1 files changed, 440 insertions, 86 deletions

diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index cd7a7f0..c0c7781 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -65,15 +65,27 @@
 #include "qimage.h"
 #include "qgl_p.h"
 
-#if defined(QT_OPENGL_ES_2)
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
 #include "gl2paintengineex/qpaintengineex_opengl2_p.h"
-#else
+#endif
+
+#ifndef QT_OPENGL_ES_2
 #include <private/qpaintengine_opengl_p.h>
 #endif
 
+#ifdef Q_WS_QWS
+#include <private/qglpaintdevice_qws_p.h>
+#include <private/qglwindowsurface_qws_p.h>
+#endif
+
+#include <qglpixelbuffer.h>
+#include <qglframebufferobject.h>
+
 #include <private/qimage_p.h>
 #include <private/qpixmapdata_p.h>
 #include <private/qpixmapdata_gl_p.h>
+#include <private/qglpixelbuffer_p.h>
+#include <private/qwindowsurface_gl_p.h>
 #include "qcolormap.h"
 #include "qcache.h"
 #include "qfile.h"
@@ -1290,6 +1302,7 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
     eglContext = 0;
 #endif
     pbo = 0;
+    fbo = 0;
     crWin = false;
     initDone = false;
     sharing = false;
@@ -1297,6 +1310,8 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format)
     max_texture_size = -1;
     version_flags_cached = false;
     version_flags = QGLFormat::OpenGL_Version_None;
+    current_fbo = 0;
+    active_engine = 0;
 }
 
 QGLContext* QGLContext::currentCtx = 0;
@@ -1307,12 +1322,8 @@ QGLContext* QGLContext::currentCtx = 0;
    QGLFramebufferObject::toImage()
 */
 
-QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha)
+static void convertFromGLImage(QImage &img, int w, int h, bool alpha_format, bool include_alpha)
 {
-    QImage img(size, alpha_format ? QImage::Format_ARGB32 : QImage::Format_RGB32);
-    int w = size.width();
-    int h = size.height();
-    glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, img.bits());
     if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
         // OpenGL gives RGBA; Qt wants ARGB
         uint *p = (uint*)img.bits();
@@ -1343,7 +1354,30 @@ QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include
         }
 
     }
-    return img.mirrored();
+    img = img.mirrored();
+}
+
+QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha)
+{
+    QImage img(size, alpha_format ? QImage::Format_ARGB32 : QImage::Format_RGB32);
+    int w = size.width();
+    int h = size.height();
+    glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, img.bits());
+    convertFromGLImage(img, w, h, alpha_format, include_alpha);
+    return img;
+}
+
+QImage qt_gl_read_texture(const QSize &size, bool alpha_format, bool include_alpha)
+{
+    QImage img(size, alpha_format ? QImage::Format_ARGB32 : QImage::Format_RGB32);
+    int w = size.width();
+    int h = size.height();
+#if !defined(QT_OPENGL_ES_2) && !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    //### glGetTexImage not in GL ES 2.0, need to do something else here!
+    glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, img.bits());
+#endif
+    convertFromGLImage(img, w, h, alpha_format, include_alpha);
+    return img;
 }
 
 // returns the highest number closest to v, which is a power of 2
@@ -1429,7 +1463,7 @@ struct DDSFormat {
 #define GL_GENERATE_MIPMAP_HINT_SGIS  0x8192
 #endif
 
-Q_GLOBAL_STATIC(QGLShareRegister, _qgl_share_reg);
+Q_GLOBAL_STATIC(QGLShareRegister, _qgl_share_reg)
 Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg()
 {
     return _qgl_share_reg();
@@ -1546,7 +1580,7 @@ void QGLContextPrivate::cleanup()
     Q_Q(QGLContext);
     if (pbo) {
         QGLContext *ctx = q;
-        glDeleteBuffersARB(1, &pbo);
+        glDeleteBuffers(1, &pbo);
         pbo = 0;
     }
 }
@@ -1683,58 +1717,105 @@ static void qt_gl_clean_cache(qint64 cacheKey)
 
 static void convertToGLFormatHelper(QImage &dst, const QImage &img, GLenum texture_format)
 {
-    Q_ASSERT(dst.size() == img.size());
     Q_ASSERT(dst.depth() == 32);
     Q_ASSERT(img.depth() == 32);
 
