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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qeglfsmaliintegration.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/fb.h>
#include <private/qcore_unix_p.h>
QT_BEGIN_NAMESPACE
struct shadow_fbdev_window {
unsigned short width;
unsigned short height;
};
void QEglFSMaliIntegration::platformInit()
{
// Keep the non-overridden base class functions based on fb0 working.
QEglFSDeviceIntegration::platformInit();
int fd = qt_safe_open("/dev/fb0", O_RDWR, 0);
if (fd == -1)
qWarning("Failed to open fb to detect screen resolution!");
struct fb_var_screeninfo vinfo;
memset(&vinfo, 0, sizeof(vinfo));
if (ioctl(fd, FBIOGET_VSCREENINFO, &vinfo) == -1)
qWarning("Could not get variable screen info");
vinfo.bits_per_pixel = 32;
vinfo.red.length = 8;
vinfo.green.length = 8;
vinfo.blue.length = 8;
vinfo.transp.length = 8;
vinfo.blue.offset = 0;
vinfo.green.offset = 8;
vinfo.red.offset = 16;
vinfo.transp.offset = 24;
#if 0
vinfo.yres_virtual = 2 * vinfo.yres;
#endif
if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo) == -1)
qErrnoWarning(errno, "Unable to set double buffer mode!");
qt_safe_close(fd);
}
EGLNativeWindowType QEglFSMaliIntegration::createNativeWindow(QPlatformWindow *window, const QSize &size, const QSurfaceFormat &format)
{
Q_UNUSED(window);
Q_UNUSED(format);
shadow_fbdev_window *fbwin = reinterpret_cast<shadow_fbdev_window *>(malloc(sizeof(shadow_fbdev_window)));
if (NULL == fbwin)
return 0;
fbwin->width = size.width();
fbwin->height = size.height();
return (EGLNativeWindowType)fbwin;
}
void QEglFSMaliIntegration::destroyNativeWindow(EGLNativeWindowType window)
{
free((void*)window);
}
QT_END_NAMESPACE
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