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runtime cpu detection

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Originally committed as revision 3144 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
pull/126/head
Michael Niedermayer 24 years ago
parent 48a05ceccd
commit 43d8c23cbf
3 changed files with 118 additions and 74 deletions
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  1. 4
      postproc/Makefile
  2. 105
      postproc/yuv2rgb.c
  3. 83
      postproc/yuv2rgb_template.c

4
postproc/Makefile
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@ -6,10 +6,6 @@ LIBNAME = libpostproc.a
SRCS=postprocess.c swscale.c rgb2rgb.c yuv2rgb.c
OBJS=$(SRCS:.c=.o)
ifeq ($(TARGET_ARCH_X86),yes)
SRCS += yuv2rgb_mmx.c
endif
CFLAGS = $(OPTFLAGS) $(MLIB_INC) -I. -I.. -Wall $(EXTRA_INC)
# -I/usr/X11R6/include/

105
postproc/yuv2rgb.c
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@ -25,6 +25,7 @@
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)
*/
#include <stdio.h>
@ -34,12 +35,77 @@
#include "config.h"
//#include "video_out.h"
#include "rgb2rgb.h"
#include "../cpudetect.h"
#ifdef HAVE_MLIB
#include "yuv2rgb_mlib.c"
#endif
extern yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode);
#define DITHER1XBPP // only for mmx
#ifdef ARCH_X86
#define CAN_COMPILE_X86_ASM
#endif
#ifdef CAN_COMPILE_X86_ASM
/* hope these constant values are cache line aligned */
uint64_t __attribute__((aligned(8))) mmx_80w = 0x0080008000800080;
uint64_t __attribute__((aligned(8))) mmx_10w = 0x1010101010101010;
uint64_t __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ff;
uint64_t __attribute__((aligned(8))) mmx_Y_coeff = 0x253f253f253f253f;
/* hope these constant values are cache line aligned */
uint64_t __attribute__((aligned(8))) mmx_U_green = 0xf37df37df37df37d;
uint64_t __attribute__((aligned(8))) mmx_U_blue = 0x4093409340934093;
uint64_t __attribute__((aligned(8))) mmx_V_red = 0x3312331233123312;
uint64_t __attribute__((aligned(8))) mmx_V_green = 0xe5fce5fce5fce5fc;
/* hope these constant values are cache line aligned */
uint64_t __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8;
uint64_t __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
// are read in the asm block
volatile uint64_t __attribute__((aligned(8))) b5Dither;
volatile uint64_t __attribute__((aligned(8))) g5Dither;
volatile uint64_t __attribute__((aligned(8))) g6Dither;
volatile uint64_t __attribute__((aligned(8))) r5Dither;
uint64_t __attribute__((aligned(8))) dither4[2]={
0x0103010301030103LL,
0x0200020002000200LL,};
uint64_t __attribute__((aligned(8))) dither8[2]={
0x0602060206020602LL,
0x0004000400040004LL,};
#undef HAVE_MMX
#undef ARCH_X86
//MMX versions
#undef RENAME
#define HAVE_MMX
#undef HAVE_MMX2
#undef HAVE_3DNOW
#define ARCH_X86
#define RENAME(a) a ## _MMX
#include "yuv2rgb_template.c"
//MMX2 versions
#undef RENAME
#define HAVE_MMX
#define HAVE_MMX2
#undef HAVE_3DNOW
#define ARCH_X86
#define RENAME(a) a ## _MMX2
#include "yuv2rgb_template.c"
#endif // CAN_COMPILE_X86_ASM
uint32_t matrix_coefficients = 6;
@ -63,10 +129,10 @@ static void (* yuv2rgb_c_internal) (uint8_t *, uint8_t *,
uint8_t *, uint8_t *,
void *, void *, int);
static void yuv2rgb_c (void * dst, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
static void yuv2rgb_c (void * dst, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
v_size >>= 1;
@ -81,16 +147,29 @@ static void yuv2rgb_c (void * dst, uint8_t * py,
}
}
void yuv2rgb_init (int bpp, int mode)
void yuv2rgb_init (int bpp, int mode)
{
yuv2rgb = NULL;
#ifdef HAVE_MMX
if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
yuv2rgb = yuv2rgb_init_mmx (bpp, mode);
if (yuv2rgb != NULL)
printf ("Using MMX for colorspace transform\n");
else
printf ("Cannot init MMX colorspace transform\n");
#ifdef CAN_COMPILE_X86_ASM
if(gCpuCaps.hasMMX2)
{
if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
yuv2rgb = yuv2rgb_init_MMX2 (bpp, mode);
if (yuv2rgb != NULL)
printf ("Using MMX2 for colorspace transform\n");
else
printf ("Cannot init MMX2 colorspace transform\n");
}
}
else if(gCpuCaps.hasMMX)
{
if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
yuv2rgb = yuv2rgb_init_MMX (bpp, mode);
if (yuv2rgb != NULL)
printf ("Using MMX for colorspace transform\n");
else
printf ("Cannot init MMX colorspace transform\n");
}
}
#endif
#ifdef HAVE_MLIB

