cmake: backport support for vendored libavif from SDL3_image

Hand-picked from commits d42d109, 6ef1e21, and c655da0.

.github/workflows/main.yml

@@ -40,14 +40,15 @@ jobs:
           ${{ matrix.platform.msys-env }}-autotools
           ${{ matrix.platform.msys-env }}-cmake
           ${{ matrix.platform.msys-env }}-gcc
+          ${{ matrix.platform.msys-env }}-ninja
+          ${{ matrix.platform.msys-env }}-pkg-config
+          ${{ matrix.platform.msys-env }}-nasm
           ${{ matrix.platform.msys-env }}-libavif
           ${{ matrix.platform.msys-env }}-libjpeg-turbo
           ${{ matrix.platform.msys-env }}-libjxl
           ${{ matrix.platform.msys-env }}-libpng
           ${{ matrix.platform.msys-env }}-libtiff
           ${{ matrix.platform.msys-env }}-libwebp
-          ${{ matrix.platform.msys-env }}-ninja
-          ${{ matrix.platform.msys-env }}-pkg-config
           ${{ matrix.platform.msys-env }}-zlib
     - name: Install Ninja
       uses: turtlesec-no/get-ninja@main
@@ -72,6 +73,7 @@ jobs:
           libpng \
           libtiff \
           libtool \
+          nasm \
           ninja \
           pkg-config \
           webp \
@@ -91,10 +93,14 @@ jobs:
           libtiff-dev \
           libtool \
           libwebp-dev \
+          nasm \
           ninja-build \
           pkg-config \
           zlib1g-dev \
           ${NULL+}
+    - name: Set up NASM
+      uses: ilammy/setup-nasm@v1
+      if: ${{ matrix.platform.vendored && !contains(matrix.platform.shell, 'msys2') }}
 
     - uses: actions/checkout@v3
       with:
@@ -123,11 +129,10 @@ jobs:
           -DSDL2IMAGE_SAMPLES=ON \
           -DSDL2IMAGE_TESTS=ON \
           -DSDL2IMAGE_TESTS_INSTALL=ON \
-          -DSDL2IMAGE_AVIF=${{ !matrix.platform.vendored }} \
+          -DSDL2IMAGE_AVIF=ON \
           -DSDL2IMAGE_JXL=ON \
           -DSDL2IMAGE_TIF=ON \
           -DSDL2IMAGE_WEBP=ON \
-          -DSDL2IMAGE_VENDORED=${{ !!matrix.platform.vendored }} \
           -DCMAKE_INSTALL_PREFIX=prefix_cmake \
           ${{ matrix.platform.cmake }}
     - name: Build (CMake)
@@ -149,7 +154,7 @@ jobs:
           export PATH="$sdl_binpath:$sdlimage_binpath:$PATH"
         fi
 
-        export SDL_IMAGE_TEST_REQUIRE_LOAD_AVIF=${{ (matrix.platform.vendored && '0') || '1' }}
+        export SDL_IMAGE_TEST_REQUIRE_LOAD_AVIF=1
         export SDL_IMAGE_TEST_REQUIRE_LOAD_BMP=1
         export SDL_IMAGE_TEST_REQUIRE_LOAD_CUR=1
         export SDL_IMAGE_TEST_REQUIRE_LOAD_GIF=1

.gitmodules

@@ -25,8 +25,8 @@
 [submodule "external/libavif"]
 	path = external/libavif
 	url = https://github.com/libsdl-org/libavif.git
-	branch = v0.10.1-SDL
+	branch = v1.0.1-SDL
 [submodule "external/dav1d"]
 	path = external/dav1d
 	url = https://github.com/libsdl-org/dav1d.git
-	branch = 1.0.0-SDL
+	branch = 1.2.1-SDL

CMakeLists.txt

@@ -103,6 +103,19 @@ endif()
 cmake_dependent_option(SDL2IMAGE_AVIF_SHARED "Dynamically load AVIF support (requires shared libavif)"
     ${SDL2IMAGE_DEPS_SHARED} SDL2IMAGE_AVIF OFF)
 
