1 files changed, 39 insertions, 0 deletions
diff --git a/src/main/java/io/polyfrost/oneconfig/lwjgl/Lwjgl2FunctionProvider.java b/src/main/java/io/polyfrost/oneconfig/lwjgl/Lwjgl2FunctionProvider.java
new file mode 100644
index 0000000..ea1a44b
--- /dev/null
+++ b/src/main/java/io/polyfrost/oneconfig/lwjgl/Lwjgl2FunctionProvider.java
@@ -0,0 +1,39 @@
+package io.polyfrost.oneconfig.lwjgl;
+
+import org.lwjgl.opengl.GLContext;
+import org.lwjgl.system.FunctionProvider;
+
+import java.lang.reflect.Method;
+import java.nio.ByteBuffer;
+
+/**
+ * Taken from LWJGLTwoPointFive under The Unlicense
+ * https://github.com/DJtheRedstoner/LWJGLTwoPointFive/blob/master/LICENSE/
+ */
+public class Lwjgl2FunctionProvider implements FunctionProvider {
+
+    private final Method m_getFunctionAddress;
+
+    public Lwjgl2FunctionProvider() {
+        try {
+            m_getFunctionAddress = GLContext.class.getDeclaredMethod("getFunctionAddress", String.class);
+            m_getFunctionAddress.setAccessible(true);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public long getFunctionAddress(CharSequence functionName) {
+        try {
+            return (long) m_getFunctionAddress.invoke(null, functionName.toString());
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public long getFunctionAddress(ByteBuffer byteBuffer) {
+        throw new UnsupportedOperationException();
+    }
+}
+\ No newline at end of file