| /* |
| * Copyright (c) 2011 The LibYuv 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 "libyuv/planar_functions.h" |
| #include "libyuv/rotate.h" |
| #include "rotate_priv.h" |
| |
| #include "libyuv/cpu_id.h" |
| |
| namespace libyuv { |
| |
| #if (defined(WIN32) || defined(__x86_64__) || defined(__i386__)) \ |
| && !defined(COVERAGE_ENABLED) && !defined(TARGET_IPHONE_SIMULATOR) |
| #if defined(_MSC_VER) |
| #define TALIGN16(t, var) static __declspec(align(16)) t _ ## var |
| #else |
| #define TALIGN16(t, var) t var __attribute__((aligned(16))) |
| #endif |
| // Shuffle table for reversing the bytes. |
| extern "C" TALIGN16(const uint8, kShuffleReverse[16]) = |
| { 15u, 14u, 13u, 12u, 11u, 10u, 9u, 8u, 7u, 6u, 5u, 4u, 3u, 2u, 1u, 0u }; |
| // Shuffle table for reversing the bytes of UV channels. |
| extern "C" TALIGN16(const uint8, kShuffleReverseUV[16]) = |
| { 14u, 12u, 10u, 8u, 6u, 4u, 2u, 0u, 15u, 13u, 11u, 9u, 7u, 5u, 3u, 1u }; |
| #endif |
| |
| typedef void (*reverse_uv_func)(const uint8*, uint8*, uint8*, int); |
| typedef void (*reverse_func)(const uint8*, uint8*, int); |
| typedef void (*rotate_uv_wx8_func)(const uint8*, int, |
| uint8*, int, |
| uint8*, int, int); |
| typedef void (*rotate_uv_wxh_func)(const uint8*, int, |
| uint8*, int, |
| uint8*, int, int, int); |
| typedef void (*rotate_wx8_func)(const uint8*, int, uint8*, int, int); |
| typedef void (*rotate_wxh_func)(const uint8*, int, uint8*, int, int, int); |
| |
| #ifdef __ARM_NEON__ |
| extern "C" { |
| void RestoreRegisters_NEON(unsigned long long *restore); |
| void SaveRegisters_NEON(unsigned long long *store); |
| #define HAS_REVERSE_LINE_NEON |
| void ReverseLine_NEON(const uint8* src, uint8* dst, int width); |
| #define HAS_REVERSE_LINE_UV_NEON |
| void ReverseLineUV_NEON(const uint8* src, |
| uint8* dst_a, uint8* dst_b, |
| int width); |
| #define HAS_TRANSPOSE_WX8_NEON |
| void TransposeWx8_NEON(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, int width); |
| #define HAS_TRANSPOSE_UVWX8_NEON |
| void TransposeUVWx8_NEON(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int width); |
| } // extern "C" |
| #endif |
| |
| #if defined(WIN32) && !defined(COVERAGE_ENABLED) |
| #define HAS_TRANSPOSE_WX8_SSSE3 |
| __declspec(naked) |
| static void TransposeWx8_SSSE3(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, int width) { |
| __asm { |
| push edi |
| push esi |
| push ebp |
| mov eax, [esp + 12 + 4] // src |
| mov edi, [esp + 12 + 8] // src_stride |
| mov edx, [esp + 12 + 12] // dst |
| mov esi, [esp + 12 + 16] // dst_stride |
| mov ecx, [esp + 12 + 20] // width |
| convertloop : |
| // Read in the data from the source pointer. |
| // First round of bit swap. |
| movq xmm0, qword ptr [eax] |
| lea ebp, [eax + 8] |
| movq xmm1, qword ptr [eax + edi] |
| lea eax, [eax + 2 * edi] |
| punpcklbw xmm0, xmm1 |
| movq xmm2, qword ptr [eax] |
| movdqa xmm1, xmm0 |
| palignr xmm1, xmm1, 8 |
| movq xmm3, qword ptr [eax + edi] |
| lea eax, [eax + 2 * edi] |
| punpcklbw xmm2, xmm3 |
| movdqa xmm3, xmm2 |
| movq xmm4, qword ptr [eax] |
| palignr xmm3, xmm3, 8 |
| movq xmm5, qword ptr [eax + edi] |
| punpcklbw xmm4, xmm5 |
| lea eax, [eax + 2 * edi] |
| movdqa xmm5, xmm4 |
| movq xmm6, qword ptr [eax] |
| palignr xmm5, xmm5, 8 |
| movq xmm7, qword ptr [eax + edi] |
| punpcklbw xmm6, xmm7 |
| mov eax, ebp |
| movdqa xmm7, xmm6 |
| palignr xmm7, xmm7, 8 |
| // Second round of bit swap. |
| punpcklwd xmm0, xmm2 |
| punpcklwd xmm1, xmm3 |
| movdqa xmm2, xmm0 |
| movdqa xmm3, xmm1 |
| palignr xmm2, xmm2, 8 |
| palignr xmm3, xmm3, 8 |
| punpcklwd xmm4, xmm6 |
| punpcklwd xmm5, xmm7 |
| movdqa xmm6, xmm4 |
| movdqa xmm7, xmm5 |
| palignr xmm6, xmm6, 8 |
| palignr xmm7, xmm7, 8 |
| // Third round of bit swap. |
| // Write to the destination pointer. |
| punpckldq xmm0, xmm4 |
| movq qword ptr [edx], xmm0 |
| movdqa xmm4, xmm0 |
| palignr xmm4, xmm4, 8 |
| movq qword ptr [edx + esi], xmm4 |
| lea edx, [edx + 2 * esi] |
| punpckldq xmm2, xmm6 |
| movdqa xmm6, xmm2 |
| palignr xmm6, xmm6, 8 |
| movq qword ptr [edx], xmm2 |
| punpckldq xmm1, xmm5 |
| movq qword ptr [edx + esi], xmm6 |
| lea edx, [edx + 2 * esi] |
| movdqa xmm5, xmm1 |
| movq qword ptr [edx], xmm1 |
| palignr xmm5, xmm5, 8 |
| punpckldq xmm3, xmm7 |
| movq qword ptr [edx + esi], xmm5 |
| lea edx, [edx + 2 * esi] |
| movq qword ptr [edx], xmm3 |
| movdqa xmm7, xmm3 |
| palignr xmm7, xmm7, 8 |
| movq qword ptr [edx + esi], xmm7 |
| lea edx, [edx + 2 * esi] |
| sub ecx, 8 |
| ja convertloop |
| |
| pop ebp |
| pop esi |
| pop edi |
| ret |
| } |
| } |
| |
| #define HAS_TRANSPOSE_UVWX8_SSE2 |
| __declspec(naked) |
