Posted By: txesmi
[SUB]float16 to var - 10/26/18 13:54
Hi,
I recently needed to retrieve a pixel from a 16 bits floating point formatted render target.
Salud!
I recently needed to retrieve a pixel from a 16 bits floating point formatted render target.
Code:
var var_from_float16short(short _s) { int _sign = _s & 32768; int _exp = ((int)(_s & 31744) >> 10) - 15; int _frac = _s & 1023; var _r; memcpy(&_r, &_frac, 4); _r += 1; if(_exp) _r *= pow(2, _exp); if (_sign) _r = -_r; return _r; }
Salud!