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/*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "port.h"
#include "libs/platform.h"
#if defined(MMX_ASM)
#include "libs/graphics/sdl/sdl_common.h"
#include "types.h"
#include "scalers.h"
#include "scaleint.h"
#include "2xscalers.h"
#include "2xscalers_mmx.h"
// MMX name for all functions
#undef SCALE_
#define SCALE_(name) Scale ## _MMX_ ## name
// Tell them which opcodes we want to support
#undef USE_MOVNTQ
#undef USE_PREFETCH
#undef USE_PSADBW
// And Bring in inline asm functions
#include "scalemmx.h"
// Scaler function lookup table
//
const Scale_FuncDef_t
Scale_MMX_Functions[] =
{
{TFB_GFXFLAGS_SCALE_BILINEAR, Scale_MMX_BilinearFilter},
{TFB_GFXFLAGS_SCALE_BIADAPT, Scale_BiAdaptFilter},
{TFB_GFXFLAGS_SCALE_BIADAPTADV, Scale_MMX_BiAdaptAdvFilter},
{TFB_GFXFLAGS_SCALE_TRISCAN, Scale_MMX_TriScanFilter},
{TFB_GFXFLAGS_SCALE_HQXX, Scale_MMX_HqFilter},
// Default
{0, Scale_MMX_Nearest}
};
// MMX transformation multipliers
Uint64 mmx_888to555_mult;
Uint64 mmx_Y_mult;
Uint64 mmx_U_mult;
Uint64 mmx_V_mult;
// Uint64 mmx_YUV_threshold = 0x00300706; original hq2x threshold
//Uint64 mmx_YUV_threshold = 0x0030100e;
Uint64 mmx_YUV_threshold = 0x0040120c;
void
Scale_MMX_PrepPlatform (const SDL_PixelFormat* fmt)
{
// prepare the channel-shuffle multiplier
mmx_888to555_mult = ((Uint64)0x0400) << (fmt->Rshift * 2)
| ((Uint64)0x0020) << (fmt->Gshift * 2)
| ((Uint64)0x0001) << (fmt->Bshift * 2);
// prepare the RGB->YUV multipliers
mmx_Y_mult = ((Uint64)(uint16)YUV_matrix[YUV_XFORM_R][YUV_XFORM_Y])
<< (fmt->Rshift * 2)
| ((Uint64)(uint16)YUV_matrix[YUV_XFORM_G][YUV_XFORM_Y])
<< (fmt->Gshift * 2)
| ((Uint64)(uint16)YUV_matrix[YUV_XFORM_B][YUV_XFORM_Y])
<< (fmt->Bshift * 2);
mmx_U_mult = ((Uint64)(uint16)YUV_matrix[YUV_XFORM_R][YUV_XFORM_U])
<< (fmt->Rshift * 2)
| ((Uint64)(uint16)YUV_matrix[YUV_XFORM_G][YUV_XFORM_U])
<< (fmt->Gshift * 2)
| ((Uint64)(uint16)YUV_matrix[YUV_XFORM_B][YUV_XFORM_U])
<< (fmt->Bshift * 2);
mmx_V_mult = ((Uint64)(uint16)YUV_matrix[YUV_XFORM_R][YUV_XFORM_V])
<< (fmt->Rshift * 2)
| ((Uint64)(uint16)YUV_matrix[YUV_XFORM_G][YUV_XFORM_V])
<< (fmt->Gshift * 2)
| ((Uint64)(uint16)YUV_matrix[YUV_XFORM_B][YUV_XFORM_V])
<< (fmt->Bshift * 2);
mmx_YUV_threshold = (SCALE_DIFFYUV_TY << 16) | (SCALE_DIFFYUV_TU << 8)
| SCALE_DIFFYUV_TV;
}
// Nearest Neighbor scaling to 2x
// void Scale_MMX_Nearest (SDL_Surface *src,
// SDL_Surface *dst, SDL_Rect *r)
#include "nearest2x.c"
// Bilinear scaling to 2x
// void Scale_MMX_BilinearFilter (SDL_Surface *src,
// SDL_Surface *dst, SDL_Rect *r)
#include "bilinear2x.c"
// Advanced Biadapt scaling to 2x
// void Scale_MMX_BiAdaptAdvFilter (SDL_Surface *src,
// SDL_Surface *dst, SDL_Rect *r)
#include "biadv2x.c"
// Triscan scaling to 2x
// derivative of 'scale2x' -- scale2x.sf.net
// void Scale_MMX_TriScanFilter (SDL_Surface *src,
// SDL_Surface *dst, SDL_Rect *r)
#include "triscan2x.c"
// Hq2x scaling
// (adapted from 'hq2x' by Maxim Stepin -- www.hiend3d.com/hq2x.html)
// void Scale_MMX_HqFilter (SDL_Surface *src,
// SDL_Surface *dst, SDL_Rect *r)
#include "hq2x.c"
#endif /* MMX_ASM */
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