Changeset 561 for trunk/src/opengl/qpixmapdata_gl_p.h

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/opengl/qpixmapdata_gl_p.h (modified) (5 diffs)

trunk/src/opengl/qpixmapdata_gl_p.h

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtOpenGL module of the Qt Toolkit.
@@ -21 +22 @@
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -54 +54 @@
 //
 
+#include "qgl_p.h"
 #include "qgl.h"
 
 #include "private/qpixmapdata_p.h"
+#include "private/qglpaintdevice_p.h"
 
 QT_BEGIN_NAMESPACE
 
 class QPaintEngine;
+class QGLFramebufferObject;
+class QGLFramebufferObjectFormat;
+class QGLPixmapData;
+
+class QGLFramebufferObjectPool
+{
+public:
+    QGLFramebufferObject *acquire(const QSize &size, const QGLFramebufferObjectFormat &format, bool strictSize = false);
+    void release(QGLFramebufferObject *fbo);
+
+private:
+    QList<QGLFramebufferObject *> m_fbos;
+};
+
+QGLFramebufferObjectPool* qgl_fbo_pool();
+
+
+class QGLPixmapGLPaintDevice : public QGLPaintDevice
+{
+public:
+    QPaintEngine* paintEngine() const;
+
+    void beginPaint();
+    void endPaint();
+    QGLContext* context() const;
+    QSize size() const;
+
+    void setPixmapData(QGLPixmapData*);
+private:
+    QGLPixmapData *data;
+};
+
 
 class QGLPixmapData : public QPixmapData
@@ -68 +102 @@
     ~QGLPixmapData();
 
-    bool isValid() const;
+    QPixmapData *createCompatiblePixmapData() const;
 
+    // Re-implemented from QPixmapData:
     void resize(int width, int height);
-    void fromImage(const QImage &image,
-                   Qt::ImageConversionFlags flags);
-
+    void fromImage(const QImage &image, Qt::ImageConversionFlags flags);
+    bool fromFile(const QString &filename, const char *format,
+                  Qt::ImageConversionFlags flags);
+    bool fromData(const uchar *buffer, uint len, const char *format,
+                  Qt::ImageConversionFlags flags);
+    void copy(const QPixmapData *data, const QRect &rect);
+    bool scroll(int dx, int dy, const QRect &rect);
     void fill(const QColor &color);
     bool hasAlphaChannel() const;
     QImage toImage() const;
-    QPaintEngine* paintEngine() const;
+    QPaintEngine *paintEngine() const;
+    int metric(QPaintDevice::PaintDeviceMetric metric) const;
 
-    GLuint bind() const;
-    GLuint textureId() const;
+    // For accessing as a target:
+    QGLPaintDevice *glDevice() const;
 
+    // For accessing as a source:
     bool isValidContext(const QGLContext *ctx) const;
+    GLuint bind(bool copyBack = true) const;
+    QGLTexture *texture() const;
+
+private:
+    bool isValid() const;
 
     void ensureCreated() const;
 
-protected:
-    int metric(QPaintDevice::PaintDeviceMetric metric) const;
+    bool isUninitialized() const { return m_dirty && m_source.isNull(); }
 
-private:
+    bool needsFill() const { return m_hasFillColor; }
+    QColor fillColor() const { return m_fillColor; }
+
+
+
     QGLPixmapData(const QGLPixmapData &other);
     QGLPixmapData &operator=(const QGLPixmapData &other);
 
-    int m_width;
-    int m_height;
+    void copyBackFromRenderFbo(bool keepCurrentFboBound) const;
+    QSize size() const { return QSize(w, h); }
 
-    mutable GLuint m_texture;
+    static bool useFramebufferObjects();
+
+    QImage fillImage(const QColor &color) const;
+
+    mutable QGLFramebufferObject *m_renderFbo;
+    mutable QPaintEngine *m_engine;
+    mutable QGLContext *m_ctx;
+    mutable QImage m_source;
+    mutable QGLTexture m_texture;
+
+    // the texture is not in sync with the source image
     mutable bool m_dirty;
-    mutable QImage m_source;
+
+    // fill has been called and no painting has been done, so the pixmap is
+    // represented by a single fill color
+    mutable QColor m_fillColor;
+    mutable bool m_hasFillColor;
+
+    mutable bool m_hasAlpha;
+
+    mutable QGLPixmapGLPaintDevice m_glDevice;
+
+    friend class QGLPixmapGLPaintDevice;
 };