qopenglframebufferobject.cpp

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2-
3-
4-
5void QOpenGLFramebufferObjectFormat::detach()-
6{-
7 if (d->ref.load() != 1) {-
8 QOpenGLFramebufferObjectFormatPrivate *newd-
9 = new QOpenGLFramebufferObjectFormatPrivate(d);-
10 if (!d->ref.deref())-
11 delete d;-
12 d = newd;-
13 }-
14}-
15QOpenGLFramebufferObjectFormat::QOpenGLFramebufferObjectFormat()-
16{-
17 d = new QOpenGLFramebufferObjectFormatPrivate;-
18}-
19-
20-
21-
22-
23-
24QOpenGLFramebufferObjectFormat::QOpenGLFramebufferObjectFormat(const QOpenGLFramebufferObjectFormat &other)-
25{-
26 d = other.d;-
27 d->ref.ref();-
28}-
29-
30-
31-
32-
33-
34QOpenGLFramebufferObjectFormat &QOpenGLFramebufferObjectFormat::operator=(const QOpenGLFramebufferObjectFormat &other)-
35{-
36 if (d != other.d) {-
37 other.d->ref.ref();-
38 if (!d->ref.deref())-
39 delete d;-
40 d = other.d;-
41 }-
42 return *this;-
43}-
44-
45-
46-
47-
48QOpenGLFramebufferObjectFormat::~QOpenGLFramebufferObjectFormat()-
49{-
50 if (!d->ref.deref())-
51 delete d;-
52}-
53void QOpenGLFramebufferObjectFormat::setSamples(int samples)-
54{-
55 detach();-
56 d->samples = samples;-
57}-
58int QOpenGLFramebufferObjectFormat::samples() const-
59{-
60 return d->samples;-
61}-
62void QOpenGLFramebufferObjectFormat::setMipmap(bool enabled)-
63{-
64 detach();-
65 d->mipmap = enabled;-
66}-
67-
68-
69-
70-
71-
72-
73bool QOpenGLFramebufferObjectFormat::mipmap() const-
74{-
75 return d->mipmap;-
76}-
77-
78-
79-
80-
81-
82-
83void QOpenGLFramebufferObjectFormat::setAttachment(QOpenGLFramebufferObject::Attachment attachment)-
84{-
85 detach();-
86 d->attachment = attachment;-
87}-
88-
89-
90-
91-
92-
93-
94-
95QOpenGLFramebufferObject::Attachment QOpenGLFramebufferObjectFormat::attachment() const-
96{-
97 return d->attachment;-
98}-
99-
100-
101-
102-
103-
104-
105-
106void QOpenGLFramebufferObjectFormat::setTextureTarget(GLenum target)-
107{-
108 detach();-
109 d->target = target;-
110}-
111GLenum QOpenGLFramebufferObjectFormat::textureTarget() const-
112{-
113 return d->target;-
114}-
115void QOpenGLFramebufferObjectFormat::setInternalTextureFormat(GLenum internalTextureFormat)-
116{-
117 detach();-
118 d->internal_format = internalTextureFormat;-
119}-
120GLenum QOpenGLFramebufferObjectFormat::internalTextureFormat() const-
121{-
122 return d->internal_format;-
123}-
124-
125-
126-
127-
128-
129bool QOpenGLFramebufferObjectFormat::operator==(const QOpenGLFramebufferObjectFormat& other) const-
130{-
131 if (d == other.d)-
132 return true;-
133 else-
134 return d->equals(other.d);-
135}-
136-
137-
138-
139-
140-
141bool QOpenGLFramebufferObjectFormat::operator!=(const QOpenGLFramebufferObjectFormat& other) const-
142{-
143 return !(*this == other);-
144}-
145-
146bool QOpenGLFramebufferObjectPrivate::checkFramebufferStatus(QOpenGLContext *ctx) const-
147{-
148 if (!ctx)-
149 return false;-
150 GLenum status = ctx->functions()->glCheckFramebufferStatus(0x8D40);-
151 switch(status) {-
152 case 0:-
153 case 0x8CD5:-
154 return true;-
155 case 0x8CDD:-
156 QMessageLogger(__FILE__, 377383, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Unsupported framebuffer format.");-
157 break;-
158 case 0x8CD6:-
159 QMessageLogger(__FILE__, 380386, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete attachment.");-
160 break;-
161 case 0x8CD7:-
162 QMessageLogger(__FILE__, 383389, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, missing attachment.");-
163 break;-
164 case 0x8CDB:-
165 QMessageLogger(__FILE__, 402408, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, missing draw buffer.");-
166 break;-
167-
168-
169 case 0x8CDC:-
170 QMessageLogger(__FILE__, 407413, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, missing read buffer.");-
171 break;-
172-
173-
174 case 0x8D56:-
175 QMessageLogger(__FILE__, 412418, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, attachments must have same number of samples per pixel.");-
176 break;-
177-
178 default:-
179 QMessageLogger(__FILE__, 416422, __PRETTY_FUNCTION__).debug() <<"QOpenGLFramebufferObject: An undefined error has occurred: "<< status;-
180 break;-
181 }-
182 return false;-
183}-
184-
185namespace-
186{-
187 void freeFramebufferFunc(QOpenGLFunctions *funcs, GLuint id)-
188 {-
189 funcs->glDeleteFramebuffers(1, &id);-
190 }-
191-
192 void freeRenderbufferFunc(QOpenGLFunctions *funcs, GLuint id)-
193 {-
194 funcs->glDeleteRenderbuffers(1, &id);-
195 }-
196-
197 void freeTextureFunc(QOpenGLFunctions *funcs, GLuint id)-
198 {-
199 funcs->glDeleteTextures(1, &id);-
200 }-
201}-
202-
203void QOpenGLFramebufferObjectPrivate::init(QOpenGLFramebufferObject *, const QSize &size,-
204 QOpenGLFramebufferObject::Attachment attachment,-
205 GLenum texture_target, GLenum internal_format,-
206 GLint samples, bool mipmap)-
207{-
208 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
209-
210 funcs.initializeOpenGLFunctions();-
211-
212 if (!funcs.hasOpenGLFeature(QOpenGLFunctions::Framebuffers))-
213 return;-
214-
215-
216 if (!funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)-
217 || !funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit)) {-
218 samples = 0;-
