mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-27 04:07:05 +00:00
177 lines
6.2 KiB
C++
177 lines
6.2 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001-2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "graphics/scaler/intern.h"
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#ifdef USE_NASM
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// Assembly version of HQ3x
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extern "C" {
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#ifndef _WIN32
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#define hq3x_16 _hq3x_16
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#endif
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void hq3x_16(const byte *, byte *, uint32, uint32, uint32, uint32);
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}
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void HQ3x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
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hq3x_16(srcPtr, dstPtr, width, height, srcPitch, dstPitch);
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}
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#else
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#ifdef HAS_ALTIVEC
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#ifdef __amigaos4__
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#include <proto/exec.h>
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static bool isAltiVecAvailable() {
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uint32 vecUnit;
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IExec->GetCPUInfo(GCIT_VectorUnit, &vecUnit, TAG_DONE);
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if (vecUnit == VECTORTYPE_NONE)
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return false;
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else
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return true;
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}
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#else
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#include <sys/sysctl.h>
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static bool isAltiVecAvailable() {
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int selectors[2] = { CTL_HW, HW_VECTORUNIT };
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int hasVectorUnit = 0;
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size_t length = sizeof(hasVectorUnit);
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int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
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if ( 0 == error )
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return hasVectorUnit != 0;
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return false;
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}
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#endif
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#endif
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#define PIXEL00_1M *(q) = interpolate16_2<bitFormat,3,1>(w5, w1);
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#define PIXEL00_1U *(q) = interpolate16_2<bitFormat,3,1>(w5, w2);
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#define PIXEL00_1L *(q) = interpolate16_2<bitFormat,3,1>(w5, w4);
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#define PIXEL00_2 *(q) = interpolate16_3<bitFormat,2,1,1>(w5, w4, w2);
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#define PIXEL00_4 *(q) = interpolate16_3<bitFormat,2,7,7>(w5, w4, w2);
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#define PIXEL00_5 *(q) = interpolate16_2<bitFormat,1,1>(w4, w2);
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#define PIXEL00_C *(q) = w5;
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#define PIXEL01_1 *(q+1) = interpolate16_2<bitFormat,3,1>(w5, w2);
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#define PIXEL01_3 *(q+1) = interpolate16_2<bitFormat,7,1>(w5, w2);
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#define PIXEL01_6 *(q+1) = interpolate16_2<bitFormat,3,1>(w2, w5);
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#define PIXEL01_C *(q+1) = w5;
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#define PIXEL02_1M *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w3);
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#define PIXEL02_1U *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w2);
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#define PIXEL02_1R *(q+2) = interpolate16_2<bitFormat,3,1>(w5, w6);
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#define PIXEL02_2 *(q+2) = interpolate16_3<bitFormat,2,1,1>(w5, w2, w6);
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#define PIXEL02_4 *(q+2) = interpolate16_3<bitFormat,2,7,7>(w5, w2, w6);
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#define PIXEL02_5 *(q+2) = interpolate16_2<bitFormat,1,1>(w2, w6);
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#define PIXEL02_C *(q+2) = w5;
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#define PIXEL10_1 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w4);
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#define PIXEL10_3 *(q+nextlineDst) = interpolate16_2<bitFormat,7,1>(w5, w4);
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#define PIXEL10_6 *(q+nextlineDst) = interpolate16_2<bitFormat,3,1>(w4, w5);
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#define PIXEL10_C *(q+nextlineDst) = w5;
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#define PIXEL11 *(q+1+nextlineDst) = w5;
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#define PIXEL12_1 *(q+2+nextlineDst) = interpolate16_2<bitFormat,3,1>(w5, w6);
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#define PIXEL12_3 *(q+2+nextlineDst) = interpolate16_2<bitFormat,7,1>(w5, w6);
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#define PIXEL12_6 *(q+2+nextlineDst) = interpolate16_2<bitFormat,3,1>(w6, w5);
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#define PIXEL12_C *(q+2+nextlineDst) = w5;
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#define PIXEL20_1M *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w7);
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#define PIXEL20_1D *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
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#define PIXEL20_1L *(q+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w4);
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#define PIXEL20_2 *(q+nextlineDst2) = interpolate16_3<bitFormat,2,1,1>(w5, w8, w4);
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#define PIXEL20_4 *(q+nextlineDst2) = interpolate16_3<bitFormat,2,7,7>(w5, w8, w4);
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#define PIXEL20_5 *(q+nextlineDst2) = interpolate16_2<bitFormat,1,1>(w8, w4);
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#define PIXEL20_C *(q+nextlineDst2) = w5;
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#define PIXEL21_1 *(q+1+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
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#define PIXEL21_3 *(q+1+nextlineDst2) = interpolate16_2<bitFormat,7,1>(w5, w8);
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#define PIXEL21_6 *(q+1+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w8, w5);
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#define PIXEL21_C *(q+1+nextlineDst2) = w5;
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#define PIXEL22_1M *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w9);
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#define PIXEL22_1D *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w8);
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#define PIXEL22_1R *(q+2+nextlineDst2) = interpolate16_2<bitFormat,3,1>(w5, w6);
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#define PIXEL22_2 *(q+2+nextlineDst2) = interpolate16_3<bitFormat,2,1,1>(w5, w6, w8);
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#define PIXEL22_4 *(q+2+nextlineDst2) = interpolate16_3<bitFormat,2,7,7>(w5, w6, w8);
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#define PIXEL22_5 *(q+2+nextlineDst2) = interpolate16_2<bitFormat,1,1>(w6, w8);
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#define PIXEL22_C *(q+2+nextlineDst2) = w5;
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#define YUV(x) RGBtoYUV[w ## x]
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#define bitFormat 565
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void HQ3x_565(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
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#include "graphics/scaler/hq3x.h"
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}
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#undef bitFormat
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#define bitFormat 555
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void HQ3x_555(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
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#include "graphics/scaler/hq3x.h"
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}
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#undef bitFormat
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#ifdef HAS_ALTIVEC
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#define USE_ALTIVEC 1
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#define bitFormat 565
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void HQ3x_565_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
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#include "graphics/scaler/hq3x.h"
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}
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#undef bitFormat
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#define bitFormat 555
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void HQ3x_555_Altivec(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
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#include "graphics/scaler/hq3x.h"
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}
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#undef bitFormat
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#endif
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void HQ3x(const uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) {
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#ifdef HAS_ALTIVEC
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if (isAltiVecAvailable()) {
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if (gBitFormat == 565)
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HQ3x_565_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
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else
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HQ3x_555_Altivec(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
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return;
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}
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#endif
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if (gBitFormat == 565)
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HQ3x_565(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
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else
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HQ3x_555(srcPtr, srcPitch, dstPtr, dstPitch, width, height);
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}
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#endif
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