check_fb.hpp

#pragma once

#include "GL.hpp"
#include <stdexcept>

inline void check_fb() {
	GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
	if (status == GL_FRAMEBUFFER_COMPLETE) {
	} else
	#define CHECK( S ) \
	if (status == S) { \
		throw std::runtime_error("Framebuffer status: " #S); \
	} else
	CHECK(GL_FRAMEBUFFER_UNDEFINED)
	CHECK(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT)
	CHECK(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT)
	CHECK(GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER)
	CHECK(GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER)
	CHECK(GL_FRAMEBUFFER_UNSUPPORTED)
	CHECK(GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE)
	CHECK(GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS)
	{
		throw std::runtime_error("Framebuffer status: " + std::to_string(status) + " (unknown)");
	}
	#undef CHECK
}