219 } else if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {-
220 GLint maxSamples;-
221 funcs.glGetIntegerv(0x8D57, &maxSamples);-
222 samples = qBound(0, int(samples), int(maxSamples));-
223 }-
224-
225 colorAttachments.append(ColorAttachment(size, internal_format));-
226-
227 dsSize = size;-
228-
229 samples = qMax(0, samples);-
230 requestedSamples = samples;-
231-
232 target = texture_target;-
233-
234 { while (QOpenGLContext::currentContext()->functions()->glGetError() != 0) {} };-
235 GLuint fbo = 0;-
236-
237 funcs.glGenFramebuffers(1, &fbo);-
238 funcs.glBindFramebuffer(0x8D40, fbo);-
239-
240 QOpenGLContextPrivate::get(ctx)->qgl_current_fbo_invalid = true;-
241-
242 { GLenum err = QOpenGLContext::currentContext()->functions()->glGetError(); if (err != 0) { QMessageLogger(__FILE__, 479485, __PRETTY_FUNCTION__).debug("[%s line %d] OpenGL Error: %d", __FILE__, 479485, (int)err); } };-
243-
244 format.setTextureTarget(target);-
245 format.setInternalTextureFormat(internal_format);-
246 format.setMipmap(mipmap);-
247-
248 if (samples == 0)-
249 initTexture(0);-
250 else-
251 initColorBuffer(0, &samples);-
252-
253 format.setSamples(int(samples));-
254-
255 initDepthStencilAttachments(ctx, attachment);-
256-
257 if (valid)-
258 fbo_guard = new QOpenGLSharedResourceGuard(ctx, fbo, freeFramebufferFunc);-
259 else-
260 funcs.glDeleteFramebuffers(1, &fbo);-
261-
262 { GLenum err = QOpenGLContext::currentContext()->functions()->glGetError(); if (err != 0) { QMessageLogger(__FILE__, 499505, __PRETTY_FUNCTION__).debug("[%s line %d] OpenGL Error: %d", __FILE__, 499505, (int)err); } };-
263}-
264-
265void QOpenGLFramebufferObjectPrivate::initTexture(int idx)-
266{-
267 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
268 GLuint texture = 0;-
269-
270 funcs.glGenTextures(1, &texture);-
271 funcs.glBindTexture(target, texture);-
272-
273 funcs.glTexParameteri(target, 0x2801, 0x2600);-
274 funcs.glTexParameteri(target, 0x2800, 0x2600);-
275 funcs.glTexParameteri(target, 0x2802, 0x812F);-
276 funcs.glTexParameteri(target, 0x2803, 0x812F);-
277-
278 ColorAttachment &color(colorAttachments[idx]);-
279-
280 GLuint pixelType = 0x1401;-
281 if (color.internalFormat == 0x8059 || color.internalFormat == 0x8052)-
282 pixelType = 0x8368;-
283-
284 funcs.glTexImage2D(target, 0, color.internalFormat, color.size.width(), color.size.height(), 0,-
285 0x1908, pixelType, __null);-
286 if (format.mipmap()) {-
287 int width = color.size.width();-
288 int height = color.size.height();-
289 int level = 0;-
290 while (width > 1 || height > 1) {-
291 width = qMax(1, width >> 1);-
292 height = qMax(1, height >> 1);-
293 ++level;-
294 funcs.glTexImage2D(target, level, color.internalFormat, width, height, 0,-
295 0x1908, pixelType, __null);-
296 }-
297 }-
298 funcs.glFramebufferTexture2D(0x8D40, 0x8CE0 + idx,-
299 target, texture, 0);-
300-
301 { GLenum err = QOpenGLContext::currentContext()->functions()->glGetError(); if (err != 0) { QMessageLogger(__FILE__, 538544, __PRETTY_FUNCTION__).debug("[%s line %d] OpenGL Error: %d", __FILE__, 538544, (int)err); } };-
302 funcs.glBindTexture(target, 0);-
303 valid = checkFramebufferStatus(ctx);-
304 if (valid) {-
305 color.guard = new QOpenGLSharedResourceGuard(ctx, texture, freeTextureFunc);-
306 } else {-
307 funcs.glDeleteTextures(1, &texture);-
308 }-
309}-
310-
311void QOpenGLFramebufferObjectPrivate::initColorBuffer(int idx, GLint *samples)-
312{-
313 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
314 GLuint color_buffer = 0;-
315-
316 ColorAttachment &color(colorAttachments[idx]);-
317-
318 GLenum storageFormat = color.internalFormat;-
319-
320 if (ctx->isOpenGLES() && color.internalFormat == 0x1908) {-
321 if (funcs.hasOpenGLExtension(QOpenGLExtensions::Sized8Formats))-
322 storageFormat = 0x8058;-
323 else-
324 storageFormat = 0x8056;-
325 }-
326-
327 funcs.glGenRenderbuffers(1, &color_buffer);-
328 funcs.glBindRenderbuffer(0x8D41, color_buffer);-
329 funcs.glRenderbufferStorageMultisample(0x8D41, *samples, storageFormat, color.size.width(), color.size.height());-
330 funcs.glFramebufferRenderbuffer(0x8D40, 0x8CE0 + idx,-
331 0x8D41, color_buffer);-
332-
333 { GLenum err = QOpenGLContext::currentContext()->functions()->glGetError(); if (err != 0) { QMessageLogger(__FILE__, 570576, __PRETTY_FUNCTION__).debug("[%s line %d] OpenGL Error: %d", __FILE__, 570576, (int)err); } };-
334 valid = checkFramebufferStatus(ctx);-
335 if (valid) {-
336-
337-
338-
339 funcs.glGetRenderbufferParameteriv(0x8D41, 0x8CAB, samples);-
340 color.guard = new QOpenGLSharedResourceGuard(ctx, color_buffer, freeRenderbufferFunc);-
341 } else {-
342 funcs.glDeleteRenderbuffers(1, &color_buffer);-
343 }-
344}-
345-
346void QOpenGLFramebufferObjectPrivate::initDepthStencilAttachments(QOpenGLContext *ctx,-
347 QOpenGLFramebufferObject::Attachment attachment)-
348{-
349-
350-
351-
352 const int samples = requestedSamples;-
353-
354-
355 if (depth_buffer_guard) {-
356 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D00, 0x8D41, 0);-
357 depth_buffer_guard->free();-
358 }-
359 if (stencil_buffer_guard) {-
360 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D20, 0x8D41, 0);-
