source: trunk/src/gui/painting/qmemrotate.cpp@ 651

Last change on this file since 651 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.
File size: 24.1 KB
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1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "private/qmemrotate_p.h"
43
44QT_BEGIN_NAMESPACE
45
46#if QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
47static const int tileSize = 32;
48#endif
49
50#if Q_BYTE_ORDER == Q_BIG_ENDIAN
51#if QT_ROTATION_ALGORITHM == QT_ROTATION_PACKED || QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
52#error Big endian version not implemented for the transformed driver!
53#endif
54#endif
55
56template <class DST, class SRC>
57Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate90_cachedRead(const SRC *src, int w, int h,
58 int sstride,
59 DST *dest, int dstride)
60{
61 const char *s = reinterpret_cast<const char*>(src);
62 char *d = reinterpret_cast<char*>(dest);
63 for (int y = 0; y < h; ++y) {
64 for (int x = w - 1; x >= 0; --x) {
65 DST *destline = reinterpret_cast<DST*>(d + (w - x - 1) * dstride);
66 destline[y] = qt_colorConvert<DST,SRC>(src[x], 0);
67 }
68 s += sstride;
69 src = reinterpret_cast<const SRC*>(s);
70 }
71}
72
73template <class DST, class SRC>
74Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate270_cachedRead(const SRC *src, int w, int h,
75 int sstride,
76 DST *dest, int dstride)
77{
78 const char *s = reinterpret_cast<const char*>(src);
79 char *d = reinterpret_cast<char*>(dest);
80 s += (h - 1) * sstride;
81 for (int y = h - 1; y >= 0; --y) {
82 src = reinterpret_cast<const SRC*>(s);
83 for (int x = 0; x < w; ++x) {
84 DST *destline = reinterpret_cast<DST*>(d + x * dstride);
85 destline[h - y - 1] = qt_colorConvert<DST,SRC>(src[x], 0);
86 }
87 s -= sstride;
88 }
89}
90
91#if QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDWRITE
92
93template <class DST, class SRC>
94Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate90_cachedWrite(const SRC *src, int w, int h,
95 int sstride,
96 DST *dest, int dstride)
97{
98 for (int x = w - 1; x >= 0; --x) {
99 DST *d = dest + (w - x - 1) * dstride;
100 for (int y = 0; y < h; ++y) {
101 *d++ = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
102 }
103 }
104
105}
106
107template <class DST, class SRC>
108Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate270_cachedWrite(const SRC *src, int w, int h,
109 int sstride,
110 DST *dest, int dstride)
111{
112 for (int x = 0; x < w; ++x) {
113 DST *d = dest + x * dstride;
114 for (int y = h - 1; y >= 0; --y) {
115 *d++ = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
116 }
117 }
118}
119
120#endif // QT_ROTATION_CACHEDWRITE
121
122#if QT_ROTATION_ALGORITHM == QT_ROTATION_PACKING
123
124// TODO: packing algorithms should probably be modified on 64-bit architectures
125
126template <class DST, class SRC>
127Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate90_packing(const SRC *src, int w, int h,
128 int sstride,
129 DST *dest, int dstride)
130{
131 sstride /= sizeof(SRC);
132 dstride /= sizeof(DST);
133
134 const int pack = sizeof(quint32) / sizeof(DST);
135 const int unaligned = int((long(dest) & (sizeof(quint32)-1))) / sizeof(DST);
136
137 for (int x = w - 1; x >= 0; --x) {
138 int y = 0;
139
140 for (int i = 0; i < unaligned; ++i) {
141 dest[(w - x - 1) * dstride + y]
142 = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
143 ++y;
144 }
145
146 quint32 *d = reinterpret_cast<quint32*>(dest + (w - x - 1) * dstride
147 + unaligned);
148 const int rest = (h - unaligned) % pack;
149 while (y < h - rest) {
150 quint32 c = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
151 for (int i = 1; i < pack; ++i) {
152 c |= qt_colorConvert<DST,SRC>(src[(y + i) * sstride + x], 0)
153 << (sizeof(int) * 8 / pack * i);
154 }
155 *d++ = c;
156 y += pack;
