Coverage Report

Created: 2025-07-01 06:46

/src/FreeRDP/libfreerdp/codec/sse/nsc_sse2.c
Line
Count
Source (jump to first uncovered line)
1
/**
2
 * FreeRDP: A Remote Desktop Protocol Implementation
3
 * NSCodec Library - SSE2 Optimizations
4
 *
5
 * Copyright 2012 Vic Lee
6
 *
7
 * Licensed under the Apache License, Version 2.0 (the "License");
8
 * you may not use this file except in compliance with the License.
9
 * You may obtain a copy of the License at
10
 *
11
 *     http://www.apache.org/licenses/LICENSE-2.0
12
 *
13
 * Unless required by applicable law or agreed to in writing, software
14
 * distributed under the License is distributed on an "AS IS" BASIS,
15
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16
 * See the License for the specific language governing permissions and
17
 * limitations under the License.
18
 */
19
20
#include <winpr/assert.h>
21
#include <winpr/cast.h>
22
#include <winpr/platform.h>
23
#include <freerdp/config.h>
24
25
#include "../nsc_types.h"
26
#include "nsc_sse2.h"
27
28
#include "../../core/simd.h"
29
#include "../../primitives/sse/prim_avxsse.h"
30
31
#if defined(SSE_AVX_INTRINSICS_ENABLED)
32
#include <stdio.h>
33
#include <stdlib.h>
34
#include <string.h>
35
36
#include <xmmintrin.h>
37
#include <emmintrin.h>
38
39
#include <freerdp/codec/color.h>
40
#include <winpr/crt.h>
41
#include <winpr/sysinfo.h>
42
43
static inline size_t nsc_encode_next_rgba(UINT32 format, const BYTE* src, const BYTE* palette,
44
                                          __m128i* r_val, __m128i* g_val, __m128i* b_val,
45
                                          __m128i* a_val)
46
0
{
47
0
  switch (format)
48
0
  {
49
0
    case PIXEL_FORMAT_BGRX32:
50
0
      *b_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16), *(src + 12),
51
0
                             *(src + 8), *(src + 4), *src);
52
0
      *g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17), *(src + 13),
53
0
                             *(src + 9), *(src + 5), *(src + 1));
54
0
      *r_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18), *(src + 14),
55
0
                             *(src + 10), *(src + 6), *(src + 2));
56
0
      *a_val = _mm_set1_epi16(0xFF);
57
0
      return 32;
58
59
0
    case PIXEL_FORMAT_BGRA32:
60
0
      *b_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16), *(src + 12),
61
0
                             *(src + 8), *(src + 4), *src);
62
0
      *g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17), *(src + 13),
63
0
                             *(src + 9), *(src + 5), *(src + 1));
64
0
      *r_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18), *(src + 14),
65
0
                             *(src + 10), *(src + 6), *(src + 2));
66
0
      *a_val = _mm_set_epi16(*(src + 31), *(src + 27), *(src + 23), *(src + 19), *(src + 15),
67
0
                             *(src + 11), *(src + 7), *(src + 3));
68
0
      return 32;
69
70
0
    case PIXEL_FORMAT_RGBX32:
71
0
      *r_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16), *(src + 12),
72
0
                             *(src + 8), *(src + 4), *src);
73
0
      *g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17), *(src + 13),
74
0
                             *(src + 9), *(src + 5), *(src + 1));
75
0
      *b_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18), *(src + 14),
76
0
                             *(src + 10), *(src + 6), *(src + 2));
77
0
      *a_val = _mm_set1_epi16(0xFF);
78
0
      return 32;
79
80
0
    case PIXEL_FORMAT_RGBA32:
81
0
