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-rw-r--r--src/gui/image/qimagepixmapcleanuphooks.cpp20
-rw-r--r--src/gui/image/qimagepixmapcleanuphooks_p.h23
-rw-r--r--src/gui/image/qpixmap.cpp12
-rw-r--r--src/gui/image/qpixmap_x11.cpp7
-rw-r--r--src/gui/image/qpixmapdata.cpp11
-rw-r--r--src/gui/image/qpixmapdata_p.h8
-rw-r--r--src/opengl/qgl.cpp32
-rw-r--r--src/opengl/qgl_p.h9
-rw-r--r--src/opengl/qglpixmapfilter.cpp22
-rw-r--r--tests/auto/qgl/qgl.pro4
-rw-r--r--tests/auto/qgl/qgl.qrc5
-rw-r--r--tests/auto/qgl/tst_qgl.cpp240
12 files changed, 326 insertions, 67 deletions
diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp
index 61d538f..ace4bb6 100644
--- a/src/gui/image/qimagepixmapcleanuphooks.cpp
+++ b/src/gui/image/qimagepixmapcleanuphooks.cpp
@@ -62,12 +62,12 @@ QImagePixmapCleanupHooks *QImagePixmapCleanupHooks::instance()
return qt_image_and_pixmap_cleanup_hooks();
}
-void QImagePixmapCleanupHooks::addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapModificationHooks.append(hook);
}
-void QImagePixmapCleanupHooks::addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapDestructionHooks.append(hook);
}
@@ -78,12 +78,12 @@ void QImagePixmapCleanupHooks::addImageHook(_qt_image_cleanup_hook_64 hook)
imageHooks.append(hook);
}
-void QImagePixmapCleanupHooks::removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapModificationHooks.removeAll(hook);
}
-void QImagePixmapCleanupHooks::removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm hook)
+void QImagePixmapCleanupHooks::removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd hook)
{
pixmapDestructionHooks.removeAll(hook);
}
@@ -93,24 +93,24 @@ void QImagePixmapCleanupHooks::removeImageHook(_qt_image_cleanup_hook_64 hook)
imageHooks.removeAll(hook);
}
-void QImagePixmapCleanupHooks::executePixmapModificationHooks(QPixmap* pm)
+void QImagePixmapCleanupHooks::executePixmapDataModificationHooks(QPixmapData* pmd)
{
QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
for (int i = 0; i < h->pixmapModificationHooks.count(); ++i)
- h->pixmapModificationHooks[i](pm);
+ h->pixmapModificationHooks[i](pmd);
if (qt_pixmap_cleanup_hook_64)
- qt_pixmap_cleanup_hook_64(pm->cacheKey());
+ qt_pixmap_cleanup_hook_64(pmd->cacheKey());
}
-void QImagePixmapCleanupHooks::executePixmapDestructionHooks(QPixmap* pm)
+void QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(QPixmapData* pmd)
{
QImagePixmapCleanupHooks *h = qt_image_and_pixmap_cleanup_hooks();
for (int i = 0; i < h->pixmapDestructionHooks.count(); ++i)
- h->pixmapDestructionHooks[i](pm);
+ h->pixmapDestructionHooks[i](pmd);
if (qt_pixmap_cleanup_hook_64)
- qt_pixmap_cleanup_hook_64(pm->cacheKey());
+ qt_pixmap_cleanup_hook_64(pmd->cacheKey());
}
void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h
index 7176044..88dd3a6 100644
--- a/src/gui/image/qimagepixmapcleanuphooks_p.h
+++ b/src/gui/image/qimagepixmapcleanuphooks_p.h
@@ -58,7 +58,8 @@
QT_BEGIN_NAMESPACE
typedef void (*_qt_image_cleanup_hook_64)(qint64);
-typedef void (*_qt_pixmap_cleanup_hook_pm)(QPixmap*);
+typedef void (*_qt_pixmap_cleanup_hook_pmd)(QPixmapData*);
+
class QImagePixmapCleanupHooks;
@@ -71,27 +72,27 @@ public:
static void enableCleanupHooks(const QPixmap &pixmap);
static void enableCleanupHooks(QPixmapData *pixmapData);
- // Gets called when a pixmap is about to be modified:
- void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm);
+ // Gets called when a pixmap data is about to be modified:
+ void addPixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd);
- // Gets called when a pixmap is about to be destroyed:
- void addPixmapDestructionHook(_qt_pixmap_cleanup_hook_pm);
+ // Gets called when a pixmap data is about to be destroyed:
+ void addPixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd);
