From 3e2192236fc28fe8947ec92039dcfc6f32669601 Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.dev>
Date: Sat, 3 Aug 2019 17:48:37 +0100
Subject: [PATCH] Add jaggl_dri implementation

---
 gl-dri-natives/pom.xml                | 21 ++++++++++-
 gl-dri-natives/src/main/c/jaggl_dri.c | 29 +++++++++++++++
 pom.xml                               | 51 ++++++++++++++++++++++++++-
 3 files changed, 99 insertions(+), 2 deletions(-)
 create mode 100644 gl-dri-natives/src/main/c/jaggl_dri.c

diff --git a/gl-dri-natives/pom.xml b/gl-dri-natives/pom.xml
index d7488926..29e8fd2b 100644
--- a/gl-dri-natives/pom.xml
+++ b/gl-dri-natives/pom.xml
@@ -9,7 +9,26 @@
   </parent>
 
   <artifactId>openrs2-gl-dri-natives</artifactId>
-  <packaging>jar</packaging>
+  <packaging>nar</packaging>
 
   <name>OpenRS2 GL DRI Natives</name>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>com.github.maven-nar</groupId>
+        <artifactId>nar-maven-plugin</artifactId>
+        <configuration>
+          <linker>
+            <sysLibs>
+              <sysLib>
+                <type>shared</type>
+                <name>dl</name>
+              </sysLib>
+            </sysLibs>
+          </linker>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
 </project>
diff --git a/gl-dri-natives/src/main/c/jaggl_dri.c b/gl-dri-natives/src/main/c/jaggl_dri.c
new file mode 100644
index 00000000..520d4e43
--- /dev/null
+++ b/gl-dri-natives/src/main/c/jaggl_dri.c
@@ -0,0 +1,29 @@
+#include "jaggl_X11_dri.h"
+
+#include <dlfcn.h>
+#include <stddef.h>
+
+static void *jaggl_dri_handle;
+
+JNIEXPORT jboolean JNICALL Java_jaggl_X11_dri_open(JNIEnv *env, jclass cls, jstring path) {
+	if (jaggl_dri_handle) {
+		dlclose(jaggl_dri_handle);
+		jaggl_dri_handle = NULL;
+	}
+
+	const char *path_str = (*env)->GetStringUTFChars(env, path, NULL);
+	jaggl_dri_handle = dlopen(path_str, RTLD_LAZY | RTLD_GLOBAL);
+	(*env)->ReleaseStringUTFChars(env, path, path_str);
+
+	return jaggl_dri_handle != NULL;
+}
+
+JNIEXPORT jboolean JNICALL Java_jaggl_X11_dri_close(JNIEnv *env, jclass cls) {
+	if (jaggl_dri_handle) {
+		dlclose(jaggl_dri_handle);
+		jaggl_dri_handle = NULL;
+		return JNI_TRUE;
+	}
+
+	return JNI_FALSE;
+}
diff --git a/pom.xml b/pom.xml
index 086e699a..3c12c81e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,7 +16,6 @@
     <module>deob-annotations</module>
     <module>fernflower</module>
     <module>game</module>
-    <module>gl-dri-natives</module>
     <module>gl-natives</module>
     <module>misc-natives</module>
     <module>util</module>
@@ -97,6 +96,11 @@
   <build>
     <pluginManagement>
       <plugins>
+        <plugin>
+          <groupId>com.github.maven-nar</groupId>
+          <artifactId>nar-maven-plugin</artifactId>
+          <version>3.6.0</version>
+        </plugin>
         <plugin>
           <groupId>io.github.zlika</groupId>
           <artifactId>reproducible-build-maven-plugin</artifactId>
@@ -170,6 +174,25 @@
       </plugins>
     </pluginManagement>
     <plugins>
+      <plugin>
+        <groupId>com.github.maven-nar</groupId>
+        <artifactId>nar-maven-plugin</artifactId>
+        <extensions>true</extensions>
+        <configuration>
+          <libraries>
+            <library>
+              <type>shared</type>
+              <linkCPP>false</linkCPP>
+            </library>
+          </libraries>
+          <c>
+            <optimize>full</optimize>
+          </c>
+          <java>
+            <include>true</include>
+          </java>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>io.github.zlika</groupId>
         <artifactId>reproducible-build-maven-plugin</artifactId>
@@ -261,5 +284,31 @@
         <module>nonfree</module>
       </modules>
     </profile>
+    <profile>
+      <id>unix</id>
+      <activation>
+        <os>
+          <family>unix</family>
+        </os>
+      </activation>
+      <modules>
+        <module>gl-dri-natives</module>
+      </modules>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>com.github.maven-nar</groupId>
+            <artifactId>nar-maven-plugin</artifactId>
+            <configuration>
+              <linker>
+                <options>
+                  <option>-fPIC</option>
+                </options>
+              </linker>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 </project>