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| ****************************************************************************/ |
| |
| |
| #include "qqnxeglwindow.h" |
| #include "qqnxscreen.h" |
| #include "qqnxglcontext.h" |
| |
| #include <QDebug> |
| |
| #include <errno.h> |
| |
| #if defined(QQNXEGLWINDOW_DEBUG) |
| #define qEglWindowDebug qDebug |
| #else |
| #define qEglWindowDebug QT_NO_QDEBUG_MACRO |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| QQnxEglWindow::QQnxEglWindow(QWindow *window, screen_context_t context, bool needRootWindow) : |
| QQnxWindow(window, context, needRootWindow), |
| m_newSurfaceRequested(true), |
| m_eglDisplay(EGL_NO_DISPLAY), |
| m_eglSurface(EGL_NO_SURFACE) |
| { |
| initWindow(); |
| |
| m_requestedBufferSize = shouldMakeFullScreen() ? screen()->geometry().size() : window->geometry().size(); |
| } |
| |
| QQnxEglWindow::~QQnxEglWindow() |
| { |
| // Cleanup EGL surface if it exists |
| destroyEGLSurface(); |
| } |
| |
| bool QQnxEglWindow::isInitialized() const |
| { |
| return m_eglSurface != EGL_NO_SURFACE; |
| } |
| |
| void QQnxEglWindow::ensureInitialized(QQnxGLContext* context) |
| { |
| if (m_newSurfaceRequested.testAndSetOrdered(true, false)) { |
| const QMutexLocker locker(&m_mutex); // Set geomety must not reset the requestedBufferSize till |
| // the surface is created |
| |
| if (m_requestedBufferSize != bufferSize() || m_eglSurface == EGL_NO_SURFACE) { |
| if (m_eglSurface != EGL_NO_SURFACE) { |
| context->doneCurrent(); |
| destroyEGLSurface(); |
| } |
| createEGLSurface(context); |
| } else { |
| // Must've been a sequence of unprocessed changes returning us to the original size. |
| resetBuffers(); |
| } |
| } |
| } |
| |
| void QQnxEglWindow::createEGLSurface(QQnxGLContext *context) |
| { |
| if (context->format().renderableType() != QSurfaceFormat::OpenGLES) { |
| qFatal("QQnxEglWindow: renderable type is not OpenGLES"); |
| return; |
| } |
| |
| // Set window usage |
| int usage = SCREEN_USAGE_OPENGL_ES2; |
| #if _SCREEN_VERSION >= _SCREEN_MAKE_VERSION(1, 0, 0) |
| if (context->format().majorVersion() == 3) |
| usage |= SCREEN_USAGE_OPENGL_ES3; |
| #endif |
| |
| const int result = screen_set_window_property_iv(nativeHandle(), SCREEN_PROPERTY_USAGE, &usage); |
| if (Q_UNLIKELY(result != 0)) |
| qFatal("QQnxEglWindow: failed to set window usage, errno=%d", errno); |
| |
| if (!m_requestedBufferSize.isValid()) { |
| qWarning("QQNX: Trying to create 0 size EGL surface. " |
| "Please set a valid window size before calling QOpenGLContext::makeCurrent()"); |
| return; |
| } |
| |
| m_eglDisplay = context->eglDisplay(); |
| m_eglConfig = context->eglConfig(); |
| m_format = context->format(); |
| |
| // update the window's buffers before we create the EGL surface |
| setBufferSize(m_requestedBufferSize); |
| |
| const EGLint eglSurfaceAttrs[] = |
| { |
| EGL_RENDER_BUFFER, EGL_BACK_BUFFER, |
| EGL_NONE |
| }; |
| |
| qEglWindowDebug() << "Creating EGL surface from" << this << context |
| << window()->surfaceType() << window()->type(); |
| |
| // Create EGL surface |
| EGLSurface eglSurface = eglCreateWindowSurface( |
| m_eglDisplay, |
| m_eglConfig, |
| (EGLNativeWindowType) nativeHandle(), |
| eglSurfaceAttrs); |
| |
| if (eglSurface == EGL_NO_SURFACE) |
| qWarning("QQNX: failed to create EGL surface, err=%d", eglGetError()); |
| |
| m_eglSurface = eglSurface; |
| } |
| |
| void QQnxEglWindow::destroyEGLSurface() |
| { |
| // Destroy EGL surface if it exists |
| if (m_eglSurface != EGL_NO_SURFACE) { |
| EGLBoolean eglResult = eglDestroySurface(m_eglDisplay, m_eglSurface); |
| if (Q_UNLIKELY(eglResult != EGL_TRUE)) |
| qFatal("QQNX: failed to destroy EGL surface, err=%d", eglGetError()); |
| } |
| |
| m_eglSurface = EGL_NO_SURFACE; |
| } |
| |
| EGLSurface QQnxEglWindow::surface() const |
| { |
| return m_eglSurface; |
| } |
| |
| void QQnxEglWindow::setGeometry(const QRect &rect) |
| { |
| //If this is the root window, it has to be shown fullscreen |
| const QRect &newGeometry = shouldMakeFullScreen() ? screen()->geometry() : rect; |
| |
| //We need to request that the GL context updates |
| // the EGLsurface on which it is rendering. |
| { |
| // We want the setting of the atomic bool in the GL context to be atomic with |
| // setting m_requestedBufferSize and therefore extended the scope to include |
| // that test. |
| const QMutexLocker locker(&m_mutex); |
| m_requestedBufferSize = newGeometry.size(); |
| if (isInitialized() && bufferSize() != newGeometry.size()) |
| m_newSurfaceRequested.testAndSetRelease(false, true); |
| } |
| QQnxWindow::setGeometry(newGeometry); |
| } |
| |
| int QQnxEglWindow::pixelFormat() const |
| { |
| // Extract size of color channels from window format |
| const int redSize = m_format.redBufferSize(); |
| if (Q_UNLIKELY(redSize == -1)) |
| qFatal("QQnxWindow: red size not defined"); |
| |
| const int greenSize = m_format.greenBufferSize(); |
| if (Q_UNLIKELY(greenSize == -1)) |
| qFatal("QQnxWindow: green size not defined"); |
| |
| const int blueSize = m_format.blueBufferSize(); |
| if (Q_UNLIKELY(blueSize == -1)) |
| qFatal("QQnxWindow: blue size not defined"); |
| |
| // select matching native format |
| if (redSize == 5 && greenSize == 6 && blueSize == 5) |
| return SCREEN_FORMAT_RGB565; |
| else if (redSize == 8 && greenSize == 8 && blueSize == 8) |
| return SCREEN_FORMAT_RGBA8888; |
| |
| qFatal("QQnxWindow: unsupported pixel format"); |
| } |
| |
| void QQnxEglWindow::resetBuffers() |
| { |
| m_requestedBufferSize = QSize(); |
| } |
| |
| QT_END_NAMESPACE |