361 if (stencil_buffer_guard != depth_buffer_guard)-
362 stencil_buffer_guard->free();-
363 }-
364-
365 depth_buffer_guard = 0;-
366 stencil_buffer_guard = 0;-
367-
368 GLuint depth_buffer = 0;-
369 GLuint stencil_buffer = 0;-
370-
371-
372-
373-
374-
375 if (attachment == QOpenGLFramebufferObject::CombinedDepthStencil-
376 && funcs.hasOpenGLExtension(QOpenGLExtensions::PackedDepthStencil))-
377 {-
378-
379 funcs.glGenRenderbuffers(1, &depth_buffer);-
380 funcs.glBindRenderbuffer(0x8D41, depth_buffer);-
381 ((!(funcs.glIsRenderbuffer(depth_buffer))) ? qt_assert("funcs.glIsRenderbuffer(depth_buffer)",__FILE__,618624) : qt_noop());-
382 if (samples != 0 && funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample))-
383 funcs.glRenderbufferStorageMultisample(0x8D41, samples,-
384 0x88F0, dsSize.width(), dsSize.height());-
385 else-
386 funcs.glRenderbufferStorage(0x8D41,-
387 0x88F0, dsSize.width(), dsSize.height());-
388-
389 stencil_buffer = depth_buffer;-
390 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D00,-
391 0x8D41, depth_buffer);-
392 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D20,-
393 0x8D41, stencil_buffer);-
394-
395 valid = checkFramebufferStatus(ctx);-
396 if (!valid) {-
397 funcs.glDeleteRenderbuffers(1, &depth_buffer);-
398 stencil_buffer = depth_buffer = 0;-
399 }-
400 }-
401-
402 if (depth_buffer == 0 && (attachment == QOpenGLFramebufferObject::CombinedDepthStencil-
403 || (attachment == QOpenGLFramebufferObject::Depth)))-
404 {-
405 funcs.glGenRenderbuffers(1, &depth_buffer);-
406 funcs.glBindRenderbuffer(0x8D41, depth_buffer);-
407 ((!(funcs.glIsRenderbuffer(depth_buffer))) ? qt_assert("funcs.glIsRenderbuffer(depth_buffer)",__FILE__,644650) : qt_noop());-
408 if (samples != 0 && funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)) {-
409 if (ctx->isOpenGLES()) {-
410 if (funcs.hasOpenGLExtension(QOpenGLExtensions::Depth24))-
411 funcs.glRenderbufferStorageMultisample(0x8D41, samples,-
412 0x81A6, dsSize.width(), dsSize.height());-
413 else-
414 funcs.glRenderbufferStorageMultisample(0x8D41, samples,-
415 0x81A5, dsSize.width(), dsSize.height());-
416 } else {-
417 funcs.glRenderbufferStorageMultisample(0x8D41, samples,-
418 0x1902, dsSize.width(), dsSize.height());-
419 }-
420 } else {-
421 if (ctx->isOpenGLES()) {-
422 if (funcs.hasOpenGLExtension(QOpenGLExtensions::Depth24)) {-
423 funcs.glRenderbufferStorage(0x8D41, 0x81A6,-
424 dsSize.width(), dsSize.height());-
425 } else {-
426 funcs.glRenderbufferStorage(0x8D41, 0x81A5,-
427 dsSize.width(), dsSize.height());-
428 }-
429 } else {-
430 funcs.glRenderbufferStorage(0x8D41, 0x1902, dsSize.width(), dsSize.height());-
431 }-
432 }-
433 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D00,-
434 0x8D41, depth_buffer);-
435 valid = checkFramebufferStatus(ctx);-
436 if (!valid) {-
437 funcs.glDeleteRenderbuffers(1, &depth_buffer);-
438 depth_buffer = 0;-
439 }-
440 }-
441-
442 if (stencil_buffer == 0 && (attachment == QOpenGLFramebufferObject::CombinedDepthStencil)) {-
443 funcs.glGenRenderbuffers(1, &stencil_buffer);-
444 funcs.glBindRenderbuffer(0x8D41, stencil_buffer);-
445 ((!(funcs.glIsRenderbuffer(stencil_buffer))) ? qt_assert("funcs.glIsRenderbuffer(stencil_buffer)",__FILE__,682688) : qt_noop());-
446-
447-
448-
449-
450 GLenum storage = ctx->isOpenGLES() ? 0x8D48 : 0x1901;-
451-
452-
453 if (samples != 0 && funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample))-
454 funcs.glRenderbufferStorageMultisample(0x8D41, samples, storage, dsSize.width(), dsSize.height());-
455 else-
456 funcs.glRenderbufferStorage(0x8D41, storage, dsSize.width(), dsSize.height());-
457-
458 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D20,-
459 0x8D41, stencil_buffer);-
460 valid = checkFramebufferStatus(ctx);-
461 if (!valid) {-
462 funcs.glDeleteRenderbuffers(1, &stencil_buffer);-
463 stencil_buffer = 0;-
464 }-
465 }-
466-
467-
468 valid = checkFramebufferStatus(ctx);-
469-
470 if (depth_buffer && stencil_buffer) {-
471 fbo_attachment = QOpenGLFramebufferObject::CombinedDepthStencil;-
472 } else if (depth_buffer) {-
473 fbo_attachment = QOpenGLFramebufferObject::Depth;-
474 } else {-
475 fbo_attachment = QOpenGLFramebufferObject::NoAttachment;-
476 }-
477-
478 if (valid) {-
479 if (depth_buffer)-
480 depth_buffer_guard = new QOpenGLSharedResourceGuard(ctx, depth_buffer, freeRenderbufferFunc);-
481 if (stencil_buffer) {-
482 if (stencil_buffer == depth_buffer)-
483 stencil_buffer_guard = depth_buffer_guard;-
484 else-
485 stencil_buffer_guard = new QOpenGLSharedResourceGuard(ctx, stencil_buffer, freeRenderbufferFunc);-
486 }-
487 } else {-
488 if (depth_buffer)-
489 funcs.glDeleteRenderbuffers(1, &depth_buffer);-
490 if (stencil_buffer && depth_buffer != stencil_buffer)-
491 funcs.glDeleteRenderbuffers(1, &stencil_buffer);-
492 }-
493 { GLenum err = QOpenGLContext::currentContext()->functions()->glGetError(); if (err != 0) { QMessageLogger(__FILE__, 730736, __PRETTY_FUNCTION__).debug("[%s line %d] OpenGL Error: %d", __FILE__, 730736, (int)err); } };-
494-
495 format.setAttachment(fbo_attachment);-
496}-
497static inline GLenum effectiveInternalFormat(GLenum internalFormat)-
498{-
499 if (!internalFormat)-
