(CONFIG_AV1_DECODER 0 CACHE BOOL "" FORCE)
endif()
set(CONFIG_AV1_ENCODER 1 CACHE BOOL "" FORCE)
# aom detects cpu using CMAKE_SYSTEM_NAME
if(SDL_CPU_X86)
set(AOM_TARGET_CPU "x86")
elseif(SDL_CPU_X64)
set(AOM_TARGET_CPU "x86_64")
elseif(SDL_CPU_ARM32)
set(AOM_TARGET_CPU "arm")
elseif(SDL_CPU_ARM64)
set(AOM_TARGET_CPU "aarch64")
endif()
add_subdirectory(external/aom EXCLUDE_FROM_ALL)
set(AOM_LIBRARY aom)
if(SDLIMAGE_AOM_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS aom)
endif()
else()
message(FATAL_ERROR "Internal error (aom is only required when requesting vendored dependencies)")
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS AVIF)
set(SDLIMAGE_AVIF_ENABLED FALSE)
if(SDLIMAGE_AVIF)
if(SDLIMAGE_AVIF_VENDORED)
set(SDLIMAGE_AVIF_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libavif")
sdl_check_project_in_subfolder(external/libavif libavif SDLIMAGE_VENDORED)
set(SKIP_INSTALL_LIBRARIES TRUE)
set(BUILD_SHARED_LIBS ${SDLIMAGE_AVIF_SHARED})
set(AVIF_CODEC_DAV1D ON CACHE BOOL "Use dav1d codec for decoding" FORCE)
set(AVIF_LOCAL_DAV1D OFF CACHE BOOL "Build dav1d by libavif" FORCE)
set(AVIF_CODEC_AOM ON CACHE BOOL "Use aom codec for decoding" FORCE)
set(AVIF_LOCAL_AOM OFF CACHE BOOL "Build aom by libavif" FORCE)
set(AVIF_CODEC_AOM_ENCODE ON CACHE BOOL "Enable aom encoder" FORCE)
set(AVIF_CODEC_AOM_DECODE OFF CACHE BOOL "Enable aom decoder" FORCE)
set(LIBAVIF_WITH_SHARPYUV_SDLIMAGE ${SDLIMAGE_WEBP} CACHE BOOL "Build libavif with sharpyuv support (re-use sharpyuv built by libwebp)" FORCE)
set(BUILD_SHARED_LIBS ${SDLIMAGE_AVIF_SHARED})
set(AOM_LIBRARIES "aom" CACHE STRING "aom libraries" FORCE)
add_subdirectory(external/libavif EXCLUDE_FROM_ALL)
if(SDLIMAGE_AVIF_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS avif)
endif()
set_target_properties(avif PROPERTIES EXPORT_NAME external_libavif)
add_library(SDL3_image::external_libavif ALIAS avif)
if(NOT SDLIMAGE_AVIF_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:avif>)
endif()
if(NOT MSVC)
sdl_check_linker_flag("-Wl,--no-undefined" LINKER_SUPPORTS_WL_NO_UNDEFINED)
if(LINKER_SUPPORTS_WL_NO_UNDEFINED)
target_link_options(avif PRIVATE "-Wl,--no-undefined")
endif()
endif()
else()
find_package(libavif "${LIBAVIF_MINIMUM_VERSION}" QUIET ${required})
if(libavif_FOUND)
message(STATUS "${PROJECT_NAME}: Using system libavif")
set(SDLIMAGE_AVIF_ENABLED TRUE)
if(NOT SDLIMAGE_AVIF_SHARED)
list(APPEND PC_REQUIRES "libavif >= ${LIBAVIF_MINIMUM_VERSION}")
endif()
else()
message(STATUS "libavif-${LIBAVIF_MINIMUM_VERSION} or compatible not found")
message(${fatal_error} "libavif NOT found")
endif()
endif()
if(SDLIMAGE_AVIF_ENABLED)
target_compile_definitions(${sdl3_image_target_name} PRIVATE
LOAD_AVIF
SDL_IMAGE_SAVE_AVIF=$<BOOL:${SDLIMAGE_AVIF_SAVE}>
)
if(SDLIMAGE_AVIF_SHARED)
target_include_directories(${sdl3_image_target_name} PRIVATE
$<TARGET_PROPERTY:avif,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:avif,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:avif,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_avif avif)
message(STATUS "Dynamic libavif: ${dynamic_avif}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_AVIF_DYNAMIC=\"${dynamic_avif}\"")
if(SDLIMAGE_AVIF_VENDORED)
