libyuv/source/scale_any.cc
fbarchard@google.com 2b7f6b7dee ScaleAddRows_Any_SSE2 functions for handling odd widths.
BUG=425
TESTED=out\release\libyuv_unittest_old --gtest_filter=*.ScaleDownBy3_*
R=tpsiaki@google.com

Review URL: https://webrtc-codereview.appspot.com/45219004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1377 16f28f9a-4ce2-e073-06de-1de4eb20be90
2015-04-22 00:51:56 +00:00

123 lines
4.9 KiB
C++

/*
* 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 n = dst_width & ~MASK; \
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, dst_width & MASK); \
}
#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_NEON
SDANY(ScaleRowDown4_Any_NEON, ScaleRowDown4_NEON, ScaleRowDown4_C, 4, 1, 7)
SDANY(ScaleRowDown4Box_Any_NEON, ScaleRowDown4Box_NEON, ScaleRowDown4Box_C,
4, 1, 7)
#endif
#undef SDANY
// Fixed scale down.
#define SAANY(NAMEANY, SCALEADDROWS_SIMD, SCALEADDROWS_C, MASK) \
void NAMEANY(const uint8* src_ptr, ptrdiff_t src_stride, \
uint16* dst_ptr, int src_width, int src_height) { \
int n = src_width & ~MASK; \
if (n > 0) { \
SCALEADDROWS_SIMD(src_ptr, src_stride, dst_ptr, n, src_height); \
} \
SCALEADDROWS_C(src_ptr + n, src_stride, \
dst_ptr + n, src_width & MASK, src_height); \
}
#ifdef HAS_SCALEADDROWS_SSE2
SAANY(ScaleAddRows_Any_SSE2, ScaleAddRows_SSE2, ScaleAddRows_C, 15)
#endif
#ifdef HAS_SCALEADDROWS_AVX2
SAANY(ScaleAddRows_Any_AVX2, ScaleAddRows_AVX2, ScaleAddRows_C, 31)
#endif
#ifdef HAS_SCALEADDROWS_NEON
SAANY(ScaleAddRows_Any_NEON, ScaleAddRows_NEON, ScaleAddRows_C, 15)
#endif
#undef SAANY
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif