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author | Max Horn | 2006-02-20 20:29:02 +0000 |
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committer | Max Horn | 2006-02-20 20:29:02 +0000 |
commit | 7335d348ba43c1deaf5e97f222959de3d3e30cbc (patch) | |
tree | d4d7876916bf3639b198a8d22620fc71e19e1758 /graphics/scaler/hq2x.cpp | |
parent | 6160a17b3005353781143cd7cc475b112ad68f03 (diff) | |
download | scummvm-rg350-7335d348ba43c1deaf5e97f222959de3d3e30cbc.tar.gz scummvm-rg350-7335d348ba43c1deaf5e97f222959de3d3e30cbc.tar.bz2 scummvm-rg350-7335d348ba43c1deaf5e97f222959de3d3e30cbc.zip |
Moved common/scaler* to graphics/
svn-id: r20797
Diffstat (limited to 'graphics/scaler/hq2x.cpp')
-rw-r--r-- | graphics/scaler/hq2x.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/graphics/scaler/hq2x.cpp b/graphics/scaler/hq2x.cpp new file mode 100644 index 0000000000..cd15e7f97b --- /dev/null +++ b/graphics/scaler/hq2x.cpp @@ -0,0 +1,175 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#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 |