add_dependencies(${sdl3_image_target_name} avif)
endif()
else()
target_link_libraries(${sdl3_image_target_name} PRIVATE avif)
endif()
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS BMP)
set(SDLIMAGE_BMP_ENABLED FALSE)
if(SDLIMAGE_BMP)
set(SDLIMAGE_BMP_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_BMP)
endif()
list(APPEND SDLIMAGE_BACKENDS GIF)
set(SDLIMAGE_GIF_ENABLED FALSE)
if(SDLIMAGE_GIF)
set(SDLIMAGE_GIF_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_GIF)
endif()
list(APPEND SDLIMAGE_BACKENDS JPG)
set(SDLIMAGE_JPG_ENABLED FALSE)
if(SDLIMAGE_JPG)
if(SDLIMAGE_BACKEND_STB OR SDLIMAGE_BACKEND_WIC OR SDLIMAGE_BACKEND_IMAGEIO)
set(SDLIMAGE_JPG_ENABLED TRUE)
else()
if(SDLIMAGE_JPG_VENDORED)
set(SDLIMAGE_JPG_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libjpeg")
sdl_check_project_in_subfolder(external/jpeg libjpeg SDLIMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDLIMAGE_JPG_SHARED})
add_subdirectory(external/jpeg EXCLUDE_FROM_ALL)
if(SDLIMAGE_JPG_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS jpeg)
endif()
set_target_properties(jpeg PROPERTIES EXPORT_NAME external_libjpeg)
add_library(SDL3_image::external_libjpeg ALIAS jpeg)
if(NOT SDLIMAGE_JPG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:jpeg>)
endif()
else()
find_package(JPEG ${required})
if(JPEG_FOUND)
message(STATUS "${PROJECT_NAME}: Using system libjpeg")
set(SDLIMAGE_JPG_ENABLED TRUE)
if(NOT SDLIMAGE_JPG_SHARED)
list(APPEND PC_REQUIRES libjpeg)
endif()
else()
message(${fatal_error} "libjpeg NOT found")
endif()
endif()
if(SDLIMAGE_JPG_ENABLED)
if(SDLIMAGE_JPG_SHARED)
target_include_directories(${sdl3_image_target_name} PRIVATE
$<TARGET_PROPERTY:JPEG::JPEG,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:JPEG::JPEG,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:JPEG::JPEG,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_jpeg JPEG::JPEG)
message(STATUS "Dynamic libjpeg: ${dynamic_jpeg}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_JPG_DYNAMIC=\"${dynamic_jpeg}\"")
if(SDLIMAGE_JPG_VENDORED)
add_dependencies(${sdl3_image_target_name} JPEG::JPEG)
endif()
else()
target_link_libraries(${sdl3_image_target_name} PRIVATE JPEG::JPEG)
endif()
endif()
endif()
if(SDLIMAGE_JPG_ENABLED)
target_compile_definitions(${sdl3_image_target_name} PRIVATE
LOAD_JPG
SDL_IMAGE_SAVE_JPG=$<BOOL:${SDLIMAGE_JPG_SAVE}>
)
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS JXL)
set(SDLIMAGE_JXL_ENABLED FALSE)
if(SDLIMAGE_JXL)
if(SDLIMAGE_JXL_VENDORED)
set(SDLIMAGE_JXL_ENABLED TRUE)
enable_language(CXX)
message(STATUS "${PROJECT_NAME}: Using vendored libjxl")
# BUILD_TESTING variable is used by libjxl
set(BUILD_TESTING OFF CACHE BOOL "build testing")
# JPEGXL_ENABLE_BENCHMARK variable is used by libjxl
set(JPEGXL_ENABLE_BENCHMARK OFF CACHE BOOL "libjpegxl benchmark" FORCE)
# JPEGXL_ENABLE_TOOLS variable is used by libjxl
set(JPEGXL_ENABLE_JNI OFF CACHE BOOL "build jpegxl fni")
# JPEGXL_ENABLE_MANPAGES variable is used by libjxl
set(JPEGXL_ENABLE_MANPAGES OFF CACHE BOOL "libjxl manpage option" FORCE)
# JPEGXL_ENABLE_PLUGINS variable is used by libjxl
set(JPEGXL_ENABLE_PLUGINS OFF CACHE BOOL "libjxl manpage option" FORCE)
