2016-01-11 17:19:48 +00:00
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/*
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* Copyright 2015 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/scale.h"
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#include "libyuv/scale_row.h"
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#include "libyuv/basic_types.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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// Definition for ScaleFilterCols, ScaleARGBCols and ScaleARGBFilterCols
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#define CANY(NAMEANY, TERP_SIMD, TERP_C, BPP, MASK) \
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void NAMEANY(uint8* dst_ptr, const uint8* src_ptr, \
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int dst_width, int x, int dx) { \
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int n = dst_width & ~MASK; \
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if (n > 0) { \
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TERP_SIMD(dst_ptr, src_ptr, n, x, dx); \
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} \
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TERP_C(dst_ptr + n * BPP, src_ptr, \
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dst_width & MASK, x + n * dx, dx); \
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}
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#ifdef HAS_SCALEFILTERCOLS_NEON
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CANY(ScaleFilterCols_Any_NEON, ScaleFilterCols_NEON, ScaleFilterCols_C, 1, 7)
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#endif
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#ifdef HAS_SCALEARGBCOLS_NEON
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CANY(ScaleARGBCols_Any_NEON, ScaleARGBCols_NEON, ScaleARGBCols_C, 4, 7)
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#endif
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#ifdef HAS_SCALEARGBFILTERCOLS_NEON
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CANY(ScaleARGBFilterCols_Any_NEON, ScaleARGBFilterCols_NEON,
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ScaleARGBFilterCols_C, 4, 3)
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#endif
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#undef CANY
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// Fixed scale down.
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#define SDANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \
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void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, \
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uint8* dst_ptr, int dst_width) { \
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int r = (int)((unsigned int)dst_width % (MASK + 1)); \
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int n = dst_width - r; \
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if (n > 0) { \
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SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n); \
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} \
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SCALEROWDOWN_C(src_ptr + (n * FACTOR) * BPP, src_stride, \
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dst_ptr + n * BPP, r); \
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}
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2016-05-25 21:49:47 +00:00
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// Fixed scale down for odd source width. Used by I420Blend subsampling.
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// Since dst_width is (width + 1) / 2, this function scales one less pixel
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// and copies the last pixel.
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#define SDODD(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, FACTOR, BPP, MASK) \
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void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, \
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uint8* dst_ptr, int dst_width) { \
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int r = (int)((unsigned int)(dst_width - 1) % (MASK + 1)); \
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int n = dst_width - r; \
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if (n > 0) { \
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SCALEROWDOWN_SIMD(src_ptr, src_stride, dst_ptr, n); \
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} \
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SCALEROWDOWN_C(src_ptr + (n * FACTOR) * BPP, src_stride, \
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dst_ptr + n * BPP, r); \
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}
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2016-01-11 17:19:48 +00:00
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#ifdef HAS_SCALEROWDOWN2_SSSE3
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SDANY(ScaleRowDown2_Any_SSSE3, ScaleRowDown2_SSSE3, ScaleRowDown2_C, 2, 1, 15)
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SDANY(ScaleRowDown2Linear_Any_SSSE3, ScaleRowDown2Linear_SSSE3,
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ScaleRowDown2Linear_C, 2, 1, 15)
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SDANY(ScaleRowDown2Box_Any_SSSE3, ScaleRowDown2Box_SSSE3, ScaleRowDown2Box_C,
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2, 1, 15)
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2016-05-25 21:49:47 +00:00
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SDODD(ScaleRowDown2Box_Odd_SSSE3, ScaleRowDown2Box_SSSE3,
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ScaleRowDown2Box_Odd_C, 2, 1, 15)
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2016-01-11 17:19:48 +00:00
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#endif
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#ifdef HAS_SCALEROWDOWN2_AVX2
