/* * Copyright 2015 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/scale.h" #include "libyuv/scale_row.h" #include "libyuv/basic_types.h" #ifdef __cplusplus namespace libyuv { extern "C" { #endif // Definition for ScaleFilterCols, ScaleARGBCols and ScaleARGBFilterCols #define CANY(NAMEANY, TERP_SIMD, TERP_C, BPP, MASK) \ void NAMEANY(uint8* dst_ptr, const uint8* src_ptr, \ int dst_width, int x, int dx) { \ int n = dst_width & ~MASK; \ if (n > 0) { \ TERP_SIMD(dst_ptr, src_ptr, n, x, dx); \ } \ TERP_C(dst_ptr + n * BPP, src_ptr, \ dst_width & MASK, x + n * dx, dx); \ } #ifdef HAS_SCALEFILTERCOLS_NEON CANY(ScaleFilterCols_Any_NEON, ScaleFilterCols_NEON, ScaleFilterCols_C, 1, 7) #endif #ifdef HAS_SCALEARGBCOLS_NEON CANY(ScaleARGBCols_Any_NEON, ScaleARGBCols_NEON, ScaleARGBCols_C, 4, 7) #endif #ifdef HAS_SCALEARGBFILTERCOLS_NEON CANY(ScaleARGBFilterCols_Any_NEON, ScaleARGBFilterCols_NEON, ScaleARGBFilterCols_C, 4, 3) #endif #undef CANY // Fixed scale down. #define SDANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \ void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, \ uint8* dst_ptr, int dst_width) { \ int r = (int)((unsigned int)dst_width % (MASK + 1)); \ int n = dst_width - r; \ if (n > 0) { \ SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n); \ } \ SCALEROWDOWN_C(src_ptr + (n * FACTOR) * BPP, src_stride, \ dst_ptr + n * BPP, r); \ } #ifdef HAS_SCALEROWDOWN2_SSSE3 SDANY(ScaleRowDown2_Any_SSSE3, ScaleRowDown2_SSSE3, ScaleRowDown2_C, 2, 1, 15) SDANY(ScaleRowDown2Linear_Any_SSSE3, ScaleRowDown2Linear_SSSE3, ScaleRowDown2Linear_C, 2, 1, 15) SDANY(ScaleRowDown2Box_Any_SSSE3, ScaleRowDown2Box_SSSE3, ScaleRowDown2Box_C, 2, 1, 15) #endif #ifdef HAS_SCALEROWDOWN2_AVX2 SDANY(ScaleRowDown2_Any_AVX2, ScaleRowDown2_AVX2, ScaleRowDown2_C, 2, 1, 31) SDANY(ScaleRowDown2Linear_Any_AVX2, ScaleRowDown2Linear_AVX2, ScaleRowDown2Linear_C, 2, 1, 31) SDANY(ScaleRowDown2Box_Any_AVX2, ScaleRowDown2Box_AVX2, ScaleRowDown2Box_C, 2, 1, 31) #endif #ifdef HAS_SCALEROWDOWN2_NEON SDANY(ScaleRowDown2_Any_NEON, ScaleRowDown2_NEON, ScaleRowDown2_C, 2, 1, 15) SDANY(ScaleRowDown2Linear_Any_NEON, ScaleRowDown2Linear_NEON, ScaleRowDown2Linear_C, 2, 1, 15) SDANY(ScaleRowDown2Box_Any_NEON, ScaleRowDown2Box_NEON, ScaleRowDown2Box_C, 2, 1, 15) #endif #ifdef HAS_SCALEROWDOWN4_SSSE3 SDANY(ScaleRowDown4_Any_SSSE3, ScaleRowDown4_SSSE3, ScaleRowDown4_C, 4, 1, 7) SDANY(ScaleRowDown4Box_Any_SSSE3, ScaleRowDown4Box_SSSE3, ScaleRowDown4Box_C, 4, 1, 7) #endif #ifdef HAS_SCALEROWDOWN4_AVX2 SDANY(ScaleRowDown4_Any_AVX2, ScaleRowDown4_AVX2, ScaleRowDown4_C, 4, 1, 15) SDANY(ScaleRowDown4Box_Any_AVX2, ScaleRowDown4Box_AVX2, ScaleRowDown4Box_C, 4, 1, 15) #endif #ifdef HAS_SCALEROWDOWN4_NEON SDANY(ScaleRowDown4_Any_NEON, ScaleRowDown4_NEON, ScaleRowDown4_C, 4, 1, 7) SDANY(ScaleRowDown4Box_Any_NEON, ScaleRowDown4Box_NEON, ScaleRowDown4Box_C, 4, 1, 7) #endif #ifdef HAS_SCALEROWDOWN34_SSSE3 SDANY(ScaleRowDown34_Any_SSSE3, ScaleRowDown34_SSSE3, ScaleRowDown34_C, 4 / 3, 1, 23) SDANY(ScaleRowDown34_0_Box_Any_SSSE3, ScaleRowDown34_0_Box_SSSE3, ScaleRowDown34_0_Box_C, 4 / 3, 1, 23) SDANY(ScaleRowDown34_1_Box_Any_SSSE3, ScaleRowDown34_1_Box_SSSE3, ScaleRowDown34_1_Box_C, 4 / 3, 1, 23) #endif #ifdef HAS_SCALEROWDOWN34_NEON