-    const int width = img.width();
-    const int height = img.height();
-    const uint *p = (const uint*) img.scanLine(img.height() - 1);
-    uint *q = (uint*) dst.scanLine(0);
-
-    if (texture_format == GL_BGRA) {
-        if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
-            // mirror + swizzle
-            for (int i=0; i < height; ++i) {
-                const uint *end = p + width;
-                while (p < end) {
-                    *q = ((*p << 24) & 0xff000000)
-                         | ((*p >> 24) & 0x000000ff)
-                         | ((*p << 8) & 0x00ff0000)
-                         | ((*p >> 8) & 0x0000ff00);
-                    p++;
-                    q++;
+    if (dst.size() != img.size()) {
+        int target_width = dst.width();
+        int target_height = dst.height();
+        qreal sx = target_width / qreal(img.width());
+        qreal sy = target_height / qreal(img.height());
+
+        quint32 *dest = (quint32 *) dst.scanLine(0); // NB! avoid detach here
+        uchar *srcPixels = (uchar *) img.scanLine(img.height() - 1);
+        int sbpl = img.bytesPerLine();
+        int dbpl = dst.bytesPerLine();
+
+        int ix = 0x00010000 / sx;
+        int iy = 0x00010000 / sy;
+
+        quint32 basex = int(0.5 * ix);
+        quint32 srcy = int(0.5 * iy);
+
+        // scale, swizzle and mirror in one loop
+        while (target_height--) {
+            const uint *src = (const quint32 *) (srcPixels - (srcy >> 16) * sbpl);
+            int srcx = basex;
+            for (int x=0; x<target_width; ++x) {
+                uint src_pixel = src[srcx >> 16];
+                if (texture_format == GL_BGRA) {
+                    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                        dest[x] = ((src_pixel << 24) & 0xff000000)
+                                  | ((src_pixel >> 24) & 0x000000ff)
+                                  | ((src_pixel << 8) & 0x00ff0000)
+                                  | ((src_pixel >> 8) & 0x0000ff00);
+                    } else {
+                        dest[x] = src_pixel;
+                    }
+                } else {  // GL_RGBA
+                    if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                        dest[x] = (src_pixel << 8) | ((src_pixel >> 24) & 0xff);
+                    } else {
+                        dest[x] = ((src_pixel << 16) & 0xff0000)
+                                  | ((src_pixel >> 16) & 0xff)
+                                  | (src_pixel & 0xff00ff00);
+                    }
                 }
-                p -= 2 * width;
-            }
-        } else {
-            const uint bytesPerLine = img.bytesPerLine();
-            for (int i=0; i < height; ++i) {
-                memcpy(q, p, bytesPerLine);
-                q += width;
-                p -= width;
+                srcx += ix;
             }
+            dest = (quint32 *)(((uchar *) dest) + dbpl);
+            srcy += iy;
         }
     } else {
-        if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
-            for (int i=0; i < height; ++i) {
-                const uint *end = p + width;
-                while (p < end) {
-                    *q = (*p << 8) | ((*p >> 24) & 0xFF);
-                    p++;
-                    q++;
+        const int width = img.width();
+        const int height = img.height();
+        const uint *p = (const uint*) img.scanLine(img.height() - 1);
+        uint *q = (uint*) dst.scanLine(0);
+
+        if (texture_format == GL_BGRA) {
+            if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                // mirror + swizzle
+                for (int i=0; i < height; ++i) {
+                    const uint *end = p + width;
+                    while (p < end) {
+                        *q = ((*p << 24) & 0xff000000)
+                             | ((*p >> 24) & 0x000000ff)
+                             | ((*p << 8) & 0x00ff0000)
+                             | ((*p >> 8) & 0x0000ff00);
+                        p++;
+                        q++;
+                    }
+                    p -= 2 * width;
+                }
+            } else {
+                const uint bytesPerLine = img.bytesPerLine();
+                for (int i=0; i < height; ++i) {
+                    memcpy(q, p, bytesPerLine);
+                    q += width;
+                    p -= width;
                 }
-                p -= 2 * width;
             }
         } else {
-            for (int i=0; i < height; ++i) {
-                const uint *end = p + width;
-                while (p < end) {
-                    *q = ((*p << 16) & 0xff0000) | ((*p >> 16) & 0xff) | (*p & 0xff00ff00);
-                    p++;
-                    q++;
+            if (QSysInfo::ByteOrder == QSysInfo::BigEndian) {
+                for (int i=0; i < height; ++i) {
+                    const uint *end = p + width;
+                    while (p < end) {
+                        *q = (*p << 8) | ((*p >> 24) & 0xff);
+                        p++;
+                        q++;
+                    }
+                    p -= 2 * width;
+                }
+            } else {
+                for (int i=0; i < height; ++i) {
+                    const uint *end = p + width;
+                    while (p < end) {
+                        *q = ((*p << 16) & 0xff0000) | ((*p >> 16) & 0xff) | (*p & 0xff00ff00);
+                        p++;
+                        q++;
+                    }
+                    p -= 2 * width;
                 }
-                p -= 2 * width;
             }
         }
     }
@@ -1764,7 +1845,7 @@ GLuint QGLContextPrivate::bindTexture(const QImage &image, GLenum target, GLint
 
