Improved and made public the QOpenGLPaintDevice API.

The new API is more flexible, allowing the use of QOpenGLPaintDevice
with any QOpenGLContext, and putting more responsibility on the user for
ensuring the correct FBO is current (the user knows best anyhow).

Task-number: QTBUG-21263

Change-Id: I50b954125f552baef52fbb3fe2ed907a11ad519c
Reviewed-on: http://codereview.qt-project.org/4325
Reviewed-by: Qt Sanity Bot <[email protected]>
Reviewed-by: Paul Olav Tvete <[email protected]>

1 files changed, 1 insertions, 23 deletions

diff --git a/src/gui/opengl/qopenglframebufferobject_p.h b/src/gui/opengl/qopenglframebufferobject_p.h
index 6ea6eb26ee2..93a8bbf32f0 100644
--- a/src/gui/opengl/qopenglframebufferobject_p.h
+++ b/src/gui/opengl/qopenglframebufferobject_p.h
@@ -58,7 +58,6 @@ QT_BEGIN_NAMESPACE
 QT_BEGIN_INCLUDE_NAMESPACE
 
 #include <qopenglframebufferobject.h>
-#include <private/qopenglpaintdevice_p.h>
 #include <private/qopenglcontext_p.h>
 #include <private/qopenglextensions_p.h>
 
@@ -109,31 +108,12 @@ public:
     uint mipmap : 1;
 };
 
-class QOpenGLFBOGLPaintDevice : public QOpenGLPaintDevice
-{
-public:
-    virtual QPaintEngine* paintEngine() const {return fbo->paintEngine();}
-    virtual QSize size() const {return fbo->size();}
-    virtual QSurfaceFormat format() const {return fboFormat;}
-    virtual QOpenGLContextGroup *group() const;
-    virtual bool alphaRequested() const { return reqAlpha; }
-
-    void setFBO(QOpenGLFramebufferObject* f,
-                QOpenGLFramebufferObject::Attachment attachment);
-
-private:
-    QOpenGLFramebufferObject* fbo;
-    QSurfaceFormat fboFormat;
-    bool wasBound;
-    bool reqAlpha;
-};
-
 class QOpenGLFramebufferObjectPrivate
 {
 public:
     QOpenGLFramebufferObjectPrivate() : fbo_guard(0), texture_guard(0), depth_buffer_guard(0)
                                   , stencil_buffer_guard(0), color_buffer_guard(0)
-                                  , valid(false), engine(0) {}
+                                  , valid(false) {}
     ~QOpenGLFramebufferObjectPrivate() {}
 
     void init(QOpenGLFramebufferObject *q, const QSize& sz,
@@ -151,8 +131,6 @@ public:
     QOpenGLFramebufferObjectFormat format;
     uint valid : 1;
     QOpenGLFramebufferObject::Attachment fbo_attachment;
-    mutable QPaintEngine *engine;
-    QOpenGLFBOGLPaintDevice glDevice;
     QOpenGLExtensions funcs;
 
     inline GLuint fbo() const { return fbo_guard ? fbo_guard->id() : 0; }