opengl/qopenglframebufferobject.cpp

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LineSource CodeCoverage
1 -
2 -
3 -
4 -
5void QOpenGLFramebufferObjectFormat::detach() -
6{ -
7 if (d->ref.load() != 1) {
never evaluated: d->ref.load() != 1
0
8 QOpenGLFramebufferObjectFormatPrivate *newd -
9 = new QOpenGLFramebufferObjectFormatPrivate(d); -
10 if (!d->ref.deref())
never evaluated: !d->ref.deref()
0
11 delete d;
never executed: delete d;
0
12 d = newd; -
13 }
never executed: }
0
14}
never executed: }
0
15QOpenGLFramebufferObjectFormat::QOpenGLFramebufferObjectFormat() -
16{ -
17 d = new QOpenGLFramebufferObjectFormatPrivate; -
18}
never executed: }
0
19 -
20 -
21 -
22 -
23 -
24QOpenGLFramebufferObjectFormat::QOpenGLFramebufferObjectFormat(const QOpenGLFramebufferObjectFormat &other) -
25{ -
26 d = other.d; -
27 d->ref.ref(); -
28}
never executed: }
0
29 -
30 -
31 -
32 -
33 -
34QOpenGLFramebufferObjectFormat &QOpenGLFramebufferObjectFormat::operator=(const QOpenGLFramebufferObjectFormat &other) -
35{ -
36 if (d != other.d) {
never evaluated: d != other.d
0
37 other.d->ref.ref(); -
38 if (!d->ref.deref())
never evaluated: !d->ref.deref()
0
39 delete d;
never executed: delete d;
0
40 d = other.d; -
41 }
never executed: }
0
42 return *this;
never executed: return *this;
0
43} -
44 -
45 -
46 -
47 -
48QOpenGLFramebufferObjectFormat::~QOpenGLFramebufferObjectFormat() -
49{ -
50 if (!d->ref.deref())
never evaluated: !d->ref.deref()
0
51 delete d;
never executed: delete d;
0
52}
never executed: }
0
53void QOpenGLFramebufferObjectFormat::setSamples(int samples) -
54{ -
55 detach(); -
56 d->samples = samples; -
57}
never executed: }
0
58int QOpenGLFramebufferObjectFormat::samples() const -
59{ -
60 return d->samples;
never executed: return d->samples;
0
61} -
62void QOpenGLFramebufferObjectFormat::setMipmap(bool enabled) -
63{ -
64 detach(); -
65 d->mipmap = enabled; -
66}
never executed: }
0
67 -
68 -
69 -
70 -
71 -
72 -
73bool QOpenGLFramebufferObjectFormat::mipmap() const -
74{ -
75 return d->mipmap;
never executed: return d->mipmap;
0
76} -
77 -
78 -
79 -
80 -
81 -
82 -
83void QOpenGLFramebufferObjectFormat::setAttachment(QOpenGLFramebufferObject::Attachment attachment) -
84{ -
85 detach(); -
86 d->attachment = attachment; -
87}
never executed: }
0
88 -
89 -
90 -
91 -
92 -
93 -
94 -
95QOpenGLFramebufferObject::Attachment QOpenGLFramebufferObjectFormat::attachment() const -
96{ -
97 return d->attachment;
never executed: return d->attachment;
0
98} -
99 -
100 -
101 -
102 -
103 -
104 -
105 -
106void QOpenGLFramebufferObjectFormat::setTextureTarget(GLenum target) -
107{ -
108 detach(); -
109 d->target = target; -
110}
never executed: }
0
111GLenum QOpenGLFramebufferObjectFormat::textureTarget() const -
112{ -
113 return d->target;
never executed: return d->target;
0
114} -
115void QOpenGLFramebufferObjectFormat::setInternalTextureFormat(GLenum internalTextureFormat) -
116{ -
117 detach(); -
118 d->internal_format = internalTextureFormat; -
119}
never executed: }
0
120GLenum QOpenGLFramebufferObjectFormat::internalTextureFormat() const -
121{ -
122 return d->internal_format;
never executed: return d->internal_format;
0
123} -
124 -
125 -
126 -
127 -
128 -
129bool QOpenGLFramebufferObjectFormat::operator==(const QOpenGLFramebufferObjectFormat& other) const -
130{ -
131 if (d == other.d)
never evaluated: d == other.d
0
132 return true;
never executed: return true;
0
133 else -
134 return d->equals(other.d);
never executed: return d->equals(other.d);
0
135} -
136 -
137 -
138 -
139 -
140 -
141bool QOpenGLFramebufferObjectFormat::operator!=(const QOpenGLFramebufferObjectFormat& other) const -
142{ -
143 return !(*this == other);
never executed: return !(*this == other);
0
144} -
145 -