500-
501-
502-
503 internalFormat = QOpenGLContext::currentContext()->isOpenGLES() ? 0x1908 : 0x8058;-
504-
505 return internalFormat;-
506}-
507QOpenGLFramebufferObject::QOpenGLFramebufferObject(const QSize &size, GLenum target)-
508 : d_ptr(new QOpenGLFramebufferObjectPrivate)-
509{-
510 QOpenGLFramebufferObjectPrivate * const d = d_func();-
511 d->init(this, size, NoAttachment, target, effectiveInternalFormat(0));-
512}-
513QOpenGLFramebufferObject::QOpenGLFramebufferObject(int width, int height, GLenum target)-
514 : d_ptr(new QOpenGLFramebufferObjectPrivate)-
515{-
516 QOpenGLFramebufferObjectPrivate * const d = d_func();-
517 d->init(this, QSize(width, height), NoAttachment, target, effectiveInternalFormat(0));-
518}-
519-
520-
521-
522-
523-
524-
525-
526QOpenGLFramebufferObject::QOpenGLFramebufferObject(const QSize &size, const QOpenGLFramebufferObjectFormat &format)-
527 : d_ptr(new QOpenGLFramebufferObjectPrivate)-
528{-
529 QOpenGLFramebufferObjectPrivate * const d = d_func();-
530 d->init(this, size, format.attachment(), format.textureTarget(), format.internalTextureFormat(),-
531 format.samples(), format.mipmap());-
532}-
533-
534-
535-
536-
537-
538-
539-
540QOpenGLFramebufferObject::QOpenGLFramebufferObject(int width, int height, const QOpenGLFramebufferObjectFormat &format)-
541 : d_ptr(new QOpenGLFramebufferObjectPrivate)-
542{-
543 QOpenGLFramebufferObjectPrivate * const d = d_func();-
544 d->init(this, QSize(width, height), format.attachment(), format.textureTarget(),-
545 format.internalTextureFormat(), format.samples(), format.mipmap());-
546}-
547QOpenGLFramebufferObject::QOpenGLFramebufferObject(int width, int height, Attachment attachment,-
548 GLenum target, GLenum internalFormat)-
549 : d_ptr(new QOpenGLFramebufferObjectPrivate)-
550{-
551 QOpenGLFramebufferObjectPrivate * const d = d_func();-
552 d->init(this, QSize(width, height), attachment, target, effectiveInternalFormat(internalFormat));-
553}-
554QOpenGLFramebufferObject::QOpenGLFramebufferObject(const QSize &size, Attachment attachment,-
555 GLenum target, GLenum internalFormat)-
556 : d_ptr(new QOpenGLFramebufferObjectPrivate)-
557{-
558 QOpenGLFramebufferObjectPrivate * const d = d_func();-
559 d->init(this, size, attachment, target, effectiveInternalFormat(internalFormat));-
560}-
561-
562-
563-
564-
565-
566-
567QOpenGLFramebufferObject::~QOpenGLFramebufferObject()-
568{-
569 QOpenGLFramebufferObjectPrivate * const d = d_func();-
570 if (isBound()
isBound()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
571 release();
never executed: release();
0
572-
573 for (QForeachContainer<typename QtPrivate::remove_reference<decltypeconst auto &color : qAsConst(d->colorAttachments)>::type> _container_((d->colorAttachments)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1) for (const QOpenGLFramebufferObjectPrivate::ColorAttachment &color = *_container_.i; _container_.control; _container_.control = 0))) {-
574 if (color.guard
color.guardDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
575 color.guard->free();
never executed: color.guard->free();
0
576 }
never executed: end of block
0
577 d->colorAttachments.clear();-
578-
579 if (d->depth_buffer_guard
d->depth_buffer_guardDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
580 d->depth_buffer_guard->free();
never executed: d->depth_buffer_guard->free();
0
581 if (d->stencil_buffer_guard
d->stencil_buffer_guardDescription
TRUEnever evaluated
FALSEnever evaluated
 && d->stencil_buffer_guard != d->depth_buffer_guard
d->stencil_buf...h_buffer_guardDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
582 d->stencil_buffer_guard->free();
never executed: d->stencil_buffer_guard->free();
0
583 if (d->fbo_guard
d->fbo_guardDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
584 d->fbo_guard->free();
never executed: d->fbo_guard->free();
0
585-
586 QOpenGLContextPrivate *contextPrv = QOpenGLContextPrivate::get(QOpenGLContext::currentContext());-
587 if (contextPrv
contextPrvDescription
TRUEnever evaluated
FALSEnever evaluated
 && contextPrv->qgl_current_fbo == this
contextPrv->qg...nt_fbo == thisDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
588 contextPrv->qgl_current_fbo_invalid = true;-
589 contextPrv->qgl_current_fbo = nullptr;-
590 }
never executed: end of block
0
591}
never executed: end of block
0
592void QOpenGLFramebufferObject::addColorAttachment(const QSize &size, GLenum internalFormat)-
593{-
594 QOpenGLFramebufferObjectPrivate * const d = d_func();-
595-
596 if (!QOpenGLContext::currentContext()->functions()->hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets)) {-
597 QMessageLogger(__FILE__, 9941000, __PRETTY_FUNCTION__).warning("Multiple render targets not supported, ignoring extra color attachment request");-
598 return;-
599 }-
600-
601 QOpenGLFramebufferObjectPrivate::ColorAttachment color(size, effectiveInternalFormat(internalFormat));-
602 d->colorAttachments.append(color);-
603 const int idx = d->colorAttachments.count() - 1;-
604-
605 if (d->requestedSamples == 0) {-
606 d->initTexture(idx);-
607 } else {-
608 GLint samples = d->requestedSamples;-
609 d->initColorBuffer(idx, &samples);-
610 }-
611}-
