mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-28 04:20:45 +00:00
51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#ifndef PROCESSCOMMON_HPP__
|
|
#define PROCESSCOMMON_HPP__
|
|
|
|
#include <assert.h>
|
|
#include <stddef.h>
|
|
|
|
#include "Types.hpp"
|
|
|
|
template<class T>
|
|
static size_t GetLeastError( const T* err, size_t num )
|
|
{
|
|
size_t idx = 0;
|
|
for( size_t i=1; i<num; i++ )
|
|
{
|
|
if( err[i] < err[idx] )
|
|
{
|
|
idx = i;
|
|
}
|
|
}
|
|
return idx;
|
|
}
|
|
|
|
static uint64 FixByteOrder( uint64 d )
|
|
{
|
|
return ( ( d & 0x00000000FFFFFFFF ) ) |
|
|
( ( d & 0xFF00000000000000 ) >> 24 ) |
|
|
( ( d & 0x000000FF00000000 ) << 24 ) |
|
|
( ( d & 0x00FF000000000000 ) >> 8 ) |
|
|
( ( d & 0x0000FF0000000000 ) << 8 );
|
|
}
|
|
|
|
template<class T, class S>
|
|
static uint64 EncodeSelectors( uint64 d, const T terr[2][8], const S tsel[16][8], const uint32* id )
|
|
{
|
|
size_t tidx[2];
|
|
tidx[0] = GetLeastError( terr[0], 8 );
|
|
tidx[1] = GetLeastError( terr[1], 8 );
|
|
|
|
d |= tidx[0] << 26;
|
|
d |= tidx[1] << 29;
|
|
for( int i=0; i<16; i++ )
|
|
{
|
|
uint64 t = tsel[i][tidx[id[i]%2]];
|
|
d |= ( t & 0x1 ) << ( i + 32 );
|
|
d |= ( t & 0x2 ) << ( i + 47 );
|
|
}
|
|
|
|
return d;
|
|
}
|
|
|
|
#endif
|