146bool QOpenGLFramebufferObjectPrivate::checkFramebufferStatus(QOpenGLContext *ctx) const -
147{ -
148 if (!ctx)
never evaluated: !ctx
0
149 return false;
never executed: return false;
0
150 GLenum status = ctx->functions()->glCheckFramebufferStatus(0x8D40); -
151 switch(status) { -
152 case 0x0: -
153 case 0x8CD5: -
154 return true;
never executed: return true;
0
155 case 0x8CDD: -
156 QMessageLogger("opengl/qopenglframebufferobject.cpp", 353, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Unsupported framebuffer format."); -
157 break;
never executed: break;
0
158 case 0x8CD6: -
159 QMessageLogger("opengl/qopenglframebufferobject.cpp", 356, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete attachment."); -
160 break;
never executed: break;
0
161 case 0x8CD7: -
162 QMessageLogger("opengl/qopenglframebufferobject.cpp", 359, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, missing attachment."); -
163 break;
never executed: break;
0
164 case 0x8CDB: -
165 QMessageLogger("opengl/qopenglframebufferobject.cpp", 378, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, missing draw buffer."); -
166 break;
never executed: break;
0
167 -
168 -
169 case 0x8CDC: -
170 QMessageLogger("opengl/qopenglframebufferobject.cpp", 383, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, missing read buffer."); -
171 break;
never executed: break;
0
172 -
173 -
174 case 0x8D56: -
175 QMessageLogger("opengl/qopenglframebufferobject.cpp", 388, __PRETTY_FUNCTION__).debug("QOpenGLFramebufferObject: Framebuffer incomplete, attachments must have same number of samples per pixel."); -
176 break;
never executed: break;
0
177 -
178 default: -
179 QMessageLogger("opengl/qopenglframebufferobject.cpp", 392, __PRETTY_FUNCTION__).debug() <<"QOpenGLFramebufferObject: An undefined error has occurred: "<< status; -
180 break;
never executed: break;
0
181 } -
182 return false;
never executed: return false;
0
183} -
184 -
185namespace -
186{ -
187 void freeFramebufferFunc(QOpenGLFunctions *funcs, GLuint id) -
188 { -
189 funcs->glDeleteFramebuffers(1, &id); -
190 }
never executed: }
0
191 -
192 void freeRenderbufferFunc(QOpenGLFunctions *funcs, GLuint id) -
193 { -
194 funcs->glDeleteRenderbuffers(1, &id); -
195 }
never executed: }
0
196 -
197 void freeTextureFunc(QOpenGLFunctions *, GLuint id) -
198 { -
199 glDeleteTextures(1, &id); -
200 }
never executed: }
0
201} -
202 -
203void QOpenGLFramebufferObjectPrivate::init(QOpenGLFramebufferObject *, const QSize &sz, -
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))
never evaluated: !funcs.hasOpenGLFeature(QOpenGLFunctions::Framebuffers)
0
213 return;
never executed: return;
0
214 -
215 size = sz; -
216 target = texture_target; -
217 -
218 -
219 {}; -
220 GLuint fbo = 0; -
221 -
222 funcs.glGenFramebuffers(1, &fbo); -
223 funcs.glBindFramebuffer(0x8D40, fbo); -
224 -
225 GLuint texture = 0; -
226 GLuint color_buffer = 0; -
227 -
228 {}; -
229 -
230 if (samples == 0) {
never evaluated: samples == 0
0
231 glGenTextures(1, &texture); -
232 glBindTexture(target, texture); -
233 -
234 glTexParameteri(target, 0x2801, 0x2600); -
235 glTexParameteri(target, 0x2800, 0x2600); -
236 glTexParameteri(target, 0x2802, 0x812F); -
237 glTexParameteri(target, 0x2803, 0x812F); -
238 -
239 glTexImage2D(target, 0, internal_format, size.width(), size.height(), 0, -
240 0x1908, 0x1401, __null); -
241 if (mipmap) {
never evaluated: mipmap
0
242 int width = size.width(); -
243 int height = size.height(); -
244 int level = 0; -
245 while (width > 1 || height > 1) {
never evaluated: width > 1
never evaluated: height > 1
0
246 width = qMax(1, width >> 1); -
247 height = qMax(1, height >> 1); -
248 ++level; -
249 glTexImage2D(target, level, internal_format, width, height, 0, -
250 0x1908, 0x1401, __null); -
251 }