612void QOpenGLFramebufferObject::addColorAttachment(int width, int height, GLenum internalFormat)-
613{-
614 addColorAttachment(QSize(width, height), internalFormat);-
615}-
616bool QOpenGLFramebufferObject::isValid() const-
617{-
618 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
619 return d->valid && d->fbo_guard && d->fbo_guard->id();-
620}-
621bool QOpenGLFramebufferObject::bind()-
622{-
623 if (!isValid()
!isValid()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
624 return
never executed: return false;
 false;
never executed: return false;
0
625 QOpenGLFramebufferObjectPrivate * const d = d_func();-
626 QOpenGLContext *current = QOpenGLContext::currentContext();-
627 if (!current
!currentDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
628 return
never executed: return false;
 false;
never executed: return false;
0
629-
630 if (current->shareGroup() != d->fbo_guard->group()
current->share...guard->group()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
631 QMessageLogger(__FILE__, 10711077, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::bind() called from incompatible context");
never executed: QMessageLogger(__FILE__, 1077, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::bind() called from incompatible context");
0
632-
633-
634 d->funcs.glBindFramebuffer(0x8D40, d->fbo());-
635-
636 QOpenGLContextPrivate::get(current)->qgl_current_fbo_invalid = true;-
637 QOpenGLContextPrivate::get(current)->qgl_current_fbo = this;-
638-
639 if (d->format.samples() == 0
d->format.samples() == 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
640-
641 for (int i = 0; i < d->colorAttachments.count()
i < d->colorAt...hments.count()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
642 if (!d->colorAttachments[.at(i].).guard
!d->colorAttac...ts.at(i).guardDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
643 d->initTexture(i);
never executed: d->initTexture(i);
0
644 }
never executed: end of block
0
645 }
never executed: end of block
0
646-
647 return
never executed: return d->valid;
 d->valid;
never executed: return d->valid;
0
648}-
649bool QOpenGLFramebufferObject::release()-
650{-
651 if (!isValid())-
652 return false;-
653-
654 QOpenGLContext *current = QOpenGLContext::currentContext();-
655 if (!current)-
656 return false;-
657-
658 QOpenGLFramebufferObjectPrivate * const d = d_func();-
659-
660 if (current->shareGroup() != d->fbo_guard->group())-
661 QMessageLogger(__FILE__, 11111117, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::release() called from incompatible context");-
662-
663-
664 if (current) {-
665 d->funcs.glBindFramebuffer(0x8D40, current->defaultFramebufferObject());-
666-
667 QOpenGLContextPrivate *contextPrv = QOpenGLContextPrivate::get(current);-
668 contextPrv->qgl_current_fbo_invalid = true;-
669 contextPrv->qgl_current_fbo = nullptr;-
670 }-
671-
672 return true;-
673}-
674GLuint QOpenGLFramebufferObject::texture() const-
675{-
676 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
677 return d->colorAttachments[0].guard ? d->colorAttachments[0].guard->id() : 0;-
678}-
679QVector<GLuint> QOpenGLFramebufferObject::textures() const-
680{-
681 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
682 QVector<GLuint> ids;-
683 if (d->format.samples() != 0
d->format.samples() != 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
684 return
never executed: return ids;
 ids;
never executed: return ids;
0
685 ids.reserve(d->colorAttachments.count());-
686 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(d->colorAttachments)>::type> _container_((const auto &color : d->colorAttachments)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1) for (const QOpenGLFramebufferObjectPrivate::ColorAttachment &color = *_container_.i; _container_.control; _container_.control = 0)-
687 ids.append(color.guard ? color.guard->id() : 0);
never executed: ids.append(color.guard ? color.guard->id() : 0);
0
688 return
never executed: return ids;
 ids;
never executed: return ids;
0
689}-
690GLuint QOpenGLFramebufferObject::takeTexture()-
691{-
692 return takeTexture(0);-
693}-
694GLuint QOpenGLFramebufferObject::takeTexture(int colorAttachmentIndex)-
695{-
696 QOpenGLFramebufferObjectPrivate * const d = d_func();-
697 GLuint id = 0;-
698 if (isValid()
isValid()Description
TRUEnever evaluated
FALSEnever evaluated
 && d->format.samples() == 0
d->format.samples() == 0Description
TRUEnever evaluated
FALSEnever evaluated
 && d->colorAttachments.count() > colorAttachmentIndex
d->colorAttach...ttachmentIndexDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
699 QOpenGLContext *current = QOpenGLContext::currentContext();-
700 if (current
currentDescription
TRUEnever evaluated
FALSEnever evaluated
 && current->shareGroup() == d->fbo_guard->group()
current->share...guard->group()Description
TRUEnever evaluated
FALSEnever evaluated
 && isBound()
isBound()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
701 release();
never executed: release();
0
702 idauto &guard = d->colorAttachments[colorAttachmentIndex].guard;-
703 id = guard
guardDescription
TRUEnever evaluated
FALSEnever evaluated
 ? d->colorAttachments[colorAttachmentIndex].guard->id() : 0;		0
