vp8/common/x86/x86_systemdependent.c

/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */


#include "vpx_config.h"
#include "vpx_ports/x86.h"
#include "vp8/common/subpixel.h"
#include "vp8/common/loopfilter.h"
#include "vp8/common/pragmas.h"
#include "vp8/common/onyxc_int.h"

void vp8_arch_x86_common_init(VP8_COMMON *ctx)
{
#if CONFIG_RUNTIME_CPU_DETECT
    VP8_COMMON_RTCD *rtcd = &ctx->rtcd;
    int flags = x86_simd_caps();

    /* Note:
     *
     * This platform can be built without runtime CPU detection as well. If
     * you modify any of the function mappings present in this file, be sure
     * to also update them in static mapings (<arch>/filename_<arch>.h)
     */

    /* Override default functions with fastest ones for this CPU. */
#if HAVE_MMX

    if (flags & HAS_MMX)
    {
        rtcd->subpix.sixtap16x16   = vp8_sixtap_predict16x16_mmx;
        rtcd->subpix.sixtap8x8     = vp8_sixtap_predict8x8_mmx;
        rtcd->subpix.sixtap8x4     = vp8_sixtap_predict8x4_mmx;
        rtcd->subpix.sixtap4x4     = vp8_sixtap_predict4x4_mmx;
        rtcd->subpix.bilinear16x16 = vp8_bilinear_predict16x16_mmx;
        rtcd->subpix.bilinear8x8   = vp8_bilinear_predict8x8_mmx;
        rtcd->subpix.bilinear8x4   = vp8_bilinear_predict8x4_mmx;
        rtcd->subpix.bilinear4x4   = vp8_bilinear_predict4x4_mmx;
    }

#endif
#if HAVE_SSE2

    if (flags & HAS_SSE2)
    {
        rtcd->subpix.sixtap16x16   = vp8_sixtap_predict16x16_sse2;
        rtcd->subpix.sixtap8x8     = vp8_sixtap_predict8x8_sse2;
        rtcd->subpix.sixtap8x4     = vp8_sixtap_predict8x4_sse2;
        rtcd->subpix.bilinear16x16 = vp8_bilinear_predict16x16_sse2;
        rtcd->subpix.bilinear8x8   = vp8_bilinear_predict8x8_sse2;
    }

#endif

#if HAVE_SSSE3

    if (flags & HAS_SSSE3)
    {
        rtcd->subpix.sixtap16x16   = vp8_sixtap_predict16x16_ssse3;
        rtcd->subpix.sixtap8x8     = vp8_sixtap_predict8x8_ssse3;
        rtcd->subpix.sixtap8x4     = vp8_sixtap_predict8x4_ssse3;
        rtcd->subpix.sixtap4x4     = vp8_sixtap_predict4x4_ssse3;
        rtcd->subpix.bilinear16x16 = vp8_bilinear_predict16x16_ssse3;
        rtcd->subpix.bilinear8x8   = vp8_bilinear_predict8x8_ssse3;
    }
#endif

#endif
}