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-rw-r--r--src/opengl/qgl.cpp103
1 files changed, 51 insertions, 52 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 9e69816..aac6db4 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -94,6 +94,8 @@
#include <qmutex.h>
+// #define QT_GL_CONTEXT_RESOURCE_DEBUG
+
QT_BEGIN_NAMESPACE
#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN)
@@ -1657,6 +1659,7 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
#if defined(Q_WS_WIN)
dc = 0;
win = 0;
+ threadId = 0;
pixelFormatId = 0;
cmap = 0;
hbitmap = 0;
@@ -2062,6 +2065,9 @@ QGLContext::~QGLContext()
// remove any textures cached in this context
QGLTextureCache::instance()->removeContextTextures(this);
+ // clean up resources specific to this context
+ d_ptr->cleanup();
+ // clean up resources belonging to this context's group
d_ptr->group->cleanupResources(this);
QGLSignalProxy::instance()->emitAboutToDestroyContext(this);
@@ -2070,6 +2076,10 @@ QGLContext::~QGLContext()
void QGLContextPrivate::cleanup()
{
+ QHash<QGLContextResourceBase *, void *>::ConstIterator it;
+ for (it = m_resources.begin(); it != m_resources.end(); ++it)
+ it.key()->freeResource(it.value());
+ m_resources.clear();
}
#define ctx q_ptr
@@ -2132,20 +2142,10 @@ void QGLContextPrivate::swapRegion(const QRegion *)
GLuint QGLContext::bindTexture(const QString &fileName)
{
- Q_D(QGLContext);
- QGLDDSCache *dds_cache = &(d->group->m_dds_cache);
- QGLDDSCache::const_iterator it = dds_cache->constFind(fileName);
- if (it != dds_cache->constEnd()) {
- glBindTexture(GL_TEXTURE_2D, it.value());
- return it.value();
- }
-
QGLTexture texture(this);
QSize size = texture.bindCompressedTexture(fileName);
if (!size.isValid())
return 0;
-
- dds_cache->insert(fileName, texture.id);
return texture.id;
}
@@ -2585,7 +2585,8 @@ QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target,
const QX11Info *xinfo = qt_x11Info(paintDevice);
if (pd->classId() == QPixmapData::X11Class && pd->pixelType() == QPixmapData::PixmapType
&& xinfo && xinfo->screen() == pixmap.x11Info().screen()
- && target == GL_TEXTURE_2D)
+ && target == GL_TEXTURE_2D
+ && QApplication::instance()->thread() == QThread::currentThread())
{
if (!workaround_brokenTextureFromPixmap_init) {
workaround_brokenTextureFromPixmap_init = true;
@@ -2806,24 +2807,8 @@ GLuint QGLContext::bindTexture(const QPixmap &pixmap, QMacCompatGLenum target, Q
*/
void QGLContext::deleteTexture(GLuint id)
{
- Q_D(QGLContext);
-
if (QGLTextureCache::instance()->remove(this, id))
return;
-
- // check the DDS cache if the texture wasn't found in the pixmap/image
- // cache
- QGLDDSCache *dds_cache = &(d->group->m_dds_cache);
- QList<QString> ddsKeys = dds_cache->keys();
- for (int i = 0; i < ddsKeys.size(); ++i) {
- GLuint texture = dds_cache->value(ddsKeys.at(i));
- if (id == texture) {
- dds_cache->remove(ddsKeys.at(i));
- break;
- }
- }
-
- // Finally, actually delete the texture ID
glDeleteTextures(1, &id);
}
@@ -4141,13 +4126,7 @@ bool QGLWidget::event(QEvent *e)
}
#if defined(Q_WS_X11)
- // prevents X 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 (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())
@@ -5149,24 +5128,24 @@ void QGLWidget::drawTexture(const QPointF &point, QMacCompatGLuint textureId, QM
#endif
#ifndef QT_OPENGL_ES_1
-Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_2_engine)
+Q_GLOBAL_STATIC(QGLEngineThreadStorage<QGL2PaintEngineEx>, qt_gl_2_engine)
#endif