// Gets called when an image is about to be modified or destroyed:
void addImageHook(_qt_image_cleanup_hook_64);
- void removePixmapModificationHook(_qt_pixmap_cleanup_hook_pm);
- void removePixmapDestructionHook(_qt_pixmap_cleanup_hook_pm);
+ void removePixmapDataModificationHook(_qt_pixmap_cleanup_hook_pmd);
+ void removePixmapDataDestructionHook(_qt_pixmap_cleanup_hook_pmd);
void removeImageHook(_qt_image_cleanup_hook_64);
- static void executePixmapModificationHooks(QPixmap*);
- static void executePixmapDestructionHooks(QPixmap*);
+ static void executePixmapDataModificationHooks(QPixmapData*);
+ static void executePixmapDataDestructionHooks(QPixmapData*);
static void executeImageHooks(qint64 key);
private:
QList<_qt_image_cleanup_hook_64> imageHooks;
- QList<_qt_pixmap_cleanup_hook_pm> pixmapModificationHooks;
- QList<_qt_pixmap_cleanup_hook_pm> pixmapDestructionHooks;
+ QList<_qt_pixmap_cleanup_hook_pmd> pixmapModificationHooks;
+ QList<_qt_pixmap_cleanup_hook_pmd> pixmapDestructionHooks;
};
QT_END_NAMESPACE
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index f823fdc..d1e5c40 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -320,8 +320,6 @@ QPixmap::QPixmap(const char * const xpm[])
QPixmap::~QPixmap()
{
Q_ASSERT(!data || data->ref >= 1); // Catch if ref-counting changes again
- if (data && data->is_cached && data->ref == 1) // ref will be decrememnted after destructor returns
- QImagePixmapCleanupHooks::executePixmapDestructionHooks(this);
}
/*!
@@ -1025,12 +1023,8 @@ qint64 QPixmap::cacheKey() const
if (isNull())
return 0;
- int classKey = data->classId();
- if (classKey >= 1024)
- classKey = -(classKey >> 10);
- return ((((qint64) classKey) << 56)
- | (((qint64) data->serialNumber()) << 32)
- | ((qint64) (data->detach_no)));
+ Q_ASSERT(data);
+ return data->cacheKey();
}
static void sendResizeEvents(QWidget *target)
@@ -1943,7 +1937,7 @@ void QPixmap::detach()
}
if (data->is_cached && data->ref == 1)
- QImagePixmapCleanupHooks::executePixmapModificationHooks(this);
+ QImagePixmapCleanupHooks::executePixmapDataModificationHooks(data.data());
#if defined(Q_WS_MAC)
QMacPixmapData *macData = id == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0;
diff --git a/src/gui/image/qpixmap_x11.cpp b/src/gui/image/qpixmap_x11.cpp
index 0e66e09..169a2ec 100644
--- a/src/gui/image/qpixmap_x11.cpp
+++ b/src/gui/image/qpixmap_x11.cpp
@@ -68,6 +68,7 @@
#include "qx11info_x11.h"
#include <private/qdrawhelper_p.h>
#include <private/qimage_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
#include <stdlib.h>
@@ -1228,6 +1229,12 @@ void QX11PixmapData::fill(const QColor &fillColor)
QX11PixmapData::~QX11PixmapData()
{
+ // Cleanup hooks have to be called before the handles are freed
+ if (is_cached) {
+ QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this);
+ is_cached = false;
+ }
+
release();
}
diff --git a/src/gui/image/qpixmapdata.cpp b/src/gui/image/qpixmapdata.cpp
index 65032da..ea4fe6b 100644
--- a/src/gui/image/qpixmapdata.cpp
+++ b/src/gui/image/qpixmapdata.cpp
@@ -45,6 +45,7 @@
#include <QtGui/qimagereader.h>
#include <private/qgraphicssystem_p.h>
#include <private/qapplication_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
QT_BEGIN_NAMESPACE
@@ -80,6 +81,16 @@ QPixmapData::QPixmapData(PixelType pixelType, int objectId)
QPixmapData::~QPixmapData()
{
+ // Sometimes the pixmap cleanup hooks will be called from derrived classes, which will
+ // then set is_cached to false. For example, on X11 QtOpenGL needs to delete the GLXPixmap
+ // or EGL Pixmap Surface for a given pixmap _before_ the native X11 pixmap is deleted,
+ // otherwise some drivers will leak the GL surface. In this case, QX11PixmapData will
+ // call the cleanup hooks itself before deleting the native pixmap and set is_cached to
+ // false.