# JPEGXL_ENABLE_SKCMS variable is used by libjxl
set(JPEGXL_ENABLE_SKCMS OFF CACHE BOOL "libjxl skcms option" FORCE)
# JPEGXL_FORCE_SYSTEM_HWY variable is used by libjxl
set(JPEGXL_FORCE_SYSTEM_HWY OFF CACHE BOOL "libjxl highway option" FORCE)
sdl_check_project_in_subfolder(external/libjxl libjxl SDLIMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDLIMAGE_JXL_SHARED})
add_subdirectory(external/libjxl EXCLUDE_FROM_ALL)
if(SDLIMAGE_JXL_SHARED)
set(jxl_lib jxl)
set(jxl_install_libs brotlidec brotlicommon brotlienc jxl)
else()
set(jxl_lib jxl_dec-static)
set(jxl_install_libs brotlidec-static brotlicommon-static hwy jxl_dec-static)
list(APPEND PC_LIBS
-l$<TARGET_FILE_BASE_NAME:brotlidec> -l$<TARGET_FILE_BASE_NAME:brotlicommon>
-l$<TARGET_FILE_BASE_NAME:brotlienc> -l$<TARGET_FILE_BASE_NAME:jxl>
)
endif()
if(SDLIMAGE_JXL_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS ${jxl_install_libs})
endif()
set_target_properties(${jxl_lib} PROPERTIES EXPORT_NAME external_libjxl)
add_library(SDL3_image::external_libjxl ALIAS ${jxl_lib})
if(NOT TARGET libjxl::libjxl)
add_library(libjxl::libjxl ALIAS ${jxl_lib})
endif()
else()
find_package(libjxl ${required})
if(libjxl_FOUND)
message(STATUS "${PROJECT_NAME}: Using system libjxl")
set(SDLIMAGE_JXL_ENABLED TRUE)
if(NOT SDLIMAGE_JXL_SHARED)
list(APPEND PC_REQUIRES libjxl)
list(APPEND INSTALL_EXTRA_CMAKE_MODULES cmake/Findlibjxl.cmake)
endif()
else()
message(${fatal_error} "libjxl NOT found")
endif()
endif()
if(SDLIMAGE_JXL_ENABLED)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_JXL)
if(SDLIMAGE_JXL_SHARED)
target_include_directories(${sdl3_image_target_name} PRIVATE
$<TARGET_PROPERTY:libjxl::libjxl,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:libjxl::libjxl,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:libjxl::libjxl,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_jxl libjxl::libjxl)
message(STATUS "Dynamic libjxl: ${dynamic_jxl}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_JXL_DYNAMIC=\"${dynamic_jxl}\"")
if(SDLIMAGE_JXL_VENDORED)
add_dependencies(${sdl3_image_target_name} libjxl::libjxl)
endif()
else()
target_link_libraries(${sdl3_image_target_name} PRIVATE libjxl::libjxl)
endif()
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS LBM)
set(SDLIMAGE_LBM_ENABLED FALSE)
if(SDLIMAGE_LBM)
set(SDLIMAGE_LBM_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_LBM)
endif()
list(APPEND SDLIMAGE_BACKENDS PCX)
set(SDLIMAGE_PCX_ENABLED FALSE)
if(SDLIMAGE_PCX)
set(SDLIMAGE_PCX_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_PCX)
endif()
list(APPEND SDLIMAGE_BACKENDS PNG)
set(SDLIMAGE_PNG_ENABLED FALSE)
if(SDLIMAGE_PNG)
if(SDLIMAGE_BACKEND_STB OR SDLIMAGE_BACKEND_WIC OR SDLIMAGE_BACKEND_IMAGEIO)
set(SDLIMAGE_PNG_ENABLED TRUE)
else()
if(SDLIMAGE_PNG_VENDORED)
set(SDLIMAGE_PNG_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libpng")
set(PNG_TESTS OFF CACHE BOOL "Build PNG Tests" FORCE)
set(SKIP_INSTALL_EXPORT TRUE)
sdl_check_project_in_subfolder(external/libpng libpng SDLIMAGE_VENDORED)
add_subdirectory(external/libpng EXCLUDE_FROM_ALL)
if(SDLIMAGE_PNG_SHARED)
set(PNG_LIBRARY png_shared)
else()
set(PNG_LIBRARY png_static)
endif()
add_library(PNG::PNG ALIAS ${PNG_LIBRARY})
