/*!
\since 4.8
Returns a platform window format for the OpenGL format specified by \a format.
*/
QPlatformWindowFormat QGLFormat::toPlatformWindowFormat(const QGLFormat &format)
{
QPlatformWindowFormat retFormat;
retFormat.setAccum(format.accum());
if (format.accumBufferSize() >= 0)
retFormat.setAccumBufferSize(format.accumBufferSize());
retFormat.setAlpha(format.alpha());
if (format.alphaBufferSize() >= 0)
retFormat.setAlphaBufferSize(format.alphaBufferSize());
if (format.blueBufferSize() >= 0)
retFormat.setBlueBufferSize(format.blueBufferSize());
retFormat.setDepth(format.depth());
if (format.depthBufferSize() >= 0)
retFormat.setDepthBufferSize(format.depthBufferSize());
retFormat.setDirectRendering(format.directRendering());
retFormat.setDoubleBuffer(format.doubleBuffer());
if (format.greenBufferSize() >= 0)
retFormat.setGreenBufferSize(format.greenBufferSize());
if (format.redBufferSize() >= 0)
retFormat.setRedBufferSize(format.redBufferSize());
retFormat.setRgba(format.rgba());
retFormat.setSampleBuffers(format.sampleBuffers());
if (format.samples() >= 0)
retFormat.setSamples(format.samples());
retFormat.setStencil(format.stencil());
if (format.stencilBufferSize() >= 0)
retFormat.setStencilBufferSize(format.stencilBufferSize());
retFormat.setStereo(format.stereo());
retFormat.setSwapInterval(format.swapInterval());
return retFormat;
}
QPlatformWindowFormat qglx_reducePlatformWindowFormat(const QPlatformWindowFormat &format, bool *reduced)
{
QPlatformWindowFormat retFormat = format;
*reduced = true;
if (retFormat.sampleBuffers()) {
retFormat.setSampleBuffers(false);
} else if (retFormat.stereo()) {
retFormat.setStereo(false);
} else if (retFormat.accum()) {
retFormat.setAccum(false);
}else if (retFormat.stencil()) {
retFormat.setStencil(false);
}else if (retFormat.alpha()) {
retFormat.setAlpha(false);
}else if (retFormat.depth()) {
retFormat.setDepth(false);
}else if (retFormat.doubleBuffer()) {
retFormat.setDoubleBuffer(false);
}else{
*reduced = false;
}
return retFormat;
}
void QEglFSScreen::createAndSetPlatformContext()
{
QPlatformWindowFormat platformFormat = QPlatformWindowFormat::defaultFormat();
platformFormat.setWindowApi(QPlatformWindowFormat::OpenGL);
QByteArray depthString = qgetenv("QT_QPA_EGLFS_DEPTH");
if (depthString.toInt() == 16) {
platformFormat.setDepth(16);
platformFormat.setRedBufferSize(5);
platformFormat.setGreenBufferSize(6);
platformFormat.setBlueBufferSize(5);
m_depth = 16;
m_format = QImage::Format_RGB16;
} else {
platformFormat.setDepth(32);
platformFormat.setRedBufferSize(8);
platformFormat.setGreenBufferSize(8);
platformFormat.setBlueBufferSize(8);
m_depth = 32;
m_format = QImage::Format_RGB32;
}
if (!qgetenv("QT_QPA_EGLFS_MULTISAMPLE").isEmpty()) {
platformFormat.setSampleBuffers(true);
}
EGLConfig config = q_configFromQPlatformWindowFormat(m_dpy, platformFormat);
EGLNativeWindowType eglWindow = 0;
#ifdef Q_OPENKODE
if (kdInitializeNV() == KD_ENOTINITIALIZED) {
qFatal("Did not manage to initialize openkode");
}
KDWindow *window = kdCreateWindow(m_dpy,config,0);
kdRealizeWindow(window,&eglWindow);
#endif
m_surface = eglCreateWindowSurface(m_dpy, config, eglWindow, NULL);
if (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);
#ifdef QEGL_EXTRA_DEBUG
qWarning("Configuration %d matches requirements\n", (int)config);
for (index = 0; attrs[index].attr != -1; ++index) {
EGLint value;
if (eglGetConfigAttrib(m_dpy, config, attrs[index].attr, &value)) {
qWarning("\t%s: %d\n", attrs[index].name, (int)value);
}
}
qWarning("\n");
#endif
EGLint temp;
EGLint attribList[32];
temp = 0;
attribList[temp++] = EGL_CONTEXT_CLIENT_VERSION;
attribList[temp++] = 2; // GLES version 2
attribList[temp++] = EGL_NONE;
QEGLPlatformContext *platformContext = new QEGLPlatformContext(m_dpy,config,attribList,m_surface,EGL_OPENGL_ES_API);
m_platformContext = platformContext;
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);
}