never executed: }
0
252 }
never executed: }
0
253 funcs.glFramebufferTexture2D(0x8D40, 0x8CE0, -
254 target, texture, 0); -
255 -
256 {}; -
257 valid = checkFramebufferStatus(ctx); -
258 glBindTexture(target, 0); -
259 -
260 color_buffer = 0; -
261 } else {
never executed: }
0
262 mipmap = false; -
263 GLint maxSamples; -
264 glGetIntegerv(0x8D57, &maxSamples); -
265 -
266 samples = qBound(0, int(samples), int(maxSamples)); -
267 -
268 funcs.glGenRenderbuffers(1, &color_buffer); -
269 funcs.glBindRenderbuffer(0x8D41, color_buffer); -
270 if (funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample) && samples > 0) {
never evaluated: funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)
never evaluated: samples > 0
0
271 funcs.glRenderbufferStorageMultisample(0x8D41, samples, -
272 internal_format, size.width(), size.height()); -
273 } else {
never executed: }
0
274 samples = 0; -
275 funcs.glRenderbufferStorage(0x8D41, internal_format, -
276 size.width(), size.height()); -
277 }
never executed: }
0
278 -
279 funcs.glFramebufferRenderbuffer(0x8D40, 0x8CE0, -
280 0x8D41, color_buffer); -
281 -
282 {}; -
283 valid = checkFramebufferStatus(ctx); -
284 -
285 if (valid)
never evaluated: valid
0
286 funcs.glGetRenderbufferParameteriv(0x8D41, 0x8CAB, &samples);
never executed: funcs.glGetRenderbufferParameteriv(0x8D41, 0x8CAB, &samples);
0
287 }
never executed: }
0
288 -
289 format.setTextureTarget(target); -
290 format.setSamples(int(samples)); -
291 format.setInternalTextureFormat(internal_format); -
292 format.setMipmap(mipmap); -
293 -
294 initAttachments(ctx, attachment); -
295 -
296 funcs.glBindFramebuffer(0x8D40, ctx->d_func()->current_fbo); -
297 if (valid) {
never evaluated: valid
0
298 fbo_guard = new QOpenGLSharedResourceGuard(ctx, fbo, freeFramebufferFunc); -
299 if (color_buffer)
never evaluated: color_buffer
0
300 color_buffer_guard = new QOpenGLSharedResourceGuard(ctx, color_buffer, freeRenderbufferFunc);
never executed: color_buffer_guard = new QOpenGLSharedResourceGuard(ctx, color_buffer, freeRenderbufferFunc);
0
301 else -
302 texture_guard = new QOpenGLSharedResourceGuard(ctx, texture, freeTextureFunc);
never executed: texture_guard = new QOpenGLSharedResourceGuard(ctx, texture, freeTextureFunc);
0
303 } else { -
304 if (color_buffer)
never evaluated: color_buffer
0
305 funcs.glDeleteRenderbuffers(1, &color_buffer);
never executed: funcs.glDeleteRenderbuffers(1, &color_buffer);
0
306 else -
307 glDeleteTextures(1, &texture);
never executed: glDeleteTextures(1, &texture);
0
308 funcs.glDeleteFramebuffers(1, &fbo); -
309 }
never executed: }
0
310 {}; -
311} -
312 -
313void QOpenGLFramebufferObjectPrivate::initAttachments(QOpenGLContext *ctx, QOpenGLFramebufferObject::Attachment attachment) -
314{ -
315 int samples = format.samples(); -
316 -
317 -
318 if (depth_buffer_guard) {
never evaluated: depth_buffer_guard
0
319 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D00, 0x8D41, 0); -
320 depth_buffer_guard->free(); -
321 }
never executed: }
0
322 if (stencil_buffer_guard) {
never evaluated: stencil_buffer_guard
0
323 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D20, 0x8D41, 0); -
324 if (stencil_buffer_guard != depth_buffer_guard)
never evaluated: stencil_buffer_guard != depth_buffer_guard
0
325 stencil_buffer_guard->free();
never executed: stencil_buffer_guard->free();
0
326 }
never executed: }
0
327 -
328 depth_buffer_guard = 0; -
329 stencil_buffer_guard = 0; -
330 -
331 GLuint depth_buffer = 0; -
332 GLuint stencil_buffer = 0; -
333 -
334 -
335 -
336 -
337 -
338 if (attachment == QOpenGLFramebufferObject::CombinedDepthStencil
never evaluated: attachment == QOpenGLFramebufferObject::CombinedDepthStencil
0
339 && funcs.hasOpenGLExtension(QOpenGLExtensions::PackedDepthStencil))
