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Code Issues Releases Activity

Fix runtime CPU detection in libswscale.

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tateu 2011-04-27 01:50:50 +02:00 committed by Carl Eugen Hoyos
parent 075933a068
commit 93c28a55fd
3 changed files with 9 additions and 8 deletions
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2
libswscale/rgb2rgb.c
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@ -199,7 +199,7 @@ DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
void sws_rgb2rgb_init(int flags)
{
#if HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
#if HAVE_SSE2 || HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX
if (flags & SWS_CPU_CAPS_SSE2)
rgb2rgb_init_SSE2();
else if (flags & SWS_CPU_CAPS_MMX2)

7
libswscale/swscale.c
View File

@ -62,7 +62,6 @@ untested special converters
#include "rgb2rgb.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/x86_cpu.h"
#include "libavutil/cpu.h"
#include "libavutil/avutil.h"
#include "libavutil/mathematics.h"
#include "libavutil/bswap.h"
@ -1314,12 +1313,6 @@ SwsFunc ff_getSwsFunc(SwsContext *c)
#if CONFIG_RUNTIME_CPUDETECT
int flags = c->flags;
int cpuflags = av_get_cpu_flags();
flags |= (cpuflags & AV_CPU_FLAG_MMX ? SWS_CPU_CAPS_MMX : 0);
flags |= (cpuflags & AV_CPU_FLAG_MMX2 ? SWS_CPU_CAPS_MMX2 : 0);
flags |= (cpuflags & AV_CPU_FLAG_3DNOW ? SWS_CPU_CAPS_3DNOW : 0);
#if ARCH_X86
// ordered per speed fastest first
if (flags & SWS_CPU_CAPS_MMX2) {

8
libswscale/utils.c
View File

@ -41,6 +41,7 @@
#include "rgb2rgb.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/x86_cpu.h"
#include "libavutil/cpu.h"
#include "libavutil/avutil.h"
#include "libavutil/bswap.h"
#include "libavutil/opt.h"
@ -742,6 +743,13 @@ static int update_flags_cpu(int flags)
|SWS_CPU_CAPS_ALTIVEC
|SWS_CPU_CAPS_BFIN);
flags |= ff_hardcodedcpuflags();
#else /* !CONFIG_RUNTIME_CPUDETECT */
int cpuflags = av_get_cpu_flags();
flags |= (cpuflags & AV_CPU_FLAG_SSE2 ? SWS_CPU_CAPS_SSE2 : 0);
flags |= (cpuflags & AV_CPU_FLAG_MMX ? SWS_CPU_CAPS_MMX : 0);
flags |= (cpuflags & AV_CPU_FLAG_MMX2 ? SWS_CPU_CAPS_MMX2 : 0);
flags |= (cpuflags & AV_CPU_FLAG_3DNOW ? SWS_CPU_CAPS_3DNOW : 0);
#endif /* CONFIG_RUNTIME_CPUDETECT */
return flags;
}