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author | Frank Barchard <fbarchard@google.com> | 2015-07-14 10:23:10 -0700 |
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committer | Frank Barchard <fbarchard@google.com> | 2015-07-14 10:23:10 -0700 |
commit | 3d190ee9f1f9e9e1be1c67cfd4cd24b039d7bc6f (patch) | |
tree | 2eea02f69a62abc5d9f768af383195de0e60df92 /source/rotate_common.cc | |
parent | d45ac9177284d1215d3b9dcfe9b1c83ede5bed3a (diff) | |
download | libyuv-3d190ee9f1f9e9e1be1c67cfd4cd24b039d7bc6f.tar.gz |
break rotate into files by cpu in preparation for optimization.
R=bcornell@google.com
BUG=libyuv:464
Review URL: https://webrtc-codereview.appspot.com/51289004.
Diffstat (limited to 'source/rotate_common.cc')
-rw-r--r-- | source/rotate_common.cc | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/source/rotate_common.cc b/source/rotate_common.cc new file mode 100644 index 00000000..b53326ee --- /dev/null +++ b/source/rotate_common.cc @@ -0,0 +1,97 @@ +/* + * Copyright 2011 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/rotate.h" + +#include "libyuv/cpu_id.h" +#include "libyuv/convert.h" +#include "libyuv/planar_functions.h" +#include "libyuv/rotate_row.h" +#include "libyuv/row.h" + +#ifdef __cplusplus +namespace libyuv { +extern "C" { +#endif + +void TransposeWx8_C(const uint8* src, int src_stride, + uint8* dst, int dst_stride, int width) { + int i; + for (i = 0; i < width; ++i) { + dst[0] = src[0 * src_stride]; + dst[1] = src[1 * src_stride]; + dst[2] = src[2 * src_stride]; + dst[3] = src[3 * src_stride]; + dst[4] = src[4 * src_stride]; + dst[5] = src[5 * src_stride]; + dst[6] = src[6 * src_stride]; + dst[7] = src[7 * src_stride]; + ++src; + dst += dst_stride; + } +} + +void TransposeUVWx8_C(const uint8* src, int src_stride, + uint8* dst_a, int dst_stride_a, + uint8* dst_b, int dst_stride_b, int width) { + int i; + for (i = 0; i < width; ++i) { + dst_a[0] = src[0 * src_stride + 0]; + dst_b[0] = src[0 * src_stride + 1]; + dst_a[1] = src[1 * src_stride + 0]; + dst_b[1] = src[1 * src_stride + 1]; + dst_a[2] = src[2 * src_stride + 0]; + dst_b[2] = src[2 * src_stride + 1]; + dst_a[3] = src[3 * src_stride + 0]; + dst_b[3] = src[3 * src_stride + 1]; + dst_a[4] = src[4 * src_stride + 0]; + dst_b[4] = src[4 * src_stride + 1]; + dst_a[5] = src[5 * src_stride + 0]; + dst_b[5] = src[5 * src_stride + 1]; + dst_a[6] = src[6 * src_stride + 0]; + dst_b[6] = src[6 * src_stride + 1]; + dst_a[7] = src[7 * src_stride + 0]; + dst_b[7] = src[7 * src_stride + 1]; + src += 2; + dst_a += dst_stride_a; + dst_b += dst_stride_b; + } +} + +void TransposeWxH_C(const uint8* src, int src_stride, + uint8* dst, int dst_stride, + int width, int height) { + int i; + for (i = 0; i < width; ++i) { + int j; + for (j = 0; j < height; ++j) { + dst[i * dst_stride + j] = src[j * src_stride + i]; + } + } +} + +void TransposeUVWxH_C(const uint8* src, int src_stride, + uint8* dst_a, int dst_stride_a, + uint8* dst_b, int dst_stride_b, + int width, int height) { + int i; + for (i = 0; i < width * 2; i += 2) { + int j; + for (j = 0; j < height; ++j) { + dst_a[j + ((i >> 1) * dst_stride_a)] = src[i + (j * src_stride)]; + dst_b[j + ((i >> 1) * dst_stride_b)] = src[i + (j * src_stride) + 1]; + } + } +} + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif |