diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/encoder/x86/vp9_dct_sse2.asm')
| -rw-r--r-- | media/libvpx/libvpx/vp9/encoder/x86/vp9_dct_sse2.asm | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/encoder/x86/vp9_dct_sse2.asm b/media/libvpx/libvpx/vp9/encoder/x86/vp9_dct_sse2.asm new file mode 100644 index 0000000000..8152dce864 --- /dev/null +++ b/media/libvpx/libvpx/vp9/encoder/x86/vp9_dct_sse2.asm @@ -0,0 +1,69 @@ +; +; Copyright (c) 2016 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. +; + +%define private_prefix vp9 + +%include "third_party/x86inc/x86inc.asm" +%include "vpx_dsp/x86/bitdepth_conversion_sse2.asm" + +SECTION .text + +%macro TRANSFORM_COLS 0 + paddw m0, m1 + movq m4, m0 + psubw m3, m2 + psubw m4, m3 + psraw m4, 1 + movq m5, m4 + psubw m5, m1 ;b1 + psubw m4, m2 ;c1 + psubw m0, m4 + paddw m3, m5 + ; m0 a0 + SWAP 1, 4 ; m1 c1 + SWAP 2, 3 ; m2 d1 + SWAP 3, 5 ; m3 b1 +%endmacro + +%macro TRANSPOSE_4X4 0 + ; 00 01 02 03 + ; 10 11 12 13 + ; 20 21 22 23 + ; 30 31 32 33 + punpcklwd m0, m1 ; 00 10 01 11 02 12 03 13 + punpcklwd m2, m3 ; 20 30 21 31 22 32 23 33 + mova m1, m0 + punpckldq m0, m2 ; 00 10 20 30 01 11 21 31 + punpckhdq m1, m2 ; 02 12 22 32 03 13 23 33 +%endmacro + +INIT_XMM sse2 +cglobal fwht4x4, 3, 4, 8, input, output, stride + lea r3q, [inputq + strideq*4] + movq m0, [inputq] ;a1 + movq m1, [inputq + strideq*2] ;b1 + movq m2, [r3q] ;c1 + movq m3, [r3q + strideq*2] ;d1 + + TRANSFORM_COLS + TRANSPOSE_4X4 + SWAP 1, 2 + psrldq m1, m0, 8 + psrldq m3, m2, 8 + TRANSFORM_COLS + TRANSPOSE_4X4 + + psllw m0, 2 + psllw m1, 2 + + STORE_TRAN_LOW 0, outputq, 0, 2, 3 + STORE_TRAN_LOW 1, outputq, 8, 2, 3 + + RET |