704-
705-
706 d->colorAttachments[colorAttachmentIndex].guard = 0;-
707 }
never executed: end of block
0
708 return
never executed: return id;
 id;
never executed: return id;
0
709}-
710-
711-
712-
713-
714-
715QSize QOpenGLFramebufferObject::size() const-
716{-
717 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
718 return d->dsSize;-
719}-
720-
721-
722-
723-
724-
725-
726-
727QVector<QSize> QOpenGLFramebufferObject::sizes() const-
728{-
729 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
730 QVector<QSize> sz;-
731 sz.reserve(d->colorAttachments.size());-
732 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(d->colorAttachments)>::type> _container_((const auto &color : d->colorAttachments)); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1) for (const QOpenGLFramebufferObjectPrivate::ColorAttachment &color = *_container_.i; _container_.control; _container_.control = 0)-
733 sz.append(color.size);
never executed: sz.append(color.size);
0
734 return
never executed: return sz;
 sz;
never executed: return sz;
0
735}-
736QOpenGLFramebufferObjectFormat QOpenGLFramebufferObject::format() const-
737{-
738 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
739 return d->format;-
740}-
741-
742static inline QImage qt_gl_read_framebuffer_rgba8(const QSize &size, bool include_alpha, QOpenGLContext *context)-
743{-
744 QOpenGLFunctions *funcs = context->functions();-
745 const int w = size.width();-
746 const int h = size.height();-
747 bool isOpenGL12orBetter = !context->isOpenGLES() && (context->format().majorVersion() >= 2 || context->format().minorVersion() >= 2);-
748 if (isOpenGL12orBetter) {-
749 QImage img(size, include_alpha ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32);-
750 funcs->glReadPixels(0, 0, w, h, 0x80E1, 0x8367, img.bits());-
751 return img;-
752 }-
753-
754-
755-
756 const bool has_bgra_ext = context->isOpenGLES()-
757 ? context->hasExtension(([]() -> QByteArray { enum { Size = sizeof("GL_EXT_read_format_bgra") - 1 }; static const QStaticByteArrayData<Size> qbytearray_literal = { { { { -1 } }, Size, 0, 0, sizeof(QByteArrayData) }, "GL_EXT_read_format_bgra" }; QByteArrayDataPtr holder = { qbytearray_literal.data_ptr() }; const QByteArray ba(holder); return ba; }()))-
758 : context->hasExtension(([]() -> QByteArray { enum { Size = sizeof("GL_EXT_bgra") - 1 }; static const QStaticByteArrayData<Size> qbytearray_literal = { { { { -1 } }, Size, 0, 0, sizeof(QByteArrayData) }, "GL_EXT_bgra" }; QByteArrayDataPtr holder = { qbytearray_literal.data_ptr() }; const QByteArray ba(holder); return ba; }()));-
759-
760-
761 const char *renderer = reinterpret_cast<const char *>(funcs->glGetString(0x1F01));-
762 const char *ver = reinterpret_cast<const char *>(funcs->glGetString(0x1F02));-
763-
764-
765 const bool blackListed = (qstrcmp(renderer, "PowerVR Rogue G6200") == 0-
766 && ::strstr(ver, "1.3") != 0) ||-
767 (qstrcmp(renderer, "Mali-T760") == 0-
768 && ::strstr(ver, "3.1") != 0) ||-
769 (qstrcmp(renderer, "Mali-T720") == 0-
770 && ::strstr(ver, "3.1") != 0) ||-
771 qstrcmp(renderer, "PowerVR SGX 554") == 0;-
772-
773-
774-
775 const bool supports_bgra = has_bgra_ext && !blackListed;-
776-
777 if (supports_bgra) {-
778 QImage img(size, include_alpha ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32);-
779 funcs->glReadPixels(0, 0, w, h, 0x80E1, 0x1401, img.bits());-
780 return img;-
781 }-
782-
783 QImage rgbaImage(size, include_alpha ? QImage::Format_RGBA8888_Premultiplied : QImage::Format_RGBX8888);-
784 funcs->glReadPixels(0, 0, w, h, 0x1908, 0x1401, rgbaImage.bits());-
785 return rgbaImage;-
786}-
787-
788static inline QImage qt_gl_read_framebuffer_rgb10a2(const QSize &size, bool include_alpha, QOpenGLContext *context)-
789{-
790-
791 QImage img(size, include_alpha ? QImage::Format_A2BGR30_Premultiplied : QImage::Format_BGR30);-
792 context->functions()->glReadPixels(0, 0, size.width(), size.height(), 0x1908, 0x8368, img.bits());-
793 return img;-
794}-
795-
796static QImage qt_gl_read_framebuffer(const QSize &size, GLenum internal_format, bool include_alpha, bool flip)-
797{-
798 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
799 QOpenGLFunctions *funcs = ctx->functions();-
800 while (funcs->glGetError());-
801-
802 switch (internal_format) {-
803 case 0x1907:-
804 case 0x8051:-
805 return qt_gl_read_framebuffer_rgba8(size, false, ctx).mirrored(false, flip);-
806 case 0x8052:-
807 return qt_gl_read_framebuffer_rgb10a2(size, false, ctx).mirrored(false, flip);-
808 case 0x8059:-
809 return qt_gl_read_framebuffer_rgb10a2(size, include_alpha, ctx).mirrored(false, flip);-
810 case 0x1908:-
811 case 0x8058:-
812 default:-
813 return qt_gl_read_framebuffer_rgba8(size, include_alpha, ctx).mirrored(false, flip);-
814 }-
815-
816 do
dead code: do { ((!(false)) ? qt_assert_x("Q_UNREACHABLE()", "Q_UNREACHABLE was reached",__FILE__,1353) : qt_noop()); __builtin_unreachable(); } while (0);
 { ((!(false)) ? qt_assert_x("Q_UNREACHABLE()", "Q_UNREACHABLE was reached",__FILE__,13461353) : qt_noop()); __builtin_unreachable(); } while (0);
dead code: do { ((!(false)) ? qt_assert_x("Q_UNREACHABLE()", "Q_UNREACHABLE was reached",__FILE__,1353) : qt_noop()); __builtin_unreachable(); } while (0);