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SDANY(ScaleRowDown2_Any_AVX2, ScaleRowDown2_AVX2, ScaleRowDown2_C, 2, 1, 31)
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SDANY(ScaleRowDown2Linear_Any_AVX2, ScaleRowDown2Linear_AVX2,
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ScaleRowDown2Linear_C, 2, 1, 31)
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SDANY(ScaleRowDown2Box_Any_AVX2, ScaleRowDown2Box_AVX2, ScaleRowDown2Box_C,
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2, 1, 31)
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2016-05-25 21:49:47 +00:00
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SDODD(ScaleRowDown2Box_Odd_AVX2, ScaleRowDown2Box_AVX2, ScaleRowDown2Box_Odd_C,
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2, 1, 31)
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2016-01-11 17:19:48 +00:00
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#endif
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#ifdef HAS_SCALEROWDOWN2_NEON
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SDANY(ScaleRowDown2_Any_NEON, ScaleRowDown2_NEON, ScaleRowDown2_C, 2, 1, 15)
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SDANY(ScaleRowDown2Linear_Any_NEON, ScaleRowDown2Linear_NEON,
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ScaleRowDown2Linear_C, 2, 1, 15)
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SDANY(ScaleRowDown2Box_Any_NEON, ScaleRowDown2Box_NEON,
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ScaleRowDown2Box_C, 2, 1, 15)
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2016-05-25 21:49:47 +00:00
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SDODD(ScaleRowDown2Box_Odd_NEON, ScaleRowDown2Box_NEON,
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ScaleRowDown2Box_Odd_C, 2, 1, 15)
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2016-01-11 17:19:48 +00:00
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#endif
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#ifdef HAS_SCALEROWDOWN4_SSSE3
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SDANY(ScaleRowDown4_Any_SSSE3, ScaleRowDown4_SSSE3, ScaleRowDown4_C, 4, 1, 7)
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SDANY(ScaleRowDown4Box_Any_SSSE3, ScaleRowDown4Box_SSSE3, ScaleRowDown4Box_C,
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4, 1, 7)
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#endif
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#ifdef HAS_SCALEROWDOWN4_AVX2
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SDANY(ScaleRowDown4_Any_AVX2, ScaleRowDown4_AVX2, ScaleRowDown4_C, 4, 1, 15)
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SDANY(ScaleRowDown4Box_Any_AVX2, ScaleRowDown4Box_AVX2, ScaleRowDown4Box_C,
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4, 1, 15)
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#endif
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#ifdef HAS_SCALEROWDOWN4_NEON
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SDANY(ScaleRowDown4_Any_NEON, ScaleRowDown4_NEON, ScaleRowDown4_C, 4, 1, 7)
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SDANY(ScaleRowDown4Box_Any_NEON, ScaleRowDown4Box_NEON, ScaleRowDown4Box_C,
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4, 1, 7)
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#endif
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#ifdef HAS_SCALEROWDOWN34_SSSE3
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SDANY(ScaleRowDown34_Any_SSSE3, ScaleRowDown34_SSSE3,
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ScaleRowDown34_C, 4 / 3, 1, 23)
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SDANY(ScaleRowDown34_0_Box_Any_SSSE3, ScaleRowDown34_0_Box_SSSE3,
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ScaleRowDown34_0_Box_C, 4 / 3, 1, 23)
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SDANY(ScaleRowDown34_1_Box_Any_SSSE3, ScaleRowDown34_1_Box_SSSE3,
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ScaleRowDown34_1_Box_C, 4 / 3, 1, 23)
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#endif
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#ifdef HAS_SCALEROWDOWN34_NEON
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SDANY(ScaleRowDown34_Any_NEON, ScaleRowDown34_NEON,
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ScaleRowDown34_C, 4 / 3, 1, 23)
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SDANY(ScaleRowDown34_0_Box_Any_NEON, ScaleRowDown34_0_Box_NEON,
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ScaleRowDown34_0_Box_C, 4 / 3, 1, 23)
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SDANY(ScaleRowDown34_1_Box_Any_NEON, ScaleRowDown34_1_Box_NEON,
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ScaleRowDown34_1_Box_C, 4 / 3, 1, 23)
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#endif
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#ifdef HAS_SCALEROWDOWN38_SSSE3
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SDANY(ScaleRowDown38_Any_SSSE3, ScaleRowDown38_SSSE3,
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ScaleRowDown38_C, 8 / 3, 1, 11)
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SDANY(ScaleRowDown38_3_Box_Any_SSSE3, ScaleRowDown38_3_Box_SSSE3,
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ScaleRowDown38_3_Box_C, 8 / 3, 1, 5)
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SDANY(ScaleRowDown38_2_Box_Any_SSSE3, ScaleRowDown38_2_Box_SSSE3,
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ScaleRowDown38_2_Box_C, 8 / 3, 1, 5)
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#endif
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#ifdef HAS_SCALEROWDOWN38_NEON
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SDANY(ScaleRowDown38_Any_NEON, ScaleRowDown38_NEON,
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ScaleRowDown38_C, 8 / 3, 1, 11)
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SDANY(ScaleRowDown38_3_Box_Any_NEON, ScaleRowDown38_3_Box_NEON,
