Differential D26309 Diff 72890 backends/xrandr/xrandroutput.cpp

Changeset View

Standalone View

View Options

backends/xrandr/xrandroutput.cpp

Show All 34 Lines
35xcb_render_fixed_t fZero = DOUBLE_TO_FIXED(0); 35​xcb_render_fixed_t fZero = DOUBLE_TO_FIXED(0);
36 36​
37XRandROutput::XRandROutput(xcb_randr_output_t id, XRandRConfig *config) 37​XRandROutput::XRandROutput(xcb_randr_output_t id, XRandRConfig *config)
38 : QObject(config) 38​ : QObject(config)
39 , m_config(config) 39​ , m_config(config)
40 , m_id(id) 40​ , m_id(id)
41 , m_primary(false) 41​ , m_primary(false)
42 , m_type(KScreen::Output::Unknown) 42​ , m_type(KScreen::Output::Unknown)
43 , m_replicationSource(XCB_NONE) ​
44 , m_crtc(nullptr) 43​ , m_crtc(nullptr)
45{ 44​{
46 init(); 45​ init();
47} 46​}
48 47​
49XRandROutput::~XRandROutput() 48​XRandROutput::~XRandROutput()
50{ 49​{
51} 50​}
▲ Show 20 Lines • Show All 72 Lines • ▼ Show 20 Line(s)119{
124 return m_edid; 123​ return m_edid;
125} 124​}
126 125​
127XRandRCrtc* XRandROutput::crtc() const 126​XRandRCrtc* XRandROutput::crtc() const
128{ 127​{
129 return m_crtc; 128​ return m_crtc;
130} 129​}
131 130​
132xcb_randr_output_t XRandROutput::replicationSource() const ​
133{ ​
134 return m_replicationSource; ​
135} ​
136 ​
137void XRandROutput::update() 131​void XRandROutput::update()
138{ 132​{
139 init(); 133​ init();
140} 134​}
141 135​
142void XRandROutput::update(xcb_randr_crtc_t crtc, xcb_randr_mode_t mode, xcb_randr_connection_t conn, 136​void XRandROutput::update(xcb_randr_crtc_t crtc, xcb_randr_mode_t mode, xcb_randr_connection_t conn,
143 bool primary) 137​ bool primary)
144{ 138​{
▲ Show 20 Lines • Show All 177 Lines • ▼ Show 20 Line(s)
322 316​
323bool isScaling(const xcb_render_transform_t &tr) 317​bool isScaling(const xcb_render_transform_t &tr)
324{ 318​{
325 return tr.matrix11 != fZero && tr.matrix12 == fZero && tr.matrix13 == fZero && 319​ return tr.matrix11 != fZero && tr.matrix12 == fZero && tr.matrix13 == fZero &&
326 tr.matrix21 == fZero && tr.matrix22 != fZero && tr.matrix23 == fZero && 320​ tr.matrix21 == fZero && tr.matrix22 != fZero && tr.matrix23 == fZero &&
327 tr.matrix31 == fZero && tr.matrix32 == fZero && tr.matrix33 == fOne; 321​ tr.matrix31 == fZero && tr.matrix32 == fZero && tr.matrix33 == fOne;
328} 322​}
329 323​
330xcb_render_transform_t zeroMatrix() 324​xcb_render_transform_t zeroTransform()
331{ 325​{
332 return { DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), 326​ return { DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
333 DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), 327​ DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
334 DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0) }; 328​ DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0) };
335} 329​}
336 330​
331​xcb_render_transform_t unityTransform()
332​{
333​ return { DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
334​ DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0),
335​ DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1) };
336​}
337​
337xcb_render_transform_t XRandROutput::currentTransform() const 338​xcb_render_transform_t XRandROutput::currentTransform() const
338{ 339​{
339 auto cookie = xcb_randr_get_crtc_transform(XCB::connection(), m_crtc->crtc()); 340​ auto cookie = xcb_randr_get_crtc_transform(XCB::connection(), m_crtc->crtc());
340 xcb_generic_error_t *error = nullptr; 341​ xcb_generic_error_t *error = nullptr;