+ if (is_cached) {
+ QImagePixmapCleanupHooks::executePixmapDataDestructionHooks(this);
+ is_cached = false;
+ }
}
QPixmapData *QPixmapData::createCompatiblePixmapData() const
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h
index 1125515..827fa18 100644
--- a/src/gui/image/qpixmapdata_p.h
+++ b/src/gui/image/qpixmapdata_p.h
@@ -117,6 +117,14 @@ public:
inline int colorCount() const { return metric(QPaintDevice::PdmNumColors); }
inline int depth() const { return d; }
inline bool isNull() const { return is_null; }
+ inline qint64 cacheKey() const {
+ int classKey = id;
+ if (classKey >= 1024)
+ classKey = -(classKey >> 10);
+ return ((((qint64) classKey) << 56)
+ | (((qint64) ser_no) << 32)
+ | ((qint64) detach_no));
+ }
#if defined(Q_OS_SYMBIAN)
virtual void* toNativeType(NativeType type);
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 2a60708..dd977cb 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -1590,10 +1590,8 @@ QGLTextureCache::QGLTextureCache()
Q_ASSERT(qt_gl_texture_cache == 0);
qt_gl_texture_cache = this;
- QImagePixmapCleanupHooks::instance()->addPixmapModificationHook(cleanupTextures);
-#ifdef Q_WS_X11
- QImagePixmapCleanupHooks::instance()->addPixmapDestructionHook(cleanupPixmapSurfaces);
-#endif
+ QImagePixmapCleanupHooks::instance()->addPixmapDataModificationHook(cleanupTextures);
+ QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(cleanupBeforePixmapDestruction);
QImagePixmapCleanupHooks::instance()->addImageHook(imageCleanupHook);
}
@@ -1601,10 +1599,8 @@ QGLTextureCache::~QGLTextureCache()
{
qt_gl_texture_cache = 0;
- QImagePixmapCleanupHooks::instance()->removePixmapModificationHook(cleanupTextures);
-#ifdef Q_WS_X11
- QImagePixmapCleanupHooks::instance()->removePixmapDestructionHook(cleanupPixmapSurfaces);
-#endif
+ QImagePixmapCleanupHooks::instance()->removePixmapDataModificationHook(cleanupTextures);
+ QImagePixmapCleanupHooks::instance()->removePixmapDataDestructionHook(cleanupBeforePixmapDestruction);
QImagePixmapCleanupHooks::instance()->removeImageHook(imageCleanupHook);
}
@@ -1672,30 +1668,30 @@ void QGLTextureCache::imageCleanupHook(qint64 cacheKey)
}
-void QGLTextureCache::cleanupTextures(QPixmap* pixmap)
+void QGLTextureCache::cleanupTextures(QPixmapData* pmd)
{
// ### remove when the GL texture cache becomes thread-safe
if (qApp->thread() == QThread::currentThread()) {
- const qint64 cacheKey = pixmap->cacheKey();
+ const qint64 cacheKey = pmd->cacheKey();
QGLTexture *texture = instance()->getTexture(cacheKey);
if (texture && texture->options & QGLContext::MemoryManagedBindOption)
instance()->remove(cacheKey);
}
}
-#if defined(Q_WS_X11)
-void QGLTextureCache::cleanupPixmapSurfaces(QPixmap* pixmap)
+void QGLTextureCache::cleanupBeforePixmapDestruction(QPixmapData* pmd)
{
// Remove any bound textures first:
- cleanupTextures(pixmap);
+ cleanupTextures(pmd);
+ Q_ASSERT(instance()->getTexture(pmd->cacheKey()) == 0);
- QPixmapData *pd = pixmap->data_ptr().data();
- if (pd->classId() == QPixmapData::X11Class) {
- Q_ASSERT(pd->ref == 1); // Make sure reference counting isn't broken
- QGLContextPrivate::destroyGlSurfaceForPixmap(pd);
+#if defined(Q_WS_X11)
+ if (pmd->classId() == QPixmapData::X11Class) {
+ Q_ASSERT(pmd->ref == 0); // Make sure reference counting isn't broken
+ QGLContextPrivate::destroyGlSurfaceForPixmap(pmd);
}
-}
#endif
+}
void QGLTextureCache::deleteIfEmpty()
{
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 0104f07..713b067 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -522,7 +522,7 @@ public:
QSize bindCompressedTexturePVR(const char *buf, int len);
};
-class QGLTextureCache {
+class Q_AUTOTEST_EXPORT QGLTextureCache {
public:
QGLTextureCache();
~QGLTextureCache();
