Differential D19860 Diff 55433 plugins/platforms/drm/drm_output.cpp

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plugins/platforms/drm/drm_output.cpp

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19*********************************************************************/ 19​*********************************************************************/
20#include "drm_output.h" 20​#include "drm_output.h"
21#include "drm_backend.h" 21​#include "drm_backend.h"
22#include "drm_object_plane.h" 22​#include "drm_object_plane.h"
23#include "drm_object_crtc.h" 23​#include "drm_object_crtc.h"
24#include "drm_object_connector.h" 24​#include "drm_object_connector.h"
25 25​
26#include <errno.h> 26​#include <errno.h>
27​#include <cmath>
27 28​
28#include "composite.h" 29​#include "composite.h"
29#include "logind.h" 30​#include "logind.h"
30#include "logging.h" 31​#include "logging.h"
31#include "main.h" 32​#include "main.h"
32#include "orientation_sensor.h" 33​#include "orientation_sensor.h"
33#include "screens_drm.h" 34​#include "screens_drm.h"
34#include "wayland_server.h" 35​#include "wayland_server.h"
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708} 709​}
709 710​
710void DrmOutput::transform(KWayland::Server::OutputDeviceInterface::Transform transform) 711​void DrmOutput::transform(KWayland::Server::OutputDeviceInterface::Transform transform)
711{ 712​{
712 waylandOutputDevice()->setTransform(transform); 713​ waylandOutputDevice()->setTransform(transform);
713 using KWayland::Server::OutputDeviceInterface; 714​ using KWayland::Server::OutputDeviceInterface;
714 using KWayland::Server::OutputInterface; 715​ using KWayland::Server::OutputInterface;
715 auto wlOutput = waylandOutput(); 716​ auto wlOutput = waylandOutput();
717​ m_softwareRotationAngle = 0;
716 718​
717 switch (transform) { 719​ switch (transform) {
718 case OutputDeviceInterface::Transform::Normal: 720​ case OutputDeviceInterface::Transform::Normal:
719 if (m_primaryPlane) { 721​ if (m_primaryPlane) {
720 m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate0); 722​ m_primaryPlane->setTransformation(DrmPlane::Transformation::Rotate0);
721 } 723​ }
722 if (wlOutput) { 724​ if (wlOutput) {
723 wlOutput->setTransform(OutputInterface::Transform::Normal); 725​ wlOutput->setTransform(OutputInterface::Transform::Normal);
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799 } 801​ }
800 m_mode = connector->modes[modeIndex]; 802​ m_mode = connector->modes[modeIndex];
801 m_modesetRequested = true; 803​ m_modesetRequested = true;
802 setWaylandMode(); 804​ setWaylandMode();
803} 805​}
804 806​
805QSize DrmOutput::pixelSize() const 807​QSize DrmOutput::pixelSize() const
806{ 808​{
807 return orientateSize(QSize(m_mode.hdisplay, m_mode.vdisplay)); 809​ return QSize(m_mode.hdisplay, m_mode.vdisplay);
808} 810​}
809 811​
810void DrmOutput::setWaylandMode() 812​void DrmOutput::setWaylandMode()
811{ 813​{
812 AbstractOutput::setWaylandMode(QSize(m_mode.hdisplay, m_mode.vdisplay), 814​ AbstractOutput::setWaylandMode(QSize(m_mode.hdisplay, m_mode.vdisplay),
813 refreshRateForMode(&m_mode)); 815​ refreshRateForMode(&m_mode));
814} 816​}
815 817​
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892 } 894​ }
893 m_nextPlanesFlipList.clear(); 895​ m_nextPlanesFlipList.clear();
894 dpmsOffHandler(); 896​ dpmsOffHandler();
895 897​
896 return true; 898​ return true;
897 899​
898} 900​}
899 901​
902​///Copied from QPlatformScreen
903​static int angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b)
904​{
905​ if (a == Qt::PrimaryOrientation) a = Qt::LandscapeOrientation;
906​ if (b == Qt::PrimaryOrientation) b = Qt::LandscapeOrientation;
907​
908​ if (a == b)
909​ return 0;
910​
911​ int ia = std::log2(uint(a));
912​ int ib = std::log2(uint(b));
913​
914​ int delta = ia - ib;
915​
916​ if (delta < 0)
917​ delta = delta + 4;
918​
919​ int angles[] = { 0, 90, 180, 270 };
920​ return angles[delta];
921​}
zzagUnsubmitted
Not Done

I know that you copied this code, but could we maybe re-format it accordingly to the Frameworks coding style?

Also, it would be great to use more const.

zzag: I know that you copied this code, but could we maybe re-format it accordingly to the Frameworks…
apolAuthorUnsubmitted
Not Done

I would rather not.

apol: I would rather not.
922​
900bool DrmOutput::presentAtomically(DrmBuffer *buffer) 923​bool DrmOutput::presentAtomically(DrmBuffer *buffer)
901{ 924​{
902 if (!LogindIntegration::self()->isActiveSession()) { 925​ if (!LogindIntegration::self()->isActiveSession()) {
903 qCWarning(KWIN_DRM) << "Logind session not active."; 926​ qCWarning(KWIN_DRM) << "Logind session not active.";
904 return false; 927​ return false;
905 } 928​ }
906 929​
907 if (m_pageFlipPending) { 930​ if (m_pageFlipPending) {
908 qCWarning(KWIN_DRM) << "Page not yet flipped."; 931​ qCWarning(KWIN_DRM) << "Page not yet flipped.";
909 return false; 932​ return false;
910 } 933​ }
911 934​
912 m_primaryPlane->setNext(buffer); 935​ m_primaryPlane->setNext(buffer);
913 m_nextPlanesFlipList << m_primaryPlane; 936​ m_nextPlanesFlipList << m_primaryPlane;
914 937​
915 if (!doAtomicCommit(AtomicCommitMode::Test)) { 938​ if (!doAtomicCommit(AtomicCommitMode::Test)) {
916 //TODO: When we use planes for layered rendering, fallback to renderer instead. Also for direct scanout? 939​ //TODO: When we use planes for layered rendering, fallback to renderer instead. Also for direct scanout?
917 //TODO: Probably should undo setNext and reset the flip list 940​ //TODO: Probably should undo setNext and reset the flip list
918 qCDebug(KWIN_DRM) << "Atomic test commit failed. Aborting present."; 941​ qCDebug(KWIN_DRM) << "Atomic test commit failed. Aborting present.";
919 // go back to previous state 942​ // go back to previous state
920 if (m_lastWorkingState.valid) { 943​ if (m_lastWorkingState.valid) {
921 m_mode = m_lastWorkingState.mode; 944​ m_mode = m_lastWorkingState.mode;
922 setOrientation(m_lastWorkingState.orientation); 945​ m_softwareRotationAngle = angleBetween(m_lastWorkingState.orientation, orientation());
946​ qCDebug(KWIN_DRM) << "software rotation to" << m_softwareRotationAngle;
923 setGlobalPos(m_lastWorkingState.globalPos); 947​ setGlobalPos(m_lastWorkingState.globalPos);
924 if (m_primaryPlane) { 948​ if (m_primaryPlane) {
925 m_primaryPlane->setTransformation(m_lastWorkingState.planeTransformations); 949​ m_primaryPlane->setTransformation(m_lastWorkingState.planeTransformations);
926 } 950​ }
927 m_modesetRequested = true; 951​ m_modesetRequested = true;
928 // the cursor might need to get rotated 952​ // the cursor might need to get rotated
929 updateCursor(); 953​ updateCursor();
930 showCursor(); 954​ showCursor();
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