         use_pbo = qt_resolve_buffer_extensions(ctx);
         if (use_pbo && pbo == 0)
-            glGenBuffersARB(1, &pbo);
+            glGenBuffers(1, &pbo);
     }
 
     // the GL_BGRA format is only present in GL version >= 1.2
@@ -1777,19 +1858,18 @@ GLuint QGLContextPrivate::bindTexture(const QImage &image, GLenum target, GLint
     }
 
     // Scale the pixmap if needed. GL textures needs to have the
-    // dimensions 2^n+2(border) x 2^m+2(border).
+    // dimensions 2^n+2(border) x 2^m+2(border), unless we're using GL
+    // 2.0 or use the GL_TEXTURE_RECTANGLE texture target
     int tx_w = qt_next_power_of_two(image.width());
     int tx_h = qt_next_power_of_two(image.height());
+    bool scale = false;
 
-    // Note: the clean param is only true when a texture is bound
-    // from the QOpenGLPaintEngine - in that case we have to force
-    // a premultiplied texture format
     QImage img = image;
     if (( !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) &&
           !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0) )
         && (target == GL_TEXTURE_2D && (tx_w != image.width() || tx_h != image.height())))
     {
-        img = image.scaled(tx_w, tx_h);
+        scale = true;
     }
 
     GLuint tx_id;
@@ -1816,28 +1896,35 @@ GLuint QGLContextPrivate::bindTexture(const QImage &image, GLenum target, GLint
 
     uchar *ptr = 0;
     if (use_pbo) {
-        glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, pbo);
-        glBufferDataARB(GL_PIXEL_UNPACK_BUFFER_ARB, img.width() * img.height() * 4, 0, GL_STREAM_DRAW_ARB);
+        glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo);
+        glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, img.width() * img.height() * 4, 0, GL_STREAM_DRAW_ARB);
         ptr = reinterpret_cast<uchar *>(glMapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, GL_WRITE_ONLY_ARB));
     }
 
-    if (ptr) {
-        QImage::Format target_format = img.format();
-        if (clean || img.format() != QImage::Format_ARGB32)
-            target_format = QImage::Format_ARGB32_Premultiplied;
+    QImage::Format target_format = img.format();
+    // Note: the clean param is only true when a texture is bound
+    // from the QOpenGLPaintEngine - in that case we have to force
+    // a premultiplied texture format
+    if (clean || img.format() != QImage::Format_ARGB32)
+        target_format = QImage::Format_ARGB32_Premultiplied;
+    if (img.format() != target_format)
+        img = img.convertToFormat(target_format);
 
+    if (ptr) {
         QImage buffer(ptr, img.width(), img.height(), target_format);
-        convertToGLFormatHelper(buffer, img.convertToFormat(target_format), texture_format);
+        convertToGLFormatHelper(buffer, img, texture_format);
         glUnmapBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB);
-        glTexImage2D(target, 0, format, img.width(), img.height(), 0, texture_format, GL_UNSIGNED_BYTE, 0);
+        glTexImage2D(target, 0, format, img.width(), img.height(), 0, texture_format,
+                     GL_UNSIGNED_BYTE, 0);
     } else {
-        QImage tx = convertToGLFormat(img, clean, texture_format);
+        QImage tx(scale ? QSize(tx_w, tx_h) : img.size(), target_format);
+        convertToGLFormatHelper(tx, img, texture_format);
         glTexImage2D(target, 0, format, tx.width(), tx.height(), 0, texture_format,
                      GL_UNSIGNED_BYTE, tx.bits());
     }
 
     if (use_pbo)
-        glBindBufferARB(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+        glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
 
     // this assumes the size of a texture is always smaller than the max cache size
     int cost = img.width()*img.height()*4/1024;
@@ -1889,11 +1976,13 @@ GLuint QGLContextPrivate::bindTexture(const QImage &image, GLenum target, GLint
 /*! \internal */
 GLuint QGLContextPrivate::bindTexture(const QPixmap &pixmap, GLenum target, GLint format, bool clean)
 {
-#if !defined(QT_OPENGL_ES_2)
-    if (target == qt_gl_preferredTextureTarget() && pixmap.pixmapData()->classId() == QPixmapData::OpenGLClass) {
-        const QGLPixmapData *data = static_cast<const QGLPixmapData *>(pixmap.pixmapData());
+    Q_Q(QGLContext);
+    QPixmapData *pd = pixmap.pixmapData();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    if (target == GL_TEXTURE_2D && pd->classId() == QPixmapData::OpenGLClass) {
+        const QGLPixmapData *data = static_cast<const QGLPixmapData *>(pd);
 
-        if (data->isValidContext(QGLContext::currentContext()))
+        if (data->isValidContext(q))
             return data->bind();
     }
 #endif
@@ -2045,12 +2134,34 @@ void QGLContext::deleteTexture(QMacCompatGLuint id)
 }
 #endif
 
-// qpaintengine_opengl.cpp
-#if !defined(QT_OPENGL_ES_2)
-extern void qt_add_rect_to_array(const QRectF &r, q_vertexType *array);
-#else
-void qt_add_rect_to_array(const QRectF &r, q_vertexType *array) {};
-#endif
+void qt_add_rect_to_array(const QRectF &r, q_vertexType *array)
+{
+    qreal left = r.left();
+    qreal right = r.right();
+    qreal top = r.top();
+    qreal bottom = r.bottom();
+
+    array[0] = f2vt(left);
+    array[1] = f2vt(top);
+    array[2] = f2vt(right);
+    array[3] = f2vt(top);
+    array[4] = f2vt(right);
+    array[5] = f2vt(bottom);
+    array[6] = f2vt(left);
+    array[7] = f2vt(bottom);
+}
+
+void qt_add_texcoords_to_array(qreal x1, qreal y1, qreal x2, qreal y2, q_vertexType *array)
+{
+    array[0] = f2vt(x1);
+    array[1] = f2vt(y1);
+    array[2] = f2vt(x2);
+    array[3] = f2vt(y1);
+    array[4] = f2vt(x2);
+    array[5] = f2vt(y2);
+    array[6] = f2vt(x1);
+    array[7] = f2vt(y2);
+}
 
 static void qDrawTextureRect(const QRectF &target, GLint textureWidth, GLint textureHeight, GLenum textureTarget)
 {
@@ -2504,7 +2615,7 @@ const QGLContext* QGLContext::currentContext()
 */
 