@@ -539,11 +539,8 @@ public:
static QGLTextureCache *instance();
static void deleteIfEmpty();
static void imageCleanupHook(qint64 cacheKey);
- static void cleanupTextures(QPixmap* pixmap);
-#ifdef Q_WS_X11
- // X11 needs to catch pixmap data destruction to delete EGL/GLX pixmap surfaces
- static void cleanupPixmapSurfaces(QPixmap* pixmap);
-#endif
+ static void cleanupTextures(QPixmapData* pixmap);
+ static void cleanupBeforePixmapDestruction(QPixmapData* pixmap);
private:
QCache<qint64, QGLTexture> m_cache;
diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp
index 11011ee..37bb7c0 100644
--- a/src/opengl/qglpixmapfilter.cpp
+++ b/src/opengl/qglpixmapfilter.cpp
@@ -319,14 +319,14 @@ public:
~QGLBlurTextureCache();
QGLBlurTextureInfo *takeBlurTextureInfo(const QPixmap &pixmap);
- bool hasBlurTextureInfo(const QPixmap &pixmap) const;
+ bool hasBlurTextureInfo(quint64 cacheKey) const;
void insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info);
- void clearBlurTextureInfo(const QPixmap &pixmap);
+ void clearBlurTextureInfo(quint64 cacheKey);
void timerEvent(QTimerEvent *event);
private:
- static void pixmapDestroyed(QPixmap *pixmap);
+ static void pixmapDestroyed(QPixmapData *pixmap);
QCache<quint64, QGLBlurTextureInfo > cache;
@@ -379,21 +379,21 @@ QGLBlurTextureInfo *QGLBlurTextureCache::takeBlurTextureInfo(const QPixmap &pixm
return cache.take(pixmap.cacheKey());
}
-void QGLBlurTextureCache::clearBlurTextureInfo(const QPixmap &pixmap)
+void QGLBlurTextureCache::clearBlurTextureInfo(quint64 cacheKey)
{
- cache.remove(pixmap.cacheKey());
+ cache.remove(cacheKey);
}
-bool QGLBlurTextureCache::hasBlurTextureInfo(const QPixmap &pixmap) const
+bool QGLBlurTextureCache::hasBlurTextureInfo(quint64 cacheKey) const
{
- return cache.contains(pixmap.cacheKey());
+ return cache.contains(cacheKey);
}
void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTextureInfo *info)
{
static bool hookAdded = false;
if (!hookAdded) {
- QImagePixmapCleanupHooks::instance()->addPixmapDestructionHook(pixmapDestroyed);
+ QImagePixmapCleanupHooks::instance()->addPixmapDataDestructionHook(pixmapDestroyed);
hookAdded = true;
}
@@ -406,11 +406,11 @@ void QGLBlurTextureCache::insertBlurTextureInfo(const QPixmap &pixmap, QGLBlurTe
timerId = startTimer(8000);
}
-void QGLBlurTextureCache::pixmapDestroyed(QPixmap *pixmap)
+void QGLBlurTextureCache::pixmapDestroyed(QPixmapData *pmd)
{
foreach (QGLBlurTextureCache *cache, blurTextureCaches) {
- if (cache->hasBlurTextureInfo(*pixmap))
- cache->clearBlurTextureInfo(*pixmap);
+ if (cache->hasBlurTextureInfo(pmd->cacheKey()))
+ cache->clearBlurTextureInfo(pmd->cacheKey());
}
}
diff --git a/tests/auto/qgl/qgl.pro b/tests/auto/qgl/qgl.pro
index 420c4bb..9116f39 100644
--- a/tests/auto/qgl/qgl.pro
+++ b/tests/auto/qgl/qgl.pro
@@ -6,6 +6,6 @@ load(qttest_p4)
requires(contains(QT_CONFIG,opengl))
QT += opengl
-SOURCES += tst_qgl.cpp
-
+SOURCES += tst_qgl.cpp
+RESOURCES = qgl.qrc
diff --git a/tests/auto/qgl/qgl.qrc b/tests/auto/qgl/qgl.qrc
new file mode 100644
index 0000000..653794a
--- /dev/null
+++ b/tests/auto/qgl/qgl.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+ <file alias="designer.png">../qpixmap/images/designer.png</file>
+</qresource>
+</RCC>
diff --git a/tests/auto/qgl/tst_qgl.cpp b/tests/auto/qgl/tst_qgl.cpp
index cf4616e..d37d727 100644
--- a/tests/auto/qgl/tst_qgl.cpp
+++ b/tests/auto/qgl/tst_qgl.cpp
@@ -56,6 +56,7 @@
#ifdef QT_BUILD_INTERNAL
#include <QtOpenGL/private/qgl_p.h>
+#include <QtGui/private/qpixmapdata_p.h>
#endif
//TESTED_CLASS=
@@ -91,6 +92,8 @@ private slots:
void clipTest();
void destroyFBOAfterContext();
void shareRegister();
+ void qglContextDefaultBindTexture();
+ void textureCleanup();
};
tst_QGL::tst_QGL()