| static void TransposeUVWx8_SSE2(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int w) { |
| __asm { |
| push ebx |
| push esi |
| push edi |
| push ebp |
| mov eax, [esp + 16 + 4] // src |
| mov edi, [esp + 16 + 8] // src_stride |
| mov edx, [esp + 16 + 12] // dst_a |
| mov esi, [esp + 16 + 16] // dst_stride_a |
| mov ebx, [esp + 16 + 20] // dst_b |
| mov ebp, [esp + 16 + 24] // dst_stride_b |
| mov ecx, esp |
| sub esp, 4 + 16 |
| and esp, ~15 |
| mov [esp + 16], ecx |
| mov ecx, [ecx + 16 + 28] // w |
| convertloop : |
| // Read in the data from the source pointer. |
| // First round of bit swap. |
| movdqa xmm0, [eax] |
| movdqa xmm1, [eax + edi] |
| lea eax, [eax + 2 * edi] |
| movdqa xmm7, xmm0 // use xmm7 as temp register. |
| punpcklbw xmm0, xmm1 |
| punpckhbw xmm7, xmm1 |
| movdqa xmm1, xmm7 |
| movdqa xmm2, [eax] |
| movdqa xmm3, [eax + edi] |
| lea eax, [eax + 2 * edi] |
| movdqa xmm7, xmm2 |
| punpcklbw xmm2, xmm3 |
| punpckhbw xmm7, xmm3 |
| movdqa xmm3, xmm7 |
| movdqa xmm4, [eax] |
| movdqa xmm5, [eax + edi] |
| lea eax, [eax + 2 * edi] |
| movdqa xmm7, xmm4 |
| punpcklbw xmm4, xmm5 |
| punpckhbw xmm7, xmm5 |
| movdqa xmm5, xmm7 |
| movdqa xmm6, [eax] |
| movdqa xmm7, [eax + edi] |
| lea eax, [eax + 2 * edi] |
| movdqa [esp], xmm5 // backup xmm5 |
| neg edi |
| movdqa xmm5, xmm6 // use xmm5 as temp register. |
| punpcklbw xmm6, xmm7 |
| punpckhbw xmm5, xmm7 |
| movdqa xmm7, xmm5 |
| lea eax, [eax + 8 * edi + 16] |
| neg edi |
| // Second round of bit swap. |
| movdqa xmm5, xmm0 |
| punpcklwd xmm0, xmm2 |
| punpckhwd xmm5, xmm2 |
| movdqa xmm2, xmm5 |
| movdqa xmm5, xmm1 |
| punpcklwd xmm1, xmm3 |
| punpckhwd xmm5, xmm3 |
| movdqa xmm3, xmm5 |
| movdqa xmm5, xmm4 |
| punpcklwd xmm4, xmm6 |
| punpckhwd xmm5, xmm6 |
| movdqa xmm6, xmm5 |
| movdqa xmm5, [esp] // restore xmm5 |
| movdqa [esp], xmm6 // backup xmm6 |
| movdqa xmm6, xmm5 // use xmm6 as temp register. |
| punpcklwd xmm5, xmm7 |
| punpckhwd xmm6, xmm7 |
| movdqa xmm7, xmm6 |
| // Third round of bit swap. |
| // Write to the destination pointer. |
| movdqa xmm6, xmm0 |
| punpckldq xmm0, xmm4 |
| punpckhdq xmm6, xmm4 |
| movdqa xmm4, xmm6 |
| movdqa xmm6, [esp] // restore xmm6 |
| movlpd qword ptr [edx], xmm0 |
| movhpd qword ptr [ebx], xmm0 |
| movlpd qword ptr [edx + esi], xmm4 |
| lea edx, [edx + 2 * esi] |
| movhpd qword ptr [ebx + ebp], xmm4 |
| lea ebx, [ebx + 2 * ebp] |
| movdqa xmm0, xmm2 // use xmm0 as the temp register. |
| punpckldq xmm2, xmm6 |
| movlpd qword ptr [edx], xmm2 |
| movhpd qword ptr [ebx], xmm2 |
| punpckhdq xmm0, xmm6 |
| movlpd qword ptr [edx + esi], xmm0 |
| lea edx, [edx + 2 * esi] |
| movhpd qword ptr [ebx + ebp], xmm0 |
| lea ebx, [ebx + 2 * ebp] |
| movdqa xmm0, xmm1 // use xmm0 as the temp register. |
| punpckldq xmm1, xmm5 |
| movlpd qword ptr [edx], xmm1 |
| movhpd qword ptr [ebx], xmm1 |
| punpckhdq xmm0, xmm5 |
| movlpd qword ptr [edx + esi], xmm0 |
| lea edx, [edx + 2 * esi] |
| movhpd qword ptr [ebx + ebp], xmm0 |
| lea ebx, [ebx + 2 * ebp] |
| movdqa xmm0, xmm3 // use xmm0 as the temp register. |
| punpckldq xmm3, xmm7 |
| movlpd qword ptr [edx], xmm3 |
| movhpd qword ptr [ebx], xmm3 |
| punpckhdq xmm0, xmm7 |
| movlpd qword ptr [edx + esi], xmm0 |
| lea edx, [edx + 2 * esi] |
| movhpd qword ptr [ebx + ebp], xmm0 |
| lea ebx, [ebx + 2 * ebp] |
| sub ecx, 8 |
| ja convertloop |
| |
| mov esp, [esp + 16] |
| pop ebp |
| pop edi |
| pop esi |
| pop ebx |
| ret |
| } |
| } |
| #elif (defined(__i386__) || defined(__x86_64__)) && \ |
| !defined(COVERAGE_ENABLED) && !defined(TARGET_IPHONE_SIMULATOR) |
| #define HAS_TRANSPOSE_WX8_SSSE3 |
| static void TransposeWx8_SSSE3(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, int width) { |
| asm volatile( |
| "1:" |
| // Read in the data from the source pointer. |
| // First round of bit swap. |
| "movq (%0),%%xmm0\n" |
| "movq (%0,%3),%%xmm1\n" |
| "lea (%0,%3,2),%0\n" |
| "punpcklbw %%xmm1,%%xmm0\n" |
| "movq (%0),%%xmm2\n" |
| "movdqa %%xmm0,%%xmm1\n" |
| "palignr $0x8,%%xmm1,%%xmm1\n" |
| "movq (%0,%3),%%xmm3\n" |
| "lea (%0,%3,2),%0\n" |
| "punpcklbw %%xmm3,%%xmm2\n" |
| "movdqa %%xmm2,%%xmm3\n" |
| "movq (%0),%%xmm4\n" |
| "palignr $0x8,%%xmm3,%%xmm3\n" |
| "movq (%0,%3),%%xmm5\n" |
| "lea (%0,%3,2),%0\n" |
| "punpcklbw %%xmm5,%%xmm4\n" |
| "movdqa %%xmm4,%%xmm5\n" |
| "movq (%0),%%xmm6\n" |
| "palignr $0x8,%%xmm5,%%xmm5\n" |
| "movq (%0,%3),%%xmm7\n" |
| "lea (%0,%3,2),%0\n" |
| "punpcklbw %%xmm7,%%xmm6\n" |
| "neg %3\n" |
| "movdqa %%xmm6,%%xmm7\n" |
| "lea 0x8(%0,%3,8),%0\n" |
| "palignr $0x8,%%xmm7,%%xmm7\n" |
| "neg %3\n" |
| // Second round of bit swap. |
| "punpcklwd %%xmm2,%%xmm0\n" |