set_property(TARGET ${PNG_LIBRARY} PROPERTY DEBUG_POSTFIX "")
target_include_directories(${sdl3_image_target_name} PRIVATE external/libpng)
if(SDLIMAGE_PNG_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS ${PNG_LIBRARY})
endif()
set_target_properties(${PNG_LIBRARY} PROPERTIES EXPORT_NAME external_libpng)
add_library(SDL3_image::external_libpng ALIAS ${PNG_LIBRARY})
if(NOT SDLIMAGE_PNG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:${PNG_LIBRARY}>)
if(SDLIMAGE_ZLIB_VENDORED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:${ZLIB_LIBRARY}>)
else()
list(APPEND PC_REQUIRES zlib)
endif()
endif()
else()
find_package(PNG ${required})
if(PNG_FOUND)
message(STATUS "${PROJECT_NAME}: Using system libpng")
set(SDLIMAGE_PNG_ENABLED TRUE)
if(NOT SDLIMAGE_PNG_SHARED)
list(APPEND PC_REQUIRES libpng)
endif()
else()
message(${FATAL_ERROR} "libpng NOT found")
endif()
endif()
if(SDLIMAGE_PNG_ENABLED)
if(SDLIMAGE_PNG_SHARED)
target_include_directories(${sdl3_image_target_name} PRIVATE
$<TARGET_PROPERTY:PNG::PNG,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:PNG::PNG,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:PNG::PNG,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_png PNG::PNG)
message(STATUS "Dynamic libpng: ${dynamic_png}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_PNG_DYNAMIC=\"${dynamic_png}\"")
if(SDLIMAGE_PNG_VENDORED)
add_dependencies(${sdl3_image_target_name} PNG::PNG)
endif()
else()
target_link_libraries(${sdl3_image_target_name} PRIVATE PNG::PNG)
endif()
endif()
endif()
if(SDLIMAGE_PNG_ENABLED)
target_compile_definitions(${sdl3_image_target_name} PRIVATE
LOAD_PNG
SDL_IMAGE_SAVE_PNG=$<BOOL:${SDLIMAGE_PNG_SAVE}>
)
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS PNM)
set(SDLIMAGE_PNM_ENABLED FALSE)
if(SDLIMAGE_PNM)
set(SDLIMAGE_PNM_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_PNM)
endif()
list(APPEND SDLIMAGE_BACKENDS QOI)
set(SDLIMAGE_QOI_ENABLED FALSE)
if(SDLIMAGE_QOI)
set(SDLIMAGE_QOI_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_QOI)
endif()
list(APPEND SDLIMAGE_BACKENDS SVG)
set(SDLIMAGE_SVG_ENABLED FALSE)
if(SDLIMAGE_SVG)
set(SDLIMAGE_SVG_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_SVG)
endif()
list(APPEND SDLIMAGE_BACKENDS TGA)
set(SDLIMAGE_TGA_ENABLED FALSE)
if(SDLIMAGE_TGA)
set(SDLIMAGE_TGA_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_TGA)
endif()
list(APPEND SDLIMAGE_BACKENDS TIF)
set(SDLIMAGE_TIF_ENABLED FALSE)
if(SDLIMAGE_TIF)
if(SDLIMAGE_BACKEND_IMAGEIO OR SDLIMAGE_BACKEND_WIC)
set(SDLIMAGE_TIF_ENABLED TRUE)
else()
if(SDLIMAGE_TIF_VENDORED)
set(SDLIMAGE_TIF_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libtiff")
# tiff-tests variable is used by vendored libtiff
set(tiff-tests OFF CACHE BOOL "libtiff: tests" FORCE)
# jpeg variable is used by vendored libtiff
set(jpeg OFF CACHE BOOL "libtiff: jpeg option" FORCE)
# libdeflate variable is used by vendored libtiff
set(libdeflate OFF CACHE BOOL "libtiff: libdeflate option" FORCE)
# DEFLATE_FOUND variable is used by vendored libtiff
set(DEFLATE_FOUND OFF CACHE BOOL "libtiff: libdeflate option" FORCE)
# zlib variable is used by vendored libtiff (controls use of `find_package`)
set(zlib OFF CACHE BOOL "libtiff: find zlib using find_package" FORCE)