never evaluated: funcs.hasOpenGLExtension(QOpenGLExtensions::PackedDepthStencil)
0
340 { -
341 -
342 funcs.glGenRenderbuffers(1, &depth_buffer); -
343 funcs.glBindRenderbuffer(0x8D41, depth_buffer); -
344 qt_noop(); -
345 if (samples != 0 && funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample))
never evaluated: samples != 0
never evaluated: funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)
0
346 funcs.glRenderbufferStorageMultisample(0x8D41, samples, 0
347 0x88F0, size.width(), size.height());
never executed: funcs.glRenderbufferStorageMultisample(0x8D41, samples, 0x88F0, size.width(), size.height());
0
348 else -
349 funcs.glRenderbufferStorage(0x8D41, 0
350 0x88F0, size.width(), size.height());
never executed: funcs.glRenderbufferStorage(0x8D41, 0x88F0, size.width(), size.height());
0
351 -
352 stencil_buffer = depth_buffer; -
353 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D00, -
354 0x8D41, depth_buffer); -
355 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D20, -
356 0x8D41, stencil_buffer); -
357 -
358 valid = checkFramebufferStatus(ctx); -
359 if (!valid) {
never evaluated: !valid
0
360 funcs.glDeleteRenderbuffers(1, &depth_buffer); -
361 stencil_buffer = depth_buffer = 0; -
362 }
never executed: }
0
363 }
never executed: }
0
364 -
365 if (depth_buffer == 0 && (attachment == QOpenGLFramebufferObject::CombinedDepthStencil
never evaluated: depth_buffer == 0
never evaluated: attachment == QOpenGLFramebufferObject::CombinedDepthStencil
0
366 || (attachment == QOpenGLFramebufferObject::Depth)))
never evaluated: (attachment == QOpenGLFramebufferObject::Depth)
0
367 { -
368 funcs.glGenRenderbuffers(1, &depth_buffer); -
369 funcs.glBindRenderbuffer(0x8D41, depth_buffer); -
370 qt_noop(); -
371 if (samples != 0 && funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)) {
never evaluated: samples != 0
never evaluated: funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)
0
372 funcs.glRenderbufferStorageMultisample(0x8D41, samples, -
373 0x1902, size.width(), size.height()); -
374 -
375 } else {
never executed: }
0
376 funcs.glRenderbufferStorage(0x8D41, 0x1902, size.width(), size.height()); -
377 -
378 }
never executed: }
0
379 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D00, -
380 0x8D41, depth_buffer); -
381 valid = checkFramebufferStatus(ctx); -
382 if (!valid) {
never evaluated: !valid
0
383 funcs.glDeleteRenderbuffers(1, &depth_buffer); -
384 depth_buffer = 0; -
385 }
never executed: }
0
386 }
never executed: }
0
387 -
388 if (stencil_buffer == 0 && (attachment == QOpenGLFramebufferObject::CombinedDepthStencil)) {
never evaluated: stencil_buffer == 0
never evaluated: (attachment == QOpenGLFramebufferObject::CombinedDepthStencil)
0
389 funcs.glGenRenderbuffers(1, &stencil_buffer); -
390 funcs.glBindRenderbuffer(0x8D41, stencil_buffer); -
391 qt_noop(); -
392 if (samples != 0 && funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)) {
never evaluated: samples != 0
never evaluated: funcs.hasOpenGLExtension(QOpenGLExtensions::FramebufferMultisample)
0
393 -
394 -
395 -
396 -
397 funcs.glRenderbufferStorageMultisample(0x8D41, samples, -
398 0x1901, size.width(), size.height()); -
399 -
400 } else {
never executed: }
0
401 -
402 -
403 -
404 -
405 funcs.glRenderbufferStorage(0x8D41, 0x1901, -
406 size.width(), size.height()); -
407 -
408 }
never executed: }
0
409 funcs.glFramebufferRenderbuffer(0x8D40, 0x8D20, -
410 0x8D41, stencil_buffer); -
411 valid = checkFramebufferStatus(ctx); -
412 if (!valid) {
never evaluated: !valid
0
413 funcs.glDeleteRenderbuffers(1, &stencil_buffer); -
414 stencil_buffer = 0; -
415 }
never executed: }
0
416 }
never executed: }
0
417 -
418 -
419 valid = checkFramebufferStatus(ctx); -
420 -
