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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** This file is part of the plugins of the Qt Toolkit. | |
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** GNU Lesser General Public License Usage | |
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** GNU General Public License Usage | |
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****************************************************************************/ | |
#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.rectCount() == 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; | |
} | |
} |