X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_cpu.h;h=bbc7b5b4687d79778d5dc9f97c39ed351c4464c8;hb=12ade3e3bc975d5426ba4af155b7372c31093b31;hp=9610fb6e79f75ede62441dfbb4906ab2439889fe;hpb=145b1961b4825d2a8d807bf02db90440a8c45380;p=vlc

diff --git a/include/vlc_cpu.h b/include/vlc_cpu.h
index 9610fb6e79..bbc7b5b468 100644
--- a/include/vlc_cpu.h
+++ b/include/vlc_cpu.h
@@ -1,16 +1,13 @@
 /*****************************************************************************
- * cpu.h: CPU type detection
+ * vlc_cpu.h: CPU capabilities
  *****************************************************************************
- * Copyright (C) 2002 VideoLAN
- * $Id: vlc_cpu.h,v 1.4 2002/10/03 13:21:54 sam Exp $
- *
- * Authors: Samuel Hocevar <sam@zoy.org>
+ * Copyright (C) 1998-2009 the VideoLAN team
  *
  * 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
@@ -18,8 +15,80 @@
  *
  * 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, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
-u32 CPUCapabilities( void );
+/**
+ * \file
+ * This file provides CPU-specific optimization flags.
+ */
+
+#ifndef VLC_CPU_H
+# define VLC_CPU_H 1
+
+# if defined (__i386__) || defined (__x86_64__)
+#  define CPU_CAPABILITY_MMX     (1<<3)
+#  define CPU_CAPABILITY_3DNOW   (1<<4)
+#  define CPU_CAPABILITY_MMXEXT  (1<<5)
+#  define CPU_CAPABILITY_SSE     (1<<6)
+#  define CPU_CAPABILITY_SSE2    (1<<7)
+#  define CPU_CAPABILITY_SSE3    (1<<8)
+#  define CPU_CAPABILITY_SSSE3   (1<<9)
+#  define CPU_CAPABILITY_SSE4_1  (1<<10)
+#  define CPU_CAPABILITY_SSE4_2  (1<<11)
+#  define CPU_CAPABILITY_SSE4A   (1<<12)
+# else
+#  define CPU_CAPABILITY_MMX     (0)
+#  define CPU_CAPABILITY_3DNOW   (0)
+#  define CPU_CAPABILITY_MMXEXT  (0)
+#  define CPU_CAPABILITY_SSE     (0)
+#  define CPU_CAPABILITY_SSE2    (0)
+#  define CPU_CAPABILITY_SSE3    (0)
+#  define CPU_CAPABILITY_SSSE3   (0)
+#  define CPU_CAPABILITY_SSE4_1  (0)
+#  define CPU_CAPABILITY_SSE4_2  (0)
+#  define CPU_CAPABILITY_SSE4A   (0)
+# endif
+
+# if defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
+#  define CPU_CAPABILITY_ALTIVEC (1<<16)
+# else
+#  define CPU_CAPABILITY_ALTIVEC (0)
+# endif
+
+# if defined (__arm__)
+#  define CPU_CAPABILITY_NEON    (1<<24)
+# else
+#  define CPU_CAPABILITY_NEON    (0)
+# endif
+
+VLC_EXPORT( unsigned, vlc_CPU, ( void ) );
+VLC_EXPORT( unsigned, vlc_GetCPUCount, ( void ) );
+
+/** Are floating point operations fast?
+ * If this bit is not set, you should try to use fixed-point instead.
+ */
+# if defined (__i386__) || defined (__x86_64__)
+#  define HAVE_FPU 1
+
+# elif defined (__powerpc__) || defined (__ppc__) || defined (__pc64__)
+#  define HAVE_FPU 1
+
+# elif defined (__arm__)
+#  define HAVE_FPU 0 /* revisit later? */
+
+# elif defined (__sparc__)
+#  define HAVE_FPU 1
+
+# else
+#  define HAVE_FPU 0
+
+# endif
+
+typedef void *(*vlc_memcpy_t) (void *tgt, const void *src, size_t n);
+typedef void *(*vlc_memset_t) (void *tgt, int c, size_t n);
+
+VLC_EXPORT( void, vlc_fastmem_register, (vlc_memcpy_t cpy, vlc_memset_t set) );
+
+#endif /* !VLC_CPU_H */