qminimaleglscreen.cpp

Enable keyboard shortcuts

// 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

// Qt-Security score:significant reason:default

#include "qminimaleglscreen.h"

#include "qminimaleglwindow.h"

#include <QtGui/private/qeglconvenience_p.h>

#ifndef QT_NO_OPENGL

# include <QtGui/private/qeglplatformcontext_p.h>

#endif

#ifdef Q_OPENKODE

#include <KD/kd.h>

#include <KD/NV_initialize.h>

#endif //Q_OPENKODE

QT_BEGIN_NAMESPACE

// #define QEGL_EXTRA_DEBUG

#ifndef QT_NO_OPENGL

class QMinimalEglContext : public QEGLPlatformContext

public:

    QMinimalEglContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display)

        : QEGLPlatformContext(format, share, display)

    EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface) override

        QMinimalEglWindow *window = static_cast<QMinimalEglWindow *>(surface);

        QMinimalEglScreen *screen = static_cast<QMinimalEglScreen *>(window->screen());

        return screen->surface();

};

#endif

QMinimalEglScreen::QMinimalEglScreen(EGLNativeDisplayType display)

    : m_depth(32)

    , m_format(QImage::Format_Invalid)

    , m_platformContext(nullptr)

    , m_surface(nullptr)

#ifdef QEGL_EXTRA_DEBUG

    qWarning("QEglScreen %p\n", this);

#endif

    EGLint major, minor;

    if (Q_UNLIKELY(!eglBindAPI(EGL_OPENGL_ES_API))) {

        qWarning("Could not bind GL_ES API\n");

        qFatal("EGL error");

    m_dpy = eglGetDisplay(display);

    if (Q_UNLIKELY(m_dpy == EGL_NO_DISPLAY)) {

        qWarning("Could not open egl display\n");

        qFatal("EGL error");

    qWarning("Opened display %p\n", m_dpy);

    if (Q_UNLIKELY(!eglInitialize(m_dpy, &major, &minor))) {

        qWarning("Could not initialize egl display\n");

        qFatal("EGL error");

    qWarning("Initialized display %d %d\n", major, minor);

QMinimalEglScreen::~QMinimalEglScreen()

    if (m_surface)

        eglDestroySurface(m_dpy, m_surface);

    eglTerminate(m_dpy);

void QMinimalEglScreen::createAndSetPlatformContext() const {

    const_cast<QMinimalEglScreen *>(this)->createAndSetPlatformContext();

void QMinimalEglScreen::createAndSetPlatformContext()

    QSurfaceFormat platformFormat;

    QByteArray depthString = qgetenv("QT_QPA_EGLFS_DEPTH");

    if (depthString.toInt() == 16) {

        platformFormat.setDepthBufferSize(16);

        platformFormat.setRedBufferSize(5);

        platformFormat.setGreenBufferSize(6);

        platformFormat.setBlueBufferSize(5);

        m_depth = 16;

        m_format = QImage::Format_RGB16;

    } else {

        platformFormat.setDepthBufferSize(24);

        platformFormat.setStencilBufferSize(8);

        platformFormat.setRedBufferSize(8);

        platformFormat.setGreenBufferSize(8);

        platformFormat.setBlueBufferSize(8);

        m_depth = 32;

        m_format = QImage::Format_RGB32;

    if (!qEnvironmentVariableIsEmpty("QT_QPA_EGLFS_MULTISAMPLE"))

        platformFormat.setSamples(4);

    EGLConfig config = q_configFromGLFormat(m_dpy, platformFormat);

    EGLNativeWindowType eglWindow = 0;

#ifdef Q_OPENKODE

    if (Q_UNLIKELY(kdInitializeNV() == KD_ENOTINITIALIZED))

        qFatal("Did not manage to initialize openkode");

    KDWindow *window = kdCreateWindow(m_dpy,config,0);

    kdRealizeWindow(window,&eglWindow);

#endif

#ifdef QEGL_EXTRA_DEBUG

    q_printEglConfig(m_dpy, config);

#endif

    m_surface = eglCreateWindowSurface(m_dpy, config, eglWindow, nullptr);

    if (Q_UNLIKELY(m_surface == EGL_NO_SURFACE)) {

        qWarning("Could not create the egl surface: error = 0x%x\n", eglGetError());

        eglTerminate(m_dpy);

        qFatal("EGL error");

    //    qWarning("Created surface %dx%d\n", w, h);

#ifndef QT_NO_OPENGL

    QEGLPlatformContext *platformContext = new QMinimalEglContext(platformFormat, nullptr, m_dpy);

    m_platformContext = platformContext;

#endif

    EGLint w,h;                    // screen size detection

    eglQuerySurface(m_dpy, m_surface, EGL_WIDTH, &w);

    eglQuerySurface(m_dpy, m_surface, EGL_HEIGHT, &h);

    m_geometry = QRect(0,0,w,h);

QRect QMinimalEglScreen::geometry() const

    if (m_geometry.isNull()) {

        createAndSetPlatformContext();

    return m_geometry;

int QMinimalEglScreen::depth() const

    return m_depth;

QImage::Format QMinimalEglScreen::format() const

    if (m_format == QImage::Format_Invalid)

        createAndSetPlatformContext();

    return m_format;

#ifndef QT_NO_OPENGL

QPlatformOpenGLContext *QMinimalEglScreen::platformContext() const

    if (!m_platformContext) {

        QMinimalEglScreen *that = const_cast<QMinimalEglScreen *>(this);

        that->createAndSetPlatformContext();

    return m_platformContext;

#endif

QT_END_NAMESPACE