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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2005 The ScummVM project
*
* 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 02110-1301, USA.
*
* $Header$
*
*/
#include "common/scaler/intern.h"
#ifdef USE_NASM
// Assembly version of HQ3x
extern "C" {
#ifndef _WIN32
#define hq3x_16 _hq3x_16
#endif
void hq3x_16(const byte *, byte *, uint32, uint32, uint32, uint32);
}
void HQ3x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
hq3x_16(srcPtr, dstPtr, width, height, srcPitch, dstPitch);
}
#else
#ifdef HAS_ALTIVEC
#ifdef __amigaos4__
#include <proto/exec.h>
static bool isAltiVecAvailable() {
uint32 vecUnit;
IExec->GetCPUInfo(GCIT_VectorUnit, &vecUnit, TAG_DONE);
if (vecUnit == VECTORTYPE_NONE)
return false;
else
return true;
}
#else
#include <sys/sysctl.h>
static bool isAltiVecAvailable() {
int selectors[2] = { CTL_HW, HW_VECTORUNIT };
int hasVectorUnit = 0;
size_t length = sizeof(hasVectorUnit);
int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
if ( 0 == error )
return hasVectorUnit != 0;
return false;
}
#endif
#endif
#define PIXEL00_1M *(q) = interpolate16_2<bitFormat,3,1>(w5, w1);
#define PIXEL00_1U *(q) = interpolate16_2<bitFormat,3,1>(w5, w2);
#define PIXEL00_1L *(q) = interpolate16_2<bitFormat,3,1>(w5, w4);
#define PIXEL00_2 *(q) = interpolate16_3<bitFormat,2,1,1>(w5, w4, w2);
#define PIXEL00_4 *(q) = interpolate16_3<bitFormat,2,7,7>(w5, w4, w2);
#define PIXEL00_5 *(q) = interpolate16_2<bitFormat,1,1>(w4, w2);
#define PIXEL00_C *(q) = w5;
#define PIXEL01_1 *(q+1) = interpolate16_2<bitFormat,3,1>(w5, w2);
#define PIXEL01_3 *(q+1) = interpolate16_2<bitFormat,7,1>(w5, w2);
#define PIXEL01_6 *(q+1) = interpolate16_2<bitFormat,3,1>(w2, w5);
#define PIXEL01_C *(q+1) = w5;
#define PIXEL02_1M *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w3);
#define PIXEL02_1U *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w2);
#define PIXEL02_1R *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w6);
#define PIXEL02_2 *(q+2) = interpolate16_3<bitFormat,2,1,1>(w5, w2, w6);
#define PIXEL02_4 *(q+2) = interpolate16_3<bitFormat,2,7,7>(w5, w2, w6);
#define PIXEL02_5 *(q+2) = interpolate16_2<bitFormat,1,1>(w2, w6);
#define PIXEL02_C *(q+2) = w5;
#define PIXEL10_1 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w4);
#define PIXEL10_3 *(q+nextlineDst) = interpolate16_2<bitFormat,7,1>(w5, w4);
#define PIXEL10_6 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w4, w5);
#define PIXEL10_C *(q+nextlineDst) = w5;
#define PIXEL11 *(q+1+nextlineDst) = w5;
#define PIXEL12_1 *(q+2+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w6);
#define PIXEL12_3 *(q+2+nextlineDst) = interpolate16_2<bitFormat,7,1>(w5, w6);
#define PIXEL12_6 *(q+2+nextlineDst) = interpolate16_2<bitFormat,3,1>(w6, w5);
#define PIXEL12_C *(q+2+nextlineDst) = w5;
#define PIXEL20_1M *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w7);
#define PIXEL20_1D *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
#define PIXEL20_1L *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w4);
#define PIXEL20_2 *(q+nextlineDst2) = interpolate16_3<bitFormat,2,1,1>(w5, w8, w4);
#define PIXEL20_4 *(q+nextlineDst2) = interpolate16_3<bitFormat,2,7,7>(w5, w8, w4);
#define PIXEL20_5 *(q+nextlineDst2) = interpolate16_2<bitFormat,1,1>(w8, w4);
#define PIXEL20_C *(q+nextlineDst2) = w5;
#define PIXEL21_1 *(q+1+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
#define PIXEL21_3 *(q+1+nextlineDst2) = interpolate16_2<bitFormat,7,1>(w5, w8);
#define PIXEL21_6 *(q+1+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w8, w5);
#define PIXEL21_C *(q+1+nextlineDst2) = w5;
#define PIXEL22_1M *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w9);
#define PIXEL22_1D *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
#define PIXEL22_1R *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w6);
#define PIXEL22_2 *(q+2+nextlineDst2) = interpolate16_3<bitFormat,2,1,1>(w5, w6, w8);
#define PIXEL22_4 *(q+2+nextlineDst2) = interpolate16_3<bitFormat,2,7,7>(w5, w6, w8);
#define PIXEL22_5 *(q+2+nextlineDst2) = interpolate16_2<bitFormat,1,1>(w6, w8);
#define PIXEL22_C *(q+2+nextlineDst2) = w5;
#define YUV(x) RGBtoYUV[w ## x]
#define bitFormat 565
void HQ3x_565(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq3x.h"
}
#undef bitFormat
#define bitFormat 555
void HQ3x_555(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq3x.h"
}
#undef bitFormat
#ifdef HAS_ALTIVEC
#define USE_ALTIVEC 1
#define bitFormat 565
void HQ3x_565_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq3x.h"
}
#undef bitFormat
#define bitFormat 555
void HQ3x_555_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq3x.h"
}
#undef bitFormat
#endif
void HQ3x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#ifdef HAS_ALTIVEC
if (isAltiVecAvailable()) {
if (gBitFormat == 565)
HQ3x_565_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
HQ3x_555_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
return;
}
#endif
if (gBitFormat == 565)
HQ3x_565(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
HQ3x_555(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
}
#endif
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