      *r_val = _mm_set_epi16(*(src + 28), *(src + 24), *(src + 20), *(src + 16), *(src + 12),
82
0
                             *(src + 8), *(src + 4), *src);
83
0
      *g_val = _mm_set_epi16(*(src + 29), *(src + 25), *(src + 21), *(src + 17), *(src + 13),
84
0
                             *(src + 9), *(src + 5), *(src + 1));
85
0
      *b_val = _mm_set_epi16(*(src + 30), *(src + 26), *(src + 22), *(src + 18), *(src + 14),
86
0
                             *(src + 10), *(src + 6), *(src + 2));
87
0
      *a_val = _mm_set_epi16(*(src + 31), *(src + 27), *(src + 23), *(src + 19), *(src + 15),
88
0
                             *(src + 11), *(src + 7), *(src + 3));
89
0
      return 32;
90
91
0
    case PIXEL_FORMAT_BGR24:
92
0
      *b_val = _mm_set_epi16(*(src + 21), *(src + 18), *(src + 15), *(src + 12), *(src + 9),
93
0
                             *(src + 6), *(src + 3), *src);
94
0
      *g_val = _mm_set_epi16(*(src + 22), *(src + 19), *(src + 16), *(src + 13), *(src + 10),
95
0
                             *(src + 7), *(src + 4), *(src + 1));
96
0
      *r_val = _mm_set_epi16(*(src + 23), *(src + 20), *(src + 17), *(src + 14), *(src + 11),
97
0
                             *(src + 8), *(src + 5), *(src + 2));
98
0
      *a_val = _mm_set1_epi16(0xFF);
99
0
      return 24;
100
101
0
    case PIXEL_FORMAT_RGB24:
102
0
      *r_val = _mm_set_epi16(*(src + 21), *(src + 18), *(src + 15), *(src + 12), *(src + 9),
103
0
                             *(src + 6), *(src + 3), *src);
104
0
      *g_val = _mm_set_epi16(*(src + 22), *(src + 19), *(src + 16), *(src + 13), *(src + 10),
105
0
                             *(src + 7), *(src + 4), *(src + 1));
106
0
      *b_val = _mm_set_epi16(*(src + 23), *(src + 20), *(src + 17), *(src + 14), *(src + 11),
107
0
                             *(src + 8), *(src + 5), *(src + 2));
108
0
      *a_val = _mm_set1_epi16(0xFF);
109
0
      return 24;
110
111
0
    case PIXEL_FORMAT_BGR16:
112
0
      *b_val = _mm_set_epi16(
113
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 15)) & 0xF8) | ((*(src + 15)) >> 5)),
114
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 13)) & 0xF8) | ((*(src + 13)) >> 5)),
115
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 11)) & 0xF8) | ((*(src + 11)) >> 5)),
116
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 9)) & 0xF8) | ((*(src + 9)) >> 5)),
117
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 7)) & 0xF8) | ((*(src + 7)) >> 5)),
118
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 5)) & 0xF8) | ((*(src + 5)) >> 5)),
119
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 3)) & 0xF8) | ((*(src + 3)) >> 5)),
120
0
          WINPR_ASSERTING_INT_CAST(INT16, ((*(src + 1)) & 0xF8) | ((*(src + 1)) >> 5)));
121
0
      *g_val =
122
0
          _mm_set_epi16(WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 15)) & 0x07) << 5) |
123
0
                                                            (((*(src + 14)) & 0xE0) >> 3)),
124
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 13)) & 0x07) << 5) |
125
0
                                                            (((*(src + 12)) & 0xE0) >> 3)),
126
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 11)) & 0x07) << 5) |
127
0
                                                            (((*(src + 10)) & 0xE0) >> 3)),
128
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 9)) & 0x07) << 5) |
129
0
                                                            (((*(src + 8)) & 0xE0) >> 3)),
130
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 7)) & 0x07) << 5) |
131