| "punpcklwd %%xmm3,%%xmm1\n" |
| "movdqa %%xmm0,%%xmm2\n" |
| "movdqa %%xmm1,%%xmm3\n" |
| "palignr $0x8,%%xmm2,%%xmm2\n" |
| "palignr $0x8,%%xmm3,%%xmm3\n" |
| "punpcklwd %%xmm6,%%xmm4\n" |
| "punpcklwd %%xmm7,%%xmm5\n" |
| "movdqa %%xmm4,%%xmm6\n" |
| "movdqa %%xmm5,%%xmm7\n" |
| "palignr $0x8,%%xmm6,%%xmm6\n" |
| "palignr $0x8,%%xmm7,%%xmm7\n" |
| // Third round of bit swap. |
| // Write to the destination pointer. |
| "punpckldq %%xmm4,%%xmm0\n" |
| "movq %%xmm0,(%1)\n" |
| "movdqa %%xmm0,%%xmm4\n" |
| "palignr $0x8,%%xmm4,%%xmm4\n" |
| "movq %%xmm4,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm6,%%xmm2\n" |
| "movdqa %%xmm2,%%xmm6\n" |
| "movq %%xmm2,(%1)\n" |
| "palignr $0x8,%%xmm6,%%xmm6\n" |
| "punpckldq %%xmm5,%%xmm1\n" |
| "movq %%xmm6,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "movdqa %%xmm1,%%xmm5\n" |
| "movq %%xmm1,(%1)\n" |
| "palignr $0x8,%%xmm5,%%xmm5\n" |
| "movq %%xmm5,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm7,%%xmm3\n" |
| "movq %%xmm3,(%1)\n" |
| "movdqa %%xmm3,%%xmm7\n" |
| "palignr $0x8,%%xmm7,%%xmm7\n" |
| "movq %%xmm7,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "sub $0x8,%2\n" |
| "ja 1b\n" |
| : "+r"(src), // %0 |
| "+r"(dst), // %1 |
| "+r"(width) // %2 |
| : "r"(static_cast<intptr_t>(src_stride)), // %3 |
| "r"(static_cast<intptr_t>(dst_stride)) // %4 |
| : "memory" |
| ); |
| } |
| |
| #if defined (__i386__) |
| extern "C" void TransposeUVWx8_SSE2(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int w); |
| asm( |
| ".text\n" |
| #if defined(OSX) |
| ".globl _TransposeUVWx8_SSE2\n" |
| "_TransposeUVWx8_SSE2:\n" |
| #else |
| ".global TransposeUVWx8_SSE2\n" |
| "TransposeUVWx8_SSE2:\n" |
| #endif |
| "push %ebx\n" |
| "push %esi\n" |
| "push %edi\n" |
| "push %ebp\n" |
| "mov 0x14(%esp),%eax\n" |
| "mov 0x18(%esp),%edi\n" |
| "mov 0x1c(%esp),%edx\n" |
| "mov 0x20(%esp),%esi\n" |
| "mov 0x24(%esp),%ebx\n" |
| "mov 0x28(%esp),%ebp\n" |
| "mov %esp,%ecx\n" |
| "sub $0x14,%esp\n" |
| "and $0xfffffff0,%esp\n" |
| "mov %ecx,0x10(%esp)\n" |
| "mov 0x2c(%ecx),%ecx\n" |
| |
| "1:" |
| "movdqa (%eax),%xmm0\n" |
| "movdqa (%eax,%edi,1),%xmm1\n" |
| "lea (%eax,%edi,2),%eax\n" |
| "movdqa %xmm0,%xmm7\n" |
| "punpcklbw %xmm1,%xmm0\n" |
| "punpckhbw %xmm1,%xmm7\n" |
| "movdqa %xmm7,%xmm1\n" |
| "movdqa (%eax),%xmm2\n" |
| "movdqa (%eax,%edi,1),%xmm3\n" |
| "lea (%eax,%edi,2),%eax\n" |
| "movdqa %xmm2,%xmm7\n" |
| "punpcklbw %xmm3,%xmm2\n" |
| "punpckhbw %xmm3,%xmm7\n" |
| "movdqa %xmm7,%xmm3\n" |
| "movdqa (%eax),%xmm4\n" |
| "movdqa (%eax,%edi,1),%xmm5\n" |
| "lea (%eax,%edi,2),%eax\n" |
| "movdqa %xmm4,%xmm7\n" |
| "punpcklbw %xmm5,%xmm4\n" |
| "punpckhbw %xmm5,%xmm7\n" |
| "movdqa %xmm7,%xmm5\n" |
| "movdqa (%eax),%xmm6\n" |
| "movdqa (%eax,%edi,1),%xmm7\n" |
| "lea (%eax,%edi,2),%eax\n" |
| "movdqa %xmm5,(%esp)\n" |
| "neg %edi\n" |
| "movdqa %xmm6,%xmm5\n" |
| "punpcklbw %xmm7,%xmm6\n" |
| "punpckhbw %xmm7,%xmm5\n" |
| "movdqa %xmm5,%xmm7\n" |
| "lea 0x10(%eax,%edi,8),%eax\n" |
| "neg %edi\n" |
| "movdqa %xmm0,%xmm5\n" |
| "punpcklwd %xmm2,%xmm0\n" |
| "punpckhwd %xmm2,%xmm5\n" |
| "movdqa %xmm5,%xmm2\n" |
| "movdqa %xmm1,%xmm5\n" |
| "punpcklwd %xmm3,%xmm1\n" |
| "punpckhwd %xmm3,%xmm5\n" |
| "movdqa %xmm5,%xmm3\n" |
| "movdqa %xmm4,%xmm5\n" |
| "punpcklwd %xmm6,%xmm4\n" |
| "punpckhwd %xmm6,%xmm5\n" |
| "movdqa %xmm5,%xmm6\n" |
| "movdqa (%esp),%xmm5\n" |
| "movdqa %xmm6,(%esp)\n" |
| "movdqa %xmm5,%xmm6\n" |
| "punpcklwd %xmm7,%xmm5\n" |
| "punpckhwd %xmm7,%xmm6\n" |
| "movdqa %xmm6,%xmm7\n" |
| "movdqa %xmm0,%xmm6\n" |
| "punpckldq %xmm4,%xmm0\n" |
| "punpckhdq %xmm4,%xmm6\n" |
| "movdqa %xmm6,%xmm4\n" |
| "movdqa (%esp),%xmm6\n" |
| "movlpd %xmm0,(%edx)\n" |
| "movhpd %xmm0,(%ebx)\n" |
| "movlpd %xmm4,(%edx,%esi,1)\n" |
| "lea (%edx,%esi,2),%edx\n" |
| "movhpd %xmm4,(%ebx,%ebp,1)\n" |
| "lea (%ebx,%ebp,2),%ebx\n" |
| "movdqa %xmm2,%xmm0\n" |
| "punpckldq %xmm6,%xmm2\n" |
| "movlpd %xmm2,(%edx)\n" |
| "movhpd %xmm2,(%ebx)\n" |
| "punpckhdq %xmm6,%xmm0\n" |
| "movlpd %xmm0,(%edx,%esi,1)\n" |
| "lea (%edx,%esi,2),%edx\n" |
| "movhpd %xmm0,(%ebx,%ebp,1)\n" |
| "lea (%ebx,%ebp,2),%ebx\n" |
| "movdqa %xmm1,%xmm0\n" |
| "punpckldq %xmm5,%xmm1\n" |
| "movlpd %xmm1,(%edx)\n" |
| "movhpd %xmm1,(%ebx)\n" |
| "punpckhdq %xmm5,%xmm0\n" |
| "movlpd %xmm0,(%edx,%esi,1)\n" |
| "lea (%edx,%esi,2),%edx\n" |
| "movhpd %xmm0,(%ebx,%ebp,1)\n" |
| "lea (%ebx,%ebp,2),%ebx\n" |
| "movdqa %xmm3,%xmm0\n" |
| "punpckldq %xmm7,%xmm3\n" |
| "movlpd %xmm3,(%edx)\n" |
| "movhpd %xmm3,(%ebx)\n" |
| "punpckhdq %xmm7,%xmm0\n" |
| "movlpd %xmm0,(%edx,%esi,1)\n" |
| "lea (%edx,%esi,2),%edx\n" |