157 }
158
159 while (y < h) {
160 dest[(w - x - 1) * dstride + y]
161 = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
162 ++y;
163 }
164 }
165}
166
167template <class DST, class SRC>
168Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate270_packing(const SRC *src, int w, int h,
169 int sstride,
170 DST *dest, int dstride)
171{
172 sstride /= sizeof(SRC);
173 dstride /= sizeof(DST);
174
175 const int pack = sizeof(quint32) / sizeof(DST);
176 const int unaligned = int((long(dest) & (sizeof(quint32)-1))) / sizeof(DST);
177
178 for (int x = 0; x < w; ++x) {
179 int y = h - 1;
180
181 for (int i = 0; i < unaligned; ++i) {
182 dest[x * dstride + h - y - 1]
183 = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
184 --y;
185 }
186
187 quint32 *d = reinterpret_cast<quint32*>(dest + x * dstride
188 + unaligned);
189 const int rest = (h - unaligned) % pack;
190 while (y > rest) {
191 quint32 c = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
192 for (int i = 1; i < pack; ++i) {
193 c |= qt_colorConvert<DST,SRC>(src[(y - i) * sstride + x], 0)
194 << (sizeof(int) * 8 / pack * i);
195 }
196 *d++ = c;
197 y -= pack;
198 }
199 while (y >= 0) {
200 dest[x * dstride + h - y - 1]
201 = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
202 --y;
203 }
204 }
205}
206
207#endif // QT_ROTATION_PACKING
208
209#if QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
210template <class DST, class SRC>
211Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate90_tiled(const SRC *src, int w, int h,
212 int sstride,
213 DST *dest, int dstride)
214{
215 sstride /= sizeof(SRC);
216 dstride /= sizeof(DST);
217
218 const int pack = sizeof(quint32) / sizeof(DST);
219 const int unaligned =
220 qMin(uint((quintptr(dest) & (sizeof(quint32)-1)) / sizeof(DST)), uint(h));
221 const int restX = w % tileSize;
222 const int restY = (h - unaligned) % tileSize;
223 const int unoptimizedY = restY % pack;
224 const int numTilesX = w / tileSize + (restX > 0);
225 const int numTilesY = (h - unaligned) / tileSize + (restY >= pack);
226
227 for (int tx = 0; tx < numTilesX; ++tx) {
228 const int startx = w - tx * tileSize - 1;
229 const int stopx = qMax(startx - tileSize, 0);
230
231 if (unaligned) {
232 for (int x = startx; x >= stopx; --x) {
233 DST *d = dest + (w - x - 1) * dstride;
234 for (int y = 0; y < unaligned; ++y) {
235 *d++ = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
236 }
237 }
238 }
239
240 for (int ty = 0; ty < numTilesY; ++ty) {
241 const int starty = ty * tileSize + unaligned;
242 const int stopy = qMin(starty + tileSize, h - unoptimizedY);
243
244 for (int x = startx; x >= stopx; --x) {
245 quint32 *d = reinterpret_cast<quint32*>(dest + (w - x - 1) * dstride + starty);
246 for (int y = starty; y < stopy; y += pack) {
247 quint32 c = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
248 for (int i = 1; i < pack; ++i) {
249 const int shift = (sizeof(int) * 8 / pack * i);
250 const DST color = qt_colorConvert<DST,SRC>(src[(y + i) * sstride + x], 0);
251 c |= color << shift;
252 }
253 *d++ = c;
254 }
255 }
256 }
257
258 if (unoptimizedY) {
259 const int starty = h - unoptimizedY;
260 for (int x = startx; x >= stopx; --x) {
261 DST *d = dest + (w - x - 1) * dstride + starty;
262 for (int y = starty; y < h; ++y) {
263 *d++ = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
264 }
265 }
266 }
267 }
268}
269
270template <class DST, class SRC>
271Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate90_tiled_unpacked(const SRC *src, int w, int h,
272 int sstride,
273 DST *dest, int dstride)
274{
275 const int numTilesX = (w + tileSize - 1) / tileSize;
276 const int numTilesY = (h + tileSize - 1) / tileSize;
277
278 for (int tx = 0; tx < numTilesX; ++tx) {
279 const int startx = w - tx * tileSize - 1;
280 const int stopx = qMax(startx - tileSize, 0);
