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| |
| #include "qwaylandeglwindow.h" |
| |
| #include <QtWaylandClient/private/qwaylandscreen_p.h> |
| #include "qwaylandglcontext.h" |
| |
| #include <QtEglSupport/private/qeglconvenience_p.h> |
| |
| #include <QDebug> |
| #include <QtGui/QWindow> |
| #include <qpa/qwindowsysteminterface.h> |
| #include <QOpenGLFramebufferObject> |
| #include <QOpenGLContext> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QtWaylandClient { |
| |
| QWaylandEglWindow::QWaylandEglWindow(QWindow *window, QWaylandDisplay *display) |
| : QWaylandWindow(window, display) |
| , m_clientBufferIntegration(static_cast<QWaylandEglClientBufferIntegration *>(mDisplay->clientBufferIntegration())) |
| { |
| QSurfaceFormat fmt = window->requestedFormat(); |
| if (mDisplay->supportsWindowDecoration()) |
| fmt.setAlphaBufferSize(8); |
| m_eglConfig = q_configFromGLFormat(m_clientBufferIntegration->eglDisplay(), fmt); |
| m_format = q_glFormatFromConfig(m_clientBufferIntegration->eglDisplay(), m_eglConfig, fmt); |
| |
| // Do not create anything from here. This platform window may belong to a |
| // RasterGLSurface window which may have pure raster content. In this case, where the |
| // window is never actually made current, creating a wl_egl_window and EGL surface |
| // should be avoided. |
| } |
| |
| QWaylandEglWindow::~QWaylandEglWindow() |
| { |
| if (m_eglSurface) { |
| eglDestroySurface(m_clientBufferIntegration->eglDisplay(), m_eglSurface); |
| m_eglSurface = 0; |
| } |
| |
| if (m_waylandEglWindow) |
| wl_egl_window_destroy(m_waylandEglWindow); |
| |
| delete m_contentFBO; |
| } |
| |
| QWaylandWindow::WindowType QWaylandEglWindow::windowType() const |
| { |
| return QWaylandWindow::Egl; |
| } |
| |
| void QWaylandEglWindow::ensureSize() |
| { |
| updateSurface(false); |
| } |
| |
| void QWaylandEglWindow::setGeometry(const QRect &rect) |
| { |
| QWaylandWindow::setGeometry(rect); |
| // If the surface was invalidated through invalidateSurface() and |
| // we're now getting a resize we don't want to create it again. |
| // Just resize the wl_egl_window, the EGLSurface will be created |
| // the next time makeCurrent is called. |
| updateSurface(false); |
| } |
| |
| void QWaylandEglWindow::updateSurface(bool create) |
| { |
| QMargins margins = frameMargins(); |
| QRect rect = geometry(); |
| QSize sizeWithMargins = (rect.size() + QSize(margins.left() + margins.right(), margins.top() + margins.bottom())) * scale(); |
| |
| // wl_egl_windows must have both width and height > 0 |
| // mesa's egl returns NULL if we try to create a, invalid wl_egl_window, however not all EGL |
| // implementations may do that, so check the size ourself. Besides, we must deal with resizing |
| // a valid window to 0x0, which would make it invalid. Hence, destroy it. |
| if (sizeWithMargins.isEmpty()) { |
| if (m_eglSurface) { |
| eglDestroySurface(m_clientBufferIntegration->eglDisplay(), m_eglSurface); |
| m_eglSurface = 0; |
| } |
| if (m_waylandEglWindow) { |
| wl_egl_window_destroy(m_waylandEglWindow); |
| m_waylandEglWindow = 0; |
| } |
| mOffset = QPoint(); |
| } else { |
| if (m_waylandEglWindow) { |
| int current_width, current_height; |
| static bool disableResizeCheck = qgetenv("QT_WAYLAND_DISABLE_RESIZECHECK").toInt(); |
| |
| if (!disableResizeCheck) { |
| wl_egl_window_get_attached_size(m_waylandEglWindow, ¤t_width, ¤t_height); |
| } |
| if (disableResizeCheck || (current_width != sizeWithMargins.width() || current_height != sizeWithMargins.height())) { |
| wl_egl_window_resize(m_waylandEglWindow, sizeWithMargins.width(), sizeWithMargins.height(), mOffset.x(), mOffset.y()); |
| mOffset = QPoint(); |
| |
| m_resize = true; |
| } |
| } else if (create && wlSurface()) { |
| m_waylandEglWindow = wl_egl_window_create(wlSurface(), sizeWithMargins.width(), sizeWithMargins.height()); |
| } |
| |
| if (!m_eglSurface && m_waylandEglWindow && create) { |
| EGLNativeWindowType eglw = (EGLNativeWindowType) m_waylandEglWindow; |
| m_eglSurface = eglCreateWindowSurface(m_clientBufferIntegration->eglDisplay(), m_eglConfig, eglw, 0); |
| if (Q_UNLIKELY(m_eglSurface == EGL_NO_SURFACE)) |
| qCWarning(lcQpaWayland, "Could not create EGL surface (EGL error 0x%x)\n", eglGetError()); |
| } |
| } |
| } |
| |
| QRect QWaylandEglWindow::contentsRect() const |
| { |
| QRect r = geometry(); |
| QMargins m = frameMargins(); |
| return QRect(m.left(), m.bottom(), r.width(), r.height()); |
| } |
| |
| QSurfaceFormat QWaylandEglWindow::format() const |
| { |
| return m_format; |
| } |
| |
| void QWaylandEglWindow::invalidateSurface() |
| { |
| if (m_eglSurface) { |
| eglDestroySurface(m_clientBufferIntegration->eglDisplay(), m_eglSurface); |
| m_eglSurface = 0; |
| } |
| if (m_waylandEglWindow) { |
| wl_egl_window_destroy(m_waylandEglWindow); |
| m_waylandEglWindow = nullptr; |
| } |
| } |
| |
| EGLSurface QWaylandEglWindow::eglSurface() const |
| { |
| return m_eglSurface; |
| } |
| |
| GLuint QWaylandEglWindow::contentFBO() const |
| { |
| if (!decoration()) |
| return 0; |
| |
| if (m_resize || !m_contentFBO) { |
| QOpenGLFramebufferObject *old = m_contentFBO; |
| QSize fboSize = geometry().size() * scale(); |
| m_contentFBO = new QOpenGLFramebufferObject(fboSize.width(), fboSize.height(), QOpenGLFramebufferObject::CombinedDepthStencil); |
| |
| delete old; |
| m_resize = false; |
| } |
| |
| return m_contentFBO->handle(); |
| } |
| |
| GLuint QWaylandEglWindow::contentTexture() const |
| { |
| return m_contentFBO->texture(); |
| } |
| |
| void QWaylandEglWindow::bindContentFBO() |
| { |
| if (decoration()) { |
| contentFBO(); |
| m_contentFBO->bind(); |
| } |
| } |
| |
| } |
| |
| QT_END_NAMESPACE |