0
                                                            (((*(src + 6)) & 0xE0) >> 3)),
132
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 5)) & 0x07) << 5) |
133
0
                                                            (((*(src + 4)) & 0xE0) >> 3)),
134
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 3)) & 0x07) << 5) |
135
0
                                                            (((*(src + 2)) & 0xE0) >> 3)),
136
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 1)) & 0x07) << 5) |
137
0
                                                            (((*src) & 0xE0) >> 3)));
138
0
      *r_val = _mm_set_epi16(
139
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 14)) & 0x1F) << 3) |
140
0
                                              (((*(src + 14)) >> 2) & 0x07)),
141
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 12)) & 0x1F) << 3) |
142
0
                                              (((*(src + 12)) >> 2) & 0x07)),
143
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 10)) & 0x1F) << 3) |
144
0
                                              (((*(src + 10)) >> 2) & 0x07)),
145
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 8)) & 0x1F) << 3) |
146
0
                                              (((*(src + 8)) >> 2) & 0x07)),
147
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 6)) & 0x1F) << 3) |
148
0
                                              (((*(src + 6)) >> 2) & 0x07)),
149
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 4)) & 0x1F) << 3) |
150
0
                                              (((*(src + 4)) >> 2) & 0x07)),
151
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 2)) & 0x1F) << 3) |
152
0
                                              (((*(src + 2)) >> 2) & 0x07)),
153
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*src) & 0x1F) << 3) | (((*src) >> 2) & 0x07)));
154
0
      *a_val = _mm_set1_epi16(0xFF);
155
0
      return 16;
156
157
0
    case PIXEL_FORMAT_RGB16:
158
0
      *r_val =
159
0
          _mm_set_epi16(WINPR_ASSERTING_INT_CAST(INT16, ((src[15] & 0xF8) | (src[15] >> 5))),
160
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[13] & 0xF8) | (src[13] >> 5))),
161
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[11] & 0xF8) | (src[11] >> 5))),
162
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[9] & 0xF8) | (src[9] >> 5))),
163
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[7] & 0xF8) | (src[7] >> 5))),
164
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[5] & 0xF8) | (src[5] >> 5))),
165
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[3] & 0xF8) | (src[3] >> 5))),
166
0
                        WINPR_ASSERTING_INT_CAST(INT16, ((src[1] & 0xF8) | (src[1] >> 5))));
167
0
      *g_val =
168
0
          _mm_set_epi16(WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 15)) & 0x07) << 5) |
169
0
                                                            (((*(src + 14)) & 0xE0) >> 3)),
170
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 13)) & 0x07) << 5) |
171
0
                                                            (((*(src + 12)) & 0xE0) >> 3)),
172
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 11)) & 0x07) << 5) |
173
0
                                                            (((*(src + 10)) & 0xE0) >> 3)),
174
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 9)) & 0x07) << 5) |
175
0
                                                            (((*(src + 8)) & 0xE0) >> 3)),
176
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 7)) & 0x07) << 5) |