281
282 for (int ty = 0; ty < numTilesY; ++ty) {
283 const int starty = ty * tileSize;
284 const int stopy = qMin(starty + tileSize, h);
285
286 for (int x = startx; x >= stopx; --x) {
287 DST *d = (DST*)((char*)dest + (w - x - 1) * dstride) + starty;
288 const char *s = (const char*)(src + x) + starty * sstride;
289 for (int y = starty; y < stopy; ++y) {
290 *d++ = qt_colorConvert<DST,SRC>(*(const SRC*)(s), 0);
291 s += sstride;
292 }
293 }
294 }
295 }
296}
297
298template <class DST, class SRC>
299Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate270_tiled(const SRC *src, int w, int h,
300 int sstride,
301 DST *dest, int dstride)
302{
303 sstride /= sizeof(SRC);
304 dstride /= sizeof(DST);
305
306 const int pack = sizeof(quint32) / sizeof(DST);
307 const int unaligned =
308 qMin(uint((long(dest) & (sizeof(quint32)-1)) / sizeof(DST)), uint(h));
309 const int restX = w % tileSize;
310 const int restY = (h - unaligned) % tileSize;
311 const int unoptimizedY = restY % pack;
312 const int numTilesX = w / tileSize + (restX > 0);
313 const int numTilesY = (h - unaligned) / tileSize + (restY >= pack);
314
315 for (int tx = 0; tx < numTilesX; ++tx) {
316 const int startx = tx * tileSize;
317 const int stopx = qMin(startx + tileSize, w);
318
319 if (unaligned) {
320 for (int x = startx; x < stopx; ++x) {
321 DST *d = dest + x * dstride;
322 for (int y = h - 1; y >= h - unaligned; --y) {
323 *d++ = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
324 }
325 }
326 }
327
328 for (int ty = 0; ty < numTilesY; ++ty) {
329 const int starty = h - 1 - unaligned - ty * tileSize;
330 const int stopy = qMax(starty - tileSize, unoptimizedY);
331
332 for (int x = startx; x < stopx; ++x) {
333 quint32 *d = reinterpret_cast<quint32*>(dest + x * dstride
334 + h - 1 - starty);
335 for (int y = starty; y > stopy; y -= pack) {
336 quint32 c = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
337 for (int i = 1; i < pack; ++i) {
338 const int shift = (sizeof(int) * 8 / pack * i);
339 const DST color = qt_colorConvert<DST,SRC>(src[(y - i) * sstride + x], 0);
340 c |= color << shift;
341 }
342 *d++ = c;
343 }
344 }
345 }
346 if (unoptimizedY) {
347 const int starty = unoptimizedY - 1;
348 for (int x = startx; x < stopx; ++x) {
349 DST *d = dest + x * dstride + h - 1 - starty;
350 for (int y = starty; y >= 0; --y) {
351 *d++ = qt_colorConvert<DST,SRC>(src[y * sstride + x], 0);
352 }
353 }
354 }
355 }
356}
357
358template <class DST, class SRC>
359Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate270_tiled_unpacked(const SRC *src, int w, int h,
360 int sstride,
361 DST *dest, int dstride)
362{
363 const int numTilesX = (w + tileSize - 1) / tileSize;
364 const int numTilesY = (h + tileSize - 1) / tileSize;
365
366 for (int tx = 0; tx < numTilesX; ++tx) {
367 const int startx = tx * tileSize;
368 const int stopx = qMin(startx + tileSize, w);
369
370 for (int ty = 0; ty < numTilesY; ++ty) {
371 const int starty = h - 1 - ty * tileSize;
372 const int stopy = qMax(starty - tileSize, 0);
373
374 for (int x = startx; x < stopx; ++x) {
375 DST *d = (DST*)((char*)dest + x * dstride) + h - 1 - starty;
376 const char *s = (const char*)(src + x) + starty * sstride;
377 for (int y = starty; y >= stopy; --y) {
378 *d++ = qt_colorConvert<DST,SRC>(*(const SRC*)s, 0);
379 s -= sstride;
380 }
381 }
382 }
383 }
384}
385
386#endif // QT_ROTATION_ALGORITHM
387
388template <class DST, class SRC>
389Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate90_template(const SRC *src,
390 int srcWidth, int srcHeight, int srcStride,
391 DST *dest, int dstStride)
392{
393#if QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDREAD
394 qt_memrotate90_cachedRead<DST,SRC>(src, srcWidth, srcHeight, srcStride,
395 dest, dstStride);
396#elif QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDWRITE
397 qt_memrotate90_cachedWrite<DST,SRC>(src, srcWidth, srcHeight, srcStride,
398 dest, dstStride);
399#elif QT_ROTATION_ALGORITHM == QT_ROTATION_PACKING
400 qt_memrotate90_packing<DST,SRC>(src, srcWidth, srcHeight, srcStride,
401 dest, dstStride);
402#elif QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
403 qt_memrotate90_tiled<DST,SRC>(src, srcWidth, srcHeight, srcStride,
404 dest, dstStride);
405#endif
406}
407
408template <class DST, class SRC>
409Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate180_template(const SRC *src,
410 int w, int h, int sstride,
411 DST *dest, int dstride)
412{
413 const char *s = (const char*)(src) + (h - 1) * sstride;
414 for (int y = h - 1; y >= 0; --y) {
415 DST *d = reinterpret_cast<DST*>((char *)(dest) + (h - y - 1) * dstride);
416 src = reinterpret_cast<const SRC*>(s);
417 for (int x = w - 1; x >= 0; --x) {
418 d[w - x - 1] = qt_colorConvert<DST,SRC>(src[x], 0);
419 }
420 s -= sstride;
421 }
422}
423
424template <class DST, class SRC>
425Q_STATIC_TEMPLATE_FUNCTION inline void qt_memrotate270_template(const SRC *src,
426 int srcWidth, int srcHeight, int srcStride,
427 DST *dest, int dstStride)
428{
429#if QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDREAD
430 qt_memrotate270_cachedRead<DST,SRC>(src, srcWidth, srcHeight, srcStride,
431 dest, dstStride);
432#elif QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDWRITE
433 qt_memrotate270_cachedWrite<DST,SRC>(src, srcWidth, srcHeight, srcStride,
434 dest, dstStride);
435#elif QT_ROTATION_ALGORITHM == QT_ROTATION_PACKING
436 qt_memrotate270_packing<DST,SRC>(src, srcWidth, srcHeight, srcStride,
437 dest, dstStride);
438#elif QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
439 qt_memrotate270_tiled_unpacked<DST,SRC>(src, srcWidth, srcHeight,
440 srcStride,
441 dest, dstStride);
442#endif
443}
444
445template <>
446Q_STATIC_TEMPLATE_SPECIALIZATION
447inline void qt_memrotate90_template<quint24, quint24>(const quint24 *src,
448 int srcWidth, int srcHeight, int srcStride,
449 quint24 *dest, int dstStride)
450{
451#if QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDREAD
452 qt_memrotate90_cachedRead<quint24,quint24>(src, srcWidth, srcHeight,
453 srcStride, dest, dstStride);
454#elif QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDWRITE
455 qt_memrotate90_cachedWrite<quint24,quint24>(src, srcWidth, srcHeight,
456 srcStride, dest, dstStride);
457#elif QT_ROTATION_ALGORITHM == QT_ROTATION_PACKING
458 // packed algorithm not implemented
459 qt_memrotate90_cachedRead<quint24,quint24>(src, srcWidth, srcHeight,
460 srcStride, dest, dstStride);
461#elif QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
462 // packed algorithm not implemented
463 qt_memrotate90_tiled_unpacked<quint24,quint24>(src, srcWidth, srcHeight,
464 srcStride, dest, dstStride);
465#endif
466}
467
468template <>
469Q_STATIC_TEMPLATE_SPECIALIZATION
470inline void qt_memrotate90_template<quint24, quint32>(const quint32 *src,
471 int srcWidth, int srcHeight, int srcStride,
472 quint24 *dest, int dstStride)
473{
474#if QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDREAD
475 qt_memrotate90_cachedRead<quint24,quint32>(src, srcWidth, srcHeight,
476 srcStride, dest, dstStride);
477#elif QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDWRITE
478 qt_memrotate90_cachedWrite<quint24,quint32>(src, srcWidth, srcHeight,
479 srcStride, dest, dstStride);
480#elif QT_ROTATION_ALGORITHM == QT_ROTATION_PACKING
481 // packed algorithm not implemented
482 qt_memrotate90_cachedRead<quint24,quint32>(src, srcWidth, srcHeight,
483 srcStride, dest, dstStride);
484#elif QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
485 // packed algorithm not implemented
486 qt_memrotate90_tiled_unpacked<quint24,quint32>(src, srcWidth, srcHeight,
487 srcStride, dest, dstStride);
