wgl: remove hard limit on pixelformats
Zink on Intel's Windows driver supports more than 256 pixelformats, triggering asserts. So let's get rid of the hard-coded limit, and instead use u_dynarray to store the pixelformat info.
Zink on Intel's Windows driver supports more than 256 pixelformats, triggering asserts. So let's get rid of the hard-coded limit, and instead use u_dynarray to store the pixelformat info.