--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,273 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "pvreglwindowsurface.h"
+#include "pvreglscreen.h"
+#include <QScreen>
+#include <QDebug>
+#include <QWSDisplay>
+
+PvrEglWindowSurface::PvrEglWindowSurface
+ (QWidget *widget, PvrEglScreen *screen, int screenNum)
+ : QWSGLWindowSurface(widget)
+{
+ setSurfaceFlags(QWSWindowSurface::Opaque);
+
+ this->widget = widget;
+ this->screen = screen;
+ this->pdevice = 0;
+
+ QPoint pos = offset(widget);
+ QSize size = widget->size();
+
+ PvrQwsRect pvrRect;
+ pvrRect.x = pos.x();
+ pvrRect.y = pos.y();
+ pvrRect.width = size.width();
+ pvrRect.height = size.height();
+ transformRects(&pvrRect, 1);
+
+ // Try to recover a previous PvrQwsDrawable object for the widget
+ // if there is one. This can happen when a PvrEglWindowSurface
+ // is created for a widget, bound to a EGLSurface, and then destroyed.
+ // When a new PvrEglWindowSurface is created for the widget, it will
+ // pick up the previous PvrQwsDrawable if the EGLSurface has not been
+ // destroyed in the meantime.
+ drawable = pvrQwsFetchWindow((long)widget);
+ if (drawable)
+ pvrQwsSetGeometry(drawable, &pvrRect);
+ else
+ drawable = pvrQwsCreateWindow(screenNum, (long)widget, &pvrRect);
+ pvrQwsSetRotation(drawable, screen->transformation());
+}
+
+PvrEglWindowSurface::PvrEglWindowSurface()
+ : QWSGLWindowSurface()
+{
+ setSurfaceFlags(QWSWindowSurface::Opaque);
+ drawable = 0;
+ widget = 0;
+ screen = 0;
+ pdevice = 0;
+}
+
+PvrEglWindowSurface::~PvrEglWindowSurface()
+{
+ // Release the PvrQwsDrawable. If it is bound to an EGLSurface,
+ // then it will stay around until a new PvrEglWindowSurface is
+ // created for the widget. If it is not bound to an EGLSurface,
+ // it will be destroyed immediately.
+ if (drawable && pvrQwsReleaseWindow(drawable))
+ pvrQwsDestroyDrawable(drawable);
+
+ delete pdevice;
+}
+
+bool PvrEglWindowSurface::isValid() const
+{
+ return (widget != 0);
+}
+
+void PvrEglWindowSurface::setGeometry(const QRect &rect)
+{
+ if (drawable) {
+ // XXX: adjust for the screen offset.
+ PvrQwsRect pvrRect;
+ pvrRect.x = rect.x();
+ pvrRect.y = rect.y();
+ pvrRect.width = rect.width();
+ pvrRect.height = rect.height();
+ transformRects(&pvrRect, 1);
+ pvrQwsSetGeometry(drawable, &pvrRect);
+ pvrQwsSetRotation(drawable, screen->transformation());
+ }
+ QWSGLWindowSurface::setGeometry(rect);
+}
+
+bool PvrEglWindowSurface::move(const QPoint &offset)
+{
+ QRect rect = geometry().translated(offset);
+ if (drawable) {
+ PvrQwsRect pvrRect;
+ pvrRect.x = rect.x();
+ pvrRect.y = rect.y();
+ pvrRect.width = rect.width();
+ pvrRect.height = rect.height();
+ transformRects(&pvrRect, 1);
+ pvrQwsSetGeometry(drawable, &pvrRect);
+ pvrQwsSetRotation(drawable, screen->transformation());
+ }
+ return QWSGLWindowSurface::move(offset);
+}
+
+QByteArray PvrEglWindowSurface::permanentState() const
+{
+ // Nothing interesting to pass to the server just yet.
+ return QByteArray();
+}
+
+void PvrEglWindowSurface::setPermanentState(const QByteArray &state)
+{
+ Q_UNUSED(state);
+}
+
+void PvrEglWindowSurface::flush
+ (QWidget *widget, const QRegion ®ion, const QPoint &offset)
+{
+ // The GL paint engine is responsible for the swapBuffers() call.