-
817 return
dead code: return QImage();
 QImage();
dead code: return QImage();
-
818}-
819-
820__attribute__((visibility("default"))) QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha)-
821{-
822 return qt_gl_read_framebuffer(size, alpha_format ? 0x1908 : 0x1907, include_alpha, true);-
823}-
824QImage QOpenGLFramebufferObject::toImage(bool flipped) const-
825{-
826 return toImage(flipped, 0);-
827}-
828QImage QOpenGLFramebufferObject::toImage() const-
829{-
830 return toImage(true, 0);-
831}-
832QImage QOpenGLFramebufferObject::toImage(bool flipped, int colorAttachmentIndex) const-
833{-
834 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
835 if (!d->valid)-
836 return QImage();-
837-
838 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
839 if (!ctx) {-
840 QMessageLogger(__FILE__, 14321439, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::toImage() called without a current context");-
841 return QImage();-
842 }-
843-
844 if (d->colorAttachments.count() <= colorAttachmentIndex) {-
845 QMessageLogger(__FILE__, 14371444, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::toImage() called for missing color attachment");-
846 return QImage();-
847 }-
848-
849 GLuint prevFbo = 0;-
850 ctx->functions()->glGetIntegerv(0x8CA6, (GLint *) &prevFbo);-
851-
852 if (prevFbo != d->fbo())-
853 const_cast<QOpenGLFramebufferObject *>(this)->bind();-
854-
855 QImage image;-
856 QOpenGLExtraFunctions *extraFuncs = ctx->extraFunctions();-
857-
858 if (format().samples() != 0) {-
859 QRect rect(QPoint(0, 0), size());-
860 if (extraFuncs->hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets)) {-
861 QOpenGLFramebufferObject temp(d->colorAttachments[colorAttachmentIndex].size, QOpenGLFramebufferObjectFormat());-
862 blitFramebuffer(&temp, rect, const_cast<QOpenGLFramebufferObject *>(this), rect,-
863 0x00004000, 0x2600,-
864 colorAttachmentIndex, 0);-
865 image = temp.toImage(flipped);-
866 } else {-
867 QOpenGLFramebufferObject temp(size(), QOpenGLFramebufferObjectFormat());-
868 blitFramebuffer(&temp, rect, const_cast<QOpenGLFramebufferObject *>(this), rect);-
869 image = temp.toImage(flipped);-
870 }-
871 } else {-
872 if (extraFuncs->hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets)) {-
873 extraFuncs->glReadBuffer(0x8CE0 + colorAttachmentIndex);-
874 image = qt_gl_read_framebuffer(d->colorAttachments[colorAttachmentIndex].size,-
875 d->colorAttachments[colorAttachmentIndex].internalFormat,-
876 true, flipped);-
877 extraFuncs->glReadBuffer(0x8CE0);-
878 } else {-
879 image = qt_gl_read_framebuffer(d->colorAttachments[0].size,-
880 d->colorAttachments[0].internalFormat,-
881 true, flipped);-
882 }-
883 }-
884-
885 if (prevFbo != d->fbo())-
886 ctx->functions()->glBindFramebuffer(0x8D40, prevFbo);-
887-
888 return image;-
889}-
890bool QOpenGLFramebufferObject::bindDefault()-
891{-
892 QOpenGLContext *ctx = const_cast<QOpenGLContext *>(QOpenGLContext::currentContext());-
893-
894 if (ctx) {-
895 ctx->functions()->glBindFramebuffer(0x8D40, ctx->defaultFramebufferObject());-
896 QOpenGLContextPrivate::get(ctx)->qgl_current_fbo_invalid = true;-
897 QOpenGLContextPrivate::get(ctx)->qgl_current_fbo = nullptr;-
898 }-
899-
900 else-
901 QMessageLogger(__FILE__, 15031510, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::bindDefault() called without current context.");-
902-
903-
904 return ctx != 0;-
905}-
906-
907-
908-
909-
910-
911-
912-
913bool QOpenGLFramebufferObject::hasOpenGLFramebufferObjects()-
914{-
915 return QOpenGLContext::currentContext()->functions()->hasOpenGLFeature(QOpenGLFunctions::Framebuffers);-
916}-
917GLuint QOpenGLFramebufferObject::handle() const-
918{-
919 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
920 return d->fbo();-
921}-
922-
923-
924-
925-
926-
927-
928QOpenGLFramebufferObject::Attachment QOpenGLFramebufferObject::attachment() const-
929{-
930 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
931 if (d->valid)-
932 return d->fbo_attachment;-
933 return NoAttachment;-
934}-
935void QOpenGLFramebufferObject::setAttachment(QOpenGLFramebufferObject::Attachment attachment)-
936{-
937 QOpenGLFramebufferObjectPrivate * const d = d_func();-
938 if (attachment == d->fbo_attachment || !isValid())-
939 return;-
940 QOpenGLContext *current = QOpenGLContext::currentContext();-
941 if (!current)-
942 return;-
943-
944 if (current->shareGroup() != d->fbo_guard->group())-
945 QMessageLogger(__FILE__, 15661573, __PRETTY_FUNCTION__).warning("QOpenGLFramebufferObject::setAttachment() called from incompatible context");-
946-
947 d->funcs.glBindFramebuffer(0x8D40, d->fbo());-
948 QOpenGLContextPrivate::get(current)->qgl_current_fbo_invalid = true;-
949 d->initDepthStencilAttachments(current, attachment);-
950}-
951-
952-
953-
954-
955-
956bool QOpenGLFramebufferObject::isBound() const-
957{-
958 const QOpenGLFramebufferObjectPrivate * const d = d_func();-
959 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
960 if (!ctx)-
961 return false;-
962 GLint fbo = 0;-
963 ctx->functions()->glGetIntegerv(0x8CA6, &fbo);-
964 return GLuint(fbo) == d->fbo();-
965}-
966bool QOpenGLFramebufferObject::hasOpenGLFramebufferBlit()-