421 if (depth_buffer && stencil_buffer) {
never evaluated: depth_buffer
never evaluated: stencil_buffer
0
422 fbo_attachment = QOpenGLFramebufferObject::CombinedDepthStencil; -
423 } else if (depth_buffer) {
never evaluated: depth_buffer
never executed: }
0
424 fbo_attachment = QOpenGLFramebufferObject::Depth; -
425 } else {
never executed: }
0
426 fbo_attachment = QOpenGLFramebufferObject::NoAttachment; -
427 }
never executed: }
0
428 -
429 if (valid) {
never evaluated: valid
0
430 if (depth_buffer)
never evaluated: depth_buffer
0
431 depth_buffer_guard = new QOpenGLSharedResourceGuard(ctx, depth_buffer, freeRenderbufferFunc);
never executed: depth_buffer_guard = new QOpenGLSharedResourceGuard(ctx, depth_buffer, freeRenderbufferFunc);
0
432 if (stencil_buffer) {
never evaluated: stencil_buffer
0
433 if (stencil_buffer == depth_buffer)
never evaluated: stencil_buffer == depth_buffer
0
434 stencil_buffer_guard = depth_buffer_guard;
never executed: stencil_buffer_guard = depth_buffer_guard;
0
435 else -
436 stencil_buffer_guard = new QOpenGLSharedResourceGuard(ctx, stencil_buffer, freeRenderbufferFunc);
never executed: stencil_buffer_guard = new QOpenGLSharedResourceGuard(ctx, stencil_buffer, freeRenderbufferFunc);
0
437 } -
438 } else {
never executed: }
0
439 if (depth_buffer)
never evaluated: depth_buffer
0
440 funcs.glDeleteRenderbuffers(1, &depth_buffer);
never executed: funcs.glDeleteRenderbuffers(1, &depth_buffer);
0
441 if (stencil_buffer && depth_buffer != stencil_buffer)
never evaluated: stencil_buffer
never evaluated: depth_buffer != stencil_buffer
0
442 funcs.glDeleteRenderbuffers(1, &stencil_buffer);
never executed: funcs.glDeleteRenderbuffers(1, &stencil_buffer);
0
443 }
never executed: }
0
444 {}; -
445 -
446 format.setAttachment(fbo_attachment); -
447}
never executed: }
0
448QOpenGLFramebufferObject::QOpenGLFramebufferObject(const QSize &size, GLenum target) -
449 : d_ptr(new QOpenGLFramebufferObjectPrivate) -
450{ -
451 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
452 d->init(this, size, NoAttachment, target, 0x8058); -
453}
never executed: }
0
454QOpenGLFramebufferObject::QOpenGLFramebufferObject(int width, int height, GLenum target) -
455 : d_ptr(new QOpenGLFramebufferObjectPrivate) -
456{ -
457 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
458 d->init(this, QSize(width, height), NoAttachment, target, 0x8058); -
459}
never executed: }
0
460 -
461 -
462 -
463 -
464 -
465 -
466 -
467QOpenGLFramebufferObject::QOpenGLFramebufferObject(const QSize &size, const QOpenGLFramebufferObjectFormat &format) -
468 : d_ptr(new QOpenGLFramebufferObjectPrivate) -
469{ -
470 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
471 d->init(this, size, format.attachment(), format.textureTarget(), format.internalTextureFormat(), -
472 format.samples(), format.mipmap()); -
473}
never executed: }
0
474 -
475 -
476 -
477 -
478 -
479 -
480 -
481QOpenGLFramebufferObject::QOpenGLFramebufferObject(int width, int height, const QOpenGLFramebufferObjectFormat &format) -
482 : d_ptr(new QOpenGLFramebufferObjectPrivate) -
483{ -
484 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
485 d->init(this, QSize(width, height), format.attachment(), format.textureTarget(), -
486 format.internalTextureFormat(), format.samples(), format.mipmap()); -
487}
never executed: }
0
488QOpenGLFramebufferObject::QOpenGLFramebufferObject(int width, int height, Attachment attachment, -
489 GLenum target, GLenum internal_format) -
490 : d_ptr(new QOpenGLFramebufferObjectPrivate) -
491{ -
492 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
493 d->init(this, QSize(width, height), attachment, target, internal_format); -
494}
never executed: }
0
495QOpenGLFramebufferObject::QOpenGLFramebufferObject(const QSize &size, Attachment attachment, -