| "movhpd %xmm0,(%ebx,%ebp,1)\n" |
| "lea (%ebx,%ebp,2),%ebx\n" |
| "sub $0x8,%ecx\n" |
| "ja 1b\n" |
| "mov 0x10(%esp),%esp\n" |
| "pop %ebp\n" |
| "pop %edi\n" |
| "pop %esi\n" |
| "pop %ebx\n" |
| "ret\n" |
| ); |
| |
| #if defined (__x86_64__) |
| // 64 bit version has enough registers to do 16x8 to 8x16 at a time. |
| #define HAS_TRANSPOSE_WX8_FAST_SSSE3 |
| static void TransposeWx8_FAST_SSSE3(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, int width) { |
| asm volatile( |
| "1:" |
| // Read in the data from the source pointer. |
| // First round of bit swap. |
| "movdqa (%0),%%xmm0\n" |
| "movdqa (%0,%3),%%xmm1\n" |
| "lea (%0,%3,2),%0\n" |
| "movdqa %%xmm0,%%xmm8\n" |
| "punpcklbw %%xmm1,%%xmm0\n" |
| "punpckhbw %%xmm1,%%xmm8\n" |
| "movdqa (%0),%%xmm2\n" |
| "movdqa %%xmm0,%%xmm1\n" |
| "movdqa %%xmm8,%%xmm9\n" |
| "palignr $0x8,%%xmm1,%%xmm1\n" |
| "palignr $0x8,%%xmm9,%%xmm9\n" |
| "movdqa (%0,%3),%%xmm3\n" |
| "lea (%0,%3,2),%0\n" |
| "movdqa %%xmm2,%%xmm10\n" |
| "punpcklbw %%xmm3,%%xmm2\n" |
| "punpckhbw %%xmm3,%%xmm10\n" |
| "movdqa %%xmm2,%%xmm3\n" |
| "movdqa %%xmm10,%%xmm11\n" |
| "movdqa (%0),%%xmm4\n" |
| "palignr $0x8,%%xmm3,%%xmm3\n" |
| "palignr $0x8,%%xmm11,%%xmm11\n" |
| "movdqa (%0,%3),%%xmm5\n" |
| "lea (%0,%3,2),%0\n" |
| "movdqa %%xmm4,%%xmm12\n" |
| "punpcklbw %%xmm5,%%xmm4\n" |
| "punpckhbw %%xmm5,%%xmm12\n" |
| "movdqa %%xmm4,%%xmm5\n" |
| "movdqa %%xmm12,%%xmm13\n" |
| "movdqa (%0),%%xmm6\n" |
| "palignr $0x8,%%xmm5,%%xmm5\n" |
| "palignr $0x8,%%xmm13,%%xmm13\n" |
| "movdqa (%0,%3),%%xmm7\n" |
| "lea (%0,%3,2),%0\n" |
| "movdqa %%xmm6,%%xmm14\n" |
| "punpcklbw %%xmm7,%%xmm6\n" |
| "punpckhbw %%xmm7,%%xmm14\n" |
| "neg %3\n" |
| "movdqa %%xmm6,%%xmm7\n" |
| "movdqa %%xmm14,%%xmm15\n" |
| "lea 0x10(%0,%3,8),%0\n" |
| "palignr $0x8,%%xmm7,%%xmm7\n" |
| "palignr $0x8,%%xmm15,%%xmm15\n" |
| "neg %3\n" |
| // Second round of bit swap. |
| "punpcklwd %%xmm2,%%xmm0\n" |
| "punpcklwd %%xmm3,%%xmm1\n" |
| "movdqa %%xmm0,%%xmm2\n" |
| "movdqa %%xmm1,%%xmm3\n" |
| "palignr $0x8,%%xmm2,%%xmm2\n" |
| "palignr $0x8,%%xmm3,%%xmm3\n" |
| "punpcklwd %%xmm6,%%xmm4\n" |
| "punpcklwd %%xmm7,%%xmm5\n" |
| "movdqa %%xmm4,%%xmm6\n" |
| "movdqa %%xmm5,%%xmm7\n" |
| "palignr $0x8,%%xmm6,%%xmm6\n" |
| "palignr $0x8,%%xmm7,%%xmm7\n" |
| "punpcklwd %%xmm10,%%xmm8\n" |
| "punpcklwd %%xmm11,%%xmm9\n" |
| "movdqa %%xmm8,%%xmm10\n" |
| "movdqa %%xmm9,%%xmm11\n" |
| "palignr $0x8,%%xmm10,%%xmm10\n" |
| "palignr $0x8,%%xmm11,%%xmm11\n" |
| "punpcklwd %%xmm14,%%xmm12\n" |
| "punpcklwd %%xmm15,%%xmm13\n" |
| "movdqa %%xmm12,%%xmm14\n" |
| "movdqa %%xmm13,%%xmm15\n" |
| "palignr $0x8,%%xmm14,%%xmm14\n" |
| "palignr $0x8,%%xmm15,%%xmm15\n" |
| // Third round of bit swap. |
| // Write to the destination pointer. |
| "punpckldq %%xmm4,%%xmm0\n" |
| "movq %%xmm0,(%1)\n" |
| "movdqa %%xmm0,%%xmm4\n" |
| "palignr $0x8,%%xmm4,%%xmm4\n" |
| "movq %%xmm4,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm6,%%xmm2\n" |
| "movdqa %%xmm2,%%xmm6\n" |
| "movq %%xmm2,(%1)\n" |
| "palignr $0x8,%%xmm6,%%xmm6\n" |
| "punpckldq %%xmm5,%%xmm1\n" |
| "movq %%xmm6,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "movdqa %%xmm1,%%xmm5\n" |
| "movq %%xmm1,(%1)\n" |
| "palignr $0x8,%%xmm5,%%xmm5\n" |
| "movq %%xmm5,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm7,%%xmm3\n" |
| "movq %%xmm3,(%1)\n" |
| "movdqa %%xmm3,%%xmm7\n" |
| "palignr $0x8,%%xmm7,%%xmm7\n" |
| "movq %%xmm7,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm12,%%xmm8\n" |
| "movq %%xmm8,(%1)\n" |
| "movdqa %%xmm8,%%xmm12\n" |
| "palignr $0x8,%%xmm12,%%xmm12\n" |
| "movq %%xmm12,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm14,%%xmm10\n" |
| "movdqa %%xmm10,%%xmm14\n" |
| "movq %%xmm10,(%1)\n" |
| "palignr $0x8,%%xmm14,%%xmm14\n" |
| "punpckldq %%xmm13,%%xmm9\n" |
| "movq %%xmm14,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "movdqa %%xmm9,%%xmm13\n" |
| "movq %%xmm9,(%1)\n" |
| "palignr $0x8,%%xmm13,%%xmm13\n" |
| "movq %%xmm13,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "punpckldq %%xmm15,%%xmm11\n" |
| "movq %%xmm11,(%1)\n" |
| "movdqa %%xmm11,%%xmm15\n" |
| "palignr $0x8,%%xmm15,%%xmm15\n" |
| "movq %%xmm15,(%1,%4)\n" |
| "lea (%1,%4,2),%1\n" |
| "sub $0x10,%2\n" |
| "ja 1b\n" |
| : "+r"(src), // %0 |
| "+r"(dst), // %1 |
| "+r"(width) // %2 |
| : "r"(static_cast<intptr_t>(src_stride)), // %3 |
| "r"(static_cast<intptr_t>(dst_stride)) // %4 |
| : "memory" |
| ); |
| } |
| |
| #define HAS_TRANSPOSE_UVWX8_SSE2 |
| static void TransposeUVWx8_SSE2(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int w) { |
| asm volatile( |
| "1:" |
| // Read in the data from the source pointer. |
