| /* |
| * 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_SSE2 |
| SDANY(ScaleRowDown2_Any_SSE2, ScaleRowDown2_SSE2, ScaleRowDown2_C, 2, 1, 15) |
| SDANY(ScaleRowDown2Linear_Any_SSE2, ScaleRowDown2Linear_SSE2, |
| ScaleRowDown2Linear_C, 2, 1, 15) |
| SDANY(ScaleRowDown2Box_Any_SSE2, ScaleRowDown2Box_SSE2, 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_SSE2 |
| SDANY(ScaleRowDown4_Any_SSE2, ScaleRowDown4_SSE2, ScaleRowDown4_C, 4, 1, 7) |
| SDANY(ScaleRowDown4Box_Any_SSE2, ScaleRowDown4Box_SSE2, 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 |
| |
| |
| |
| |
| |