177
0
                                                            (((*(src + 6)) & 0xE0) >> 3)),
178
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 5)) & 0x07) << 5) |
179
0
                                                            (((*(src + 4)) & 0xE0) >> 3)),
180
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 3)) & 0x07) << 5) |
181
0
                                                            (((*(src + 2)) & 0xE0) >> 3)),
182
0
                        WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 1)) & 0x07) << 5) |
183
0
                                                            (((*src) & 0xE0) >> 3)));
184
0
      *b_val = _mm_set_epi16(
185
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 14)) & 0x1F) << 3) |
186
0
                                              (((*(src + 14)) >> 2) & 0x07)),
187
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 12)) & 0x1F) << 3) |
188
0
                                              (((*(src + 12)) >> 2) & 0x07)),
189
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 10)) & 0x1F) << 3) |
190
0
                                              (((*(src + 10)) >> 2) & 0x07)),
191
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 8)) & 0x1F) << 3) |
192
0
                                              (((*(src + 8)) >> 2) & 0x07)),
193
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 6)) & 0x1F) << 3) |
194
0
                                              (((*(src + 6)) >> 2) & 0x07)),
195
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 4)) & 0x1F) << 3) |
196
0
                                              (((*(src + 4)) >> 2) & 0x07)),
197
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*(src + 2)) & 0x1F) << 3) |
198
0
                                              (((*(src + 2)) >> 2) & 0x07)),
199
0
          WINPR_ASSERTING_INT_CAST(INT16, (((*src) & 0x1F) << 3) | (((*src) >> 2) & 0x07)));
200
0
      *a_val = _mm_set1_epi16(0xFF);
201
0
      return 16;
202
203
0
    case PIXEL_FORMAT_A4:
204
0
    {
205
0
      BYTE idx[8] = { 0 };
206
207
0
      for (int shift = 7; shift >= 0; shift--)
208
0
      {
209
0
        idx[shift] = ((*src) >> shift) & 1;
210
0
        idx[shift] |= (((*(src + 1)) >> shift) & 1) << 1;
211
0
        idx[shift] |= (((*(src + 2)) >> shift) & 1) << 2;
212
0
        idx[shift] |= (((*(src + 3)) >> shift) & 1) << 3;
213
0
        idx[shift] *= 3;
214
0
      }
215
216
0
      *r_val =
217
0
          _mm_set_epi16(palette[idx[0]], palette[idx[1]], palette[idx[2]], palette[idx[3]],
218
0
                        palette[idx[4]], palette[idx[5]], palette[idx[6]], palette[idx[7]]);
219
0
      *g_val = _mm_set_epi16(palette[idx[0] + 1], palette[idx[1] + 1], palette[idx[2] + 1],
220
0
                             palette[idx[3] + 1], palette[idx[4] + 1], palette[idx[5] + 1],
221
0
                             palette[idx[6] + 1], palette[idx[7] + 1]);
222
0
      *b_val = _mm_set_epi16(palette[idx[0] + 2], palette[idx[1] + 2], palette[idx[2] + 2],
223
0
                             palette[idx[3] + 2], palette[idx[4] + 2], palette[idx[5] + 2],
224
0
                             palette[idx[6] + 2], palette[idx[7] + 2]);
225
0
      *a_val = _mm_set1_epi16(0xFF);
226
0
      return 4;
227
0
    }
228
229
0
    case PIXEL_FORMAT_RGB8:
230
0
    {
231
0
      *r_val = _mm_set_epi16(palette[(*(src + 7ULL)) * 3ULL], palette[(*(src + 6ULL)) * 3ULL],
232
0
                             palette[(*(src + 5ULL)) * 3ULL], palette[(*(src + 4ULL)) * 3ULL],
233
0