496 GLenum target, GLenum internal_format) -
497 : d_ptr(new QOpenGLFramebufferObjectPrivate) -
498{ -
499 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
500 d->init(this, size, attachment, target, internal_format); -
501}
never executed: }
0
502 -
503 -
504 -
505 -
506 -
507 -
508QOpenGLFramebufferObject::~QOpenGLFramebufferObject() -
509{ -
510 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
511 -
512 if (d->texture_guard)
never evaluated: d->texture_guard
0
513 d->texture_guard->free();
never executed: d->texture_guard->free();
0
514 if (d->color_buffer_guard)
never evaluated: d->color_buffer_guard
0
515 d->color_buffer_guard->free();
never executed: d->color_buffer_guard->free();
0
516 if (d->depth_buffer_guard)
never evaluated: d->depth_buffer_guard
0
517 d->depth_buffer_guard->free();
never executed: d->depth_buffer_guard->free();
0
518 if (d->stencil_buffer_guard && d->stencil_buffer_guard != d->depth_buffer_guard)
never evaluated: d->stencil_buffer_guard
never evaluated: d->stencil_buffer_guard != d->depth_buffer_guard
0
519 d->stencil_buffer_guard->free();
never executed: d->stencil_buffer_guard->free();
0
520 if (d->fbo_guard)
never evaluated: d->fbo_guard
0
521 d->fbo_guard->free();
never executed: d->fbo_guard->free();
0
522}
never executed: }
0
523bool QOpenGLFramebufferObject::isValid() const -
524{ -
525 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
526 return d->valid && d->fbo_guard && d->fbo_guard->id();
never executed: return d->valid && d->fbo_guard && d->fbo_guard->id();
0
527} -
528bool QOpenGLFramebufferObject::bind() -
529{ -
530 if (!isValid())
never evaluated: !isValid()
0
531 return false;
never executed: return false;
0
532 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
533 QOpenGLContext *current = QOpenGLContext::currentContext(); -
534 if (!current)
never evaluated: !current
0
535 return false;
never executed: return false;
0
536 -
537 -
538 -
539 -
540 d->funcs.glBindFramebuffer(0x8D40, d->fbo()); -
541 d->valid = d->checkFramebufferStatus(current); -
542 if (d->valid && current)
never evaluated: d->valid
never evaluated: current
0
543 current->d_func()->current_fbo = d->fbo();
never executed: current->d_func()->current_fbo = d->fbo();
0
544 return d->valid;
never executed: return d->valid;
0
545} -
546bool QOpenGLFramebufferObject::release() -
547{ -
548 if (!isValid())
never evaluated: !isValid()
0
549 return false;
never executed: return false;
0
550 -
551 QOpenGLContext *current = QOpenGLContext::currentContext(); -
552 if (!current)
never evaluated: !current
0
553 return false;
never executed: return false;
0
554 -
555 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
556 -
557 -
558 -
559 -
560 -
561 if (current) {
never evaluated: current
0
562 current->d_func()->current_fbo = current->defaultFramebufferObject(); -
563 d->funcs.glBindFramebuffer(0x8D40, current->d_func()->current_fbo); -
564 }
never executed: }
0
565 -
566 return true;
never executed: return true;
0
567} -
568GLuint QOpenGLFramebufferObject::texture() const -
569{ -
570 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
571 return d->texture_guard ? d->texture_guard->id() : 0;
never executed: return d->texture_guard ? d->texture_guard->id() : 0;
0
572} -
573 -
574 -
575 -
576 -
577 -
578 -
579 -
580QSize QOpenGLFramebufferObject::size() const -
581{ -
582 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
583 return d->size;
never executed: return d->size;
0
584} -
585QOpenGLFramebufferObjectFormat QOpenGLFramebufferObject::format() const -
586{ -
587 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
588 return d->format;
never executed: return d->format;
0
589} -
590 -
591__attribute__((visibility("default"))) QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha) -
