diff options
Diffstat (limited to 'src')
7 files changed, 32 insertions, 9 deletions
diff --git a/src/gui/kernel/qplatformintegration.cpp b/src/gui/kernel/qplatformintegration.cpp index 06e41f7364..a0e65654a6 100644 --- a/src/gui/kernel/qplatformintegration.cpp +++ b/src/gui/kernel/qplatformintegration.cpp @@ -224,7 +224,8 @@ QPlatformServices *QPlatformIntegration::services() const platforms where no window management is available, meaning for example that windows are never repositioned by the window manager. The default implementation returns \c true. - \value AllGLFunctionsQueryable The QOpenGLContext backend provided by the platform is + \value AllGLFunctionsQueryable Deprecated. Used to indicate whether the QOpenGLContext + backend provided by the platform is able to return function pointers from getProcAddress() even for standard OpenGL functions, for example OpenGL 1 functions like glClear() or glDrawArrays(). This is important because the OpenGL specifications do not require this ability from the @@ -232,7 +233,8 @@ QPlatformServices *QPlatformIntegration::services() const platform plugins may however choose to enhance the behavior in the backend implementation for QOpenGLContext::getProcAddress() and support returning a function pointer also for the standard, non-extension functions. This capability is a - prerequisite for dynamic OpenGL loading. + prerequisite for dynamic OpenGL loading. Starting with Qt 5.7, the platform plugin + is required to have this capability. \value ApplicationIcon The platform supports setting the application icon. (since 5.5) */ diff --git a/src/gui/kernel/qplatformopenglcontext.cpp b/src/gui/kernel/qplatformopenglcontext.cpp index 5b375f7883..07b5a0dda6 100644 --- a/src/gui/kernel/qplatformopenglcontext.cpp +++ b/src/gui/kernel/qplatformopenglcontext.cpp @@ -73,7 +73,9 @@ QT_BEGIN_NAMESPACE /*! \fn QFunctionPointer QPlatformOpenGLContext::getProcAddress(const char *procName) - Reimplement in subclass to native getProcAddr calls. + Reimplement in subclass to allow dynamic querying of OpenGL symbols. As opposed to e.g. the wglGetProcAddress + function on Windows, Qt expects this methods to be able to return valid function pointers even for standard + OpenGL symbols. */ class QPlatformOpenGLContextPrivate diff --git a/src/platformsupport/eglconvenience/eglconvenience.pri b/src/platformsupport/eglconvenience/eglconvenience.pri index f1e0d58a6d..fe6d0eb748 100644 --- a/src/platformsupport/eglconvenience/eglconvenience.pri +++ b/src/platformsupport/eglconvenience/eglconvenience.pri @@ -26,4 +26,6 @@ contains(QT_CONFIG,egl) { LIBS_PRIVATE += $$QMAKE_LIBS_X11 } CONFIG += egl + + LIBS_PRIVATE += $$QMAKE_LIBS_DYNLOAD } diff --git a/src/platformsupport/eglconvenience/qeglplatformcontext.cpp b/src/platformsupport/eglconvenience/qeglplatformcontext.cpp index e4cfb86ab3..bd7254b73a 100644 --- a/src/platformsupport/eglconvenience/qeglplatformcontext.cpp +++ b/src/platformsupport/eglconvenience/qeglplatformcontext.cpp @@ -48,6 +48,9 @@ #ifdef Q_OS_ANDROID #include <QtCore/private/qjnihelpers_p.h> #endif +#ifndef Q_OS_WIN +#include <dlfcn.h> +#endif QT_BEGIN_NAMESPACE @@ -443,7 +446,12 @@ void QEGLPlatformContext::swapBuffers(QPlatformSurface *surface) QFunctionPointer QEGLPlatformContext::getProcAddress(const char *procName) { eglBindAPI(m_api); - return eglGetProcAddress(procName); + QFunctionPointer proc = (QFunctionPointer) eglGetProcAddress(procName); +#ifndef Q_OS_WIN + if (!proc) + proc = (QFunctionPointer) dlsym(RTLD_DEFAULT, procName); +#endif + return proc; } QSurfaceFormat QEGLPlatformContext::format() const diff --git a/src/plugins/platforms/directfb/qdirectfbglcontext.cpp b/src/plugins/platforms/directfb/qdirectfbglcontext.cpp index e1607b131a..847435d96e 100644 --- a/src/plugins/platforms/directfb/qdirectfbglcontext.cpp +++ b/src/plugins/platforms/directfb/qdirectfbglcontext.cpp @@ -40,6 +40,7 @@ #include "qdirectfbglcontext.h" #include <directfbgl.h> +#include <dlfcn.h> #include <QDebug> @@ -80,13 +81,13 @@ void QDirectFbGLContext::doneCurrent() m_dfbGlContext->Unlock(m_dfbGlContext); } -void *QDirectFbGLContext::getProcAddress(const char *procName) +QFunctionPointer QDirectFbGLContext::getProcAddress(const char *procName) { void *proc; DFBResult result = m_dfbGlContext->GetProcAddress(m_dfbGlContext, procName, &proc); if (result == DFB_OK) - return proc; - return 0; + return (QFunctionPointer) proc; + return dlsym(RTLD_DEFAULT, procName); } void QDirectFbGLContext::swapBuffers() diff --git a/src/plugins/platforms/mirclient/qmirclientglcontext.cpp b/src/plugins/platforms/mirclient/qmirclientglcontext.cpp index 7a288af6ff..b1ca0b1f7c 100644 --- a/src/plugins/platforms/mirclient/qmirclientglcontext.cpp +++ b/src/plugins/platforms/mirclient/qmirclientglcontext.cpp @@ -40,6 +40,7 @@ #include "qmirclientlogging.h" #include <QtPlatformSupport/private/qeglconvenience_p.h> #include <QtGui/private/qopenglcontext_p.h> +#include <dlfcn.h> #if !defined(QT_NO_DEBUG) static void printOpenGLESConfig() { @@ -150,5 +151,8 @@ QFunctionPointer QMirClientOpenGLContext::getProcAddress(const char *procName) #else ASSERT(eglBindAPI(api_in_use()) == EGL_TRUE); #endif - return eglGetProcAddress(procName); + QFunctionPointer proc = (QFunctionPointer) eglGetProcAddress(procName); + if (!proc) + proc = (QFunctionPointer) dlsym(RTLD_DEFAULT, procName); + return proc; } diff --git a/src/plugins/platforms/openwfd/qopenwfdglcontext.cpp b/src/plugins/platforms/openwfd/qopenwfdglcontext.cpp index e57be90870..31d369ae00 100644 --- a/src/plugins/platforms/openwfd/qopenwfdglcontext.cpp +++ b/src/plugins/platforms/openwfd/qopenwfdglcontext.cpp @@ -41,6 +41,7 @@ #include "qopenwfdwindow.h" #include "qopenwfdscreen.h" +#include <dlfcn.h> QOpenWFDGLContext::QOpenWFDGLContext(QOpenWFDDevice *device) : QPlatformOpenGLContext() @@ -86,7 +87,10 @@ void QOpenWFDGLContext::swapBuffers(QPlatformSurface *surface) QFunctionPointer QOpenWFDGLContext::getProcAddress(const char *procName) { - return eglGetProcAddress(procName); + QFunctionPointer proc = (QFunctionPointer) eglGetProcAddress(procName); + if (!proc) + proc = (QFunctionPointer) dlsym(RTLD_DEFAULT, procName); + return proc; } EGLContext QOpenWFDGLContext::eglContext() const |