Abstract: Systems, methods, and computer readable media to visualize execution history with a shader debugger are described. Various implementations present a first graphical user interface (GUI) for navigating through an executed graphics frame and receive with the first GUI at least one user input that defines a region of interest. In response to receiving the user input, the shader debugger presents a second GUI that includes execution history of a first graphics processor thread associated with the region of interest. After receiving a second user input with the second GUI to switch to a second graphics processor thread associated with the region of interest, the shader debugger updates the second GUI with the execution history of the second graphics processor thread.