/*

 * VP9 SIMD optimizations

 *

 * Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * FFmpeg 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 GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#include "libavutil/attributes.h"

#include "libavutil/cpu.h"

#include "libavutil/x86/cpu.h"

#include "libavcodec/vp9dsp.h"

#include "libavcodec/x86/vp9dsp_init.h"

#if HAVE_X86ASM

decl_fpel_func(put,   8,    , mmx);

decl_fpel_func(avg,   8, _16, mmxext);

decl_fpel_func(put,  16,    , sse);

decl_fpel_func(put,  32,    , sse);

decl_fpel_func(put,  64,    , sse);

decl_fpel_func(put, 128,    , sse);

decl_fpel_func(avg,  16, _16, sse2);

decl_fpel_func(avg,  32, _16, sse2);

decl_fpel_func(avg,  64, _16, sse2);

decl_fpel_func(avg, 128, _16, sse2);

decl_fpel_func(put,  32,    , avx);

decl_fpel_func(put,  64,    , avx);

decl_fpel_func(put, 128,    , avx);

decl_fpel_func(avg,  32, _16, avx2);

decl_fpel_func(avg,  64, _16, avx2);

decl_fpel_func(avg, 128, _16, avx2);

decl_ipred_fns(v,       16, mmx,    sse);

decl_ipred_fns(h,       16, mmxext, sse2);

decl_ipred_fns(dc,      16, mmxext, sse2);

decl_ipred_fns(dc_top,  16, mmxext, sse2);

decl_ipred_fns(dc_left, 16, mmxext, sse2);

decl_ipred_fn(dl,       16,     16, avx2);

decl_ipred_fn(dl,       32,     16, avx2);

decl_ipred_fn(dr,       16,     16, avx2);

decl_ipred_fn(dr,       32,     16, avx2);

decl_ipred_fn(vl,       16,     16, avx2);

decl_ipred_fn(hd,       16,     16, avx2);

#define decl_ipred_dir_funcs(type) \

decl_ipred_fns(type, 16, sse2,  sse2); \

decl_ipred_fns(type, 16, ssse3, ssse3); \

decl_ipred_fns(type, 16, avx,   avx)

decl_ipred_dir_funcs(dl);

decl_ipred_dir_funcs(dr);

decl_ipred_dir_funcs(vl);

decl_ipred_dir_funcs(vr);

decl_ipred_dir_funcs(hu);

decl_ipred_dir_funcs(hd);

#endif /* HAVE_X86ASM */

av_cold void ff_vp9dsp_init_16bpp_x86(VP9DSPContext *dsp)

{

#if HAVE_X86ASM

    int cpu_flags = av_get_cpu_flags();

    if (EXTERNAL_MMX(cpu_flags)) {

        init_fpel_func(4, 0,   8, put, , mmx);

        init_ipred_func(v, VERT, 4, 16, mmx);

    }

    if (EXTERNAL_MMXEXT(cpu_flags)) {

        init_fpel_func(4, 1,   8, avg, _16, mmxext);

        init_ipred_func(h, HOR, 4, 16, mmxext);

        init_ipred_func(dc, DC, 4, 16, mmxext);

        init_ipred_func(dc_top,  TOP_DC,  4, 16, mmxext);

        init_ipred_func(dc_left, LEFT_DC, 4, 16, mmxext);

    }

    if (EXTERNAL_SSE(cpu_flags)) {

        init_fpel_func(3, 0,  16, put, , sse);

        init_fpel_func(2, 0,  32, put, , sse);

        init_fpel_func(1, 0,  64, put, , sse);

        init_fpel_func(0, 0, 128, put, , sse);

        init_8_16_32_ipred_funcs(v, VERT, 16, sse);

    }

    if (EXTERNAL_SSE2(cpu_flags)) {

        init_fpel_func(3, 1,  16, avg, _16, sse2);

        init_fpel_func(2, 1,  32, avg, _16, sse2);

        init_fpel_func(1, 1,  64, avg, _16, sse2);

        init_fpel_func(0, 1, 128, avg, _16, sse2);

        init_8_16_32_ipred_funcs(h, HOR, 16, sse2);

        init_8_16_32_ipred_funcs(dc, DC, 16, sse2);

        init_8_16_32_ipred_funcs(dc_top,  TOP_DC,  16, sse2);

        init_8_16_32_ipred_funcs(dc_left, LEFT_DC, 16, sse2);

        init_ipred_funcs(dl, DIAG_DOWN_LEFT, 16, sse2);

        init_ipred_funcs(dr, DIAG_DOWN_RIGHT, 16, sse2);

        init_ipred_funcs(vl, VERT_LEFT, 16, sse2);

        init_ipred_funcs(vr, VERT_RIGHT, 16, sse2);

        init_ipred_funcs(hu, HOR_UP, 16, sse2);

        init_ipred_funcs(hd, HOR_DOWN, 16, sse2);

    }

    if (EXTERNAL_SSSE3(cpu_flags)) {

        init_ipred_funcs(dl, DIAG_DOWN_LEFT, 16, ssse3);

        init_ipred_funcs(dr, DIAG_DOWN_RIGHT, 16, ssse3);

        init_ipred_funcs(vl, VERT_LEFT, 16, ssse3);

        init_ipred_funcs(vr, VERT_RIGHT, 16, ssse3);

        init_ipred_funcs(hu, HOR_UP, 16, ssse3);

        init_ipred_funcs(hd, HOR_DOWN, 16, ssse3);

    }

    if (EXTERNAL_AVX_FAST(cpu_flags)) {

        init_fpel_func(2, 0,  32, put, , avx);

        init_fpel_func(1, 0,  64, put, , avx);

        init_fpel_func(0, 0, 128, put, , avx);

        init_ipred_funcs(dl, DIAG_DOWN_LEFT, 16, avx);

        init_ipred_funcs(dr, DIAG_DOWN_RIGHT, 16, avx);

        init_ipred_funcs(vl, VERT_LEFT, 16, avx);

        init_ipred_funcs(vr, VERT_RIGHT, 16, avx);

        init_ipred_funcs(hu, HOR_UP, 16, avx);

        init_ipred_funcs(hd, HOR_DOWN, 16, avx);

    }

    if (EXTERNAL_AVX2_FAST(cpu_flags)) {

        init_fpel_func(2, 1,  32, avg, _16, avx2);

        init_fpel_func(1, 1,  64, avg, _16, avx2);

        init_fpel_func(0, 1, 128, avg, _16, avx2);

        init_ipred_func(dl, DIAG_DOWN_LEFT, 16, 16, avx2);

        init_ipred_func(dl, DIAG_DOWN_LEFT, 32, 16, avx2);

        init_ipred_func(dr, DIAG_DOWN_RIGHT, 16, 16, avx2);

        init_ipred_func(vl, VERT_LEFT, 16, 16, avx2);

        init_ipred_func(hd, HOR_DOWN, 16, 16, avx2);

#if ARCH_X86_64

        init_ipred_func(dr, DIAG_DOWN_RIGHT, 32, 16, avx2);

#endif

    }

#endif /* HAVE_X86ASM */

}