341 auto *reply = xcb_randr_get_crtc_transform_reply(XCB::connection(), cookie, &error); 342​ auto *reply = xcb_randr_get_crtc_transform_reply(XCB::connection(), cookie, &error);
342 if (error) { 343​ if (error) {
343 return zeroMatrix(); 344​ return zeroTransform();
344 } 345​ }
345 346​
346 const xcb_render_transform_t transform = reply->pending_transform; 347​ const xcb_render_transform_t transform = reply->pending_transform;
347 free(reply); 348​ free(reply);
348 return transform; 349​ return transform;
349} 350​}
350 351​
351QSizeF XRandROutput::scaledSize(xcb_render_transform_t transform) const 352​QSizeF XRandROutput::logicalSize() const
352{ 353​{
353 const QSize ownSize = size(); 354​ const QSize modeSize = size();
354 if (!ownSize.isValid()) { 355​ if (!modeSize.isValid()) {
355 return QSize(); 356​ return QSize();
356 } 357​ }
357 358​
358 const qreal width = FIXED_TO_DOUBLE(transform.matrix11) * ownSize.width(); 359​ const xcb_render_transform_t transform = currentTransform();
359 const qreal height = FIXED_TO_DOUBLE(transform.matrix22) * ownSize.height(); 360​ const qreal width = FIXED_TO_DOUBLE(transform.matrix11) * modeSize.width();
361​ const qreal height = FIXED_TO_DOUBLE(transform.matrix22) * modeSize.height();
360 362​
361 return QSizeF(width, height); 363​ return QSizeF(width, height);
362} 364​}
363 365​
364bool XRandROutput::isReplicaOf(XRandROutput *output, xcb_render_transform_t ownTransform) const 366​void XRandROutput::updateLogicalSize(const KScreen::OutputPtr &output)
365{ ​
366 if (output->id() == m_id) { ​
367 return false; ​
368 } ​
369 if (output->position() != position()) { ​
370 return false; ​
371 } ​
372 if (output->replicationSource() != XCB_NONE) { ​
373 return false; ​
374 } ​
375 ​
376 const QSizeF sSize = scaledSize(ownTransform); ​
377 if (!sSize.isValid()) { ​
378 return false; ​
379 } ​
380 ​
381 const auto outputTransform = output->currentTransform(); ​
382 if (!isScaling(outputTransform)) { ​
383 return false; ​
384 } ​
385 ​
386 if (sSize != output->scaledSize(outputTransform)) { ​
387 return false; ​
388 } ​
389 ​
390 return true; ​
391} ​
392 ​
393xcb_render_transform_t unityTransform() ​
394{ 367​{
395 return { DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), 368​ const QSizeF logicalSize = output->explicitLogicalSize();
396 DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), 369​ xcb_render_transform_t transform = unityTransform();
397 DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1) }; ​
398} ​
399 ​
400xcb_render_transform_t XRandROutput::getReplicationTransform(XRandROutput *source) ​
401{ ​
402 if (!source) { ​
403 return unityTransform(); ​
404 } ​
405 ​
406 const auto *sourceMode = source->currentMode(); ​
407 const auto *ownMode = currentMode(); ​
408 if (!sourceMode || !ownMode) { ​
409 return unityTransform(); ​
410 } ​
411 ​
412 QSize sourceSize = sourceMode->size(); ​
413 QSize size = ownMode->size(); ​
414 370​
415 if (isHorizontal()) { 371​ KScreen::ModePtr mode = output->currentMode() ? output->currentMode() : output->preferredMode();
416 if (!source->isHorizontal()) { 372​ if(mode && logicalSize.isValid()) {
417 sourceSize.transpose(); 373​ QSize modeSize = mode->size();
418 } 374​ if (!output->isHorizontal()) {
419 } else if (source->isHorizontal()) { 375​ modeSize.transpose();
420 size.transpose(); ​
421 } 376​ }
422 377​
423 const qreal widthFactor = sourceSize.width() / (qreal)size.width(); 378​ const qreal widthFactor = logicalSize.width() / (qreal)modeSize.width();