| // First round of bit swap. |
| "movdqa (%0),%%xmm0\n" |
| "movdqa (%0,%4),%%xmm1\n" |
| "lea (%0,%4,2),%0\n" |
| "movdqa %%xmm0,%%xmm8\n" |
| "punpcklbw %%xmm1,%%xmm0\n" |
| "punpckhbw %%xmm1,%%xmm8\n" |
| "movdqa %%xmm8,%%xmm1\n" |
| "movdqa (%0),%%xmm2\n" |
| "movdqa (%0,%4),%%xmm3\n" |
| "lea (%0,%4,2),%0\n" |
| "movdqa %%xmm2,%%xmm8\n" |
| "punpcklbw %%xmm3,%%xmm2\n" |
| "punpckhbw %%xmm3,%%xmm8\n" |
| "movdqa %%xmm8,%%xmm3\n" |
| "movdqa (%0),%%xmm4\n" |
| "movdqa (%0,%4),%%xmm5\n" |
| "lea (%0,%4,2),%0\n" |
| "movdqa %%xmm4,%%xmm8\n" |
| "punpcklbw %%xmm5,%%xmm4\n" |
| "punpckhbw %%xmm5,%%xmm8\n" |
| "movdqa %%xmm8,%%xmm5\n" |
| "movdqa (%0),%%xmm6\n" |
| "movdqa (%0,%4),%%xmm7\n" |
| "lea (%0,%4,2),%0\n" |
| "movdqa %%xmm6,%%xmm8\n" |
| "punpcklbw %%xmm7,%%xmm6\n" |
| "neg %4\n" |
| "lea 0x10(%0,%4,8),%0\n" |
| "punpckhbw %%xmm7,%%xmm8\n" |
| "movdqa %%xmm8,%%xmm7\n" |
| "neg %4\n" |
| // Second round of bit swap. |
| "movdqa %%xmm0,%%xmm8\n" |
| "movdqa %%xmm1,%%xmm9\n" |
| "punpckhwd %%xmm2,%%xmm8\n" |
| "punpckhwd %%xmm3,%%xmm9\n" |
| "punpcklwd %%xmm2,%%xmm0\n" |
| "punpcklwd %%xmm3,%%xmm1\n" |
| "movdqa %%xmm8,%%xmm2\n" |
| "movdqa %%xmm9,%%xmm3\n" |
| "movdqa %%xmm4,%%xmm8\n" |
| "movdqa %%xmm5,%%xmm9\n" |
| "punpckhwd %%xmm6,%%xmm8\n" |
| "punpckhwd %%xmm7,%%xmm9\n" |
| "punpcklwd %%xmm6,%%xmm4\n" |
| "punpcklwd %%xmm7,%%xmm5\n" |
| "movdqa %%xmm8,%%xmm6\n" |
| "movdqa %%xmm9,%%xmm7\n" |
| // Third round of bit swap. |
| // Write to the destination pointer. |
| "movdqa %%xmm0,%%xmm8\n" |
| "punpckldq %%xmm4,%%xmm0\n" |
| "movlpd %%xmm0,(%1)\n" // Write back U channel |
| "movhpd %%xmm0,(%2)\n" // Write back V channel |
| "punpckhdq %%xmm4,%%xmm8\n" |
| "movlpd %%xmm8,(%1,%5)\n" |
| "lea (%1,%5,2),%1\n" |
| "movhpd %%xmm8,(%2,%6)\n" |
| "lea (%2,%6,2),%2\n" |
| "movdqa %%xmm2,%%xmm8\n" |
| "punpckldq %%xmm6,%%xmm2\n" |
| "movlpd %%xmm2,(%1)\n" |
| "movhpd %%xmm2,(%2)\n" |
| "punpckhdq %%xmm6,%%xmm8\n" |
| "movlpd %%xmm8,(%1,%5)\n" |
| "lea (%1,%5,2),%1\n" |
| "movhpd %%xmm8,(%2,%6)\n" |
| "lea (%2,%6,2),%2\n" |
| "movdqa %%xmm1,%%xmm8\n" |
| "punpckldq %%xmm5,%%xmm1\n" |
| "movlpd %%xmm1,(%1)\n" |
| "movhpd %%xmm1,(%2)\n" |
| "punpckhdq %%xmm5,%%xmm8\n" |
| "movlpd %%xmm8,(%1,%5)\n" |
| "lea (%1,%5,2),%1\n" |
| "movhpd %%xmm8,(%2,%6)\n" |
| "lea (%2,%6,2),%2\n" |
| "movdqa %%xmm3,%%xmm8\n" |
| "punpckldq %%xmm7,%%xmm3\n" |
| "movlpd %%xmm3,(%1)\n" |
| "movhpd %%xmm3,(%2)\n" |
| "punpckhdq %%xmm7,%%xmm8\n" |
| "movlpd %%xmm8,(%1,%5)\n" |
| "lea (%1,%5,2),%1\n" |
| "movhpd %%xmm8,(%2,%6)\n" |
| "lea (%2,%6,2),%2\n" |
| "sub $0x8,%3\n" |
| "ja 1b\n" |
| : "+r"(src), // %0 |
| "+r"(dst_a), // %1 |
| "+r"(dst_b), // %2 |
| "+r"(w) // %3 |
| : "r"(static_cast<intptr_t>(src_stride)), // %4 |
| "r"(static_cast<intptr_t>(dst_stride_a)), // %5 |
| "r"(static_cast<intptr_t>(dst_stride_b)) // %6 |
| : "memory" |
| ); |
| } |
| #endif |
| #endif |
| |
| static void TransposeWx8_C(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int w) { |
| int i; |
| for (i = 0; i < w; ++i) { |
| dst[0] = src[0 * src_stride]; |
| dst[1] = src[1 * src_stride]; |
| dst[2] = src[2 * src_stride]; |
| dst[3] = src[3 * src_stride]; |
| dst[4] = src[4 * src_stride]; |
| dst[5] = src[5 * src_stride]; |
| dst[6] = src[6 * src_stride]; |
| dst[7] = src[7 * src_stride]; |
| ++src; |
| dst += dst_stride; |
| } |
| } |
| |
| static void TransposeWxH_C(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height) { |
| int i, j; |
| for (i = 0; i < width; ++i) |
| for (j = 0; j < height; ++j) |
| dst[i * dst_stride + j] = src[j * src_stride + i]; |
| } |
| |
| void TransposePlane(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height) { |
| int i = height; |
| rotate_wx8_func TransposeWx8; |
| rotate_wxh_func TransposeWxH; |
| |
| #if defined(HAS_TRANSPOSE_WX8_NEON) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasNEON) && |
| (width % 8 == 0) && |
| IS_ALIGNED(src, 8) && (src_stride % 8 == 0) && |
| IS_ALIGNED(dst, 8) && (dst_stride % 8 == 0)) { |
| TransposeWx8 = TransposeWx8_NEON; |
| TransposeWxH = TransposeWxH_C; |
| } else |
| #endif |
| #if defined(HAS_TRANSPOSE_WX8_FAST_SSSE3) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasSSSE3) && |
| (width % 16 == 0) && |
| IS_ALIGNED(src, 16) && (src_stride % 16 == 0) && |
| IS_ALIGNED(dst, 8) && (dst_stride % 8 == 0)) { |
| TransposeWx8 = TransposeWx8_FAST_SSSE3; |
| TransposeWxH = TransposeWxH_C; |
| } else |
| #endif |
| #if defined(HAS_TRANSPOSE_WX8_SSSE3) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasSSSE3) && |
| (width % 8 == 0) && |
| IS_ALIGNED(src, 8) && (src_stride % 8 == 0) && |
