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// Copyright (C) 2016 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qeglfskmsegldevicescreen.h"
#include "qeglfskmsegldevice.h"
#include <QGuiApplication>
#include <QLoggingCategory>
#include <errno.h>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(qLcEglfsKmsDebug)
QEglFSKmsEglDeviceScreen::QEglFSKmsEglDeviceScreen(QEglFSKmsDevice *device, const QKmsOutput &output)
: QEglFSKmsScreen(device, output)
{
}
QEglFSKmsEglDeviceScreen::~QEglFSKmsEglDeviceScreen()
{
const int remainingScreenCount = qGuiApp->screens().count();
qCDebug(qLcEglfsKmsDebug, "Screen dtor. Remaining screens: %d", remainingScreenCount);
if (!remainingScreenCount && !device()->screenConfig()->separateScreens())
static_cast<QEglFSKmsEglDevice *>(device())->destroyGlobalCursor();
}
QPlatformCursor *QEglFSKmsEglDeviceScreen::cursor() const
{
// The base class creates a cursor via integration->createCursor()
// in its ctor. With separateScreens just use that. Otherwise
// there's a virtual desktop and the device has a global cursor
// and the base class has no dedicated cursor at all.
// config->hwCursor() is ignored for now, just use the standard OpenGL cursor.
return device()->screenConfig()->separateScreens()
? QEglFSScreen::cursor()
: static_cast<QEglFSKmsEglDevice *>(device())->globalCursor();
}
void QEglFSKmsEglDeviceScreen::waitForFlip()
{
QKmsOutput &op(output());
const int fd = device()->fd();
const uint32_t w = op.modes[op.mode].hdisplay;
const uint32_t h = op.modes[op.mode].vdisplay;
if (!op.mode_set) {
op.mode_set = true;
drmModeCrtcPtr currentMode = drmModeGetCrtc(fd, op.crtc_id);
const bool alreadySet = currentMode && currentMode->width == w && currentMode->height == h;
if (currentMode)
drmModeFreeCrtc(currentMode);
if (alreadySet) {
// Maybe detecting the DPMS mode could help here, but there are no properties
// exposed on the connector apparently. So rely on an env var for now.
static bool alwaysDoSet = qEnvironmentVariableIntValue("QT_QPA_EGLFS_ALWAYS_SET_MODE");
if (!alwaysDoSet) {
qCDebug(qLcEglfsKmsDebug, "Mode already set");
return;
}
}
qCDebug(qLcEglfsKmsDebug, "Setting mode");
int ret = drmModeSetCrtc(fd, op.crtc_id,
uint32_t(-1), 0, 0,
&op.connector_id, 1,
&op.modes[op.mode]);
if (ret)
qErrnoWarning(errno, "drmModeSetCrtc failed");
}
if (!op.forced_plane_set) {
op.forced_plane_set = true;
if (op.wants_forced_plane) {
qCDebug(qLcEglfsKmsDebug, "Setting plane %u", op.forced_plane_id);
int ret = drmModeSetPlane(fd, op.forced_plane_id, op.crtc_id, uint32_t(-1), 0,
0, 0, w, h,
0 << 16, 0 << 16, op.size.width() << 16, op.size.height() << 16);
if (ret == -1)
qErrnoWarning(errno, "drmModeSetPlane failed");
}
}
}
QT_END_NAMESPACE
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