b67821f37b
This commit factors the 4x4, 8x8, and 16x16 2D-DCT forward transform operations into vpx_dsp folder. Change-Id: I084b117b79c0925edcbcabb93f62b9f4bf8dbe7d
119 lines
3.2 KiB
NASM
119 lines
3.2 KiB
NASM
;
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; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "third_party/x86inc/x86inc.asm"
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; This file provides SSSE3 version of the forward transformation. Part
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; of the macro definitions are originally derived from the ffmpeg project.
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; The current version applies to x86 64-bit only.
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SECTION .text
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%if ARCH_X86_64
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; matrix transpose
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%macro INTERLEAVE_2X 4
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punpckh%1 m%4, m%2, m%3
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punpckl%1 m%2, m%3
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SWAP %3, %4
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%endmacro
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%macro TRANSPOSE8X8 9
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INTERLEAVE_2X wd, %1, %2, %9
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INTERLEAVE_2X wd, %3, %4, %9
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INTERLEAVE_2X wd, %5, %6, %9
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INTERLEAVE_2X wd, %7, %8, %9
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INTERLEAVE_2X dq, %1, %3, %9
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INTERLEAVE_2X dq, %2, %4, %9
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INTERLEAVE_2X dq, %5, %7, %9
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INTERLEAVE_2X dq, %6, %8, %9
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INTERLEAVE_2X qdq, %1, %5, %9
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INTERLEAVE_2X qdq, %3, %7, %9
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INTERLEAVE_2X qdq, %2, %6, %9
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INTERLEAVE_2X qdq, %4, %8, %9
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SWAP %2, %5
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SWAP %4, %7
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%endmacro
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%macro HMD8_1D 0
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psubw m8, m0, m1
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psubw m9, m2, m3
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paddw m0, m1
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paddw m2, m3
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SWAP 1, 8
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SWAP 3, 9
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psubw m8, m4, m5
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psubw m9, m6, m7
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paddw m4, m5
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paddw m6, m7
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SWAP 5, 8
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SWAP 7, 9
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psubw m8, m0, m2
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psubw m9, m1, m3
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paddw m0, m2
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paddw m1, m3
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SWAP 2, 8
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SWAP 3, 9
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psubw m8, m4, m6
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psubw m9, m5, m7
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paddw m4, m6
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paddw m5, m7
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SWAP 6, 8
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SWAP 7, 9
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psubw m8, m0, m4
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psubw m9, m1, m5
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paddw m0, m4
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paddw m1, m5
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SWAP 4, 8
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SWAP 5, 9
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psubw m8, m2, m6
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psubw m9, m3, m7
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paddw m2, m6
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paddw m3, m7
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SWAP 6, 8
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SWAP 7, 9
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%endmacro
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INIT_XMM ssse3
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cglobal hadamard_8x8, 3, 5, 10, input, stride, output
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lea r3, [2 * strideq]
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lea r4, [4 * strideq]
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mova m0, [inputq]
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mova m1, [inputq + r3]
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lea inputq, [inputq + r4]
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mova m2, [inputq]
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mova m3, [inputq + r3]
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lea inputq, [inputq + r4]
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mova m4, [inputq]
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mova m5, [inputq + r3]
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lea inputq, [inputq + r4]
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mova m6, [inputq]
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mova m7, [inputq + r3]
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HMD8_1D
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TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9
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HMD8_1D
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mova [outputq + 0], m0
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mova [outputq + 16], m1
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mova [outputq + 32], m2
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mova [outputq + 48], m3
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mova [outputq + 64], m4
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mova [outputq + 80], m5
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mova [outputq + 96], m6
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mova [outputq + 112], m7
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RET
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%endif
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