diff --git a/libs/gfx/include/psemek/gfx/error.hpp b/libs/gfx/include/psemek/gfx/error.hpp
new file mode 100644
index 00000000..85e753f4
--- /dev/null
+++ b/libs/gfx/include/psemek/gfx/error.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <string_view>
+
+namespace psemek::gfx
+{
+
+	std::string_view gl_error_str(unsigned int e);
+
+	void check_error();
+
+}
diff --git a/libs/gfx/source/error.cpp b/libs/gfx/source/error.cpp
new file mode 100644
index 00000000..8da6856a
--- /dev/null
+++ b/libs/gfx/source/error.cpp
@@ -0,0 +1,35 @@
+#include <psemek/gfx/error.hpp>
+#include <psemek/gfx/gl.hpp>
+#include <psemek/util/to_string.hpp>
+
+#include <stdexcept>
+
+namespace psemek::gfx
+{
+
+	static_assert(std::is_same_v<unsigned int, GLenum>);
+
+	std::string_view gl_error_str(GLenum e)
+	{
+		switch (e)
+		{
+		case gl::NO_ERROR_: return "GL_NO_ERROR";
+		case gl::INVALID_ENUM: return "GL_INVALID_ENUM";
+		case gl::INVALID_VALUE: return "GL_INVALID_VALUE";
+		case gl::INVALID_OPERATION: return "GL_INVALID_OPERATION";
+		case gl::INVALID_FRAMEBUFFER_OPERATION: return "GL_INVALID_FRAMEBUFFER_OPERATION";
+		case gl::OUT_OF_MEMORY: return "GL_OUT_OF_MEMORY";
+		}
+
+		return "(unknown)";
+	}
+
+	void check_error()
+	{
+		auto e = gl::GetError();
+
+		if (e != gl::GetError())
+			throw std::runtime_error(util::to_string("OpenGL error: ", gl_error_str(e)));
+	}
+
+}