592{ -
593 QImage img(size, (alpha_format && include_alpha) ? QImage::Format_ARGB32_Premultiplied -
594 : QImage::Format_RGB32); -
595 int w = size.width(); -
596 int h = size.height(); -
597 -
598 -
599 -
600 -
601 GLint fmt = 0x80E1; -
602 -
603 while (glGetError());
never evaluated: glGetError()
never executed: ;
0
604 glReadPixels(0, 0, w, h, fmt, 0x1401, img.bits()); -
605 if (glGetError()) {
never evaluated: glGetError()
0
606 glReadPixels(0, 0, w, h, 0x1908, 0x1401, img.bits()); -
607 img = img.rgbSwapped(); -
608 }
never executed: }
0
609 return img.mirrored();
never executed: return img.mirrored();
0
610} -
611 -
612 -
613 -
614 -
615 -
616 -
617QImage QOpenGLFramebufferObject::toImage() const -
618{ -
619 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
620 if (!d->valid)
never evaluated: !d->valid
0
621 return QImage();
never executed: return QImage();
0
622 -
623 -
624 if (format().samples() != 0) {
never evaluated: format().samples() != 0
0
625 QOpenGLFramebufferObject temp(size(), QOpenGLFramebufferObjectFormat()); -
626 -
627 QRect rect(QPoint(0, 0), size()); -
628 blitFramebuffer(&temp, rect, const_cast<QOpenGLFramebufferObject *>(this), rect); -
629 -
630 return temp.toImage();
never executed: return temp.toImage();
0
631 } -
632 -
633 bool wasBound = isBound(); -
634 if (!wasBound)
never evaluated: !wasBound
0
635 const_cast<QOpenGLFramebufferObject *>(this)->bind();
never executed: const_cast<QOpenGLFramebufferObject *>(this)->bind();
0
636 QImage image = qt_gl_read_framebuffer(d->size, format().internalTextureFormat() != 0x1907, true); -
637 if (!wasBound)
never evaluated: !wasBound
0
638 const_cast<QOpenGLFramebufferObject *>(this)->release();
never executed: const_cast<QOpenGLFramebufferObject *>(this)->release();
0
639 -
640 return image;
never executed: return image;
0
641} -
642bool QOpenGLFramebufferObject::bindDefault() -
643{ -
644 QOpenGLContext *ctx = const_cast<QOpenGLContext *>(QOpenGLContext::currentContext()); -
645 QOpenGLFunctions functions(ctx); -
646 -
647 if (ctx) {
never evaluated: ctx
0
648 ctx->d_func()->current_fbo = ctx->defaultFramebufferObject(); -
649 functions.glBindFramebuffer(0x8D40, ctx->d_func()->current_fbo); -
650 -
651 -
652 -
653 -
654 }
never executed: }
0
655 -
656 return ctx != 0;
never executed: return ctx != 0;
0
657} -
658 -
659 -
660 -
661 -
662 -
663 -
664 -
665bool QOpenGLFramebufferObject::hasOpenGLFramebufferObjects() -
666{ -
667 return QOpenGLFunctions(QOpenGLContext::currentContext()).hasOpenGLFeature(QOpenGLFunctions::Framebuffers);
never executed: return QOpenGLFunctions(QOpenGLContext::currentContext()).hasOpenGLFeature(QOpenGLFunctions::Framebuffers);
0
668} -
669GLuint QOpenGLFramebufferObject::handle() const -
670{ -
671 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
672 return d->fbo();
never executed: return d->fbo();
0
673} -
674 -
675 -
676 -
677 -
678 -
679 -
680QOpenGLFramebufferObject::Attachment QOpenGLFramebufferObject::attachment() const -
681{ -
682 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
683 if (d->valid)
never evaluated: d->valid
0
684 return d->fbo_attachment;
never executed: return d->fbo_attachment;
0
685 return NoAttachment;
never executed: return NoAttachment;
0
686} -
687 -
688 -
689 -
690 -
691 -
692 -
693 -
694void QOpenGLFramebufferObject::setAttachment(QOpenGLFramebufferObject::Attachment attachment) -
695{ -
696 QOpenGLFramebufferObjectPrivate * const d = d_func(); -
697 if (attachment == d->fbo_attachment || !isValid())
never evaluated: attachment == d->fbo_attachment
never evaluated: !isValid()
0
698 return;
never executed: return;
0
699 QOpenGLContext *current = QOpenGLContext::currentContext(); -
700 if (!current)
never evaluated: !current
