diff options
Diffstat (limited to 'src/opengl/qgl.cpp')
-rw-r--r-- | src/opengl/qgl.cpp | 90 |
1 files changed, 78 insertions, 12 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 71d42a5..aac6db4 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -98,7 +98,7 @@ QT_BEGIN_NAMESPACE -#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS) +#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN) QGLExtensionFuncs QGLContextPrivate::qt_extensionFuncs; #endif @@ -1691,6 +1691,10 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format) workaround_needsFullClearOnEveryFrame = false; workaround_brokenFBOReadBack = false; workaroundsCached = false; + + workaround_brokenTextureFromPixmap = false; + workaround_brokenTextureFromPixmap_init = false; + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) vertexAttributeArraysEnabledState[i] = false; } @@ -2260,7 +2264,7 @@ static void convertToGLFormatHelper(QImage &dst, const QImage &img, GLenum textu } } -#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS) +#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN) QGLExtensionFuncs& QGLContextPrivate::extensionFuncs(const QGLContext *) { return qt_extensionFuncs; @@ -2283,11 +2287,19 @@ QImage QGLContextPrivate::convertToGLFormat(const QImage &image, bool force_prem QGLTexture *QGLContextPrivate::bindTexture(const QImage &image, GLenum target, GLint format, QGLContext::BindOptions options) { + Q_Q(QGLContext); + const qint64 key = image.cacheKey(); QGLTexture *texture = textureCacheLookup(key, target); if (texture) { - glBindTexture(target, texture->id); - return texture; + if (image.paintingActive()) { + // A QPainter is active on the image - take the safe route and replace the texture. + q->deleteTexture(texture->id); + texture = 0; + } else { + glBindTexture(target, texture->id); + return texture; + } } if (!texture) @@ -2553,14 +2565,19 @@ QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target, } #else Q_UNUSED(pd); - Q_UNUSED(q); #endif const qint64 key = pixmap.cacheKey(); QGLTexture *texture = textureCacheLookup(key, target); if (texture) { - glBindTexture(target, texture->id); - return texture; + if (pixmap.paintingActive()) { + // A QPainter is active on the pixmap - take the safe route and replace the texture. + q->deleteTexture(texture->id); + texture = 0; + } else { + glBindTexture(target, texture->id); + return texture; + } } #if defined(Q_WS_X11) @@ -2571,11 +2588,27 @@ QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target, && target == GL_TEXTURE_2D && QApplication::instance()->thread() == QThread::currentThread()) { - texture = bindTextureFromNativePixmap(const_cast<QPixmap*>(&pixmap), key, options); - if (texture) { - texture->options |= QGLContext::MemoryManagedBindOption; - texture->boundPixmap = pd; - boundPixmaps.insert(pd, QPixmap(pixmap)); + if (!workaround_brokenTextureFromPixmap_init) { + workaround_brokenTextureFromPixmap_init = true; + + const QByteArray versionString(reinterpret_cast<const char*>(glGetString(GL_VERSION))); + const int pos = versionString.indexOf("NVIDIA "); + + if (pos >= 0) { + const QByteArray nvidiaVersionString = versionString.mid(pos + strlen("NVIDIA ")); + + if (nvidiaVersionString.startsWith("195") || nvidiaVersionString.startsWith("256")) + workaround_brokenTextureFromPixmap = true; + } + } + + if (!workaround_brokenTextureFromPixmap) { + texture = bindTextureFromNativePixmap(const_cast<QPixmap*>(&pixmap), key, options); + if (texture) { + texture->options |= QGLContext::MemoryManagedBindOption; + texture->boundPixmap = pd; + boundPixmaps.insert(pd, QPixmap(pixmap)); + } } } #endif @@ -4156,6 +4189,34 @@ bool QGLWidget::event(QEvent *e) d->glcx->d_ptr->clearDrawable(); # endif } +#elif defined(Q_OS_SYMBIAN) + // prevents errors on some systems, where we get a flush to a + // hidden widget + if (e->type() == QEvent::Hide) { + makeCurrent(); + glFinish(); + doneCurrent(); + } else if (e->type() == QEvent::ParentChange) { + // if we've reparented a window that has the current context + // bound, we need to rebind that context to the new window id + if (d->glcx == QGLContext::currentContext()) + makeCurrent(); + + if (testAttribute(Qt::WA_TranslucentBackground)) + setContext(new QGLContext(d->glcx->requestedFormat(), this)); + } + + // A re-parent is likely to destroy the Symbian window and re-create it. It is important + // that we free the EGL surface _before_ the winID changes - otherwise we can leak. + if (e->type() == QEvent::ParentAboutToChange) + d->glcx->d_func()->destroyEglSurfaceForDevice(); + + if ((e->type() == QEvent::ParentChange) || (e->type() == QEvent::WindowStateChange)) { + // The window may have been re-created during re-parent or state change - if so, the EGL + // surface will need to be re-created. + d->recreateEglSurface(); + } + #endif return QWidget::event(e); @@ -4363,6 +4424,11 @@ void QGLWidget::glDraw() Q_D(QGLWidget); if (!isValid()) return; +#ifdef Q_OS_SYMBIAN + // Crashes on Symbian if trying to render to invisible surfaces + if (!isVisible() && d->glcx->device()->devType() == QInternal::Widget) + return; +#endif makeCurrent(); #ifndef QT_OPENGL_ES if (d->glcx->deviceIsPixmap()) |