 /*! \fn int QGLContext::choosePixelFormat(void* dummyPfd, HDC pdc)
-  
+
     \bold{Win32 only:} This virtual function chooses a pixel format
     that matches the OpenGL \link setFormat() format\endlink.
     Reimplement this function in a subclass if you need a custom
@@ -2518,7 +2629,7 @@ const QGLContext* QGLContext::currentContext()
 */
 
 /*! \fn void *QGLContext::chooseVisual()
-  
+
   \bold{X11 only:} This virtual function tries to find a visual that
   matches the format, reducing the demands if the original request
   cannot be met.
@@ -3237,7 +3348,7 @@ bool QGLWidget::event(QEvent *e)
         glFinish();
         doneCurrent();
     } else if (e->type() == QEvent::ParentChange) {
-        if (d->glcx->d_func()->screen != d->xinfo.screen()) {
+        if (d->glcx->d_func()->screen != d->xinfo.screen() || testAttribute(Qt::WA_TranslucentBackground)) {
             setContext(new QGLContext(d->glcx->requestedFormat(), this));
             // ### recreating the overlay isn't supported atm
         }
@@ -4093,14 +4204,16 @@ void QGLWidget::drawTexture(const QPointF &point, QMacCompatGLuint textureId, QM
 }
 #endif
 
-#if defined(QT_OPENGL_ES_2)
-Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_engine)
-#else
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_2_engine)
+#endif
+
+#ifndef QT_OPENGL_ES_2
 Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_gl_engine)
 #endif
 
 #ifdef Q_WS_QWS
-Q_OPENGL_EXPORT QOpenGLPaintEngine* qt_qgl_paint_engine()
+Q_OPENGL_EXPORT QPaintEngine* qt_qgl_paint_engine()
 {
 #if !defined(QT_OPENGL_ES_2)
     return qt_gl_engine();
@@ -4118,7 +4231,16 @@ Q_OPENGL_EXPORT QOpenGLPaintEngine* qt_qgl_paint_engine()
 */
 QPaintEngine *QGLWidget::paintEngine() const
 {
+#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
     return qt_gl_engine();
+#elif defined(QT_OPENGL_ES_2)
+    return qt_gl_2_engine();
+#else
+    if (!qt_gl_preferGL2Engine())
+        return qt_gl_engine();
+    else
+        return qt_gl_2_engine();
+#endif
 }
 
 #ifdef QT3_SUPPORT
@@ -4207,6 +4329,8 @@ void QGLExtensions::init_extensions()
     glExtensions |= FramebufferObject;
     glExtensions |= GenerateMipmap;
 #endif
+    if (extensions.contains(QLatin1String("EXT_framebuffer_blit")))
+        glExtensions |= FramebufferBlit;
 
     QGLContext cx(QGLFormat::defaultFormat());
     if (glExtensions & TextureCompression) {
@@ -4236,7 +4360,7 @@ void QGLWidgetPrivate::initContext(QGLContext *context, const QGLWidget* shareWi
 }
 
 #if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
-Q_GLOBAL_STATIC(QString, qt_gl_lib_name);
+Q_GLOBAL_STATIC(QString, qt_gl_lib_name)
 
