From 4531ffbd8aa2cc0ae656715e449caca1649c18b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20R=C3=B8dal?= <sroedal@trolltech.com>
Date: Thu, 29 Oct 2009 14:28:36 +0100
Subject: Added QImagePixmapCleanupHooks functions for enabling hooks.

Better than having to befriend QPixmapData and setting is_cached
manually.

Reviewed-by: Tom Cooksey
---
 src/gui/image/qimagepixmapcleanuphooks.cpp | 18 +++++++++++++++++-
 src/gui/image/qimagepixmapcleanuphooks_p.h |  4 ++++
 src/gui/image/qpixmapdata_p.h              |  3 +--
 src/opengl/qgl.cpp                         |  4 ++--
 src/opengl/qgl_x11.cpp                     |  3 ++-
 src/opengl/qgl_x11egl.cpp                  |  3 ++-
 6 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/src/gui/image/qimagepixmapcleanuphooks.cpp b/src/gui/image/qimagepixmapcleanuphooks.cpp
index ac30646..35322e9 100644
--- a/src/gui/image/qimagepixmapcleanuphooks.cpp
+++ b/src/gui/image/qimagepixmapcleanuphooks.cpp
@@ -40,7 +40,8 @@
 ****************************************************************************/
 
 #include "qimagepixmapcleanuphooks_p.h"
-#include "qpixmapdata_p.h"
+#include "private/qpixmapdata_p.h"
+#include "private/qimage_p.h"
 
 
 QT_BEGIN_NAMESPACE
@@ -132,4 +133,19 @@ void QImagePixmapCleanupHooks::executeImageHooks(qint64 key)
         qt_image_cleanup_hook_64(key);
 }
 
+void QImagePixmapCleanupHooks::enableCleanupHooks(const QPixmap &pixmap)
+{
+    enableCleanupHooks(const_cast<QPixmap &>(pixmap).data_ptr().data());
+}
+
+void QImagePixmapCleanupHooks::enableCleanupHooks(QPixmapData *pixmapData)
+{
+    pixmapData->is_cached = true;
+}
+
+void QImagePixmapCleanupHooks::enableCleanupHooks(const QImage &image)
+{
+    const_cast<QImage &>(image).data_ptr()->is_cached = true;
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/image/qimagepixmapcleanuphooks_p.h b/src/gui/image/qimagepixmapcleanuphooks_p.h
index 16c8974..9e490d7 100644
--- a/src/gui/image/qimagepixmapcleanuphooks_p.h
+++ b/src/gui/image/qimagepixmapcleanuphooks_p.h
@@ -70,6 +70,10 @@ public:
 
     static QImagePixmapCleanupHooks *instance();
 
+    static void enableCleanupHooks(const QImage &image);
+    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);
 
diff --git a/src/gui/image/qpixmapdata_p.h b/src/gui/image/qpixmapdata_p.h
index 2f4f201..e99409c 100644
--- a/src/gui/image/qpixmapdata_p.h
+++ b/src/gui/image/qpixmapdata_p.h
@@ -131,12 +131,11 @@ protected:
 
 private:
     friend class QPixmap;
-    friend class QGLContextPrivate;
     friend class QX11PixmapData;
     friend class QS60PixmapData;
+    friend class QImagePixmapCleanupHooks; // Needs to set is_cached
     friend class QGLTextureCache; //Needs to check the reference count
     friend class QExplicitlySharedDataPointer<QPixmapData>;
-    friend bool qt_createEGLSurfaceForPixmap(QPixmapData*, bool); // Needs to set is_cached
 
     QAtomicInt ref;
     int detach_no;
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index e80521b..3fec1f0 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -2137,7 +2137,7 @@ QGLTexture *QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G
     Q_ASSERT(texture);
 
     if (texture->id > 0)
-        const_cast<QImage &>(image).data_ptr()->is_cached = true;
+        QImagePixmapCleanupHooks::enableCleanupHooks(image);
 
     return texture;
 }
@@ -2396,7 +2396,7 @@ QGLTexture *QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target,
     Q_ASSERT(texture);
 
     if (texture->id > 0)
-        const_cast<QPixmap &>(pixmap).data_ptr()->is_cached = true;
+        QImagePixmapCleanupHooks::enableCleanupHooks(pixmap);
 
     return texture;
 }
diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp
index 86e593d..899047a 100644
--- a/src/opengl/qgl_x11.cpp
+++ b/src/opengl/qgl_x11.cpp
@@ -53,6 +53,7 @@
 #include <private/qfontengine_ft_p.h>
 #include <private/qt_x11_p.h>
 #include <private/qpixmap_x11_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
 #ifdef Q_OS_HPUX
 // for GLXPBuffer
 #include <private/qglpixelbuffer_p.h>
@@ -1704,7 +1705,7 @@ QGLTexture *QGLContextPrivate::bindTextureFromNativePixmap(QPixmapData *pmd, con
         pixmapData->gl_surface = (Qt::HANDLE)glxPixmap;
 
         // Make sure the cleanup hook gets called so we can delete the glx pixmap
-        pixmapData->is_cached = true;
+        QImagePixmapCleanupHooks::enableCleanupHooks(pixmapData);
     }
 
     GLuint textureId;
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp
index 7180682..9b20297 100644
--- a/src/opengl/qgl_x11egl.cpp
+++ b/src/opengl/qgl_x11egl.cpp
@@ -42,6 +42,7 @@
 #include "qgl.h"
 #include <private/qt_x11_p.h>
 #include <private/qpixmap_x11_p.h>
+#include <private/qimagepixmapcleanuphooks_p.h>
 #include <private/qgl_p.h>
 #include <private/qpaintengine_opengl_p.h>
 #include "qgl_egl_p.h"
@@ -531,7 +532,7 @@ bool Q_OPENGL_EXPORT qt_createEGLSurfaceForPixmap(QPixmapData* pmd, bool readOnl
 
     Q_ASSERT(sizeof(Qt::HANDLE) >= sizeof(EGLSurface)); // Just to make totally sure!
     pixmapData->gl_surface = (Qt::HANDLE)pixmapSurface;
-    pixmapData->is_cached = true; // Make sure the cleanup hook gets called
+    QImagePixmapCleanupHooks::enableCleanupHooks(pixmapData); // Make sure the cleanup hook gets called
 
     return true;
 }
-- 
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