| IS_ALIGNED(dst, 8) && (dst_stride % 8 == 0)) { |
| TransposeWx8 = TransposeWx8_SSSE3; |
| TransposeWxH = TransposeWxH_C; |
| } else |
| #endif |
| { |
| TransposeWx8 = TransposeWx8_C; |
| TransposeWxH = TransposeWxH_C; |
| } |
| |
| // work across the source in 8x8 tiles |
| while (i >= 8) { |
| TransposeWx8(src, src_stride, dst, dst_stride, width); |
| |
| src += 8 * src_stride; // go down 8 rows |
| dst += 8; // move over 8 columns |
| i -= 8; |
| } |
| |
| TransposeWxH(src, src_stride, dst, dst_stride, width, i); |
| } |
| |
| void RotatePlane90(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height) { |
| // Rotate by 90 is a transpose with the source read |
| // from bottom to top. So set the source pointer to the end |
| // of the buffer and flip the sign of the source stride. |
| src += src_stride * (height - 1); |
| src_stride = -src_stride; |
| |
| TransposePlane(src, src_stride, dst, dst_stride, width, height); |
| } |
| |
| void RotatePlane270(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height) { |
| // Rotate by 270 is a transpose with the destination written |
| // from bottom to top. So set the destination pointer to the end |
| // of the buffer and flip the sign of the destination stride. |
| dst += dst_stride * (width - 1); |
| dst_stride = -dst_stride; |
| |
| TransposePlane(src, src_stride, dst, dst_stride, width, height); |
| } |
| |
| static void ReverseLine_C(const uint8* src, uint8* dst, int width) { |
| int i; |
| src += width - 1; |
| for (i = 0; i < width; ++i) { |
| dst[i] = src[0]; |
| --src; |
| } |
| } |
| |
| #if defined(WIN32) && !defined(COVERAGE_ENABLED) |
| #define HAS_REVERSE_LINE_SSSE3 |
| __declspec(naked) |
| static void ReverseLine_SSSE3(const uint8* src, uint8* dst, int width) { |
| __asm { |
| mov eax, [esp + 4] // src |
| mov edx, [esp + 8] // dst |
| mov ecx, [esp + 12] // width |
| movdqa xmm7, _kShuffleReverse |
| lea eax, [eax + ecx - 16] |
| convertloop : |
| movdqa xmm0, [eax] |
| lea eax, [eax - 16] |
| pshufb xmm0, xmm7 |
| movdqa [edx], xmm0 |
| lea edx, [edx + 16] |
| sub ecx, 16 |
| ja convertloop |
| ret |
| } |
| } |
| |
| #elif (defined(__i386__) || defined(__x86_64__)) && \ |
| !defined(COVERAGE_ENABLED) && !defined(TARGET_IPHONE_SIMULATOR) |
| #define HAS_REVERSE_LINE_SSSE3 |
| static void ReverseLine_SSSE3(const uint8* src, uint8* dst, int width) { |
| intptr_t temp_width = static_cast<intptr_t>(width); |
| asm volatile( |
| "movdqa (%3),%%xmm7\n" |
| "lea -0x10(%0,%2,1),%0\n" |
| "1:" |
| "movdqa (%0),%%xmm0\n" |
| "lea -0x10(%0),%0\n" |
| "pshufb %%xmm7,%%xmm0\n" |
| "movdqa %%xmm0,(%1)\n" |
| "lea 0x10(%1),%1\n" |
| "sub $0x10,%2\n" |
| "ja 1b\n" |
| : "+r"(src), // %0 |
| "+r"(dst), // %1 |
| "+r"(temp_width) // %2 |
| : "r"(kShuffleReverse) // %3 |
| : "memory" |
| ); |
| } |
| #endif |
| |
| void RotatePlane180(const uint8* src, int src_stride, |
| uint8* dst, int dst_stride, |
| int width, int height) { |
| int i; |
| reverse_func ReverseLine; |
| |
| #if defined(HAS_REVERSE_LINE_NEON) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasNEON) && |
| (width % 16 == 0) && |
| IS_ALIGNED(src, 16) && (src_stride % 16 == 0) && |
| IS_ALIGNED(dst, 16) && (dst_stride % 16 == 0)) { |
| ReverseLine = ReverseLine_NEON; |
| } else |
| #endif |
| #if defined(HAS_REVERSE_LINE_SSSE3) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasSSSE3) && |
| (width % 16 == 0) && |
| IS_ALIGNED(src, 16) && (src_stride % 16 == 0) && |
| IS_ALIGNED(dst, 16) && (dst_stride % 16 == 0)) { |
| ReverseLine = ReverseLine_SSSE3; |
| } else |
| #endif |
| { |
| ReverseLine = ReverseLine_C; |
| } |
| // Rotate by 180 is a mirror and vertical flip |
| src += src_stride * (height - 1); |
| |
| for (i = 0; i < height; ++i) { |
| ReverseLine(src, dst, width); |
| src -= src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| static void TransposeUVWx8_C(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int w) { |
| int i; |
| for (i = 0; i < w; ++i) { |
| dst_a[0] = src[0 * src_stride + 0]; |
| dst_b[0] = src[0 * src_stride + 1]; |
| dst_a[1] = src[1 * src_stride + 0]; |
| dst_b[1] = src[1 * src_stride + 1]; |
| dst_a[2] = src[2 * src_stride + 0]; |
| dst_b[2] = src[2 * src_stride + 1]; |
| dst_a[3] = src[3 * src_stride + 0]; |
| dst_b[3] = src[3 * src_stride + 1]; |
| dst_a[4] = src[4 * src_stride + 0]; |
| dst_b[4] = src[4 * src_stride + 1]; |
| dst_a[5] = src[5 * src_stride + 0]; |
| dst_b[5] = src[5 * src_stride + 1]; |
| dst_a[6] = src[6 * src_stride + 0]; |
| dst_b[6] = src[6 * src_stride + 1]; |
| dst_a[7] = src[7 * src_stride + 0]; |
| dst_b[7] = src[7 * src_stride + 1]; |
| src += 2; |