SDANY(ScaleRowDown34_Any_NEON, ScaleRowDown34_NEON, ScaleRowDown34_C, 4 / 3, 1, 23) SDANY(ScaleRowDown34_0_Box_Any_NEON, ScaleRowDown34_0_Box_NEON, ScaleRowDown34_0_Box_C, 4 / 3, 1, 23) SDANY(ScaleRowDown34_1_Box_Any_NEON, ScaleRowDown34_1_Box_NEON, ScaleRowDown34_1_Box_C, 4 / 3, 1, 23) #endif #ifdef HAS_SCALEROWDOWN38_SSSE3 SDANY(ScaleRowDown38_Any_SSSE3, ScaleRowDown38_SSSE3, ScaleRowDown38_C, 8 / 3, 1, 11) SDANY(ScaleRowDown38_3_Box_Any_SSSE3, ScaleRowDown38_3_Box_SSSE3, ScaleRowDown38_3_Box_C, 8 / 3, 1, 5) SDANY(ScaleRowDown38_2_Box_Any_SSSE3, ScaleRowDown38_2_Box_SSSE3, ScaleRowDown38_2_Box_C, 8 / 3, 1, 5) #endif #ifdef HAS_SCALEROWDOWN38_NEON SDANY(ScaleRowDown38_Any_NEON, ScaleRowDown38_NEON, ScaleRowDown38_C, 8 / 3, 1, 11) SDANY(ScaleRowDown38_3_Box_Any_NEON, ScaleRowDown38_3_Box_NEON, ScaleRowDown38_3_Box_C, 8 / 3, 1, 11) SDANY(ScaleRowDown38_2_Box_Any_NEON, ScaleRowDown38_2_Box_NEON, ScaleRowDown38_2_Box_C, 8 / 3, 1, 11) #endif #ifdef HAS_SCALEARGBROWDOWN2_SSE2 SDANY(ScaleARGBRowDown2_Any_SSE2, ScaleARGBRowDown2_SSE2, ScaleARGBRowDown2_C, 2, 4, 3) SDANY(ScaleARGBRowDown2Linear_Any_SSE2, ScaleARGBRowDown2Linear_SSE2, ScaleARGBRowDown2Linear_C, 2, 4, 3) SDANY(ScaleARGBRowDown2Box_Any_SSE2, ScaleARGBRowDown2Box_SSE2, ScaleARGBRowDown2Box_C, 2, 4, 3) #endif #ifdef HAS_SCALEARGBROWDOWN2_NEON SDANY(ScaleARGBRowDown2_Any_NEON, ScaleARGBRowDown2_NEON, ScaleARGBRowDown2_C, 2, 4, 7) SDANY(ScaleARGBRowDown2Linear_Any_NEON, ScaleARGBRowDown2Linear_NEON, ScaleARGBRowDown2Linear_C, 2, 4, 7) SDANY(ScaleARGBRowDown2Box_Any_NEON, ScaleARGBRowDown2Box_NEON, ScaleARGBRowDown2Box_C, 2, 4, 7) #endif #undef SDANY // Scale down by even scale factor. #define SDAANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, BPP, MASK) \ void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, int src_stepx, \ uint8* dst_ptr, int dst_width) { \ int r = (int)((unsigned int)dst_width % (MASK + 1)); \ int n = dst_width - r; \ if (n > 0) { \ SCALEROWDOWN_SIMD(src_ptr, src_stride, src_stepx, dst_ptr, n); \ } \ SCALEROWDOWN_C(src_ptr + (n * src_stepx) * BPP, src_stride, \ src_stepx, dst_ptr + n * BPP, r); \ } #ifdef HAS_SCALEARGBROWDOWNEVEN_SSE2 SDAANY(ScaleARGBRowDownEven_Any_SSE2, ScaleARGBRowDownEven_SSE2, ScaleARGBRowDownEven_C, 4, 3) SDAANY(ScaleARGBRowDownEvenBox_Any_SSE2, ScaleARGBRowDownEvenBox_SSE2, ScaleARGBRowDownEvenBox_C, 4, 3) #endif #ifdef HAS_SCALEARGBROWDOWNEVEN_NEON SDAANY(ScaleARGBRowDownEven_Any_NEON, ScaleARGBRowDownEven_NEON, ScaleARGBRowDownEven_C, 4, 3) SDAANY(ScaleARGBRowDownEvenBox_Any_NEON, ScaleARGBRowDownEvenBox_NEON, ScaleARGBRowDownEvenBox_C, 4, 3) #endif // Add rows box filter scale down. #define SAANY(NAMEANY, SCALEADDROW_SIMD, SCALEADDROW_C, MASK) \ void NAMEANY(const uint8* src_ptr, uint16* dst_ptr, int src_width) { \ int n = src_width & ~MASK; \ if (n > 0) { \ SCALEADDROW_SIMD(src_ptr, dst_ptr, n); \ } \ SCALEADDROW_C(src_ptr + n, dst_ptr + n, src_width & MASK); \ } #ifdef HAS_SCALEADDROW_SSE2 SAANY(ScaleAddRow_Any_SSE2, ScaleAddRow_SSE2, ScaleAddRow_C, 15) #endif #ifdef HAS_SCALEADDROW_AVX2 SAANY(ScaleAddRow_Any_AVX2, ScaleAddRow_AVX2, ScaleAddRow_C, 31) #endif #ifdef HAS_SCALEADDROW_NEON SAANY(ScaleAddRow_Any_NEON, ScaleAddRow_NEON, ScaleAddRow_C, 15) #endif #undef SAANY #ifdef __cplusplus } // extern "C" } // namespace libyuv #endif