/*
 *  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_ports/config.h"
#include "vpx_ports/x86.h"
#include "vp8/common/g_common.h"
#include "vp8/common/subpixel.h"
#include "vp8/common/loopfilter.h"
#include "vp8/common/recon.h"
#include "vp8/common/idct.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();
    int mmx_enabled = flags & HAS_MMX;
    int xmm_enabled = flags & HAS_SSE;
    int wmt_enabled = flags & HAS_SSE2;
    int SSSE3Enabled = flags & HAS_SSSE3;

    /* 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 (mmx_enabled)
    {
        rtcd->idct.idct1        = vp8_short_idct4x4llm_1_mmx;
        rtcd->idct.idct16       = vp8_short_idct4x4llm_mmx;
        rtcd->idct.idct1_scalar_add = vp8_dc_only_idct_add_mmx;
        rtcd->idct.iwalsh16     = vp8_short_inv_walsh4x4_mmx;
        rtcd->idct.iwalsh1     = vp8_short_inv_walsh4x4_1_mmx;


        rtcd->recon.recon       = vp8_recon_b_mmx;
        rtcd->recon.copy8x8     = vp8_copy_mem8x8_mmx;
        rtcd->recon.copy8x4     = vp8_copy_mem8x4_mmx;
        rtcd->recon.copy16x16   = vp8_copy_mem16x16_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;

        rtcd->loopfilter.normal_mb_v = vp8_loop_filter_mbv_mmx;
        rtcd->loopfilter.normal_b_v  = vp8_loop_filter_bv_mmx;
        rtcd->loopfilter.normal_mb_h = vp8_loop_filter_mbh_mmx;
        rtcd->loopfilter.normal_b_h  = vp8_loop_filter_bh_mmx;
        rtcd->loopfilter.simple_mb_v = vp8_loop_filter_mbvs_mmx;
        rtcd->loopfilter.simple_b_v  = vp8_loop_filter_bvs_mmx;
        rtcd->loopfilter.simple_mb_h = vp8_loop_filter_mbhs_mmx;
        rtcd->loopfilter.simple_b_h  = vp8_loop_filter_bhs_mmx;

#if CONFIG_POSTPROC
        rtcd->postproc.down        = vp8_mbpost_proc_down_mmx;
        /*rtcd->postproc.across      = vp8_mbpost_proc_across_ip_c;*/
        rtcd->postproc.downacross  = vp8_post_proc_down_and_across_mmx;
        rtcd->postproc.addnoise    = vp8_plane_add_noise_mmx;
#endif
    }

#endif
#if HAVE_SSE2

    if (wmt_enabled)
    {
        rtcd->recon.recon2      = vp8_recon2b_sse2;
        rtcd->recon.recon4      = vp8_recon4b_sse2;
        rtcd->recon.copy16x16   = vp8_copy_mem16x16_sse2;

        rtcd->idct.iwalsh16     = vp8_short_inv_walsh4x4_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;

        rtcd->loopfilter.normal_mb_v = vp8_loop_filter_mbv_sse2;
        rtcd->loopfilter.normal_b_v  = vp8_loop_filter_bv_sse2;
        rtcd->loopfilter.normal_mb_h = vp8_loop_filter_mbh_sse2;
        rtcd->loopfilter.normal_b_h  = vp8_loop_filter_bh_sse2;
        rtcd->loopfilter.simple_mb_v = vp8_loop_filter_mbvs_sse2;
        rtcd->loopfilter.simple_b_v  = vp8_loop_filter_bvs_sse2;
        rtcd->loopfilter.simple_mb_h = vp8_loop_filter_mbhs_sse2;
        rtcd->loopfilter.simple_b_h  = vp8_loop_filter_bhs_sse2;

#if CONFIG_POSTPROC
        rtcd->postproc.down        = vp8_mbpost_proc_down_xmm;
        rtcd->postproc.across      = vp8_mbpost_proc_across_ip_xmm;
        rtcd->postproc.downacross  = vp8_post_proc_down_and_across_xmm;
        rtcd->postproc.addnoise    = vp8_plane_add_noise_wmt;
#endif
    }

#endif

#if HAVE_SSSE3

    if (SSSE3Enabled)
    {
        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
}