[Webkit-unassigned] [Bug 155536] Wrong use of EGL_DEPTH_SIZE

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=155536

--- Comment #2 from Erwin Rol <erwin at erwinrol.com> ---
The intention of the code seems to be to get the number of bits per pixel (used by the screen for color) and to create a pixmap with that same number of bits per pixel. 

The EGL_DEPTH_SIZE has nothing to do with color, it is the depth buffer size (the number of bits for the Z axis).
https://www.khronos.org/registry/egl/sdk/docs/man/html/eglGetConfigAttrib.xhtml

A better way to get the color depth of the DefaultRootWindow is maybe to use the XGetWindowAttributes() call and use the XWindowAttributes.depth member. 

https://tronche.com/gui/x/xlib/window-information/XGetWindowAttributes.html

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