| dst_a += dst_stride_a; |
| dst_b += dst_stride_b; |
| } |
| } |
| |
| static void TransposeUVWxH_C(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int w, int h) { |
| int i, j; |
| for (i = 0; i < w * 2; i += 2) |
| for (j = 0; j < h; ++j) { |
| dst_a[j + ((i >> 1) * dst_stride_a)] = src[i + (j * src_stride)]; |
| dst_b[j + ((i >> 1) * dst_stride_b)] = src[i + (j * src_stride) + 1]; |
| } |
| } |
| |
| void TransposeUV(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int width, int height) { |
| int i = height; |
| rotate_uv_wx8_func TransposeWx8; |
| rotate_uv_wxh_func TransposeWxH; |
| |
| #if defined(HAS_TRANSPOSE_UVWX8_NEON) |
| unsigned long long store_reg[8]; |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasNEON)) { |
| SaveRegisters_NEON(store_reg); |
| TransposeWx8 = TransposeUVWx8_NEON; |
| TransposeWxH = TransposeUVWxH_C; |
| } else |
| #endif |
| #if defined(HAS_TRANSPOSE_UVWX8_SSE2) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasSSE2) && |
| (width % 8 == 0) && |
| IS_ALIGNED(src, 16) && (src_stride % 16 == 0) && |
| IS_ALIGNED(dst_a, 8) && (dst_stride_a % 8 == 0) && |
| IS_ALIGNED(dst_b, 8) && (dst_stride_b % 8 == 0)) { |
| TransposeWx8 = TransposeUVWx8_SSE2; |
| TransposeWxH = TransposeUVWxH_C; |
| } else |
| #endif |
| { |
| TransposeWx8 = TransposeUVWx8_C; |
| TransposeWxH = TransposeUVWxH_C; |
| } |
| |
| // work through the source in 8x8 tiles |
| while (i >= 8) { |
| TransposeWx8(src, src_stride, |
| dst_a, dst_stride_a, |
| dst_b, dst_stride_b, |
| width); |
| |
| src += 8 * src_stride; // go down 8 rows |
| dst_a += 8; // move over 8 columns |
| dst_b += 8; // move over 8 columns |
| i -= 8; |
| } |
| |
| TransposeWxH(src, src_stride, |
| dst_a, dst_stride_a, |
| dst_b, dst_stride_b, |
| width, i); |
| |
| #if defined(HAS_TRANSPOSE_UVWX8_NEON) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasNEON)) { |
| RestoreRegisters_NEON(store_reg); |
| } |
| #endif |
| } |
| |
| void RotateUV90(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int width, int height) { |
| src += src_stride * (height - 1); |
| src_stride = -src_stride; |
| |
| TransposeUV(src, src_stride, |
| dst_a, dst_stride_a, |
| dst_b, dst_stride_b, |
| width, height); |
| } |
| |
| void RotateUV270(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int width, int height) { |
| dst_a += dst_stride_a * (width - 1); |
| dst_b += dst_stride_b * (width - 1); |
| dst_stride_a = -dst_stride_a; |
| dst_stride_b = -dst_stride_b; |
| |
| TransposeUV(src, src_stride, |
| dst_a, dst_stride_a, |
| dst_b, dst_stride_b, |
| width, height); |
| } |
| |
| #if defined(WIN32) && !defined(COVERAGE_ENABLED) |
| #define HAS_REVERSE_LINE_UV_SSSE3 |
| __declspec(naked) |
| void ReverseLineUV_SSSE3(const uint8* src, |
| uint8* dst_a, uint8* dst_b, |
| int width) { |
| __asm { |
| push edi |
| mov eax, [esp + 4 + 4] // src |
| mov edx, [esp + 4 + 8] // dst_a |
| mov edi, [esp + 4 + 12] // dst_b |
| mov ecx, [esp + 4 + 16] // width |
| movdqa xmm7, _kShuffleReverseUV |
| lea eax, [eax + ecx * 2 - 16] |
| |
| convertloop : |
| movdqa xmm0, [eax] |
| lea eax, [eax - 16] |
| pshufb xmm0, xmm7 |
| movlpd qword ptr [edx], xmm0 |
| lea edx, [edx + 8] |
| movhpd qword ptr [edi], xmm0 |
| lea edi, [edi + 8] |
| sub ecx, 8 |
| ja convertloop |
| pop edi |
| ret |
| } |
| } |
| |
| #elif (defined(__i386__) || defined(__x86_64__)) && \ |
| !defined(COVERAGE_ENABLED) && !defined(TARGET_IPHONE_SIMULATOR) |
| #define HAS_REVERSE_LINE_UV_SSSE3 |
| void ReverseLineUV_SSSE3(const uint8* src, |
| uint8* dst_a, uint8* dst_b, |
| int width) { |
| intptr_t temp_width = static_cast<intptr_t>(width); |
| asm volatile( |
| "movdqa (%4),%%xmm7\n" |
| "lea -0x10(%0,%3,2),%0\n" |
| "1:" |
| "movdqa (%0),%%xmm0\n" |
| "lea -0x10(%0),%0\n" |
| "pshufb %%xmm7,%%xmm0\n" |
| "movlpd %%xmm0,(%1)\n" |
| "lea 0x8(%1),%1\n" |
| "movhpd %%xmm0,(%2)\n" |
| "lea 0x8(%2),%2\n" |
| "sub $0x8,%3\n" |
| "ja 1b\n" |
| : "+r"(src), // %0 |
| "+r"(dst_a), // %1 |
| "+r"(dst_b), // %2 |
| "+r"(temp_width) // %3 |
| : "r"(kShuffleReverseUV) // %4 |
| : "memory" |
| ); |
| } |
| #endif |
| |
| static void ReverseLineUV_C(const uint8* src, |
| uint8* dst_a, uint8* dst_b, |
| int width) { |
| int i; |
| src += width << 1; |
| for (i = 0; i < width; ++i) { |
| src -= 2; |
| dst_a[i] = src[0]; |
| dst_b[i] = src[1]; |
| } |
| } |
| |
| void RotateUV180(const uint8* src, int src_stride, |
| uint8* dst_a, int dst_stride_a, |
| uint8* dst_b, int dst_stride_b, |
| int width, int height) { |
| int i; |
| reverse_uv_func ReverseLine; |
| |
| #if defined(HAS_REVERSE_LINE_UV_NEON) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasNEON) && |
