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/***************************************************************************
* Copyright (C) 2010 PCSX4ALL Team *
* Copyright (C) 2010 Unai *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
***************************************************************************/
#ifndef _OP_BLEND_H_
#define _OP_BLEND_H_
// GPU Blending operations functions
#ifdef __arm__
#define gpuBlending00(uSrc,uDst) \
{ \
asm ("and %[src], %[src], %[msk]\n" \
"and %[dst], %[dst], %[msk]\n" \
"add %[src], %[dst], %[src]\n" \
"mov %[src], %[src], lsr #1\n" \
: [src] "=&r" (uSrc), [dst] "=&r" (uDst) : "0" (uSrc), "1" (uDst), [msk] "r" (uMsk)); \
}
#else
#define gpuBlending00(uSrc,uDst) \
{ \
uSrc = (((uDst & uMsk) + (uSrc & uMsk)) >> 1); \
}
#endif
// 1.0 x Back + 1.0 x Forward
#ifdef __arm__
#define gpuBlending01(uSrc,uDst) \
{ \
u32 st,dt,out; \
asm ("and %[dt], %[dst], #0x7C00\n" \
"and %[st], %[src], #0x7C00\n" \
"add %[out], %[dt], %[st] \n" \
"cmp %[out], #0x7C00 \n" \
"movhi %[out], #0x7C00 \n" \
"and %[dt], %[dst], #0x03E0\n" \
"and %[st], %[src], #0x03E0\n" \
"add %[dt], %[dt], %[st] \n" \
"cmp %[dt], #0x03E0 \n" \
"movhi %[dt], #0x03E0 \n" \
"orr %[out], %[out], %[dt] \n" \
"and %[dt], %[dst], #0x001F\n" \
"and %[st], %[src], #0x001F\n" \
"add %[dt], %[dt], %[st] \n" \
"cmp %[dt], #0x001F \n" \
"movhi %[dt], #0x001F \n" \
"orr %[src], %[out], %[dt] \n" \
: [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \
: [dst] "r" (uDst), "0" (uSrc) : "cc"); \
}
#else
#define gpuBlending01(uSrc,uDst) \
{ \
u16 rr, gg, bb; \
bb = (uDst & 0x7C00) + (uSrc & 0x7C00); if (bb > 0x7C00) bb = 0x7C00; \
gg = (uDst & 0x03E0) + (uSrc & 0x03E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \
rr = (uDst & 0x001F) + (uSrc & 0x001F); if (rr > 0x001F) rr = 0x001F; bb |= rr; \
uSrc = bb; \
}
#endif
// 1.0 x Back - 1.0 x Forward */
#ifdef __arm__
#define gpuBlending02(uSrc,uDst) \
{ \
u32 st,dt,out; \
asm ("and %[dt], %[dst], #0x7C00\n" \
"and %[st], %[src], #0x7C00\n" \
"subs %[out], %[dt], %[st] \n" \
"movmi %[out], #0x0000 \n" \
"and %[dt], %[dst], #0x03E0\n" \
"and %[st], %[src], #0x03E0\n" \
"subs %[dt], %[dt], %[st] \n" \
"orrpl %[out], %[out], %[dt] \n" \
"and %[dt], %[dst], #0x001F\n" \
"and %[st], %[src], #0x001F\n" \
"subs %[dt], %[dt], %[st] \n" \
"orrpl %[out], %[out], %[dt] \n" \
"mov %[src], %[out] \n" \
: [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \
: [dst] "r" (uDst), "0" (uSrc) : "cc"); \
}
int btest(int s, int d)
{
gpuBlending02(s, d);
return s;
}
#else
#define gpuBlending02(uSrc,uDst) \
{ \
s32 rr, gg, bb; \
bb = (uDst & 0x7C00) - (uSrc & 0x7C00); if (bb < 0) bb = 0; \
gg = (uDst & 0x03E0) - (uSrc & 0x03E0); if (gg > 0) bb |= gg; \
rr = (uDst & 0x001F) - (uSrc & 0x001F); if (rr > 0) bb |= rr; \
uSrc = bb; \
}
#endif
// 1.0 x Back + 0.25 x Forward */
#ifdef __arm__
#define gpuBlending03(uSrc,uDst) \
{ \
u32 st,dt,out; \
asm ("mov %[src], %[src], lsr #2 \n" \
"and %[dt], %[dst], #0x7C00\n" \
"and %[st], %[src], #0x1C00\n" \
"add %[out], %[dt], %[st] \n" \
"cmp %[out], #0x7C00 \n" \
"movhi %[out], #0x7C00 \n" \
"and %[dt], %[dst], #0x03E0\n" \
"and %[st], %[src], #0x00E0\n" \
"add %[dt], %[dt], %[st] \n" \
"cmp %[dt], #0x03E0 \n" \
"movhi %[dt], #0x03E0 \n" \
"orr %[out], %[out], %[dt] \n" \
"and %[dt], %[dst], #0x001F\n" \
"and %[st], %[src], #0x0007\n" \
"add %[dt], %[dt], %[st] \n" \
"cmp %[dt], #0x001F \n" \
"movhi %[dt], #0x001F \n" \
"orr %[src], %[out], %[dt] \n" \
: [src] "=r" (uSrc), [st] "=&r" (st), [dt] "=&r" (dt), [out] "=&r" (out) \
: [dst] "r" (uDst), "0" (uSrc) : "cc"); \
}
#else
#define gpuBlending03(uSrc,uDst) \
{ \
u16 rr, gg, bb; \
uSrc >>= 2; \
bb = (uDst & 0x7C00) + (uSrc & 0x1C00); if (bb > 0x7C00) bb = 0x7C00; \
gg = (uDst & 0x03E0) + (uSrc & 0x00E0); if (gg > 0x03E0) gg = 0x03E0; bb |= gg; \
rr = (uDst & 0x001F) + (uSrc & 0x0007); if (rr > 0x001F) rr = 0x001F; bb |= rr; \
uSrc = bb; \
}
#endif
#endif //_OP_BLEND_H_
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