Save current stack sizes for later compare

Helper

Helpers for internal use

Fills structure with parameters of an example buffer to be used for transfers during GPU memory defragmentation. */

Returns smallest power of 2 greater or equal to v.

Returns largest power of 2 less or equal to v.

Returns the Visual and depth of the chosen GLXFBConfig

Create the OpenGL or OpenGL ES context

Create the OpenGL or OpenGL ES context

Checks for joystick disconnection after DBT_DEVICEREMOVECOMPLETE

Initialize GLX

Adds the built-in set of gamepad mappings

Initialize joystick interface

Initialise timer

Initialize WGL

Checks whether the desired context attributes are valid This function checks things like whether the specified client API version exists and whether