| (width % 16 == 0) && |
| IS_ALIGNED(src, 16) && (src_stride % 16 == 0) && |
| IS_ALIGNED(dst_a, 8) && (dst_stride_a % 8 == 0) && |
| IS_ALIGNED(dst_b, 8) && (dst_stride_b % 8 == 0) ) { |
| ReverseLine = ReverseLineUV_NEON; |
| } else |
| #endif |
| #if defined(HAS_REVERSE_LINE_UV_SSSE3) |
| if (libyuv::TestCpuFlag(libyuv::kCpuHasSSSE3) && |
| (width % 16 == 0) && |
| IS_ALIGNED(src, 16) && (src_stride % 16 == 0) && |
| IS_ALIGNED(dst_a, 8) && (dst_stride_a % 8 == 0) && |
| IS_ALIGNED(dst_b, 8) && (dst_stride_b % 8 == 0) ) { |
| ReverseLine = ReverseLineUV_SSSE3; |
| } else |
| #endif |
| { |
| ReverseLine = ReverseLineUV_C; |
| } |
| |
| dst_a += dst_stride_a * (height - 1); |
| dst_b += dst_stride_b * (height - 1); |
| |
| for (i = 0; i < height; ++i) { |
| ReverseLine(src, dst_a, dst_b, width); |
| |
| src += src_stride; // down one line at a time |
| dst_a -= dst_stride_a; // nominally up one line at a time |
| dst_b -= dst_stride_b; // nominally up one line at a time |
| } |
| } |
| |
| int I420Rotate(const uint8* src_y, int src_stride_y, |
| const uint8* src_u, int src_stride_u, |
| const uint8* src_v, int src_stride_v, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_u, int dst_stride_u, |
| uint8* dst_v, int dst_stride_v, |
| int width, int height, |
| RotationMode mode) { |
| int halfwidth = (width + 1) >> 1; |
| int halfheight = (height + 1) >> 1; |
| |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| halfheight = (height + 1) >> 1; |
| src_y = src_y + (height - 1) * src_stride_y; |
| src_u = src_u + (halfheight - 1) * src_stride_u; |
| src_v = src_v + (halfheight - 1) * src_stride_v; |
| src_stride_y = -src_stride_y; |
| src_stride_u = -src_stride_u; |
| src_stride_v = -src_stride_v; |
| } |
| |
| switch (mode) { |
| case kRotate0: |
| // copy frame |
| return I420Copy(src_y, src_stride_y, |
| src_u, src_stride_u, |
| src_v, src_stride_v, |
| dst_y, dst_stride_y, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| width, height); |
| case kRotate90: |
| RotatePlane90(src_y, src_stride_y, |
| dst_y, dst_stride_y, |
| width, height); |
| RotatePlane90(src_u, src_stride_u, |
| dst_u, dst_stride_u, |
| halfwidth, halfheight); |
| RotatePlane90(src_v, src_stride_v, |
| dst_v, dst_stride_v, |
| halfwidth, halfheight); |
| return 0; |
| case kRotate270: |
| RotatePlane270(src_y, src_stride_y, |
| dst_y, dst_stride_y, |
| width, height); |
| RotatePlane270(src_u, src_stride_u, |
| dst_u, dst_stride_u, |
| halfwidth, halfheight); |
| RotatePlane270(src_v, src_stride_v, |
| dst_v, dst_stride_v, |
| halfwidth, halfheight); |
| return 0; |
| case kRotate180: |
| RotatePlane180(src_y, src_stride_y, |
| dst_y, dst_stride_y, |
| width, height); |
| RotatePlane180(src_u, src_stride_u, |
| dst_u, dst_stride_u, |
| halfwidth, halfheight); |
| RotatePlane180(src_v, src_stride_v, |
| dst_v, dst_stride_v, |
| halfwidth, halfheight); |
| return 0; |
| default: |
| break; |
| } |
| return -1; |
| } |
| |
| int NV12ToI420Rotate(const uint8* src_y, int src_stride_y, |
| const uint8* src_uv, int src_stride_uv, |
| uint8* dst_y, int dst_stride_y, |
| uint8* dst_u, int dst_stride_u, |
| uint8* dst_v, int dst_stride_v, |
| int width, int height, |
| RotationMode mode) { |
| int halfwidth = (width + 1) >> 1; |
| int halfheight = (height + 1) >> 1; |
| |
| // Negative height means invert the image. |
| if (height < 0) { |
| height = -height; |
| halfheight = (height + 1) >> 1; |
| src_y = src_y + (height - 1) * src_stride_y; |
| src_uv = src_uv + (halfheight - 1) * src_stride_uv; |
| src_stride_y = -src_stride_y; |
| src_stride_uv = -src_stride_uv; |
| } |
| |
| switch (mode) { |
| case kRotate0: |
| // copy frame |
| return NV12ToI420(src_y, src_uv, src_stride_y, |
| dst_y, dst_stride_y, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| width, height); |
| case kRotate90: |
| RotatePlane90(src_y, src_stride_y, |
| dst_y, dst_stride_y, |
| width, height); |
| RotateUV90(src_uv, src_stride_uv, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| halfwidth, halfheight); |
| return 0; |
| case kRotate270: |
| RotatePlane270(src_y, src_stride_y, |
| dst_y, dst_stride_y, |
| width, height); |
| RotateUV270(src_uv, src_stride_uv, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| halfwidth, halfheight); |
| return 0; |
| case kRotate180: |
| RotatePlane180(src_y, src_stride_y, |
| dst_y, dst_stride_y, |
| width, height); |
| RotateUV180(src_uv, src_stride_uv, |
| dst_u, dst_stride_u, |
| dst_v, dst_stride_v, |
| halfwidth, halfheight); |
| return 0; |
| default: |
| break; |
| } |
| return -1; |
| } |
| |
| } // namespace libyuv |