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Diffstat (limited to 'media/libvpx/vp9/encoder/x86/vp9_dct_ssse3_x86_64.asm')
| -rw-r--r-- | media/libvpx/vp9/encoder/x86/vp9_dct_ssse3_x86_64.asm | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/x86/vp9_dct_ssse3_x86_64.asm b/media/libvpx/vp9/encoder/x86/vp9_dct_ssse3_x86_64.asm new file mode 100644 index 000000000..3a29aba6f --- /dev/null +++ b/media/libvpx/vp9/encoder/x86/vp9_dct_ssse3_x86_64.asm @@ -0,0 +1,255 @@ +; +; Copyright (c) 2014 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 "third_party/x86inc/x86inc.asm" + +; This file provides SSSE3 version of the forward transformation. Part +; of the macro definitions are originally derived from the ffmpeg project. +; The current version applies to x86 64-bit only. + +SECTION_RODATA + +pw_11585x2: times 8 dw 23170 +pd_8192: times 4 dd 8192 + +%macro TRANSFORM_COEFFS 2 +pw_%1_%2: dw %1, %2, %1, %2, %1, %2, %1, %2 +pw_%2_m%1: dw %2, -%1, %2, -%1, %2, -%1, %2, -%1 +%endmacro + +TRANSFORM_COEFFS 11585, 11585 +TRANSFORM_COEFFS 15137, 6270 +TRANSFORM_COEFFS 16069, 3196 +TRANSFORM_COEFFS 9102, 13623 + +SECTION .text + +%if ARCH_X86_64 +%macro SUM_SUB 3 + psubw m%3, m%1, m%2 + paddw m%1, m%2 + SWAP %2, %3 +%endmacro + +; butterfly operation +%macro MUL_ADD_2X 6 ; dst1, dst2, src, round, coefs1, coefs2 + pmaddwd m%1, m%3, %5 + pmaddwd m%2, m%3, %6 + paddd m%1, %4 + paddd m%2, %4 + psrad m%1, 14 + psrad m%2, 14 +%endmacro + +%macro BUTTERFLY_4X 7 ; dst1, dst2, coef1, coef2, round, tmp1, tmp2 + punpckhwd m%6, m%2, m%1 + MUL_ADD_2X %7, %6, %6, %5, [pw_%4_%3], [pw_%3_m%4] + punpcklwd m%2, m%1 + MUL_ADD_2X %1, %2, %2, %5, [pw_%4_%3], [pw_%3_m%4] + packssdw m%1, m%7 + packssdw m%2, m%6 +%endmacro + +; matrix transpose +%macro INTERLEAVE_2X 4 + punpckh%1 m%4, m%2, m%3 + punpckl%1 m%2, m%3 + SWAP %3, %4 +%endmacro + +%macro TRANSPOSE8X8 9 + INTERLEAVE_2X wd, %1, %2, %9 + INTERLEAVE_2X wd, %3, %4, %9 + INTERLEAVE_2X wd, %5, %6, %9 + INTERLEAVE_2X wd, %7, %8, %9 + + INTERLEAVE_2X dq, %1, %3, %9 + INTERLEAVE_2X dq, %2, %4, %9 + INTERLEAVE_2X dq, %5, %7, %9 + INTERLEAVE_2X dq, %6, %8, %9 + + INTERLEAVE_2X qdq, %1, %5, %9 + INTERLEAVE_2X qdq, %3, %7, %9 + INTERLEAVE_2X qdq, %2, %6, %9 + INTERLEAVE_2X qdq, %4, %8, %9 + + SWAP %2, %5 + SWAP %4, %7 +%endmacro + +; 1D forward 8x8 DCT transform +%macro FDCT8_1D 1 + SUM_SUB 0, 7, 9 + SUM_SUB 1, 6, 9 + SUM_SUB 2, 5, 9 + SUM_SUB 3, 4, 9 + + SUM_SUB 0, 3, 9 + SUM_SUB 1, 2, 9 + SUM_SUB 6, 5, 9 +%if %1 == 0 + SUM_SUB 0, 1, 9 +%endif + + BUTTERFLY_4X 2, 3, 6270, 15137, m8, 9, 10 + + pmulhrsw m6, m12 + pmulhrsw m5, m12 +%if %1 == 0 + pmulhrsw m0, m12 + pmulhrsw m1, m12 +%else + BUTTERFLY_4X 1, 0, 11585, 11585, m8, 9, 10 + SWAP 0, 1 +%endif + + SUM_SUB 