424 const qreal heightFactor = sourceSize.height() / (qreal)size.height(); 379​ const qreal heightFactor = logicalSize.height() / (qreal)modeSize.height();
425 ​
426 xcb_render_transform_t transform = unityTransform(); ​
427 transform.matrix11 = DOUBLE_TO_FIXED(widthFactor); 380​ transform.matrix11 = DOUBLE_TO_FIXED(widthFactor);
428 transform.matrix22 = DOUBLE_TO_FIXED(heightFactor); 381​ transform.matrix22 = DOUBLE_TO_FIXED(heightFactor);
429 ​
430 return transform; ​
431} ​
432 ​
433bool XRandROutput::updateReplication() ​
434{ ​
435 XRandROutput *source = m_config->output(m_replicationSource); ​
436 if (source && (!source->isEnabled() || !source->isConnected())) { ​
437 return false; ​
438 } 382​ }
439 383​
440 xcb_render_transform_t transform = getReplicationTransform(source); ​
441 QByteArray filterName(isScaling(transform) ? "bilinear" : "nearest"); 384​ QByteArray filterName(isScaling(transform) ? "bilinear" : "nearest");
442 385​
443 auto cookie = xcb_randr_set_crtc_transform_checked(XCB::connection(), 386​ auto cookie = xcb_randr_set_crtc_transform_checked(XCB::connection(),
444 m_crtc->crtc(), 387​ m_crtc->crtc(),
445 transform, 388​ transform,
446 filterName.size(), filterName.data(), 389​ filterName.size(), filterName.data(),
447 0, nullptr); 390​ 0, nullptr);
448 xcb_generic_error_t *error = xcb_request_check(XCB::connection(), cookie); 391​ xcb_generic_error_t *error = xcb_request_check(XCB::connection(), cookie);
449 if (error) { 392​ if (error) {
450 qCDebug(KSCREEN_XRANDR) << "Error on replication transformation!"; 393​ qCDebug(KSCREEN_XRANDR) << "Error on logical size transformation!";
451 free(error); ​
452 return false; ​
453 } ​
454 free(error); 394​ free(error);
455 return true; ​
456} ​
457 ​
458bool XRandROutput::setReplicationSource(xcb_randr_output_t source) ​
459{ ​
460 if (!m_crtc) { ​
461 return false; ​
462 } ​
463 if (m_replicationSource == source) { ​
464 return true; ​
465 } ​
466 xcb_randr_output_t oldSource = m_replicationSource; ​
467 m_replicationSource = source; ​
468 if (!updateReplication()) { ​
469 m_replicationSource = oldSource; ​
470 return false; ​
471 } 395​ }
472 return true; ​
473} 396​}
474 397​
475KScreen::OutputPtr XRandROutput::toKScreenOutput() const 398​KScreen::OutputPtr XRandROutput::toKScreenOutput() const
476{ 399​{
477 KScreen::OutputPtr kscreenOutput(new KScreen::Output); 400​ KScreen::OutputPtr kscreenOutput(new KScreen::Output);
478 401​
479 const bool signalsBlocked = kscreenOutput->signalsBlocked(); 402​ const bool signalsBlocked = kscreenOutput->signalsBlocked();
480 kscreenOutput->blockSignals(true); 403​ kscreenOutput->blockSignals(true);
Show All 27 Lines415 if (isConnected()) {
508 }(m_clones)); 431​ }(m_clones));
509 kscreenOutput->setEnabled(isEnabled()); 432​ kscreenOutput->setEnabled(isEnabled());
510 if (isEnabled()) { 433​ if (isEnabled()) {
511 kscreenOutput->setSize(size()); 434​ kscreenOutput->setSize(size());
512 kscreenOutput->setPos(position()); 435​ kscreenOutput->setPos(position());
513 kscreenOutput->setRotation(rotation()); 436​ kscreenOutput->setRotation(rotation());
514 kscreenOutput->setCurrentModeId(currentModeId()); 437​ kscreenOutput->setCurrentModeId(currentModeId());
515 } 438​ }
516 kscreenOutput->setReplicationSource(m_replicationSource); 439​ // TODO: set logical size?
517 } 440​ }
518 441​
519 kscreenOutput->blockSignals(signalsBlocked); 442​ kscreenOutput->blockSignals(signalsBlocked);
520 return kscreenOutput; 443​ return kscreenOutput;
521} 444​}