+if(SDL2IMAGE_AVIF_VENDORED)
+  set(SDL2IMAGE_DAV1D ON)
+  set(SDL2IMAGE_DAV1D_VENDORED ON)
+else()
+  set(SDL2IMAGE_DAV1D OFF)
+  set(SDL2IMAGE_DAV1D_VENDORED OFF)
+endif()
+if(SDL2IMAGE_AVIF_SHARED)
+  set(SDL2IMAGE_DAV1D_SHARED ON)
+else()
+  set(SDL2IMAGE_DAV1D_SHARED OFF)
+endif()
+
 if(SDL2IMAGE_VENDORED AND SDL2IMAGE_JPG AND NOT (SDL2IMAGE_BACKEND_WIC OR SDL2IMAGE_BACKEND_STB OR SDL2IMAGE_BACKEND_IMAGEIO))
     set(SDL2IMAGE_JPG_VENDORED ON)
 else()
@@ -352,20 +365,40 @@ if(SDL2IMAGE_ZLIB)
     endif()
 endif()
 
+if(SDL2IMAGE_DAV1D)
+    if(SDL2IMAGE_DAV1D_VENDORED)
+        message(STATUS "${PROJECT_NAME}: Using vendored dav1d")
+        add_subdirectory(external/dav1d)
+        set(DAV1D_LIBRARY dav1d)
+        list(APPEND INSTALL_EXTRA_TARGETS dav1d)
+    else()
+        message(FATAL_ERROR "Not implemented")
+    endif()
+endif()
+
 if(SDL2IMAGE_AVIF)
     target_compile_definitions(SDL2_image PRIVATE LOAD_AVIF)
     if(SDL2IMAGE_AVIF_VENDORED)
         message(STATUS "${PROJECT_NAME}: Using vendored libavif")
-        message(FATAL_ERROR "libavif is not vendored (yet)")
         sdl_check_project_in_subfolder(external/libavif libavif SDL2IMAGE_VENDORED)
         set(BUILD_SHARED_LIBS ${SDL2IMAGE_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 libaf" FORCE)
+        #FIXME: This requires upgrading vendored libwebp to >= 1.2.4.
+        #set(LIBAVIF_WITH_SHARPYUV_SDLIMAGE ${SDL2IMAGE_WEBP} CACHE BOOL "Build libavif with sharpyuv support (re-use sharpyuv built by libwebp)" FORCE)
         add_subdirectory(external/libavif EXCLUDE_FROM_ALL)
-        list(APPEND INSTALL_EXTRA_TARGETS libavif)
-        set_target_properties(libavif PROPERTIES EXPORT_NAME external_libavif)
-        add_library(SDL2_image::external_libavif ALIAS libavif)
+        list(APPEND INSTALL_EXTRA_TARGETS avif)
+        set_target_properties(avif PROPERTIES EXPORT_NAME external_libavif)
+        add_library(SDL2_image::external_libavif ALIAS avif)
         if(NOT SDL2IMAGE_AVIF_SHARED)
             list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:avif>)
         endif()
+        if(NOT MSVC)
+          check_linker_flag(C "-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()
         message(STATUS "${PROJECT_NAME}: Using system libavif")
         find_package(libavif 1.0 QUIET)

Xcode/avif/dav1d/vcs_version.h

@@ -1,2 +1,2 @@
 /* auto-generated, do not edit */
-#define DAV1D_VERSION "1.0.0-0-g99172b1"
+#define DAV1D_VERSION "1.2.1-3-g5315741"

Xcode/avif/dav1d/version.h

@@ -28,7 +28,7 @@
 #define DAV1D_VERSION_H
 
 #define DAV1D_API_VERSION_MAJOR 6
-#define DAV1D_API_VERSION_MINOR 6
+#define DAV1D_API_VERSION_MINOR 9
 #define DAV1D_API_VERSION_PATCH 0
 
 #endif /* DAV1D_VERSION_H */