@@ -1938,5 +1941,242 @@ void tst_QGL::shareRegister()
#endif
}
+// Tests QGLContext::bindTexture with default options
+void tst_QGL::qglContextDefaultBindTexture()
+{
+#ifdef QT_BUILD_INTERNAL
+ QGLWidget w;
+ w.makeCurrent();
+
+ QGLContext *ctx = const_cast<QGLContext*>(w.context());
+
+ QImage *boundImage = new QImage(256, 256, QImage::Format_RGB32);
+ boundImage->fill(0xFFFFFFFF);
+ QPixmap *boundPixmap = new QPixmap(256, 256);
+ boundPixmap->fill(Qt::red);
+
+ // Check that calling QGLContext::bindTexture with default args adds textures to cache
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ GLuint boundImageTextureId = ctx->bindTexture(*boundImage);
+ GLuint boundPixmapTextureId = ctx->bindTexture(*boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ // Make sure the texture IDs returned are valid:
+ QCOMPARE((bool)glIsTexture(boundImageTextureId), GL_TRUE);
+ QCOMPARE((bool)glIsTexture(boundPixmapTextureId), GL_TRUE);
+
+ // Make sure the textures are still there after we delete the image/pixmap:
+ delete boundImage;
+ boundImage = 0;
+ delete boundPixmap;
+ boundPixmap = 0;
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ // Make sure the textures are deleted from the cache after calling QGLContext::deleteTexture()
+ ctx->deleteTexture(boundImageTextureId);
+ ctx->deleteTexture(boundPixmapTextureId);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ // Finally, make sure QGLContext::deleteTexture also deleted the texture IDs:
+ QCOMPARE((bool)glIsTexture(boundImageTextureId), GL_FALSE);
+ QCOMPARE((bool)glIsTexture(boundPixmapTextureId), GL_FALSE);
+#endif
+}
+
+void tst_QGL::textureCleanup()
+{
+#ifdef QT_BUILD_INTERNAL
+ QGLWidget w;
+ w.resize(200,200);
+ w.show();
+ w.makeCurrent();
+
+ // Test pixmaps which have been loaded via QPixmapCache are removed from the texture cache
+ // when the pixmap cache is cleared
+ {
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ QPainter p(&w);
+
+ QPixmap boundPixmap(":designer.png");
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ p.drawPixmap(0, 0, boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ // Need to call end for the GL2 paint engine to release references to pixmap if using tfp
+ p.end();
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ // Check that the texture doesn't get removed from the cache when the pixmap is cleared
+ // as it should still be in the cache:
+ boundPixmap = QPixmap();
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ QPixmapCache::clear();
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+ }
+
+ // Test pixmaps which have been loaded via QPixmapCache are removed from the texture cache
+ // when they are explicitly removed from the pixmap cache
+ {
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ QPainter p(&w);
+
+ QPixmap boundPixmap(128, 128);
+ QString cacheKey = QString::fromLatin1("myPixmap");
+ QPixmapCache::insert(cacheKey, boundPixmap);
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ p.drawPixmap(0, 0, boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ // Need to call end for the GL2 paint engine to release references to pixmap if using tfp
+ p.end();
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ // Check that the texture doesn't get removed from the cache when the pixmap is cleared
+ // as it should still be in the cache:
+ boundPixmap = QPixmap();
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ // Finally, we check that the texture cache entry is removed when we remove the
+ // pixmap cache entry, which should hold the last reference:
+ QPixmapCache::remove(cacheKey);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+ }
+
+ // Check images & pixmaps are removed from the cache when they are deleted
