_output.txt

java.lang.Throwable
        at com.unascribed.chipper.OpenGLDebug.lambda$0(OpenGLDebug.java:57)
        at org.lwjgl.opengl.GLDebugMessageCallbackI.callback(GLDebugMessageCallbackI.java:39)
        at org.lwjgl.opengl.GL11C.glEnable(Native Method)
        at org.lwjgl.opengl.GL11.glEnable(GL11.java:777)
        at com.unascribed.chipper.Chipper.main(Chipper.java:133)
[16:15:18.764] [E/OpenGL] API Error: 0x3 GL_INVALID_ENUM in glEnable(GL_FRONT)

OpenGLDebug.java

package com.unascribed.chipper;

import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.opengl.GL43.*;
import static org.lwjgl.system.MemoryUtil.*;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import org.lwjgl.opengl.GL;
import org.lwjgl.opengl.GLDebugMessageCallbackI;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class OpenGLDebug {
	private static final Logger log = LoggerFactory.getLogger("OpenGL");
	
	@SuppressWarnings("unused")
	private static GLDebugMessageCallbackI callback;
	
	private static Map<Integer, String> strings = new HashMap<>();
	static {
		strings.put(GL_DEBUG_SOURCE_API, "API");
		strings.put(GL_DEBUG_SOURCE_WINDOW_SYSTEM, "Window System");
		strings.put(GL_DEBUG_SOURCE_SHADER_COMPILER, "Shader Compiler");
		strings.put(GL_DEBUG_SOURCE_THIRD_PARTY, "Third Party");
		strings.put(GL_DEBUG_SOURCE_APPLICATION, "Application");
		strings.put(GL_DEBUG_SOURCE_OTHER, "Other");
		strings.put(GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR, "Deprecated Behavior");
		strings.put(GL_DEBUG_TYPE_ERROR, "Error");
		strings.put(GL_DEBUG_TYPE_MARKER, "Marker");
		strings.put(GL_DEBUG_TYPE_OTHER, "Other");
		strings.put(GL_DEBUG_TYPE_PERFORMANCE, "Performance");
		strings.put(GL_DEBUG_TYPE_POP_GROUP, "Pop Group");
		strings.put(GL_DEBUG_TYPE_PORTABILITY, "Portability");
		strings.put(GL_DEBUG_TYPE_PUSH_GROUP, "Push Group");
		strings.put(GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR, "Undefined Behavior");
	}

	public static void install() {
		if (GL.getCapabilities().OpenGL43 || GL.getCapabilities().GL_KHR_debug) {
			glEnable(GL_DEBUG_OUTPUT);
			glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
			glDebugMessageCallback(callback = (sourceId, typeId, id, severity, length, messagePtr, userParam) -> {
				String message = memASCII(messagePtr);
				String source = strings.containsKey(sourceId) ? strings.get(sourceId) : "Unknown";
				String type = strings.containsKey(typeId) ? strings.get(typeId) : "Unknown";
				String idHex = "0x"+Integer.toHexString(id).toUpperCase(Locale.ROOT);
				if (severity == GL_DEBUG_SEVERITY_NOTIFICATION) {
					log.debug("{} {}: {} {}", source, type, idHex, message);
				} else if (severity == GL_DEBUG_SEVERITY_LOW) {
					log.info("{} {}: {} {}", source, type, idHex, message);
				} else if (severity == GL_DEBUG_SEVERITY_MEDIUM) {
					log.warn("{} {}: {} {}", source, type, idHex, message);
				} else if (severity == GL_DEBUG_SEVERITY_HIGH) {
					log.error("{} {}: {} {}", source, type, idHex, message, new Throwable().fillInStackTrace());
				}
			}, NULL);
		}
	}
	
}