pg2/DebugOutputManager.cpp at main · DavidKarnik/pg2 · GitHub

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#include "DebugOutputManager.h"

#include <iostream>
#include <GL/glew.h>
#include <GL/wglew.h>
#include <GLFW/glfw3.h>

DebugOutputManager::DebugOutputManager()
{
	isAvailable = false;

	if (!GLEW_ARB_debug_output)
		return;

	glDebugMessageCallback(MessageCallback, 0);
	glEnable(GL_DEBUG_OUTPUT);

	//default is asynchronous debug output, use this to simulate glGetError() functionality
	glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);

	isAvailable = true;
}

void GLAPIENTRY DebugOutputManager::MessageCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, const void* userParam)
{
	auto const src_str = [source]() {
		switch (source)
		{
		case GL_DEBUG_SOURCE_API: return "API";
		case GL_DEBUG_SOURCE_WINDOW_SYSTEM: return "WINDOW SYSTEM";
		case GL_DEBUG_SOURCE_SHADER_COMPILER: return "SHADER COMPILER";
		case GL_DEBUG_SOURCE_THIRD_PARTY: return "THIRD PARTY";
		case GL_DEBUG_SOURCE_APPLICATION: return "APPLICATION";
		case GL_DEBUG_SOURCE_OTHER: return "OTHER";
		default: return "Unknown";
		}
		}();

		auto const type_str = [type]() {
			switch (type)
			{
			case GL_DEBUG_TYPE_ERROR: return "ERROR";
			case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR: return "DEPRECATED_BEHAVIOR";
			case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR: return "UNDEFINED_BEHAVIOR";
			case GL_DEBUG_TYPE_PORTABILITY: return "PORTABILITY";
			case GL_DEBUG_TYPE_PERFORMANCE: return "PERFORMANCE";
			case GL_DEBUG_TYPE_MARKER: return "MARKER";
			case GL_DEBUG_TYPE_OTHER: return "OTHER";
			default: return "Unknown";
			}
			}();

			auto const severity_str = [severity]() {
				switch (severity) {
				case GL_DEBUG_SEVERITY_NOTIFICATION: return "NOTIFICATION";
				case GL_DEBUG_SEVERITY_LOW: return "LOW";
				case GL_DEBUG_SEVERITY_MEDIUM: return "MEDIUM";
				case GL_DEBUG_SEVERITY_HIGH: return "HIGH";
				default: return "Unknown";
				}
				}();

				std::cout << "[GL CALLBACK]: " <<
					"source = " << src_str <<
					", type = " << type_str <<
					", severity = " << severity_str <<
					", ID = '" << id << '\'' <<
					", message = '" << message << '\'' << std::endl;

}