+ {
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ QPainter p(&w);
+
+ QImage *boundImage = new QImage(256, 256, QImage::Format_RGB32);
+ boundImage->fill(0xFFFFFFFF);
+ QPixmap *boundPixmap = new QPixmap(256, 256);
+ boundPixmap->fill(Qt::red);
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ p.drawImage(0, 0, *boundImage);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ p.drawPixmap(0, 0, *boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ // Need to call end for the GL2 paint engine to release references to pixmap if using tfp
+ p.end();
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ delete boundImage;
+ boundImage = 0;
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ delete boundPixmap;
+ boundPixmap = 0;
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+ }
+
+ // Check images & pixmaps are removed from the cache when they are assigned to
+ {
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ QPainter p(&w);
+
+ QImage boundImage(256, 256, QImage::Format_RGB32);
+ boundImage.fill(0xFFFFFFFF);
+ QPixmap boundPixmap(256, 256);
+ boundPixmap.fill(Qt::red);
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ p.drawImage(0, 0, boundImage);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ p.drawPixmap(0, 0, boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ // Need to call end for the GL2 paint engine to release references to pixmap if using tfp
+ p.end();
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ boundImage = QImage(64, 64, QImage::Format_RGB32);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ boundPixmap = QPixmap(64, 64);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+ }
+
+ // Check images & pixmaps are removed from the cache when they are modified (detached)
+ {
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ QPainter p(&w);
+
+ QImage boundImage(256, 256, QImage::Format_RGB32);
+ boundImage.fill(0xFFFFFFFF);
+ QPixmap boundPixmap(256, 256);
+ boundPixmap.fill(Qt::red);
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ p.drawImage(0, 0, boundImage);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ p.drawPixmap(0, 0, boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ // Need to call end for the GL2 paint engine to release references to pixmap if using tfp
+ p.end();
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ boundImage.fill(0x00000000);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ boundPixmap.fill(Qt::blue);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+ }
+
+ // Check that images/pixmaps aren't removed from the cache if a shallow copy has been made
+ QImage copyOfImage;
+ QPixmap copyOfPixmap;
+ int startCacheItemCount = QGLTextureCache::instance()->size();
+ {
+ QPainter p(&w);
+
+ QImage boundImage(256, 256, QImage::Format_RGB32);
+ boundImage.fill(0xFFFFFFFF);
+ QPixmap boundPixmap(256, 256);
+ boundPixmap.fill(Qt::red);
+
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+
+ p.drawImage(0, 0, boundImage);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ p.drawPixmap(0, 0, boundPixmap);
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ // Need to call end for the GL2 paint engine to release references to pixmap if using tfp
+ p.end();
+
+ copyOfImage = boundImage;
+ copyOfPixmap = boundPixmap;
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+ } // boundImage & boundPixmap would have been deleted when they went out of scope
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+2);
+
+ copyOfImage = QImage();
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount+1);
+
+ copyOfPixmap = QPixmap();
+ QCOMPARE(QGLTextureCache::instance()->size(), startCacheItemCount);
+#endif
+}
+
QTEST_MAIN(tst_QGL)
#include "tst_qgl.moc"