mirror of
https://chromium.googlesource.com/libyuv/libyuv
synced 2025-12-06 16:56:55 +08:00
e6ca9cc2a2
BUG=314 TESTED=libyuvTest.ScaleDownBy2_Box R=tpsiaki@google.com Review URL: https://webrtc-codereview.appspot.com/42959004 git-svn-id: http://libyuv.googlecode.com/svn/trunk@1347 16f28f9a-4ce2-e073-06de-1de4eb20be90
77 lines
3.0 KiB
C++
77 lines
3.0 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
|
|
#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(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
|
|
|
|
#undef SDANY
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|
|
|