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ScaleRowDown38_3_Box_C, 8 / 3, 1, 11)
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SDANY(ScaleRowDown38_2_Box_Any_NEON, ScaleRowDown38_2_Box_NEON,
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ScaleRowDown38_2_Box_C, 8 / 3, 1, 11)
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#endif
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#ifdef HAS_SCALEARGBROWDOWN2_SSE2
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SDANY(ScaleARGBRowDown2_Any_SSE2, ScaleARGBRowDown2_SSE2,
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ScaleARGBRowDown2_C, 2, 4, 3)
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SDANY(ScaleARGBRowDown2Linear_Any_SSE2, ScaleARGBRowDown2Linear_SSE2,
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ScaleARGBRowDown2Linear_C, 2, 4, 3)
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SDANY(ScaleARGBRowDown2Box_Any_SSE2, ScaleARGBRowDown2Box_SSE2,
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ScaleARGBRowDown2Box_C, 2, 4, 3)
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#endif
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#ifdef HAS_SCALEARGBROWDOWN2_NEON
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SDANY(ScaleARGBRowDown2_Any_NEON, ScaleARGBRowDown2_NEON,
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ScaleARGBRowDown2_C, 2, 4, 7)
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SDANY(ScaleARGBRowDown2Linear_Any_NEON, ScaleARGBRowDown2Linear_NEON,
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ScaleARGBRowDown2Linear_C, 2, 4, 7)
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SDANY(ScaleARGBRowDown2Box_Any_NEON, ScaleARGBRowDown2Box_NEON,
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ScaleARGBRowDown2Box_C, 2, 4, 7)
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#endif
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#undef SDANY
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// Scale down by even scale factor.
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#define SDAANY(NAMEANY, SCALEROWDOWN_SIMD, SCALEROWDOWN_C, BPP, MASK) \
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void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, int src_stepx, \
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uint8* dst_ptr, int dst_width) { \
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int r = (int)((unsigned int)dst_width % (MASK + 1)); \
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int n = dst_width - r; \
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if (n > 0) { \
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SCALEROWDOWN_SIMD(src_ptr, src_stride, src_stepx, dst_ptr, n); \
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} \
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SCALEROWDOWN_C(src_ptr + (n * src_stepx) * BPP, src_stride, \
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src_stepx, dst_ptr + n * BPP, r); \
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}
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#ifdef HAS_SCALEARGBROWDOWNEVEN_SSE2
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SDAANY(ScaleARGBRowDownEven_Any_SSE2, ScaleARGBRowDownEven_SSE2,
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ScaleARGBRowDownEven_C, 4, 3)
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SDAANY(ScaleARGBRowDownEvenBox_Any_SSE2, ScaleARGBRowDownEvenBox_SSE2,
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ScaleARGBRowDownEvenBox_C, 4, 3)
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#endif
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#ifdef HAS_SCALEARGBROWDOWNEVEN_NEON
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SDAANY(ScaleARGBRowDownEven_Any_NEON, ScaleARGBRowDownEven_NEON,
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ScaleARGBRowDownEven_C, 4, 3)
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SDAANY(ScaleARGBRowDownEvenBox_Any_NEON, ScaleARGBRowDownEvenBox_NEON,
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ScaleARGBRowDownEvenBox_C, 4, 3)
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#endif
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// Add rows box filter scale down.
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#define SAANY(NAMEANY, SCALEADDROW_SIMD, SCALEADDROW_C, MASK) \
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void NAMEANY(const uint8* src_ptr, uint16* dst_ptr, int src_width) { \
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int n = src_width & ~MASK; \
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if (n > 0) { \
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SCALEADDROW_SIMD(src_ptr, dst_ptr, n); \
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} \
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SCALEADDROW_C(src_ptr + n, dst_ptr + n, src_width & MASK); \
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}
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#ifdef HAS_SCALEADDROW_SSE2
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SAANY(ScaleAddRow_Any_SSE2, ScaleAddRow_SSE2, ScaleAddRow_C, 15)
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#endif
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#ifdef HAS_SCALEADDROW_AVX2
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SAANY(ScaleAddRow_Any_AVX2, ScaleAddRow_AVX2, ScaleAddRow_C, 31)
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#endif
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#ifdef HAS_SCALEADDROW_NEON
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SAANY(ScaleAddRow_Any_NEON, ScaleAddRow_NEON, ScaleAddRow_C, 15)
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#endif
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#undef SAANY
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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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