1/* Copyright (c) 2011,  NVIDIA CORPORATION. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions
5 * are met:
6 *
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *  * Neither the name of the NVIDIA CORPORATION nor the names of its
13 *    contributors may be used to endorse or promote products derived
14 *    from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
25 * THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#define JPEG_INTERNALS
29#include "jinclude.h"
30#include "jpeglib.h"
31#include "jdct.h"
32#include <machine/cpu-features.h>
33
34
35#if defined(NV_ARM_NEON) && defined(__ARM_HAVE_NEON)
36
37EXTERN(void) jsimd_ycc_rgba8888_convert_neon
38        JPP((JDIMENSION out_width,
39             JSAMPIMAGE input_buf, JDIMENSION input_row,
40             JSAMPARRAY output_buf, int num_rows));
41EXTERN(void) jsimd_ycc_rgb565_convert_neon
42        JPP((JDIMENSION out_width,
43             JSAMPIMAGE input_buf, JDIMENSION input_row,
44             JSAMPARRAY output_buf, int num_rows));
45
46EXTERN(void) jsimd_idct_ifast_neon JPP((void * dct_table,
47                                        JCOEFPTR coef_block,
48                                        JSAMPARRAY output_buf,
49                                        JDIMENSION output_col));
50
51EXTERN(void) jsimd_idct_2x2_neon JPP((void * dct_table,
52                                        JCOEFPTR coef_block,
53                                        JSAMPARRAY output_buf,
54                                        JDIMENSION output_col));
55
56EXTERN(void) jsimd_idct_4x4_neon JPP((void * dct_table,
57                                        JCOEFPTR coef_block,
58                                        JSAMPARRAY output_buf,
59                                        JDIMENSION output_col));
60
61GLOBAL(void)
62jsimd_ycc_rgba8888_convert (j_decompress_ptr cinfo,
63                       JSAMPIMAGE input_buf, JDIMENSION input_row,
64                       JSAMPARRAY output_buf, int num_rows)
65{
66    void (*neonfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
67
68    neonfct=jsimd_ycc_rgba8888_convert_neon;
69
70    neonfct(cinfo->output_width, input_buf,
71        input_row, output_buf, num_rows);
72}
73
74GLOBAL(void)
75jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo,
76                       JSAMPIMAGE input_buf, JDIMENSION input_row,
77                       JSAMPARRAY output_buf, int num_rows)
78{
79    void (*neonfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int);
80
81    neonfct=jsimd_ycc_rgb565_convert_neon;
82
83    neonfct(cinfo->output_width, input_buf,
84        input_row, output_buf, num_rows);
85}
86
87GLOBAL(void)
88jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr,
89                JCOEFPTR coef_block, JSAMPARRAY output_buf,
90                JDIMENSION output_col)
91{
92    jsimd_idct_ifast_neon(compptr->dct_table, coef_block, output_buf, output_col);
93}
94
95
96GLOBAL(void)
97jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
98                JCOEFPTR coef_block, JSAMPARRAY output_buf,
99                JDIMENSION output_col)
100{
101    jsimd_idct_2x2_neon(compptr->dct_table, coef_block, output_buf, output_col);
102}
103
104GLOBAL(void)
105jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
106                JCOEFPTR coef_block, JSAMPARRAY output_buf,
107                JDIMENSION output_col)
108{
109    jsimd_idct_4x4_neon(compptr->dct_table, coef_block, output_buf, output_col);
110}
111
112
113GLOBAL(int)
114cap_neon_idct_2x2 (void)
115{
116  if (  (DCTSIZE != 8)              ||
117        (sizeof(JCOEF) != 2)        ||
118        (BITS_IN_JSAMPLE != 8)      ||
119        (sizeof(JDIMENSION) != 4)   ||
120        (sizeof(ISLOW_MULT_TYPE) != 2))
121    return 0;
122
123    return 1;
124}
125
126GLOBAL(int)
127cap_neon_idct_4x4 (void)
128{
129
130  if (  (DCTSIZE != 8)              ||
131        (sizeof(JCOEF) != 2)        ||
132        (BITS_IN_JSAMPLE != 8)      ||
133        (sizeof(JDIMENSION) != 4)   ||
134        (sizeof(ISLOW_MULT_TYPE) != 2))
135    return 0;
136
137    return 1;
138}
139
140GLOBAL(int)
141cap_neon_idct_ifast (void)
142{
143
144  if (  (DCTSIZE != 8)                  ||
145        (sizeof(JCOEF) != 2)            ||
146        (BITS_IN_JSAMPLE != 8)          ||
147        (sizeof(JDIMENSION) != 4)       ||
148        (sizeof(IFAST_MULT_TYPE) != 2)  ||
149        (IFAST_SCALE_BITS != 2))
150    return 0;
151
152    return 1;
153
154}
155
156GLOBAL(int)
157cap_neon_ycc_rgb (void)
158{
159
160  if(   (BITS_IN_JSAMPLE != 8)                          ||
161        (sizeof(JDIMENSION) != 4)                       ||
162        ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)))
163    return 0;
164
165    return 1;
166}
167
168#endif
169
170
171