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runtime cpu detection optional (compiles faster) 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3153 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael 2001-11-27 01:19:56 +00:00
parent 813b79917b
commit fc1895f35b
1 changed files with 44 additions and 1 deletions
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45
postproc/swscale.c
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@ -136,12 +136,38 @@ void in_asm_used_var_warning_killer()
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
//Plain C versions
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
#define COMPILE_C
#endif
#ifdef CAN_COMPILE_X86_ASM
#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
#define COMPILE_MMX
#endif
#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
#define COMPILE_MMX2
#endif
#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
#define COMPILE_3DNOW
#endif
#endif //CAN_COMPILE_X86_ASM
#undef HAVE_MMX
#undef HAVE_MMX2
#undef HAVE_3DNOW
#undef ARCH_X86
#ifdef COMPILE_C
#undef HAVE_MMX
#undef HAVE_MMX2
#undef HAVE_3DNOW
#undef ARCH_X86
#define RENAME(a) a ## _C
#include "swscale_template.c"
#endif
#ifdef CAN_COMPILE_X86_ASM
@ -156,6 +182,7 @@ void in_asm_used_var_warning_killer()
#include "swscale_template.c"
*/
//MMX versions
#ifdef COMPILE_MMX
#undef RENAME
#define HAVE_MMX
#undef HAVE_MMX2
@ -163,8 +190,10 @@ void in_asm_used_var_warning_killer()
#define ARCH_X86
#define RENAME(a) a ## _MMX
#include "swscale_template.c"
#endif
//MMX2 versions
#ifdef COMPILE_MMX2
#undef RENAME
#define HAVE_MMX
#define HAVE_MMX2
@ -172,8 +201,10 @@ void in_asm_used_var_warning_killer()
#define ARCH_X86
#define RENAME(a) a ## _MMX2
#include "swscale_template.c"
#endif
//3DNOW versions
#ifdef COMPILE_3DNOW
#undef RENAME
#define HAVE_MMX
#undef HAVE_MMX2
@ -181,6 +212,7 @@ void in_asm_used_var_warning_killer()
#define ARCH_X86
#define RENAME(a) a ## _3DNow
#include "swscale_template.c"
#endif
#endif //CAN_COMPILE_X86_ASM
@ -200,7 +232,7 @@ void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int y, int h,
// scaling factors:
//static int s_yinc=(vo_dga_src_height<<16)/vo_dga_vp_height;
//static int s_xinc=(vo_dga_src_width<<8)/vo_dga_vp_width;
#ifdef RUNTIME_CPUDETECT
#ifdef CAN_COMPILE_X86_ASM
// ordered per speed fasterst first
if(gCpuCaps.hasMMX2)
@ -214,6 +246,17 @@ void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int y, int h,
#else
SwScale_YV12slice_C(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
#endif
#else //RUNTIME_CPUDETECT
#ifdef HAVE_MMX2
SwScale_YV12slice_MMX2(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
#elif defined (HAVE_3DNOW)
SwScale_YV12slice_3DNow(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
#elif defined (HAVE_MMX)
SwScale_YV12slice_MMX(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
#else
SwScale_YV12slice_C(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
#endif
#endif //!RUNTIME_CPUDETECT
}