83
postproc/yuv2rgb_template.c
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@ -24,58 +24,27 @@
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* 15,24 bpp and dithering from Michael Niedermayer (michaelni@gmx.at)
* MMX/MMX2 Template stuff from Michael Niedermayer (needed for fast movntq support)
*/
#include <stdio.h>
#include <stdlib.h>
#include "../config.h"
//#include "libmpeg2/mpeg2.h"
//#include "libmpeg2/mpeg2_internal.h"
#include <inttypes.h>
#include "rgb2rgb.h"
#include "../mmx_defs.h"
#define DITHER1XBPP
/* hope these constant values are cache line aligned */
uint64_t __attribute__((aligned(8))) mmx_80w = 0x0080008000800080;
uint64_t __attribute__((aligned(8))) mmx_10w = 0x1010101010101010;
uint64_t __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ff;
uint64_t __attribute__((aligned(8))) mmx_Y_coeff = 0x253f253f253f253f;
/* hope these constant values are cache line aligned */
uint64_t __attribute__((aligned(8))) mmx_U_green = 0xf37df37df37df37d;
uint64_t __attribute__((aligned(8))) mmx_U_blue = 0x4093409340934093;
uint64_t __attribute__((aligned(8))) mmx_V_red = 0x3312331233123312;
uint64_t __attribute__((aligned(8))) mmx_V_green = 0xe5fce5fce5fce5fc;
/* hope these constant values are cache line aligned */
uint64_t __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8;
uint64_t __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
uint64_t __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
uint64_t __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
uint64_t __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
// are read in the asm block
volatile uint64_t __attribute__((aligned(8))) b5Dither;
volatile uint64_t __attribute__((aligned(8))) g5Dither;
volatile uint64_t __attribute__((aligned(8))) g6Dither;
volatile uint64_t __attribute__((aligned(8))) r5Dither;
uint64_t __attribute__((aligned(8))) dither4[2]={
0x0103010301030103LL,
0x0200020002000200LL,};
uint64_t __attribute__((aligned(8))) dither8[2]={
0x0602060206020602LL,
0x0004000400040004LL,};
#undef MOVNTQ
#undef EMMS
#undef SFENCE
#ifdef HAVE_3DNOW
/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
#define EMMS "femms"
#else
#define EMMS "emms"
#endif
#ifdef HAVE_MMX2
#define MOVNTQ "movntq"
#define SFENCE "sfence"
#else
#define MOVNTQ "movq"
#define SFENCE "/nop"
#endif
#define YUV2RGB \
/* Do the multiply part of the conversion for even and odd pixels,
@ -152,7 +121,7 @@ uint64_t __attribute__((aligned(8))) dither8[2]={
"punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\
static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py,
static inline void RENAME(yuv420_rgb16) (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
@ -253,7 +222,7 @@ YUV2RGB
__asm__ __volatile__ (EMMS);
}
static void yuv420_rgb15_mmx (uint8_t * image, uint8_t * py,
static inline void RENAME(yuv420_rgb15) (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
@ -350,7 +319,7 @@ YUV2RGB
__asm__ __volatile__ (EMMS);
}
static void yuv420_rgb24_mmx (uint8_t * image, uint8_t * py,
static inline void RENAME(yuv420_rgb24) (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
@ -505,7 +474,7 @@ YUV2RGB
}
static void yuv420_argb32_mmx (uint8_t * image, uint8_t * py,
static inline void RENAME(yuv420_argb32) (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
@ -599,12 +568,12 @@ YUV2RGB
__asm__ __volatile__ (EMMS);
}
yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode)
yuv2rgb_fun RENAME(yuv2rgb_init) (int bpp, int mode)
{
if (bpp == 15 && mode == MODE_RGB) return yuv420_rgb15_mmx;
if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx;
if (bpp == 24 && mode == MODE_RGB) return yuv420_rgb24_mmx;
if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx;
if (bpp == 15 && mode == MODE_RGB) return RENAME(yuv420_rgb15);
if (bpp == 16 && mode == MODE_RGB) return RENAME(yuv420_rgb16);
if (bpp == 24 && mode == MODE_RGB) return RENAME(yuv420_rgb24);
if (bpp == 32 && mode == MODE_RGB) return RENAME(yuv420_argb32);
return NULL; // Fallback to C.
}

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