mmxcpuid.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
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- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- /* init function which detects presence or absence of MMX was called */
- #define CPUID_NOTINIT 0
- #define CPUID_VALID 1
- /* init function detected mmx support if !=0 */
- #define CPUID_MMX_OFF 0x00000000
- //turn everything on with this bit
- #define CPUID_MMX_ON 0x00000001
- //if bit 0 = 1 is not set, turn on selectively
- #define CPUID_MMXDEBLO_ON 0x00000002
- #define CPUID_MMXYUV2RGB_ON 0x00000004
- #define CPUID_MMXRGB2YUV_ON 0x00000008
- #define CPUID_MMXMOTION_ON 0x00000010
- #define CPUID_MMXIDCT_ON 0x00000020
- /*----------------------------------------------------------------------------*/
- extern long g_mmx_checked;
- extern long g_mmx_detected;
- /*----------------------------------------------------------------------------*/
- void cpuid_init();
- #define cpuid_is_init() (g_mmx_checked==CPUID_VALID)
- #define cpuid_is_mmx_on() ((g_mmx_detected & CPUID_MMX_ON) !=0)
- #define cpuid_is_mmx_deblo_on() ((g_mmx_detected & (CPUID_MMX_ON | CPUID_MMXDEBLO_ON)) !=0)
- #define cpuid_is_mmx_yuv2rgb_on() ((g_mmx_detected & (CPUID_MMX_ON | CPUID_MMXYUV2RGB_ON)) !=0)
- #define cpuid_is_mmx_rgb2yuv_on() ((g_mmx_detected & (CPUID_MMX_ON | CPUID_MMXRGB2YUV_ON)) !=0)
- #define cpuid_is_mmx_motion_on() ((g_mmx_detected & (CPUID_MMX_ON | CPUID_MMXMOTION_ON)) !=0)
- #define cpuid_is_mmx_idct_on() ((g_mmx_detected & (CPUID_MMX_ON | CPUID_MMXIDCT_ON)) !=0)