Add libjpeg-turbo dependency

3rdParty/libjpeg-turbo/CMakeLists.txt

@@ -0,0 +1,30 @@
+include(FetchContent)
+
+Find_Package(libjpeg-turbo QUIET)
+if (libjpeg-turbo_FOUND)
+    message("Using system libjpeg-turbo")
+else ()
+    file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/deps_ljt)
+    execute_process(
+            COMMAND ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR} -DTOOLCHAIN_FILE=${TOOLCHAIN_FILE} ${CMAKE_CURRENT_SOURCE_DIR}/ext
+            WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/deps_ljt
+    )
+    execute_process(
+            COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}/deps_ljt
+			RESULT_VARIABLE build_result
+    )
+	if (NOT ${build_result} EQUAL "0")
+		message(FATAL_ERROR "Failed to build libjpeg-turbo!")
+	endif()
+
+    set(libjpeg-turbo_BUILT "built libjpeg-turbo" CACHE INTERNAL ON)
+endif ()
+
+
+function(LinkLibJpegTurbo TARGET)
+	if (libjpeg-turbo_BUILT)
+		list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR}/deps_ljt/INSTALL/lib/cmake)
+	endif()
+	find_package(libjpeg-turbo REQUIRED)
+	target_link_libraries(${TARGET} PUBLIC libjpeg-turbo::turbojpeg-static)
+endfunction()

3rdParty/libjpeg-turbo/ext/CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.16)
+project(build_libjpeg-turbo)
+include(ExternalProject)
+
+if(NOT DEFINED LIBJPEGTURBO_REPO)
+    set(LIBJPEGTURBO_REPO https://github.com/libjpeg-turbo/libjpeg-turbo.git)
+endif ()
+
+ExternalProject_Add(libjpegturbo
+        GIT_REPOSITORY ${LIBJPEGTURBO_REPO}
+        GIT_TAG 3.0.3
+        GIT_SHALLOW TRUE
+        SOURCE_DIR libjpegturbo
+        BINARY_DIR libjpegturbo-build
+        CMAKE_GENERATOR ${CMAKE_GENERATOR}
+        CMAKE_ARGS
+            -DBUILD_SHARED_LIBS:BOOL=OFF
+			-DENABLE_SHARED:BOOL=OFF
+            -DCMAKE_TOOLCHAIN_FILE:FILEPATH=${TOOLCHAIN_FILE}
+            -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_BINARY_DIR}/INSTALL
+            -DCMAKE_BUILD_TYPE:STRING=Release
+        )