                             palette[(*(src + 3ULL)) * 3ULL], palette[(*(src + 2ULL)) * 3ULL],
234
0
                             palette[(*(src + 1ULL)) * 3ULL], palette[(*src) * 3ULL]);
235
0
      *g_val = _mm_set_epi16(
236
0
          palette[(*(src + 7ULL)) * 3ULL + 1ULL], palette[(*(src + 6ULL)) * 3ULL + 1ULL],
237
0
          palette[(*(src + 5ULL)) * 3ULL + 1ULL], palette[(*(src + 4ULL)) * 3ULL + 1ULL],
238
0
          palette[(*(src + 3ULL)) * 3ULL + 1ULL], palette[(*(src + 2ULL)) * 3ULL + 1ULL],
239
0
          palette[(*(src + 1ULL)) * 3ULL + 1ULL], palette[(*src) * 3ULL + 1ULL]);
240
0
      *b_val = _mm_set_epi16(
241
0
          palette[(*(src + 7ULL)) * 3ULL + 2ULL], palette[(*(src + 6ULL)) * 3ULL + 2ULL],
242
0
          palette[(*(src + 5ULL)) * 3ULL + 2ULL], palette[(*(src + 4ULL)) * 3ULL + 2ULL],
243
0
          palette[(*(src + 3ULL)) * 3ULL + 2ULL], palette[(*(src + 2ULL)) * 3ULL + 2ULL],
244
0
          palette[(*(src + 1ULL)) * 3ULL + 2ULL], palette[(*src) * 3ULL + 2ULL]);
245
0
      *a_val = _mm_set1_epi16(0xFF);
246
0
      return 8;
247
0
    }
248
249
0
    default:
250
0
      return 0;
251
0
  }
252
0
}
253
254
static BOOL nsc_encode_argb_to_aycocg_sse2(NSC_CONTEXT* context, const BYTE* data, UINT32 scanline)
255
0
{
256
0
  size_t y = 0;
257
258
0
  if (!context || !data || (scanline == 0))
259
0
    return FALSE;
260
261
0
  const UINT16 tempWidth = ROUND_UP_TO(context->width, 8);
262
0
  const UINT16 rw = (context->ChromaSubsamplingLevel > 0 ? tempWidth : context->width);
263
264
0
  const BYTE ccl = WINPR_ASSERTING_INT_CAST(BYTE, context->ColorLossLevel);
265
266
0
  for (; y < context->height; y++)
267
0
  {
268
0
    const BYTE* src = data + (context->height - 1 - y) * scanline;
269
0
    BYTE* yplane = context->priv->PlaneBuffers[0] + y * rw;
270
0
    BYTE* coplane = context->priv->PlaneBuffers[1] + y * rw;
271
0
    BYTE* cgplane = context->priv->PlaneBuffers[2] + y * rw;
272
0
    BYTE* aplane = context->priv->PlaneBuffers[3] + y * context->width;
273
274
0
    for (UINT16 x = 0; x < context->width; x += 8)
275
0
    {
276
0
      __m128i r_val = { 0 };
277
0
      __m128i g_val = { 0 };
278
0
      __m128i b_val = { 0 };
279
0
      __m128i a_val = { 0 };
280
281
0
      const size_t rc = nsc_encode_next_rgba(context->format, src, context->palette, &r_val,
282
0
                                             &g_val, &b_val, &a_val);
283
0
      src += rc;
284
285
0
      __m128i y_val = _mm_srai_epi16(r_val, 2);
286
0
      y_val = _mm_add_epi16(y_val, _mm_srai_epi16(g_val, 1));
287
0
      y_val = _mm_add_epi16(y_val, _mm_srai_epi16(b_val, 2));
288
0
      __m128i co_val = _mm_sub_epi16(r_val, b_val);
289
0
      co_val = _mm_srai_epi16(co_val, ccl);
290
0
      __m128i cg_val = _mm_sub_epi16(g_val, _mm_srai_epi16(r_val, 1));
291
0
      cg_val = _mm_sub_epi16(cg_val, _mm_srai_epi16(b_val, 1));
292
0
      cg_val = _mm_srai_epi16(cg_val, ccl);
293
0
      y_val = _mm_packus_epi16(y_val, y_val);
294
0
      STORE_SI128(yplane, y_val);
295
0
      co_val = _mm_packs_epi16(co_val, co_val);
296
0
      STORE_SI128(coplane, co_val);
297
0
      cg_val = _mm_packs_epi16(cg_val, cg_val);
298
0
      STORE_SI128(cgplane, cg_val);
299
0
      a_val = _mm_packus_epi16(a_val, a_val);
300
0
      STORE_SI128(aplane, a_val);
301
0
      yplane += 8;
302
0
      coplane += 8;
303
0
      cgplane += 8;
304
0
      aplane += 8;
305
0
    }
306
307
0
    if (context->ChromaSubsamplingLevel > 0 && (context->width % 2) == 1)
308
0
    {
309
0