967{-
968 return QOpenGLExtensions(QOpenGLContext::currentContext()).hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit);-
969}-
970-
971-
972-
973-
974-
975-
976-
977void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target,-
978 QOpenGLFramebufferObject *source,-
979 GLbitfield buffers, GLenum filter)-
980{-
981 if (!target && !source)-
982 return;-
983-
984 QSize targetSize;-
985 QSize sourceSize;-
986-
987 if (target)-
988 targetSize = target->size();-
989 if (source)-
990 sourceSize = source->size();-
991-
992 if (targetSize.isEmpty())-
993 targetSize = sourceSize;-
994 else if (sourceSize.isEmpty())-
995 sourceSize = targetSize;-
996-
997 blitFramebuffer(target, QRect(QPoint(0, 0), targetSize),-
998 source, QRect(QPoint(0, 0), sourceSize),-
999 buffers, filter);-
1000}-
1001-
1002-
1003-
1004-
1005-
1006void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target, const QRect &targetRect,-
1007 QOpenGLFramebufferObject *source, const QRect &sourceRect,-
1008 GLbitfield buffers,-
1009 GLenum filter)-
1010{-
1011 blitFramebuffer(target, targetRect, source, sourceRect, buffers, filter, 0, 0);-
1012}-
1013void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target, const QRect &targetRect,-
1014 QOpenGLFramebufferObject *source, const QRect &sourceRect,-
1015 GLbitfield buffers,-
1016 GLenum filter,-
1017 int readColorAttachmentIndex,-
1018 int drawColorAttachmentIndex,-
1019 QOpenGLFramebufferObject::FramebufferRestorePolicy restorePolicy)-
1020{-
1021 QOpenGLContext *ctx = QOpenGLContext::currentContext();-
1022 if (!ctx
!ctxDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1023 return;
never executed: return;
0
1024-
1025 QOpenGLExtensions extensions(ctx);-
1026 if (!extensions.hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit)
!extensions.ha...amebufferBlit)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
1027 return;
never executed: return;
0
1028-
1029 GLuint prevFbo = 0;-
1030 if (restorePolicy == RestoreFrameBufferBinding
restorePolicy ...eBufferBindingDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1031 ctx->functions()->glGetIntegerv(0x8CA6, (GLint *) &prevFbo);
never executed: ctx->functions()->glGetIntegerv(0x8CA6, (GLint *) &prevFbo);
0
1032-
1033 const int sx0 = sourceRect.left();-
1034 const int sx1 = sourceRect.left() + sourceRect.width();-
1035 const int sy0 = sourceRect.top();-
1036 const int sy1 = sourceRect.top() + sourceRect.height();-
1037-
1038 const int tx0 = targetRect.left();-
1039 const int tx1 = targetRect.left() + targetRect.width();-
1040 const int ty0 = targetRect.top();-
1041 const int ty1 = targetRect.top() + targetRect.height();-
1042-
1043 const GLuint defaultFboId = ctx->defaultFramebufferObject();-
1044-
1045 extensions.glBindFramebuffer(0x8CA8, source ? source->handle() : defaultFboId);-
1046 extensions.glBindFramebuffer(0x8CA9, target ? target->handle() : defaultFboId);-
1047-
1048 if (const bool supportsMRT = extensions.hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets)));-
1049 if (supportsMRT
supportsMRTDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1050 extensions.glReadBuffer(0x8CE0 + readColorAttachmentIndex);-
1051 if (target
targetDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1052 GLenum drawBuf = 0x8CE0 + drawColorAttachmentIndex;-
1053 extensions.glDrawBuffers(1, &drawBuf);-
1054 }
never executed: end of block
0
1055 }
never executed: end of block
0
1056-
1057 extensions.glBlitFramebuffer(sx0, sy0, sx1, sy1,-
1058 tx0, ty0, tx1, ty1,-
1059 buffers, filter);-
1060-
1061 if (extensions.hasOpenGLFeature(QOpenGLFunctions::MultipleRenderTargets))supportsMRT
supportsMRTDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1062 extensions.glReadBuffer(0x8CE0);
never executed: extensions.glReadBuffer(0x8CE0);
0
1063-
1064 switch (restorePolicy) {-
1065 case
never executed: case RestoreFrameBufferBinding:
 RestoreFrameBufferBinding:
never executed: case RestoreFrameBufferBinding:
0
1066 ctx->functions()->glBindFramebuffer(0x8D40, prevFbo);-
1067 break;
never executed: break;
0
1068-
1069 case
never executed: case RestoreFramebufferBindingToDefault:
 RestoreFramebufferBindingToDefault:
never executed: case RestoreFramebufferBindingToDefault:
0
1070 ctx->functions()->glBindFramebuffer(0x8D40, ctx->defaultFramebufferObject());-
1071 break;
never executed: break;
0
1072-
1073 case
never executed: case DontRestoreFramebufferBinding:
 DontRestoreFramebufferBinding:
never executed: case DontRestoreFramebufferBinding:
0
1074 break;
never executed: break;
0
1075 }-
1076}
never executed: end of block
0
1077void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target, const QRect &targetRect,-
1078 QOpenGLFramebufferObject *source, const QRect &sourceRect,-
1079 GLbitfield buffers,-
1080 GLenum filter,-
1081 int readColorAttachmentIndex,-
1082 int drawColorAttachmentIndex)-
1083{-
1084 blitFramebuffer(target, targetRect, source, sourceRect,-
1085 buffers, filter,-
1086 readColorAttachmentIndex,-
1087 drawColorAttachmentIndex,-
1088 RestoreFrameBufferBinding);-
1089}
never executed: end of block
0
1090-
1091-
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