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Diffstat (limited to 'src/plugins/platforms/qnx/qqnxglcontext.cpp')
-rw-r--r--src/plugins/platforms/qnx/qqnxglcontext.cpp154
1 files changed, 42 insertions, 112 deletions
diff --git a/src/plugins/platforms/qnx/qqnxglcontext.cpp b/src/plugins/platforms/qnx/qqnxglcontext.cpp
index ed959467ff..448509c69d 100644
--- a/src/plugins/platforms/qnx/qqnxglcontext.cpp
+++ b/src/plugins/platforms/qnx/qqnxglcontext.cpp
@@ -60,36 +60,10 @@ QT_BEGIN_NAMESPACE
EGLDisplay QQnxGLContext::ms_eglDisplay = EGL_NO_DISPLAY;
-static EGLenum checkEGLError(const char *msg)
-{
- static const char *errmsg[] =
- {
- "EGL function succeeded",
- "EGL is not initialized, or could not be initialized, for the specified display",
- "EGL cannot access a requested resource",
- "EGL failed to allocate resources for the requested operation",
- "EGL fail to access an unrecognized attribute or attribute value was passed in an attribute list",
- "EGLConfig argument does not name a valid EGLConfig",
- "EGLContext argument does not name a valid EGLContext",
- "EGL current surface of the calling thread is no longer valid",
- "EGLDisplay argument does not name a valid EGLDisplay",
- "EGL arguments are inconsistent",
- "EGLNativePixmapType argument does not refer to a valid native pixmap",
- "EGLNativeWindowType argument does not refer to a valid native window",
- "EGL one or more argument values are invalid",
- "EGLSurface argument does not name a valid surface configured for rendering",
- "EGL power management event has occurred",
- };
- EGLenum error = eglGetError();
- fprintf(stderr, "%s: %s\n", msg, errmsg[error - EGL_SUCCESS]);
- return error;
-}
-
QQnxGLContext::QQnxGLContext(QOpenGLContext *glContext)
: QPlatformOpenGLContext(),
m_glContext(glContext),
- m_eglSurface(EGL_NO_SURFACE),
- m_newSurfaceRequested(true) // Create a surface the first time makeCurrent() is called
+ m_currentEglSurface(EGL_NO_SURFACE)
{
qGLContextDebug() << Q_FUNC_INFO;
QSurfaceFormat format = m_glContext->format();
@@ -168,9 +142,31 @@ QQnxGLContext::~QQnxGLContext()
// Cleanup EGL context if it exists
if (m_eglContext != EGL_NO_CONTEXT)
eglDestroyContext(ms_eglDisplay, m_eglContext);
+}
- // Cleanup EGL surface if it exists
- destroySurface();
+EGLenum QQnxGLContext::checkEGLError(const char *msg)
+{
+ static const char *errmsg[] =
+ {
+ "EGL function succeeded",
+ "EGL is not initialized, or could not be initialized, for the specified display",
+ "EGL cannot access a requested resource",
+ "EGL failed to allocate resources for the requested operation",
+ "EGL fail to access an unrecognized attribute or attribute value was passed in an attribute list",
+ "EGLConfig argument does not name a valid EGLConfig",
+ "EGLContext argument does not name a valid EGLContext",
+ "EGL current surface of the calling thread is no longer valid",
+ "EGLDisplay argument does not name a valid EGLDisplay",
+ "EGL arguments are inconsistent",
+ "EGLNativePixmapType argument does not refer to a valid native pixmap",
+ "EGLNativeWindowType argument does not refer to a valid native window",
+ "EGL one or more argument values are invalid",
+ "EGLSurface argument does not name a valid surface configured for rendering",
+ "EGL power management event has occurred",
+ };
+ EGLenum error = eglGetError();
+ fprintf(stderr, "%s: %s\n", msg, errmsg[error - EGL_SUCCESS]);
+ return error;
}
void QQnxGLContext::initialize()
@@ -199,12 +195,6 @@ void QQnxGLContext::shutdown()
eglTerminate(ms_eglDisplay);
}
-void QQnxGLContext::requestSurfaceChange()
-{
- qGLContextDebug() << Q_FUNC_INFO;
- m_newSurfaceRequested.testAndSetRelease(false, true);
-}
-
bool QQnxGLContext::makeCurrent(QPlatformSurface *surface)
{
qGLContextDebug() << Q_FUNC_INFO;
@@ -216,14 +206,18 @@ bool QQnxGLContext::makeCurrent(QPlatformSurface *surface)
if (eglResult != EGL_TRUE)
qFatal("QQnxGLContext: failed to set EGL API, err=%d", eglGetError());
- if (m_newSurfaceRequested.testAndSetOrdered(true, false)) {
