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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2006 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 HQ2x
extern "C" {
#ifndef _WIN32
#define hq2x_16 _hq2x_16
#endif
void hq2x_16(const byte *, byte *, uint32, uint32, uint32, uint32);
}
void HQ2x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
hq2x_16(srcPtr, dstPtr, width, height, srcPitch, dstPitch);
}
#else
#ifdef HAS_ALTIVEC
#ifdef __amigaos4__
#include <proto/exec.h>
#include <altivec.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_0 *(q) = w5;
#define PIXEL00_10 *(q) = interpolate16_2<bitFormat,3,1>(w5, w1);
#define PIXEL00_11 *(q) = interpolate16_2<bitFormat,3,1>(w5, w4);
#define PIXEL00_12 *(q) = interpolate16_2<bitFormat,3,1>(w5, w2);
#define PIXEL00_20 *(q) = interpolate16_3<bitFormat,2,1,1>(w5, w4, w2);
#define PIXEL00_21 *(q) = interpolate16_3<bitFormat,2,1,1>(w5, w1, w2);
#define PIXEL00_22 *(q) = interpolate16_3<bitFormat,2,1,1>(w5, w1, w4);
#define PIXEL00_60 *(q) = interpolate16_3<bitFormat,5,2,1>(w5, w2, w4);
#define PIXEL00_61 *(q) = interpolate16_3<bitFormat,5,2,1>(w5, w4, w2);
#define PIXEL00_70 *(q) = interpolate16_3<bitFormat,6,1,1>(w5, w4, w2);
#define PIXEL00_90 *(q) = interpolate16_3<bitFormat,2,3,3>(w5, w4, w2);
#define PIXEL00_100 *(q) = interpolate16_3<bitFormat,14,1,1>(w5, w4, w2);
#define PIXEL01_0 *(q+1) = w5;
#define PIXEL01_10 *(q+1) = interpolate16_2<bitFormat,3,1>(w5, w3);
#define PIXEL01_11 *(q+1) = interpolate16_2<bitFormat,3,1>(w5, w2);
#define PIXEL01_12 *(q+1) = interpolate16_2<bitFormat,3,1>(w5, w6);
#define PIXEL01_20 *(q+1) = interpolate16_3<bitFormat,2,1,1>(w5, w2, w6);
#define PIXEL01_21 *(q+1) = interpolate16_3<bitFormat,2,1,1>(w5, w3, w6);
#define PIXEL01_22 *(q+1) = interpolate16_3<bitFormat,2,1,1>(w5, w3, w2);
#define PIXEL01_60 *(q+1) = interpolate16_3<bitFormat,5,2,1>(w5, w6, w2);
#define PIXEL01_61 *(q+1) = interpolate16_3<bitFormat,5,2,1>(w5, w2, w6);
#define PIXEL01_70 *(q+1) = interpolate16_3<bitFormat,6,1,1>(w5, w2, w6);
#define PIXEL01_90 *(q+1) = interpolate16_3<bitFormat,2,3,3>(w5, w2, w6);
#define PIXEL01_100 *(q+1) = interpolate16_3<bitFormat,14,1,1>(w5, w2, w6);
#define PIXEL10_0 *(q+nextlineDst) = w5;
#define PIXEL10_10 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w7);
#define PIXEL10_11 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w8);
#define PIXEL10_12 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w4);
#define PIXEL10_20 *(q+nextlineDst) = interpolate16_3<bitFormat,2,1,1>(w5, w8, w4);
#define PIXEL10_21 *(q+nextlineDst) = interpolate16_3<bitFormat,2,1,1>(w5, w7, w4);
#define PIXEL10_22 *(q+nextlineDst) = interpolate16_3<bitFormat,2,1,1>(w5, w7, w8);
#define PIXEL10_60 *(q+nextlineDst) = interpolate16_3<bitFormat,5,2,1>(w5, w4, w8);
#define PIXEL10_61 *(q+nextlineDst) = interpolate16_3<bitFormat,5,2,1>(w5, w8, w4);
#define PIXEL10_70 *(q+nextlineDst) = interpolate16_3<bitFormat,6,1,1>(w5, w8, w4);
#define PIXEL10_90 *(q+nextlineDst) = interpolate16_3<bitFormat,2,3,3>(w5, w8, w4);
#define PIXEL10_100 *(q+nextlineDst) = interpolate16_3<bitFormat,14,1,1>(w5, w8, w4);
#define PIXEL11_0 *(q+1+nextlineDst) = w5;
#define PIXEL11_10 *(q+1+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w9);
#define PIXEL11_11 *(q+1+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w6);
#define PIXEL11_12 *(q+1+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w8);
#define PIXEL11_20 *(q+1+nextlineDst) = interpolate16_3<bitFormat,2,1,1>(w5, w6, w8);
#define PIXEL11_21 *(q+1+nextlineDst) = interpolate16_3<bitFormat,2,1,1>(w5, w9, w8);
#define PIXEL11_22 *(q+1+nextlineDst) = interpolate16_3<bitFormat,2,1,1>(w5, w9, w6);
#define PIXEL11_60 *(q+1+nextlineDst) = interpolate16_3<bitFormat,5,2,1>(w5, w8, w6);
#define PIXEL11_61 *(q+1+nextlineDst) = interpolate16_3<bitFormat,5,2,1>(w5, w6, w8);
#define PIXEL11_70 *(q+1+nextlineDst) = interpolate16_3<bitFormat,6,1,1>(w5, w6, w8);
#define PIXEL11_90 *(q+1+nextlineDst) = interpolate16_3<bitFormat,2,3,3>(w5, w6, w8);
#define PIXEL11_100 *(q+1+nextlineDst) = interpolate16_3<bitFormat,14,1,1>(w5, w6, w8);
#define YUV(x) RGBtoYUV[w ## x]
#define bitFormat 565
void HQ2x_565(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq2x.h"
}
#undef bitFormat
#define bitFormat 555
void HQ2x_555(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq2x.h"
}
#undef bitFormat
#ifdef HAS_ALTIVEC
#define USE_ALTIVEC 1
#define bitFormat 565
void HQ2x_565_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq2x.h"
}
#undef bitFormat
#define bitFormat 555
void HQ2x_555_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#include "common/scaler/hq2x.h"
}
#undef bitFormat
#endif
void HQ2x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
#ifdef HAS_ALTIVEC
if (isAltiVecAvailable()) {
if (gBitFormat == 565)
HQ2x_565_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
HQ2x_555_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
return;
}
#endif
if (gBitFormat == 565)
HQ2x_565(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
else
HQ2x_555(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
}
#endif //Assembly version
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