      context->priv->PlaneBuffers[0][y * rw + context->width] =
310
0
          context->priv->PlaneBuffers[0][y * rw + context->width - 1];
311
0
      context->priv->PlaneBuffers[1][y * rw + context->width] =
312
0
          context->priv->PlaneBuffers[1][y * rw + context->width - 1];
313
0
      context->priv->PlaneBuffers[2][y * rw + context->width] =
314
0
          context->priv->PlaneBuffers[2][y * rw + context->width - 1];
315
0
    }
316
0
  }
317
318
0
  if (context->ChromaSubsamplingLevel > 0 && (y % 2) == 1)
319
0
  {
320
0
    BYTE* yplane = context->priv->PlaneBuffers[0] + y * rw;
321
0
    BYTE* coplane = context->priv->PlaneBuffers[1] + y * rw;
322
0
    BYTE* cgplane = context->priv->PlaneBuffers[2] + y * rw;
323
0
    CopyMemory(yplane, yplane - rw, rw);
324
0
    CopyMemory(coplane, coplane - rw, rw);
325
0
    CopyMemory(cgplane, cgplane - rw, rw);
326
0
  }
327
328
0
  return TRUE;
329
0
}
330
331
static void nsc_encode_subsampling_sse2(NSC_CONTEXT* context)
332
0
{
333
0
  BYTE* co_dst = NULL;
334
0
  BYTE* cg_dst = NULL;
335
0
  INT8* co_src0 = NULL;
336
0
  INT8* co_src1 = NULL;
337
0
  INT8* cg_src0 = NULL;
338
0
  INT8* cg_src1 = NULL;
339
0
  UINT32 tempWidth = 0;
340
0
  UINT32 tempHeight = 0;
341
0
  __m128i t;
342
0
  __m128i val;
343
0
  __m128i mask = _mm_set1_epi16(0xFF);
344
0
  tempWidth = ROUND_UP_TO(context->width, 8);
345
0
  tempHeight = ROUND_UP_TO(context->height, 2);
346
347
0
  for (size_t y = 0; y < tempHeight >> 1; y++)
348
0
  {
349
0
    co_dst = context->priv->PlaneBuffers[1] + y * (tempWidth >> 1);
350
0
    cg_dst = context->priv->PlaneBuffers[2] + y * (tempWidth >> 1);
351
0
    co_src0 = (INT8*)context->priv->PlaneBuffers[1] + (y << 1) * tempWidth;
352
0
    co_src1 = co_src0 + tempWidth;
353
0
    cg_src0 = (INT8*)context->priv->PlaneBuffers[2] + (y << 1) * tempWidth;
354
0
    cg_src1 = cg_src0 + tempWidth;
355
356
0
    for (UINT32 x = 0; x < tempWidth >> 1; x += 8)
357
0
    {
358
0
      t = LOAD_SI128(co_src0);
359
0
      t = _mm_avg_epu8(t, LOAD_SI128(co_src1));
360
0
      val = _mm_and_si128(_mm_srli_si128(t, 1), mask);
361
0
      val = _mm_avg_epu16(val, _mm_and_si128(t, mask));
362
0
      val = _mm_packus_epi16(val, val);
363
0
      STORE_SI128(co_dst, val);
364
0
      co_dst += 8;
365
0
      co_src0 += 16;
366
0
      co_src1 += 16;
367
0
      t = LOAD_SI128(cg_src0);
368
0
      t = _mm_avg_epu8(t, LOAD_SI128(cg_src1));
369
0
      val = _mm_and_si128(_mm_srli_si128(t, 1), mask);
370
0
      val = _mm_avg_epu16(val, _mm_and_si128(t, mask));
371
0
      val = _mm_packus_epi16(val, val);
372
0
      STORE_SI128(cg_dst, val);
373
0
      cg_dst += 8;
374
0
      cg_src0 += 16;
375
0
      cg_src1 += 16;
376
0
    }
377
0
  }
378
0
}
379
380
static BOOL nsc_encode_sse2(NSC_CONTEXT* WINPR_RESTRICT context, const BYTE* WINPR_RESTRICT data,
381
                            UINT32 scanline)
382
0
{
383
0
  if (!nsc_encode_argb_to_aycocg_sse2(context, data, scanline))
384
0
    return FALSE;
385
386
0
  if (context->ChromaSubsamplingLevel > 0)
387
0
    nsc_encode_subsampling_sse2(context);
388
389
0
  return TRUE;
390
0
}
391
#endif
392
393
void nsc_init_sse2_int(NSC_CONTEXT* WINPR_RESTRICT context)
394
0
{
395
0
#if defined(SSE_AVX_INTRINSICS_ENABLED)
396
0
  WLog_VRB(PRIM_TAG, "SSE2/SSE3 optimizations");
397
0
  PROFILER_RENAME(context->priv->prof_nsc_encode, "nsc_encode_sse2")
398
0
  context->encode = nsc_encode_sse2;
399
#else
400
  WLog_VRB(PRIM_TAG, "undefined WITH_SIMD or SSE2 intrinsics not available");
401
  WINPR_UNUSED(context);
402
#endif
403
0
}