0
701 return;
never executed: return;
0
702 -
703 -
704 -
705 -
706 d->funcs.glBindFramebuffer(0x8D40, d->fbo()); -
707 d->initAttachments(current, attachment); -
708 if (current->d_func()->current_fbo != d->fbo())
never evaluated: current->d_func()->current_fbo != d->fbo()
0
709 d->funcs.glBindFramebuffer(0x8D40, current->d_func()->current_fbo);
never executed: d->funcs.glBindFramebuffer(0x8D40, current->d_func()->current_fbo);
0
710}
never executed: }
0
711 -
712 -
713 -
714 -
715 -
716 -
717bool QOpenGLFramebufferObject::isBound() const -
718{ -
719 const QOpenGLFramebufferObjectPrivate * const d = d_func(); -
720 QOpenGLContext *current = QOpenGLContext::currentContext(); -
721 return current ? current->d_func()->current_fbo == d->fbo() : false;
never executed: return current ? current->d_func()->current_fbo == d->fbo() : false;
0
722} -
723bool QOpenGLFramebufferObject::hasOpenGLFramebufferBlit() -
724{ -
725 return QOpenGLExtensions(QOpenGLContext::currentContext()).hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit);
never executed: return QOpenGLExtensions(QOpenGLContext::currentContext()).hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit);
0
726} -
727 -
728 -
729 -
730 -
731 -
732 -
733 -
734void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target, -
735 QOpenGLFramebufferObject *source, -
736 GLbitfield buffers, GLenum filter) -
737{ -
738 if (!target && !source)
never evaluated: !target
never evaluated: !source
0
739 return;
never executed: return;
0
740 -
741 QSize targetSize; -
742 QSize sourceSize; -
743 -
744 if (target)
never evaluated: target
0
745 targetSize = target->size();
never executed: targetSize = target->size();
0
746 if (source)
never evaluated: source
0
747 sourceSize = source->size();
never executed: sourceSize = source->size();
0
748 -
749 if (targetSize.isEmpty())
never evaluated: targetSize.isEmpty()
0
750 targetSize = sourceSize;
never executed: targetSize = sourceSize;
0
751 else if (sourceSize.isEmpty())
never evaluated: sourceSize.isEmpty()
0
752 sourceSize = targetSize;
never executed: sourceSize = targetSize;
0
753 -
754 blitFramebuffer(target, QRect(QPoint(0, 0), targetSize), -
755 source, QRect(QPoint(0, 0), sourceSize), -
756 buffers, filter); -
757}
never executed: }
0
758void QOpenGLFramebufferObject::blitFramebuffer(QOpenGLFramebufferObject *target, const QRect &targetRect, -
759 QOpenGLFramebufferObject *source, const QRect &sourceRect, -
760 GLbitfield buffers, -
761 GLenum filter) -
762{ -
763 QOpenGLContext *ctx = QOpenGLContext::currentContext(); -
764 if (!ctx)
never evaluated: !ctx
0
765 return;
never executed: return;
0
766 -
767 QOpenGLExtensions extensions(ctx); -
768 if (!extensions.hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit))
never evaluated: !extensions.hasOpenGLExtension(QOpenGLExtensions::FramebufferBlit)
0
769 return;
never executed: return;
0
770 -
771 const int sx0 = sourceRect.left(); -
772 const int sx1 = sourceRect.left() + sourceRect.width(); -
773 const int sy0 = sourceRect.top(); -
774 const int sy1 = sourceRect.top() + sourceRect.height(); -
775 -
776 const int tx0 = targetRect.left(); -
777 const int tx1 = targetRect.left() + targetRect.width(); -
778 const int ty0 = targetRect.top(); -
779 const int ty1 = targetRect.top() + targetRect.height(); -
780 -
781 extensions.glBindFramebuffer(0x8CA8, source ? source->handle() : 0); -
782 extensions.glBindFramebuffer(0x8CA9, target ? target->handle() : 0); -
783 -
784 extensions.glBlitFramebuffer(sx0, sy0, sx1, sy1, -
785 tx0, ty0, tx1, ty1, -
786 buffers, filter); -
787 -
788 extensions.glBindFramebuffer(0x8D40, ctx->d_func()->current_fbo); -
789}
never executed: }
0
790 -
791 -
792 -
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