diff --git a/rpcs3/Emu/RSX/GL/GLHelpers.cpp b/rpcs3/Emu/RSX/GL/GLHelpers.cpp
index 709b07f2c9..557317748c 100644
--- a/rpcs3/Emu/RSX/GL/GLHelpers.cpp
+++ b/rpcs3/Emu/RSX/GL/GLHelpers.cpp
@@ -52,33 +52,119 @@ namespace gl
 		g_compute_tasks.clear();
 	}
 
-#ifdef WIN32
-	void APIENTRY dbgFunc(GLenum source, GLenum type, GLuint id,
-		GLenum severity, GLsizei lenght, const GLchar* message,
-		const void* userParam)
+	// https://www.khronos.org/opengl/wiki/Debug_Output
+	void APIENTRY log_debug(GLenum source, GLenum type, GLuint id,
+	  GLenum severity, GLsizei length, const GLchar* message,
+	  const void* user_param)
 	{
+		// Message source
+		std::string str_source;
+		switch (source)
+		{
+		// Calls to the OpenGL API
+		case GL_DEBUG_SOURCE_API:
+			str_source = "API";
+			break;
+		// Calls to a window-system API
+		case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
+			str_source = "WINDOW_SYSTEM";
+			break;
+		// A compiler for a shading language
+		case GL_DEBUG_SOURCE_SHADER_COMPILER:
+			str_source = "SHADER_COMPILER";
+			break;
+		// An application associated with OpenGL
+		case GL_DEBUG_SOURCE_THIRD_PARTY:
+			str_source = "THIRD_PARTY";
+			break;
+		// Generated by the user of this application
+		case GL_DEBUG_SOURCE_APPLICATION:
+			str_source = "APPLICATION";
+			break;
+		// Some source that isn't one of these
+		case GL_DEBUG_SOURCE_OTHER:
+			str_source = "OTHER";
+			break;
+		// Not on documentation
+		default:
+			str_source = "UNKNOWN";
+			rsx_log.error("log_debug(source=%d): Unknown message source", source);
+		}
+
+		// Message type
+		std::string str_type;
 		switch (type)
 		{
+		// An error, typically from the API
 		case GL_DEBUG_TYPE_ERROR:
-		{
-			rsx_log.error("%s", message);
-			return;
-		}
+			str_type = "ERROR";
+			break;
+		// Some behavior marked deprecated has been used
+		case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
+			str_type = "DEPRECATED";
+			break;
+		// Something has invoked undefined behavior
+		case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
+			str_type = "UNDEFINED";
+			break;
+		// Some functionality the user relies upon is not portable
+		case GL_DEBUG_TYPE_PORTABILITY:
+			str_type = "PORTABILITY";
+			break;
+		// Code has triggered possible performance issues
+		case GL_DEBUG_TYPE_PERFORMANCE:
+			str_type = "PERFORMANCE";
+			break;
+		// Command stream annotation
+		case GL_DEBUG_TYPE_MARKER:
+			str_type = "MARKER";
+			break;
+		// Group pushing
+		case GL_DEBUG_TYPE_PUSH_GROUP:
+			str_type = "PUSH_GROUP";
+			break;
+		// foo
+		case GL_DEBUG_TYPE_POP_GROUP:
+			str_type = "POP_GROUP";
+			break;
+		// Some type that isn't one of these
+		case GL_DEBUG_TYPE_OTHER:
+			str_type = "OTHER";
+			break;
+		// Not on documentation
 		default:
-		{
-			rsx_log.warning("%s", message);
+			str_type = "UNKNOWN";
+			rsx_log.error("log_debug(type=%d): Unknown message type", type);
+		}
+
+	  switch (severity)
+	  {
+		// All OpenGL Errors, shader compilation/linking errors, or highly-dangerous undefined behavior
+		case GL_DEBUG_SEVERITY_HIGH:
+		// Major performance warnings, shader compilation/linking warnings, or the use of deprecated functionality
+		case GL_DEBUG_SEVERITY_MEDIUM:
+			rsx_log.error("[DEBUG_OUTPUT] [%s] [%s] [%d]: %s", str_source, str_type, id, message);
 			return;
-		}
-		}
+		// Redundant state change performance warning, or unimportant undefined behavior
+		case GL_DEBUG_SEVERITY_LOW:
+			rsx_log.warning("[DEBUG_OUTPUT] [%s] [%s] [%d]: %s", str_source, str_type, id, message);
+			return;
+		// Anything that isn't an error or performance issue
+		case GL_DEBUG_SEVERITY_NOTIFICATION:
+			rsx_log.notice("[DEBUG_OUTPUT] [%s] [%s] [%d]: %s", str_source, str_type, id, message);
+			return;
+		// Not on documentation
+		default:
+			rsx_log.error("log_debug(severity=%d): Unknown severity level", severity);
+			rsx_log.error("[DEBUG_OUTPUT] [%s] [%s] [%d]: %s", str_source, str_type, id, message);
+			return;
+	  }
 	}
-#endif
 
 	void enable_debugging()
 	{
-#ifdef WIN32
-		glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
-		glDebugMessageCallback(static_cast<GLDEBUGPROC>(dbgFunc), nullptr);
-#endif
+	  glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
+	  glDebugMessageCallback(log_debug, nullptr);
 	}
 
 	capabilities &get_driver_caps()
diff --git a/rpcs3/Emu/RSX/GL/GLHelpers.h b/rpcs3/Emu/RSX/GL/GLHelpers.h
index 235c7009d1..1f8ddfe253 100644
--- a/rpcs3/Emu/RSX/GL/GLHelpers.h
+++ b/rpcs3/Emu/RSX/GL/GLHelpers.h
@@ -31,6 +31,11 @@
 #define GL_INTERPRETER_FRAGMENT_BLOCK 7
 #define GL_COMPUTE_BUFFER_SLOT(index) (index + 8)
 
+// Noop keyword outside of Windows (used in log_debug)
+#if !defined(_WIN32) && !defined(APIENTRY)
+#define APIENTRY
+#endif
+
 inline static void _SelectTexture(int unit) { glActiveTexture(GL_TEXTURE0 + unit); }
 
 namespace gl