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Side by Side Diff: source/libvpx/vp9/common/arm/neon/vp9_convolve_neon.c

Issue 1124333011: libvpx: Pull from upstream (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libvpx.git@master
Patch Set: only update to last nights LKGR Created 5 years, 7 months ago
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1 /* 1 /*
2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #include "./vp9_rtcd.h" 11 #include "./vp9_rtcd.h"
12 #include "vp9/common/vp9_common.h" 12 #include "vp9/common/vp9_common.h"
13 #include "vpx_ports/mem.h" 13 #include "vpx_ports/mem.h"
14 14
15 void vp9_convolve8_neon(const uint8_t *src, ptrdiff_t src_stride, 15 void vp9_convolve8_neon(const uint8_t *src, ptrdiff_t src_stride,
16 uint8_t *dst, ptrdiff_t dst_stride, 16 uint8_t *dst, ptrdiff_t dst_stride,
17 const int16_t *filter_x, int x_step_q4, 17 const int16_t *filter_x, int x_step_q4,
18 const int16_t *filter_y, int y_step_q4, 18 const int16_t *filter_y, int y_step_q4,
19 int w, int h) { 19 int w, int h) {
20 /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the 20 /* Given our constraints: w <= 64, h <= 64, taps == 8 we can reduce the
21 * maximum buffer size to 64 * 64 + 7 (+ 1 to make it divisible by 4). 21 * maximum buffer size to 64 * 64 + 7 (+ 1 to make it divisible by 4).
22 */ 22 */
23 DECLARE_ALIGNED_ARRAY(8, uint8_t, temp, 64 * 72); 23 DECLARE_ALIGNED(8, uint8_t, temp[64 * 72]);
24 24
25 // Account for the vertical phase needing 3 lines prior and 4 lines post 25 // Account for the vertical phase needing 3 lines prior and 4 lines post
26 int intermediate_height = h + 7; 26 int intermediate_height = h + 7;
27 27
28 if (x_step_q4 != 16 || y_step_q4 != 16) { 28 if (x_step_q4 != 16 || y_step_q4 != 16) {
29 vp9_convolve8_c(src, src_stride, 29 vp9_convolve8_c(src, src_stride,
30 dst, dst_stride, 30 dst, dst_stride,
31 filter_x, x_step_q4, 31 filter_x, x_step_q4,
32 filter_y, y_step_q4, 32 filter_y, y_step_q4,
33 w, h); 33 w, h);
(...skipping 15 matching lines...) Expand all
49 dst, dst_stride, 49 dst, dst_stride,
50 filter_x, x_step_q4, filter_y, y_step_q4, 50 filter_x, x_step_q4, filter_y, y_step_q4,
51 w, h); 51 w, h);
52 } 52 }
53 53
54 void vp9_convolve8_avg_neon(const uint8_t *src, ptrdiff_t src_stride, 54 void vp9_convolve8_avg_neon(const uint8_t *src, ptrdiff_t src_stride,
55 uint8_t *dst, ptrdiff_t dst_stride, 55 uint8_t *dst, ptrdiff_t dst_stride,
56 const int16_t *filter_x, int x_step_q4, 56 const int16_t *filter_x, int x_step_q4,
57 const int16_t *filter_y, int y_step_q4, 57 const int16_t *filter_y, int y_step_q4,
58 int w, int h) { 58 int w, int h) {
59 DECLARE_ALIGNED_ARRAY(8, uint8_t, temp, 64 * 72); 59 DECLARE_ALIGNED(8, uint8_t, temp[64 * 72]);
60 int intermediate_height = h + 7; 60 int intermediate_height = h + 7;
61 61
62 if (x_step_q4 != 16 || y_step_q4 != 16) { 62 if (x_step_q4 != 16 || y_step_q4 != 16) {
63 vp9_convolve8_avg_c(src, src_stride, 63 vp9_convolve8_avg_c(src, src_stride,
64 dst, dst_stride, 64 dst, dst_stride,
65 filter_x, x_step_q4, 65 filter_x, x_step_q4,
66 filter_y, y_step_q4, 66 filter_y, y_step_q4,
67 w, h); 67 w, h);
68 return; 68 return;
69 } 69 }
70 70
71 /* This implementation has the same issues as above. In addition, we only want 71 /* This implementation has the same issues as above. In addition, we only want
72 * to average the values after both passes. 72 * to average the values after both passes.
73 */ 73 */
74 vp9_convolve8_horiz_neon(src - src_stride * 3, src_stride, 74 vp9_convolve8_horiz_neon(src - src_stride * 3, src_stride,
75 temp, 64, 75 temp, 64,
76 filter_x, x_step_q4, filter_y, y_step_q4, 76 filter_x, x_step_q4, filter_y, y_step_q4,
77 w, intermediate_height); 77 w, intermediate_height);
78 vp9_convolve8_avg_vert_neon(temp + 64 * 3, 78 vp9_convolve8_avg_vert_neon(temp + 64 * 3,
79 64, dst, dst_stride, 79 64, dst, dst_stride,
80 filter_x, x_step_q4, filter_y, y_step_q4, 80 filter_x, x_step_q4, filter_y, y_step_q4,
81 w, h); 81 w, h);
82 } 82 }
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