# ZLIB_FOUND is used by vendored libtiff
set(ZLIB_FOUND "")
# lzma variable is used by vendored libtiff
set(lzma OFF CACHE BOOL "libtiff: lzma option" FORCE)
# webp variable is used by vendored libtiff
set(webp OFF CACHE BOOL "libtiff: webp option" FORCE)
# zstd variable is used by vendored libtiff
set(zstd OFF CACHE BOOL "libtiff: zstd option" FORCE)
# ZSTD_FOUND variable is used by vendored libtiff
set(ZSTD_FOUND OFF)
# WEBP_LIBRARY variable is used by vendored libtiff
set(WEBP_LIBRARY "")
sdl_check_project_in_subfolder(external/libtiff libtiff SDLIMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDLIMAGE_TIF_SHARED})
add_subdirectory(external/libtiff EXCLUDE_FROM_ALL)
add_library(TIFF::TIFF ALIAS tiff)
set(SDL2IMAGE_TIF_TARGET "TIFF::tiff")
if(SDLIMAGE_TIF_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS tiff)
endif()
set_target_properties(tiff PROPERTIES EXPORT_NAME external_libtiff)
add_library(SDL3_image::external_libtiff ALIAS tiff)
if(NOT SDLIMAGE_TIF_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:tiff>)
endif()
else()
find_package(TIFF ${required})
if(TIFF_FOUND)
message(STATUS "${PROJECT_NAME}: Using system libtiff")
set(SDLIMAGE_TIF_ENABLED TRUE)
if(NOT SDLIMAGE_TIF_SHARED)
list(APPEND PC_REQUIRES libtiff-4)
endif()
if(TARGET TIFF::tiff)
# introduced in CMake 3.28
# TIFF::TIFF still exists, but it is an INTERFACE library linking to TIFF::tiff (no ALIAS library)
set(SDL2IMAGE_TIF_TARGET "TIFF::tiff")
else()
set(SDL2IMAGE_TIF_TARGET "TIFF::TIFF")
endif()
else()
message(${fatal_error} "libtiff NOT found")
endif()
endif()
if(SDLIMAGE_TIF_ENABLED)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_TIF)
if(SDLIMAGE_TIF_SHARED)
target_include_directories(${sdl3_image_target_name} PRIVATE
$<TARGET_PROPERTY:${SDL2IMAGE_TIF_TARGET},INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:${SDL2IMAGE_TIF_TARGET},INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:${SDL2IMAGE_TIF_TARGET},INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_tif ${SDL2IMAGE_TIF_TARGET})
message(STATUS "Dynamic libtiff: ${dynamic_tif}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_TIF_DYNAMIC=\"${dynamic_tif}\"")
if(SDLIMAGE_TIF_VENDORED)
add_dependencies(${sdl3_image_target_name} ${SDL2IMAGE_TIF_TARGET})
endif()
else()
target_link_libraries(${sdl3_image_target_name} PRIVATE ${SDL2IMAGE_TIF_TARGET})
endif()
endif()
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS WEBP)
set(SDLIMAGE_WEBP_ENABLED FALSE)
if(SDLIMAGE_WEBP)
# missing cpufeatures
if(SDLIMAGE_WEBP_VENDORED)
set(SDLIMAGE_WEBP_ENABLED TRUE)
message(STATUS "${PROJECT_NAME}: Using vendored libwebp")
sdl_check_project_in_subfolder(external/libwebp libwebp SDLIMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDLIMAGE_WEBP_SHARED})
add_subdirectory(external/libwebp EXCLUDE_FROM_ALL)
target_include_directories(${sdl3_image_target_name} PRIVATE external/libwebp/src)
add_library(WebP::webp ALIAS webp)
add_library(WebP::webpdemux ALIAS webpdemux)
if(SDLIMAGE_WEBP_SHARED OR NOT SDLIMAGE_BUILD_SHARED_LIBS)
list(APPEND INSTALL_EXTRA_TARGETS webp webpdemux)
if(NOT SDLIMAGE_WEBP_SHARED)
list(APPEND INSTALL_EXTRA_TARGETS sharpyuv)
endif()
endif()
set_target_properties(webp PROPERTIES EXPORT_NAME "external_libwebp")
set_target_properties(webpdemux PROPERTIES EXPORT_NAME "external_webpdemux")
set_target_properties(sharpyuv PROPERTIES EXPORT_NAME "external_sharpyuv")
add_library(SDL3_image::external_libwebp ALIAS webp)
else()
find_package(webp ${required})
if(webp_FOUND)
message(STATUS "${PROJECT_NAME}: Using system libwebp")
set(SDLIMAGE_WEBP_ENABLED TRUE)
if(NOT SDLIMAGE_WEBP_SHARED)
list(APPEND PC_REQUIRES libwebp libwebpdemux)
list(APPEND INSTALL_EXTRA_CMAKE_MODULES cmake/Findwebp.cmake)
endif()
else()
message(${fatal_error} "libwebp NOT found")
endif()
endif()
if(SDLIMAGE_WEBP_ENABLED)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_WEBP)
if(SDLIMAGE_WEBP_SHARED)
target_include_directories(${sdl3_image_target_name} PRIVATE
$<TARGET_PROPERTY:WebP::webp,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webp,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webp,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_webpdemux WebP::webpdemux)
message(STATUS "Dynamic libwebpdemux: ${dynamic_webpdemux}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_WEBPDEMUX_DYNAMIC=\"${dynamic_webpdemux}\"")
target_get_dynamic_library(dynamic_webp WebP::webp)
message(STATUS "Dynamic libwebp: ${dynamic_webp}")
target_compile_definitions(${sdl3_image_target_name} PRIVATE "LOAD_WEBP_DYNAMIC=\"${dynamic_webp}\"")
if(SDLIMAGE_WEBP_VENDORED)
add_dependencies(${sdl3_image_target_name} WebP::webp WebP::webpdemux)
endif()
else()
target_link_libraries(${sdl3_image_target_name} PRIVATE WebP::webp WebP::webpdemux)
endif()
endif()
endif()
list(APPEND SDLIMAGE_BACKENDS XCF)
set(SDLIMAGE_XCF_ENABLED FALSE)
if(SDLIMAGE_XCF)
set(SDLIMAGE_XCF_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_XCF)
endif()
list(APPEND SDLIMAGE_BACKENDS XPM)
set(SDLIMAGE_XPM_ENABLED FALSE)
if(SDLIMAGE_XPM)
set(SDLIMAGE_XPM_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_XPM)
endif()
list(APPEND SDLIMAGE_BACKENDS XV)
set(SDLIMAGE_XV_ENABLED FALSE)
if(SDLIMAGE_XV)
set(SDLIMAGE_XV_ENABLED TRUE)
target_compile_definitions(${sdl3_image_target_name} PRIVATE LOAD_XV)
endif()
# Restore BUILD_SHARED_LIBS
set(BUILD_SHARED_LIBS ${SDLIMAGE_BUILD_SHARED_LIBS})
if(SDLIMAGE_INSTALL)
install(
TARGETS ${sdl3_image_target_name}
EXPORT SDL3ImageExports
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
)
install(
FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/SDL3_image/SDL_image.h"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/SDL3_image" COMPONENT DEVEL
)
if(BUILD_SHARED_LIBS)
set(pdbdir "${CMAKE_INSTALL_BINDIR}")
else()
set(pdbdir "${CMAKE_INSTALL_LIBDIR}")
endif()
if(MSVC)
SDL_install_pdb("${sdl3_image_target_name}" "${pdbdir}")
endif()
if(INSTALL_EXTRA_TARGETS)
set_property(TARGET ${INSTALL_EXTRA_TARGETS} PROPERTY PUBLIC_HEADER "")
set(archive_destination)
if(NOT BUILD_SHARED_LIBS)
set(archive_destination ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel)
endif()
install(
TARGETS ${INSTALL_EXTRA_TARGETS}
EXPORT SDL3ImageExports
${archive_destination}
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
)
if(MSVC)
foreach(tgt IN LISTS INSTALL_EXTRA_TARGETS)
SDL_install_pdb("${tgt}" "${pdbdir}")