зеркало из https://github.com/mozilla/gecko-dev.git
248 строки
7.2 KiB
C++
248 строки
7.2 KiB
C++
/*
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* Copyright 2013 The LibYuv 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 "libyuv/row.h"
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#include "libyuv/rotate_row.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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// This module is for 32 bit Visual C x86 and clangcl
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#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86)
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__declspec(naked)
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void TransposeWx8_SSSE3(const uint8* src, int src_stride,
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uint8* dst, int dst_stride, int width) {
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__asm {
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push edi
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push esi
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push ebp
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mov eax, [esp + 12 + 4] // src
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mov edi, [esp + 12 + 8] // src_stride
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mov edx, [esp + 12 + 12] // dst
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mov esi, [esp + 12 + 16] // dst_stride
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mov ecx, [esp + 12 + 20] // width
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// Read in the data from the source pointer.
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// First round of bit swap.
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align 4
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convertloop:
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movq xmm0, qword ptr [eax]
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lea ebp, [eax + 8]
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movq xmm1, qword ptr [eax + edi]
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lea eax, [eax + 2 * edi]
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punpcklbw xmm0, xmm1
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movq xmm2, qword ptr [eax]
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movdqa xmm1, xmm0
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palignr xmm1, xmm1, 8
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movq xmm3, qword ptr [eax + edi]
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lea eax, [eax + 2 * edi]
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punpcklbw xmm2, xmm3
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movdqa xmm3, xmm2
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movq xmm4, qword ptr [eax]
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palignr xmm3, xmm3, 8
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movq xmm5, qword ptr [eax + edi]
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punpcklbw xmm4, xmm5
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lea eax, [eax + 2 * edi]
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movdqa xmm5, xmm4
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movq xmm6, qword ptr [eax]
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palignr xmm5, xmm5, 8
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movq xmm7, qword ptr [eax + edi]
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punpcklbw xmm6, xmm7
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mov eax, ebp
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movdqa xmm7, xmm6
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palignr xmm7, xmm7, 8
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// Second round of bit swap.
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punpcklwd xmm0, xmm2
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punpcklwd xmm1, xmm3
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movdqa xmm2, xmm0
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movdqa xmm3, xmm1
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palignr xmm2, xmm2, 8
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palignr xmm3, xmm3, 8
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punpcklwd xmm4, xmm6
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punpcklwd xmm5, xmm7
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movdqa xmm6, xmm4
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movdqa xmm7, xmm5
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palignr xmm6, xmm6, 8
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palignr xmm7, xmm7, 8
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// Third round of bit swap.
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// Write to the destination pointer.
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punpckldq xmm0, xmm4
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movq qword ptr [edx], xmm0
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movdqa xmm4, xmm0
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palignr xmm4, xmm4, 8
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movq qword ptr [edx + esi], xmm4
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lea edx, [edx + 2 * esi]
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punpckldq xmm2, xmm6
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movdqa xmm6, xmm2
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palignr xmm6, xmm6, 8
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movq qword ptr [edx], xmm2
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punpckldq xmm1, xmm5
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movq qword ptr [edx + esi], xmm6
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lea edx, [edx + 2 * esi]
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movdqa xmm5, xmm1
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movq qword ptr [edx], xmm1
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palignr xmm5, xmm5, 8
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punpckldq xmm3, xmm7
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movq qword ptr [edx + esi], xmm5
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lea edx, [edx + 2 * esi]
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movq qword ptr [edx], xmm3
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movdqa xmm7, xmm3
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palignr xmm7, xmm7, 8
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sub ecx, 8
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movq qword ptr [edx + esi], xmm7
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lea edx, [edx + 2 * esi]
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jg convertloop
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pop ebp
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pop esi
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pop edi
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ret
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}
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}
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__declspec(naked)
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void TransposeUVWx8_SSE2(const uint8* src, int src_stride,
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uint8* dst_a, int dst_stride_a,
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uint8* dst_b, int dst_stride_b,
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int w) {
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__asm {
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push ebx
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push esi
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push edi
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push ebp
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mov eax, [esp + 16 + 4] // src
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mov edi, [esp + 16 + 8] // src_stride
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mov edx, [esp + 16 + 12] // dst_a
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mov esi, [esp + 16 + 16] // dst_stride_a
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mov ebx, [esp + 16 + 20] // dst_b
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mov ebp, [esp + 16 + 24] // dst_stride_b
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mov ecx, esp
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sub esp, 4 + 16
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and esp, ~15
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mov [esp + 16], ecx
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mov ecx, [ecx + 16 + 28] // w
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align 4
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convertloop:
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// Read in the data from the source pointer.
