diff options
Diffstat (limited to 'src/libs/graphics/sdl/2xscalers_mmx.c')
-rw-r--r-- | src/libs/graphics/sdl/2xscalers_mmx.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/libs/graphics/sdl/2xscalers_mmx.c b/src/libs/graphics/sdl/2xscalers_mmx.c new file mode 100644 index 0000000..c321b16 --- /dev/null +++ b/src/libs/graphics/sdl/2xscalers_mmx.c @@ -0,0 +1,136 @@ +/* + * 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 */ + |