mirror of https://github.com/PCSX2/pcsx2.git
124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
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/* ZeroGS KOSMOS
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* Copyright (C) 2005-2006 zerofrog@gmail.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MEM_SWIZZLE_H_INCLUDED
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#define MEM_SWIZZLE_H_INCLUDED
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#include "GS.h"
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#include "Mem.h"
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// special swizzle macros - which I converted to functions.
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static __forceinline void SwizzleBlock24(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
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{
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u8* pnewsrc = src;
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u32* pblock = tempblock;
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for(int by = 0; by < 7; ++by, pblock += 8, pnewsrc += pitch-24)
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{
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for(int bx = 0; bx < 8; ++bx, pnewsrc += 3)
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{
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pblock[bx] = *(u32*)pnewsrc;
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}
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}
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for(int bx = 0; bx < 7; ++bx, pnewsrc += 3)
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{
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/* might be 1 byte out of bounds of GS memory */
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pblock[bx] = *(u32*)pnewsrc;
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}
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/* do 3 bytes for the last copy */
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*((u8*)pblock+28) = pnewsrc[0];
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*((u8*)pblock+29) = pnewsrc[1];
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*((u8*)pblock+30) = pnewsrc[2];
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SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0x00ffffff);
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}
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#define SwizzleBlock24u SwizzleBlock24
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static __forceinline void SwizzleBlock8H(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
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{
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u8* pnewsrc = src;
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u32* pblock = tempblock;
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for(int by = 0; by < 8; ++by, pblock += 8, pnewsrc += pitch)
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{
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u32 u = *(u32*)pnewsrc;
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pblock[0] = u<<24;
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pblock[1] = u<<16;
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pblock[2] = u<<8;
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pblock[3] = u;
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u = *(u32*)(pnewsrc+4);
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pblock[4] = u<<24;
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pblock[5] = u<<16;
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pblock[6] = u<<8;
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pblock[7] = u;
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}
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SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0xff000000);
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}
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#define SwizzleBlock8Hu SwizzleBlock8H
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static __forceinline void SwizzleBlock4HH(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
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{
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u8* pnewsrc = src;
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u32* pblock = tempblock;
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for(int by = 0; by < 8; ++by, pblock += 8, pnewsrc += pitch)
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{
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u32 u = *(u32*)pnewsrc;
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pblock[0] = u<<28;
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pblock[1] = u<<24;
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pblock[2] = u<<20;
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pblock[3] = u<<16;
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pblock[4] = u<<12;
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pblock[5] = u<<8;
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pblock[6] = u<<4;
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pblock[7] = u;
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}
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SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0xf0000000);
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}
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#define SwizzleBlock4HHu SwizzleBlock4HH
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static __forceinline void SwizzleBlock4HL(u8 *dst, u8 *src, int pitch, u32 WriteMask = 0xffffffff)
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{
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u8* pnewsrc = src;
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u32* pblock = tempblock;
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for(int by = 0; by < 8; ++by, pblock += 8, pnewsrc += pitch)
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{
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u32 u = *(u32*)pnewsrc;
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pblock[0] = u<<24;
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pblock[1] = u<<20;
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pblock[2] = u<<16;
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pblock[3] = u<<12;
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pblock[4] = u<<8;
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pblock[5] = u<<4;
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pblock[6] = u;
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pblock[7] = u>>4;
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}
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SwizzleBlock32((u8*)dst, (u8*)tempblock, 32, 0x0f000000);
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}
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#define SwizzleBlock4HLu SwizzleBlock4HL
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#endif // MEM_SWIZZLE_H_INCLUDED
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