What is the best way to debug OpenGL?

Question

I find that a lot of the time, OpenGL will show you it failed by not drawing anything. I\'m trying to find ways to debug OpenGL programs, by inspecting the transformation ma

Answer 1

Updating the window title dynamically is convenient for me.

Example (use GLFW, C++11):

glfwSetWindowTitle(window, ("Now Time is " + to_string(glfwGetTime())).c_str());