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// First round of bit swap.
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movdqu xmm0, [eax]
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movdqu xmm1, [eax + edi]
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lea eax, [eax + 2 * edi]
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movdqa xmm7, xmm0 // use xmm7 as temp register.
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punpcklbw xmm0, xmm1
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punpckhbw xmm7, xmm1
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movdqa xmm1, xmm7
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movdqu xmm2, [eax]
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movdqu xmm3, [eax + edi]
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lea eax, [eax + 2 * edi]
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movdqa xmm7, xmm2
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punpcklbw xmm2, xmm3
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punpckhbw xmm7, xmm3
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movdqa xmm3, xmm7
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movdqu xmm4, [eax]
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movdqu xmm5, [eax + edi]
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lea eax, [eax + 2 * edi]
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movdqa xmm7, xmm4
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punpcklbw xmm4, xmm5
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punpckhbw xmm7, xmm5
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movdqa xmm5, xmm7
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movdqu xmm6, [eax]
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movdqu xmm7, [eax + edi]
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lea eax, [eax + 2 * edi]
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movdqu [esp], xmm5 // backup xmm5
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neg edi
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movdqa xmm5, xmm6 // use xmm5 as temp register.
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punpcklbw xmm6, xmm7
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punpckhbw xmm5, xmm7
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movdqa xmm7, xmm5
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lea eax, [eax + 8 * edi + 16]
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neg edi
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// Second round of bit swap.
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movdqa xmm5, xmm0
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punpcklwd xmm0, xmm2
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punpckhwd xmm5, xmm2
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movdqa xmm2, xmm5
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movdqa xmm5, xmm1
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punpcklwd xmm1, xmm3
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punpckhwd xmm5, xmm3
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movdqa xmm3, xmm5
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movdqa xmm5, xmm4
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punpcklwd xmm4, xmm6
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punpckhwd xmm5, xmm6
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movdqa xmm6, xmm5
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movdqu xmm5, [esp] // restore xmm5
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movdqu [esp], xmm6 // backup xmm6
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movdqa xmm6, xmm5 // use xmm6 as temp register.
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punpcklwd xmm5, xmm7
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punpckhwd xmm6, xmm7
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movdqa xmm7, xmm6
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// Third round of bit swap.
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// Write to the destination pointer.
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movdqa xmm6, xmm0
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punpckldq xmm0, xmm4
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punpckhdq xmm6, xmm4
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movdqa xmm4, xmm6
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movdqu xmm6, [esp] // restore xmm6
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movlpd qword ptr [edx], xmm0
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movhpd qword ptr [ebx], xmm0
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movlpd qword ptr [edx + esi], xmm4
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lea edx, [edx + 2 * esi]
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movhpd qword ptr [ebx + ebp], xmm4
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lea ebx, [ebx + 2 * ebp]
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movdqa xmm0, xmm2 // use xmm0 as the temp register.
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punpckldq xmm2, xmm6
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movlpd qword ptr [edx], xmm2
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movhpd qword ptr [ebx], xmm2
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punpckhdq xmm0, xmm6
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movlpd qword ptr [edx + esi], xmm0
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lea edx, [edx + 2 * esi]
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movhpd qword ptr [ebx + ebp], xmm0
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lea ebx, [ebx + 2 * ebp]
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movdqa xmm0, xmm1 // use xmm0 as the temp register.
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punpckldq xmm1, xmm5
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movlpd qword ptr [edx], xmm1
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movhpd qword ptr [ebx], xmm1
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punpckhdq xmm0, xmm5
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movlpd qword ptr [edx + esi], xmm0
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lea edx, [edx + 2 * esi]
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movhpd qword ptr [ebx + ebp], xmm0
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lea ebx, [ebx + 2 * ebp]
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movdqa xmm0, xmm3 // use xmm0 as the temp register.
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punpckldq xmm3, xmm7
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movlpd qword ptr [edx], xmm3
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movhpd qword ptr [ebx], xmm3
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punpckhdq xmm0, xmm7
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sub ecx, 8
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movlpd qword ptr [edx + esi], xmm0
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lea edx, [edx + 2 * esi]
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movhpd qword ptr [ebx + ebp], xmm0
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lea ebx, [ebx + 2 * ebp]
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jg convertloop
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mov esp, [esp + 16]
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pop ebp
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pop edi
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pop esi
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pop ebx
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ret
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}
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}
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#endif // !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86)
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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