4, 5, 9 + SUM_SUB 7, 6, 9 + BUTTERFLY_4X 4, 7, 3196, 16069, m8, 9, 10 + BUTTERFLY_4X 5, 6, 13623, 9102, m8, 9, 10 + SWAP 1, 4 + SWAP 3, 6 +%endmacro + +%macro DIVIDE_ROUND_2X 4 ; dst1, dst2, tmp1, tmp2 + psraw m%3, m%1, 15 + psraw m%4, m%2, 15 + psubw m%1, m%3 + psubw m%2, m%4 + psraw m%1, 1 + psraw m%2, 1 +%endmacro + +INIT_XMM ssse3 +cglobal fdct8x8, 3, 5, 13, input, output, stride + + mova m8, [pd_8192] + mova m12, [pw_11585x2] + pxor m11, m11 + + lea r3, [2 * strideq] + lea r4, [4 * strideq] + mova m0, [inputq] + mova m1, [inputq + r3] + lea inputq, [inputq + r4] + mova m2, [inputq] + mova m3, [inputq + r3] + lea inputq, [inputq + r4] + mova m4, [inputq] + mova m5, [inputq + r3] + lea inputq, [inputq + r4] + mova m6, [inputq] + mova m7, [inputq + r3] + + ; left shift by 2 to increase forward transformation precision + psllw m0, 2 + psllw m1, 2 + psllw m2, 2 + psllw m3, 2 + psllw m4, 2 + psllw m5, 2 + psllw m6, 2 + psllw m7, 2 + + ; column transform + FDCT8_1D 0 + TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 + + FDCT8_1D 1 + TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 + + DIVIDE_ROUND_2X 0, 1, 9, 10 + DIVIDE_ROUND_2X 2, 3, 9, 10 + DIVIDE_ROUND_2X 4, 5, 9, 10 + DIVIDE_ROUND_2X 6, 7, 9, 10 + + mova [outputq + 0], m0 + mova [outputq + 16], m1 + mova [outputq + 32], m2 + mova [outputq + 48], m3 + mova [outputq + 64], m4 + mova [outputq + 80], m5 + mova [outputq + 96], m6 + mova [outputq + 112], m7 + + RET + +%macro HMD8_1D 0 + psubw m8, m0, m1 + psubw m9, m2, m3 + paddw m0, m1 + paddw m2, m3 + SWAP 1, 8 + SWAP 3, 9 + psubw m8, m4, m5 + psubw m9, m6, m7 + paddw m4, m5 + paddw m6, m7 + SWAP 5, 8 + SWAP 7, 9 + + psubw m8, m0, m2 + psubw m9, m1, m3 + paddw m0, m2 + paddw m1, m3 + SWAP 2, 8 + SWAP 3, 9 + psubw m8, m4, m6 + psubw m9, m5, m7 + paddw m4, m6 + paddw m5, m7 + SWAP 6, 8 + SWAP 7, 9 + + psubw m8, m0, m4 + psubw m9, m1, m5 + paddw m0, m4 + paddw m1, m5 + SWAP 4, 8 + SWAP 5, 9 + psubw m8, m2, m6 + psubw m9, m3, m7 + paddw m2, m6 + paddw m3, m7 + SWAP 6, 8 + SWAP 7, 9 +%endmacro + +INIT_XMM ssse3 +cglobal hadamard_8x8, 3, 5, 10, input, stride, output + lea r3, [2 * strideq] + lea r4, [4 * strideq] + + mova m0, [inputq] + mova m1, [inputq + r3] + lea inputq, [inputq + r4] + mova m2, [inputq] + mova m3, [inputq + r3] + lea inputq, [inputq + r4] + mova m4, [inputq] + mova m5, [inputq + r3] + lea inputq, [inputq + r4] + mova m6, [inputq] + mova m7, [inputq + r3] + + HMD8_1D + TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 + HMD8_1D + + mova [outputq + 0], m0 + mova [outputq + 16], m1 + mova [outputq + 32], m2 + mova [outputq + 48], m3 + mova [outputq + 64], m4 + mova [outputq + 80], m5 + mova [outputq + 96], m6 + mova [outputq + 112], m7 + + RET +%endif |