- qGLContextDebug() << "New EGL surface requested";
+ QQnxWindow *platformWindow = dynamic_cast<QQnxWindow*>(surface);
+ if (!platformWindow)
+ return false;
+
+ platformWindow->setPlatformOpenGLContext(this);
+
+ if (m_currentEglSurface == EGL_NO_SURFACE || m_currentEglSurface != platformWindow->getSurface()) {
+ m_currentEglSurface = platformWindow->getSurface();
doneCurrent();
- destroySurface();
- createSurface(surface);
}
- eglResult = eglMakeCurrent(ms_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext);
+ eglResult = eglMakeCurrent(ms_eglDisplay, m_currentEglSurface, m_currentEglSurface, m_eglContext);
if (eglResult != EGL_TRUE) {
checkEGLError("eglMakeCurrent");
qFatal("QQNX: failed to set current EGL context, err=%d", eglGetError());
@@ -248,18 +242,12 @@ void QQnxGLContext::doneCurrent()
void QQnxGLContext::swapBuffers(QPlatformSurface *surface)
{
- Q_UNUSED(surface);
qGLContextDebug() << Q_FUNC_INFO;
+ QQnxWindow *platformWindow = dynamic_cast<QQnxWindow*>(surface);
+ if (!platformWindow)
+ return;
- // Set current rendering API
- EGLBoolean eglResult = eglBindAPI(EGL_OPENGL_ES_API);
- if (eglResult != EGL_TRUE)
- qFatal("QQNX: failed to set EGL API, err=%d", eglGetError());
-
- // Post EGL surface to window
- eglResult = eglSwapBuffers(ms_eglDisplay, m_eglSurface);
- if (eglResult != EGL_TRUE)
- qFatal("QQNX: failed to swap EGL buffers, err=%d", eglGetError());
+ platformWindow->swapEGLBuffers();
}
QFunctionPointer QQnxGLContext::getProcAddress(const QByteArray &procName)
@@ -275,6 +263,10 @@ QFunctionPointer QQnxGLContext::getProcAddress(const QByteArray &procName)
return static_cast<QFunctionPointer>(eglGetProcAddress(procName.constData()));
}
+EGLDisplay QQnxGLContext::getEglDisplay() {
+ return ms_eglDisplay;
+}
+
EGLint *QQnxGLContext::contextAttrs()
{
qGLContextDebug() << Q_FUNC_INFO;
@@ -288,66 +280,4 @@ EGLint *QQnxGLContext::contextAttrs()
#endif
}
-bool QQnxGLContext::isCurrent() const
-{
- qGLContextDebug() << Q_FUNC_INFO;
- return (eglGetCurrentContext() == m_eglContext);
-}
-
-void QQnxGLContext::createSurface(QPlatformSurface *surface)
-{
- qGLContextDebug() << Q_FUNC_INFO;
-
- // Get a pointer to the corresponding platform window
- QQnxWindow *platformWindow = dynamic_cast<QQnxWindow*>(surface);
- if (!platformWindow)
- qFatal("QQNX: unable to create EGLSurface without a QQnxWindow");
-
- // Link the window and context
- platformWindow->setPlatformOpenGLContext(this);
-
- // Fetch the surface size from the window and update
- // the window's buffers before we create the EGL surface
- const QSize surfaceSize = platformWindow->requestedBufferSize();
- if (!surfaceSize.isValid()) {
- qFatal("QQNX: Trying to create 0 size EGL surface. "
- "Please set a valid window size before calling QOpenGLContext::makeCurrent()");
- }
- platformWindow->setBufferSize(surfaceSize);
-
- // Post root window, in case it hasn't been posted yet, to make it appear.
- platformWindow->screen()->onWindowPost(platformWindow);
-
- // Obtain the native handle for our window
- screen_window_t handle = platformWindow->nativeHandle();
-
- const EGLint eglSurfaceAttrs[] =
- {
- EGL_RENDER_BUFFER, EGL_BACK_BUFFER,
- EGL_NONE
- };
-
- // Create EGL surface
- m_eglSurface = eglCreateWindowSurface(ms_eglDisplay, m_eglConfig, (EGLNativeWindowType) handle, eglSurfaceAttrs);
- if (m_eglSurface == EGL_NO_SURFACE) {
- checkEGLError("eglCreateWindowSurface");
- qFatal("QQNX: failed to create EGL surface, err=%d", eglGetError());
- }
-}
-
-void QQnxGLContext::destroySurface()
-{
- qGLContextDebug() << Q_FUNC_INFO;
-
- // Destroy EGL surface if it exists
- if (m_eglSurface != EGL_NO_SURFACE) {
- EGLBoolean eglResult = eglDestroySurface(ms_eglDisplay, m_eglSurface);
- if (eglResult != EGL_TRUE) {
- qFatal("QQNX: failed to destroy EGL surface, err=%d", eglGetError());
- }
- }
-
- m_eglSurface = EGL_NO_SURFACE;
-}
-
QT_END_NAMESPACE
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 16:45:55 +0000