488#endif
489}
490
491template <>
492Q_STATIC_TEMPLATE_SPECIALIZATION
493inline void qt_memrotate90_template<quint18, quint32>(const quint32 *src,
494 int srcWidth, int srcHeight, int srcStride,
495 quint18 *dest, int dstStride)
496{
497#if QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDREAD
498 qt_memrotate90_cachedRead<quint18,quint32>(src, srcWidth, srcHeight,
499 srcStride, dest, dstStride);
500#elif QT_ROTATION_ALGORITHM == QT_ROTATION_CACHEDWRITE
501 qt_memrotate90_cachedWrite<quint18,quint32>(src, srcWidth, srcHeight,
502 srcStride, dest, dstStride);
503#elif QT_ROTATION_ALGORITHM == QT_ROTATION_PACKING
504 // packed algorithm not implemented
505 qt_memrotate90_cachedRead<quint18,quint32>(src, srcWidth, srcHeight,
506 srcStride, dest, dstStride);
507#elif QT_ROTATION_ALGORITHM == QT_ROTATION_TILED
508 // packed algorithm not implemented
509 qt_memrotate90_tiled_unpacked<quint18,quint32>(src, srcWidth, srcHeight,
510 srcStride, dest, dstStride);
511#endif
512}
513
514#define QT_IMPL_MEMROTATE(srctype, desttype) \
515void qt_memrotate90(const srctype *src, int w, int h, int sstride, \
516 desttype *dest, int dstride) \
517{ \
518 qt_memrotate90_template(src, w, h, sstride, dest, dstride); \
519} \
520void qt_memrotate180(const srctype *src, int w, int h, int sstride, \
521 desttype *dest, int dstride) \
522{ \
523 qt_memrotate180_template(src, w, h, sstride, dest, dstride); \
524} \
525void qt_memrotate270(const srctype *src, int w, int h, int sstride, \
526 desttype *dest, int dstride) \
527{ \
528 qt_memrotate270_template(src, w, h, sstride, dest, dstride); \
529}
530
531#define QT_IMPL_SIMPLE_MEMROTATE(srctype, desttype) \
532void qt_memrotate90(const srctype *src, int w, int h, int sstride, \
533 desttype *dest, int dstride) \
534{ \
535 qt_memrotate90_tiled_unpacked<desttype,srctype>(src, w, h, sstride, dest, dstride); \
536} \
537void qt_memrotate180(const srctype *src, int w, int h, int sstride, \
538 desttype *dest, int dstride) \
539{ \
540 qt_memrotate180_template(src, w, h, sstride, dest, dstride); \
541} \
542void qt_memrotate270(const srctype *src, int w, int h, int sstride, \
543 desttype *dest, int dstride) \
544{ \
545 qt_memrotate270_tiled_unpacked<desttype,srctype>(src, w, h, sstride, dest, dstride); \
546}
547
548
549
550
551QT_IMPL_MEMROTATE(quint32, quint32)
552QT_IMPL_MEMROTATE(quint32, quint16)
553QT_IMPL_MEMROTATE(quint16, quint32)
554QT_IMPL_MEMROTATE(quint16, quint16)
555QT_IMPL_MEMROTATE(quint24, quint24)
556QT_IMPL_MEMROTATE(quint32, quint24)
557QT_IMPL_MEMROTATE(quint32, quint18)
558QT_IMPL_MEMROTATE(quint32, quint8)
559QT_IMPL_MEMROTATE(quint16, quint8)
560QT_IMPL_MEMROTATE(qrgb444, quint8)
561QT_IMPL_MEMROTATE(quint8, quint8)
562
563#if defined(QT_QWS_ROTATE_BGR)
564QT_IMPL_SIMPLE_MEMROTATE(quint16, qbgr565)
565QT_IMPL_SIMPLE_MEMROTATE(quint32, qbgr565)
566QT_IMPL_SIMPLE_MEMROTATE(qrgb555, qbgr555)
567QT_IMPL_SIMPLE_MEMROTATE(quint32, qbgr555)
568#endif
569
570#ifdef QT_QWS_DEPTH_GENERIC
571QT_IMPL_MEMROTATE(quint32, qrgb_generic16)
572QT_IMPL_MEMROTATE(quint16, qrgb_generic16)
573#endif
574
575struct qrgb_gl_rgba
576{
577public:
578 inline qrgb_gl_rgba(quint32 v) {
579 if (QSysInfo::ByteOrder == QSysInfo::LittleEndian)
580 data = ((v << 16) & 0xff0000) | ((v >> 16) & 0xff) | (v & 0xff00ff00);
581 else
582 data = (v << 8) | ((v >> 24) & 0xff);
583 }
584
585 inline operator quint32() const { return data; }
586
587private:
588 quint32 data;
589} Q_PACKED;
590
591void Q_GUI_EXPORT qt_memrotate90_gl(const quint32 *src, int srcWidth, int srcHeight, int srcStride,
592 quint32 *dest, int dstStride)
593{
594 qt_memrotate90_template(src, srcWidth, srcHeight, srcStride, reinterpret_cast<qrgb_gl_rgba *>(dest), dstStride);
595}
596
597QT_END_NAMESPACE
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