#ifndef QT_OPENGL_ES_2
-Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_gl_engine)
+Q_GLOBAL_STATIC(QGLEngineThreadStorage<QOpenGLPaintEngine>, qt_gl_engine)
#endif
Q_OPENGL_EXPORT QPaintEngine* qt_qgl_paint_engine()
{
#if defined(QT_OPENGL_ES_1)
- return qt_gl_engine();
+ return qt_gl_engine()->engine();
#elif defined(QT_OPENGL_ES_2)
- return qt_gl_2_engine();
+ return qt_gl_2_engine()->engine();
#else
if (qt_gl_preferGL2Engine())
- return qt_gl_2_engine();
+ return qt_gl_2_engine()->engine();
else
- return qt_gl_engine();
+ return qt_gl_engine()->engine();
#endif
}
@@ -5431,13 +5410,23 @@ void QGLContextGroup::removeShare(const QGLContext *context) {
group->m_shares.clear();
}
-QGLContextResource::QGLContextResource(FreeFunc f)
- : free(f), active(0)
+QGLContextGroupResourceBase::QGLContextGroupResourceBase()
+ : active(0)
{
+#ifdef QT_GL_CONTEXT_RESOURCE_DEBUG
+ qDebug("Creating context group resource object %p.", this);
+#endif
}
-QGLContextResource::~QGLContextResource()
+QGLContextGroupResourceBase::~QGLContextGroupResourceBase()
{
+#ifdef QT_GL_CONTEXT_RESOURCE_DEBUG
+ qDebug("Deleting context group resource %p. Group size: %d.", this, m_groups.size());
+#endif
+ for (int i = 0; i < m_groups.size(); ++i) {
+ m_groups.at(i)->m_resources.remove(this);
+ active.deref();
+ }
#ifndef QT_NO_DEBUG
if (active != 0) {
qWarning("QtOpenGL: Resources are still available at program shutdown.\n"
@@ -5447,37 +5436,47 @@ QGLContextResource::~QGLContextResource()
#endif
}
-void QGLContextResource::insert(const QGLContext *key, void *value)
+void QGLContextGroupResourceBase::insert(const QGLContext *context, void *value)
{
- QGLContextGroup *group = QGLContextPrivate::contextGroup(key);
+#ifdef QT_GL_CONTEXT_RESOURCE_DEBUG
+ qDebug("Inserting context group resource %p for context %p, managed by %p.", value, context, this);
+#endif
+ QGLContextGroup *group = QGLContextPrivate::contextGroup(context);
Q_ASSERT(!group->m_resources.contains(this));
group->m_resources.insert(this, value);
+ m_groups.append(group);
active.ref();
}
-void *QGLContextResource::value(const QGLContext *key)
+void *QGLContextGroupResourceBase::value(const QGLContext *context)
{
- QGLContextGroup *group = QGLContextPrivate::contextGroup(key);
+ QGLContextGroup *group = QGLContextPrivate::contextGroup(context);
return group->m_resources.value(this, 0);
}
-void QGLContextResource::cleanup(const QGLContext *ctx, void *value)
+void QGLContextGroupResourceBase::cleanup(const QGLContext *ctx, void *value)
{
+#ifdef QT_GL_CONTEXT_RESOURCE_DEBUG
+ qDebug("Cleaning up context group resource %p, for context %p in thread %p.", this, ctx, QThread::currentThread());
+#endif
QGLShareContextScope scope(ctx);
- free(value);
+ freeResource(value);
active.deref();
+
+ QGLContextGroup *group = QGLContextPrivate::contextGroup(ctx);
+ m_groups.removeOne(group);
}
-void QGLContextGroup::cleanupResources(const QGLContext *ctx)
+void QGLContextGroup::cleanupResources(const QGLContext *context)
{
// If there are still shares, then no cleanup to be done yet.
if (m_shares.size() > 1)
return;
// Iterate over all resources and free each in turn.
- QHash<QGLContextResource *, void *>::ConstIterator it;
+ QHash<QGLContextGroupResourceBase *, void *>::ConstIterator it;
for (it = m_resources.begin(); it != m_resources.end(); ++it)
- it.key()->cleanup(ctx, it.value());
+ it.key()->cleanup(context, it.value());
}
QGLSharedResourceGuard::~QGLSharedResourceGuard()