[OpenGL] Update core and extensions

build.gradle.kts

@@ -1,4 +1,5 @@
 import org.gradle.plugins.ide.idea.model.IdeaModel
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.nio.file.Files
 import kotlin.io.path.Path
 
@@ -7,6 +8,7 @@ plugins {
     `maven-publish`
     signing
     id("me.champeau.jmh") version "0.7.1" apply false
+    embeddedKotlin("jvm") apply false
 }
 
 val projGroupId: String by project
@@ -19,9 +21,12 @@ val orgName: String by project
 val orgUrl: String by project
 val developers: String by project
 
-val jdkEABuildDoc: String? = null
-val targetJavaVersion = 21
-val enablePreview = true
+val jdkVersion: String by rootProject
+val jdkEnablePreview: String by rootProject
+val jdkEarlyAccessDoc: String? by rootProject
+val kotlinTargetJdkVersion: String by rootProject
+
+val targetJavaVersion = jdkVersion.toInt()
 
 group = projGroupId
 version = projVersion
@@ -121,6 +126,7 @@ subprojects {
     apply(plugin = "java-library")
     apply(plugin = "idea")
     apply(plugin = "me.champeau.jmh")
+    apply(plugin = "org.jetbrains.kotlin.jvm")
 
     group = projGroupId
     version = projVersion
@@ -145,12 +151,16 @@ subprojects {
 
     tasks.withType<JavaCompile> {
         options.encoding = "UTF-8"
-        if (enablePreview) options.compilerArgs.add("--enable-preview")
+        if (jdkEnablePreview.toBoolean()) options.compilerArgs.add("--enable-preview")
         options.release.set(targetJavaVersion)
     }
 
+    tasks.withType<KotlinCompile> {
+        kotlinOptions { jvmTarget = kotlinTargetJdkVersion }
+    }
+
     tasks.withType<Test> {
-        if (enablePreview) jvmArgs("--enable-preview")
+        if (jdkEnablePreview.toBoolean()) jvmArgs("--enable-preview")
     }
 
     extensions.configure<JavaPluginExtension>("java") {
@@ -241,10 +251,10 @@ allprojects {
                     charSet = "UTF-8"
                     docEncoding = "UTF-8"
                     isAuthor = true
-                    if (jdkEABuildDoc == null) {
+                    if (jdkEarlyAccessDoc == null) {
                         links("https://docs.oracle.com/en/java/javase/$targetJavaVersion/docs/api/")
                     } else {
-                        links("https://download.java.net/java/early_access/$jdkEABuildDoc/docs/api/")
+                        links("https://download.java.net/java/early_access/$jdkEarlyAccessDoc/docs/api/")
                     }
 
                     tags(
@@ -288,17 +298,6 @@ publishing.publications {
             name.set(orgName)
             url.set(orgUrl)
         }
-        developers {
-            developers.split(',')
-                .map { it.split(':', limit = 3) }
-                .forEach { (id1, name1, email1) ->
-                    developer {
-                        id.set(id1)
-                        name.set(name1)
-                        email.set(email1)
-                    }
-                }
-        }
         scm {
             connection.set("scm:git:https://github.com/${projVcs}.git")
             developerConnection.set("scm:git:https://github.com/${projVcs}.git")

gradle.properties

@@ -12,7 +12,9 @@ projBranch=main
 orgName=Overrun Organization
 orgUrl=https://over-run.github.io/
 
-# Developers
-developers=squid233:squid233:[email protected]
+jdkVersion=21
+jdkEnablePreview=true
+#jdkEarlyAccessDoc=jdk22
+kotlinTargetJdkVersion=21
 
 projModules=core, glfw, nfd, joml, opengl, stb

modules/overrungl.core/src/main/java/overrungl/Callback.java

@@ -23,6 +23,7 @@
 import java.lang.foreign.MemorySegment;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
+import java.util.function.Function;
 
 /**
  * The upcall stub which can be passed to other foreign functions as a function pointer,
@@ -58,6 +59,16 @@ default MemorySegment address(Arena arena) {
      */
     MethodHandle handle(MethodHandles.Lookup lookup) throws NoSuchMethodException, IllegalAccessException;
 
+    /**
+     * Creates a method handle that invokes a native function callback.
+     *
+     * @param segment the segment of the native function.
+     * @return the method handle
+     */
+    default MethodHandle nativeHandle(MemorySegment segment) {
+        return RuntimeHelper.LINKER.downcallHandle(segment, descriptor());
+    }
+
     /**
      * Gets the memory segment of the upcall stub with the given arena.
      *
@@ -72,4 +83,13 @@ default MemorySegment segment(Arena arena, FunctionDescriptor function) {
             throw new RuntimeException(e);
         }
     }
+
+    /**
+     * Method handle getter.
+     *
+     * @author squid233
+     * @since 0.1.0
+     */
+    interface Native<T> extends Function<MemorySegment, T> {
+    }
 }

modules/overrungl.opengl/build.gradle.kts

@@ -1,10 +1,24 @@
+val jdkVersion: String by rootProject
+val jdkEnablePreview: String by rootProject
+val kotlinTargetJdkVersion: String by rootProject
+
 sourceSets {
     create("generator")
 }
 
+tasks.named<JavaCompile>("compileGeneratorJava") {
+    javaCompiler.set(javaToolchains.compilerFor {
+        targetCompatibility = kotlinTargetJdkVersion
+        languageVersion.set(JavaLanguageVersion.of(jdkVersion))
+    })
+}
+
 tasks.register<JavaExec>("generate") {
     classpath(sourceSets["generator"].runtimeClasspath)
-    jvmArgs("--enable-preview")
-    mainClass.set("overrungl.opengl.OpenGLGenerator")
+    javaLauncher.set(javaToolchains.launcherFor {
+        languageVersion.set(JavaLanguageVersion.of(jdkVersion))
+    })
+    if (jdkEnablePreview.toBoolean()) jvmArgs("--enable-preview")
+    mainClass.set("overrungl.opengl.OpenGLGeneratorKt")
     workingDir = File("src/main/java/overrungl/opengl")
 }