 Q_OPENGL_EXPORT void qt_set_gl_library_name(const QString& name)
 {
@@ -4247,7 +4371,7 @@ Q_OPENGL_EXPORT const QString qt_gl_library_name()
 {
     if (qt_gl_lib_name()->isNull()) {
 #if defined(Q_WS_X11) || defined(Q_WS_QWS)
-        return QString(QLatin1String("GL"));
+        return QLatin1String("GL");
 #else // Q_WS_MAC
         return QLatin1String("/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib");
 #endif
@@ -4256,4 +4380,234 @@ Q_OPENGL_EXPORT const QString qt_gl_library_name()
 }
 #endif
 
+void QGLDrawable::setDevice(QPaintDevice *pdev)
+{
+    wasBound = false;
+    widget = 0;
+    buffer = 0;
+    fbo = 0;
+#ifdef Q_WS_QWS
+    wsurf = 0;
+#endif
+
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    if (pdev->devType() == QInternal::Pixmap) {
+        QPixmapData *data = static_cast<QPixmap *>(pdev)->pixmapData();
+        Q_ASSERT(data->classId() == QPixmapData::OpenGLClass);
+        pixmapData = static_cast<QGLPixmapData *>(data);
+
+        fbo = pixmapData->fbo();
+    }
+#else
+    Q_ASSERT(pdev->devType() != QInternal::Pixmap);
+#endif
+
+    if (pdev->devType() == QInternal::Widget)
+        widget = static_cast<QGLWidget *>(pdev);
+    else if (pdev->devType() == QInternal::Pbuffer)
+        buffer = static_cast<QGLPixelBuffer *>(pdev);
+    else if (pdev->devType() == QInternal::FramebufferObject)
+        fbo = static_cast<QGLFramebufferObject *>(pdev);
+#ifdef Q_WS_QWS
+    else if (pdev->devType() == QInternal::UnknownDevice)
+        wsurf = static_cast<QWSGLPaintDevice*>(pdev)->windowSurface();
+#elif !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    else if (pdev->devType() == QInternal::UnknownDevice)
+        wsurf = static_cast<QGLWindowSurface *>(pdev);
+#endif
+}
+
+void QGLDrawable::swapBuffers()
+{
+    if (widget) {
+        if (widget->autoBufferSwap())
+            widget->swapBuffers();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    } else if (pixmapData) {
+        pixmapData->swapBuffers();
+#endif
+    } else {
+        glFlush();
+    }
+}
+
+void QGLDrawable::makeCurrent()
+{
+    previous_fbo = 0;
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    if (!pixmapData && !fbo) {
+#else
+    if (!fbo) {
+#endif
+        QGLContext *ctx = context();
+        previous_fbo = ctx->d_ptr->current_fbo;
+        ctx->d_ptr->current_fbo = 0;
+        if (previous_fbo)
+            glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
+    }
+
+    if (widget)
+        widget->makeCurrent();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    else if (pixmapData)
+        pixmapData->makeCurrent();
+#endif
+    else if (buffer)
+        buffer->makeCurrent();
+#if defined(Q_WS_QWS) || (!defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL))
+    else if (wsurf)
+        wsurf->context()->makeCurrent();
+#endif
+    else if (fbo) {
+        wasBound = fbo->isBound();
+        if (!wasBound)
+            fbo->bind();
+    }
+}
+
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+QGLPixmapData *QGLDrawable::copyOnBegin() const
+{
+    if (!pixmapData || pixmapData->isUninitialized())
+        return 0;
+    return pixmapData;
+}
+#endif
+
+void QGLDrawable::doneCurrent()
+{
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    if (pixmapData) {
+        pixmapData->doneCurrent();
+        return;
+    }
+#endif
+
+    if (previous_fbo) {
+        QGLContext *ctx = context();
+        ctx->d_ptr->current_fbo = previous_fbo;
+        glBindFramebuffer(GL_FRAMEBUFFER_EXT, previous_fbo);
+    }
+
+    if (fbo && !wasBound)
+        fbo->release();
+}
+
+QSize QGLDrawable::size() const
+{
+    if (widget) {
+        return QSize(widget->d_func()->glcx->device()->width(),
+                     widget->d_func()->glcx->device()->height());
