cdef_block_ssse3.c (2095B)
1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 // Include SSSE3 CDEF code only for 32-bit x86, to support Valgrind. 13 // For normal use, we require SSE4.1, so cdef_*_sse4_1 will be used instead of 14 // these functions. However, 32-bit Valgrind does not support SSE4.1, so we 15 // include a fallback to SSSE3 to improve performance 16 17 #include "config/aom_config.h" 18 19 #if !AOM_ARCH_X86 20 #error "cdef_block_ssse3.c is included for compatibility with 32-bit x86 only" 21 #endif // !AOM_ARCH_X86 22 23 #include "aom_dsp/aom_simd.h" 24 #define SIMD_FUNC(name) name##_ssse3 25 #include "av1/common/cdef_block_simd.h" 26 27 void cdef_find_dir_dual_ssse3(const uint16_t *img1, const uint16_t *img2, 28 int stride, int32_t *var_out_1st, 29 int32_t *var_out_2nd, int coeff_shift, 30 int *out_dir_1st_8x8, int *out_dir_2nd_8x8) { 31 // Process first 8x8. 32 *out_dir_1st_8x8 = cdef_find_dir(img1, stride, var_out_1st, coeff_shift); 33 34 // Process second 8x8. 35 *out_dir_2nd_8x8 = cdef_find_dir(img2, stride, var_out_2nd, coeff_shift); 36 } 37 38 void cdef_copy_rect8_8bit_to_16bit_ssse3(uint16_t *dst, int dstride, 39 const uint8_t *src, int sstride, 40 int width, int height) { 41 int j; 42 for (int i = 0; i < height; i++) { 43 for (j = 0; j < (width & ~0x7); j += 8) { 44 v64 row = v64_load_unaligned(&src[i * sstride + j]); 45 v128_store_unaligned(&dst[i * dstride + j], v128_unpack_u8_s16(row)); 46 } 47 for (; j < width; j++) { 48 dst[i * dstride + j] = src[i * sstride + j]; 49 } 50 } 51 }