pcsx2/plugins/zzogl-pg/opengl/Mem_Swizzle.h

124 lines
3.2 KiB
C

/* ZeroGS KOSMOS
* Copyright (C) 2005-2006 zerofrog@gmail.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MEM_SWIZZLE_H_INCLUDED
#define MEM_SWIZZLE_H_INCLUDED
#include "GS.h"
#include "Mem.h"
// special swizzle macros - which I converted to functions.
static __forceinline void SwizzleBlock24(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
{
u8* pnewsrc = src;
u32* pblock = tempblock;
for(int by = 0; by < 7; ++by, pblock += 8, pnewsrc += pitch-24)
{
for(int bx = 0; bx < 8; ++bx, pnewsrc += 3)
{
pblock[bx] = *(u32*)pnewsrc;
}
}
for(int bx = 0; bx < 7; ++bx, pnewsrc += 3)
{
/* might be 1 byte out of bounds of GS memory */
pblock[bx] = *(u32*)pnewsrc;
}
/* do 3 bytes for the last copy */
*((u8*)pblock+28) = pnewsrc[0];
*((u8*)pblock+29) = pnewsrc[1];
*((u8*)pblock+30) = pnewsrc[2];
SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0x00ffffff);
}
#define SwizzleBlock24u SwizzleBlock24
static __forceinline void SwizzleBlock8H(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
{
u8* pnewsrc = src;
u32* pblock = tempblock;
for(int by = 0; by < 8; ++by, pblock += 8, pnewsrc += pitch)
{
u32 u = *(u32*)pnewsrc;
pblock[0] = u<<24;
pblock[1] = u<<16;
pblock[2] = u<<8;
pblock[3] = u;
u = *(u32*)(pnewsrc+4);
pblock[4] = u<<24;
pblock[5] = u<<16;
pblock[6] = u<<8;
pblock[7] = u;
}
SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0xff000000);
}
#define SwizzleBlock8Hu SwizzleBlock8H
static __forceinline void SwizzleBlock4HH(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
{
u8* pnewsrc = src;
u32* pblock = tempblock;
for(int by = 0; by < 8; ++by, pblock += 8, pnewsrc += pitch)
{
u32 u = *(u32*)pnewsrc;
pblock[0] = u<<28;
pblock[1] = u<<24;
pblock[2] = u<<20;
pblock[3] = u<<16;
pblock[4] = u<<12;
pblock[5] = u<<8;
pblock[6] = u<<4;
pblock[7] = u;
}
SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0xf0000000);
}
#define SwizzleBlock4HHu SwizzleBlock4HH
static __forceinline void SwizzleBlock4HL(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
{
u8* pnewsrc = src;
u32* pblock = tempblock;
for(int by = 0; by < 8; ++by, pblock += 8, pnewsrc += pitch)
{
u32 u = *(u32*)pnewsrc;
pblock[0] = u<<24;
pblock[1] = u<<20;
pblock[2] = u<<16;
pblock[3] = u<<12;
pblock[4] = u<<8;
pblock[5] = u<<4;
pblock[6] = u;
pblock[7] = u>>4;
}
SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0x0f000000);
}
#define SwizzleBlock4HLu SwizzleBlock4HL
#endif // MEM_SWIZZLE_H_INCLUDED