+ // If we were to call the base class's implementation of flush()
+ // then it would fetch the image() and manually blit it to the
+ // screeen instead of using the fast PVR2D blit.
+ Q_UNUSED(widget);
+ Q_UNUSED(region);
+ Q_UNUSED(offset);
+}
+
+QImage PvrEglWindowSurface::image() const
+{
+ if (drawable) {
+ PvrQwsRect pvrRect;
+ pvrQwsGetGeometry(drawable, &pvrRect);
+ void *data = pvrQwsGetRenderBuffer(drawable);
+ if (data) {
+ return QImage((uchar *)data, pvrRect.width, pvrRect.height,
+ pvrQwsGetStride(drawable), screen->pixelFormat());
+ }
+ }
+ return QImage(16, 16, screen->pixelFormat());
+}
+
+QPaintDevice *PvrEglWindowSurface::paintDevice()
+{
+ return widget;
+}
+
+void PvrEglWindowSurface::setDirectRegion(const QRegion &r, int id)
+{
+ QWSGLWindowSurface::setDirectRegion(r, id);
+
+ if (!drawable)
+ return;
+
+ // Clip the region to the window boundaries in case the child
+ // is partially outside the geometry of the parent.
+ QWidget *window = widget->window();
+ QRegion region = r;
+ if (widget != window) {
+ QRect rect = window->geometry();
+ rect.moveTo(window->mapToGlobal(QPoint(0, 0)));
+ region = region.intersect(rect);
+ }
+
+ if (region.isEmpty()) {
+ pvrQwsClearVisibleRegion(drawable);
+ } else if (region.numRects() == 1) {
+ QRect rect = region.boundingRect();
+ PvrQwsRect pvrRect;
+ pvrRect.x = rect.x();
+ pvrRect.y = rect.y();
+ pvrRect.width = rect.width();
+ pvrRect.height = rect.height();
+ transformRects(&pvrRect, 1);
+ pvrQwsSetVisibleRegion(drawable, &pvrRect, 1);
+ pvrQwsSetRotation(drawable, screen->transformation());
+ if (!pvrQwsSwapBuffers(drawable, 1))
+ screen->solidFill(QColor(0, 0, 0), region);
+ } else {
+ QVector<QRect> rects = region.rects();
+ PvrQwsRect *pvrRects = new PvrQwsRect [rects.size()];
+ for (int index = 0; index < rects.size(); ++index) {
+ QRect rect = rects[index];
+ pvrRects[index].x = rect.x();
+ pvrRects[index].y = rect.y();
+ pvrRects[index].width = rect.width();
+ pvrRects[index].height = rect.height();
+ }
+ transformRects(pvrRects, rects.size());
+ pvrQwsSetVisibleRegion(drawable, pvrRects, rects.size());
+ pvrQwsSetRotation(drawable, screen->transformation());
+ if (!pvrQwsSwapBuffers(drawable, 1))
+ screen->solidFill(QColor(0, 0, 0), region);
+ delete [] pvrRects;
+ }
+}
+
+void PvrEglWindowSurface::transformRects(PvrQwsRect *rects, int count) const
+{
+ switch (screen->transformation()) {
+ case 0: break;
+
+ case 90:
+ {
+ for (int index = 0; index < count; ++index) {
+ int x = rects[index].y;
+ int y = screen->height() - (rects[index].x + rects[index].width);
+ rects[index].x = x;
+ rects[index].y = y;
+ qSwap(rects[index].width, rects[index].height);
+ }
+ }
+ break;
+
+ case 180:
+ {
+ for (int index = 0; index < count; ++index) {
+ int x = screen->width() - (rects[index].x + rects[index].width);
+ int y = screen->height() - (rects[index].y + rects[index].height);
+ rects[index].x = x;
+ rects[index].y = y;
+ }
+ }
+ break;
+
+ case 270:
+ {
+ for (int index = 0; index < count; ++index) {
+ int x = screen->width() - (rects[index].y + rects[index].height);
+ int y = rects[index].x;
+ rects[index].x = x;
+ rects[index].y = y;
+ qSwap(rects[index].width, rects[index].height);
+ }
+ }
+ break;
+ }
+}