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    } else if (pixmapData) {
+        return pixmapData->size();
+#endif
+    } else if (buffer) {
+        return buffer->size();
+    } else if (fbo) {
+        return fbo->size();
+    }
+#ifdef Q_WS_QWS
+    else if (wsurf)
+        return wsurf->window()->frameSize();
+#elif !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    else if (wsurf)
+        return QSize(wsurf->width(), wsurf->height());
+#endif
+    return QSize();
+}
+
+QGLFormat QGLDrawable::format() const
+{
+    if (widget)
+        return widget->format();
+    else if (buffer)
+        return buffer->format();
+#if defined(Q_WS_QWS) || (!defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL))
+    else if (wsurf)
+        return wsurf->context()->format();
+#endif
+    else if (fbo && QGLContext::currentContext()) {
+        QGLFormat fmt = QGLContext::currentContext()->format();
+        fmt.setStencil(fbo->attachment() == QGLFramebufferObject::CombinedDepthStencil);
+        fmt.setDepth(fbo->attachment() != QGLFramebufferObject::NoAttachment);
+        return fmt;
+    }
+
+    return QGLFormat();
+}
+
+GLuint QGLDrawable::bindTexture(const QImage &image, GLenum target, GLint format)
+{
+    if (widget)
+        return widget->d_func()->glcx->d_func()->bindTexture(image, target, format, true);
+    else if (buffer)
+        return buffer->d_func()->qctx->d_func()->bindTexture(image, target, format, true);
+    else if (fbo && QGLContext::currentContext())
+        return const_cast<QGLContext *>(QGLContext::currentContext())->d_func()->bindTexture(image, target, format, true);
+#if defined(Q_WS_QWS) || (!defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL))
+    else if (wsurf)
+        return wsurf->context()->d_func()->bindTexture(image, target, format, true);
+#endif
+    return 0;
+}
+
+GLuint QGLDrawable::bindTexture(const QPixmap &pixmap, GLenum target, GLint format)
+{
+    if (widget)
+        return widget->d_func()->glcx->d_func()->bindTexture(pixmap, target, format, true);
+    else if (buffer)
+        return buffer->d_func()->qctx->d_func()->bindTexture(pixmap, target, format, true);
+    else if (fbo && QGLContext::currentContext())
+        return const_cast<QGLContext *>(QGLContext::currentContext())->d_func()->bindTexture(pixmap, target, format, true);
+#if defined(Q_WS_QWS) || (!defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL))
+    else if (wsurf)
+        return wsurf->context()->d_func()->bindTexture(pixmap, target, format, true);
+#endif
+    return 0;
+}
+
+QColor QGLDrawable::backgroundColor() const
+{
+    if (widget)
+        return widget->palette().brush(widget->backgroundRole()).color();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    else if (pixmapData)
+        return pixmapData->fillColor();
+#endif
+    return QApplication::palette().brush(QPalette::Background).color();
+}
+
+bool QGLDrawable::hasTransparentBackground() const
+{
+    return widget && widget->testAttribute(Qt::WA_TranslucentBackground);
+}
+
+QGLContext *QGLDrawable::context() const
+{
+    if (widget)
+        return widget->d_func()->glcx;
+    else if (buffer)
+        return buffer->d_func()->qctx;
+    else if (fbo)
+        return const_cast<QGLContext *>(QGLContext::currentContext());
+#if defined(Q_WS_QWS) || (!defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL))
+    else if (wsurf)
+        return wsurf->context();
+#endif
+    return 0;
+}
+
+bool QGLDrawable::autoFillBackground() const
+{
+    if (widget)
+        return widget->autoFillBackground();
+#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL)
+    else if (pixmapData)
+        return pixmapData->needsFill();
+#endif
+    else
+        return false;
+}
+
 QT_END_NAMESPACE