diff options
Diffstat (limited to 'src/plugins/gfxdrivers/powervr')
9 files changed, 179 insertions, 157 deletions
diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c index ac9dc8d..c1b655a 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c @@ -617,6 +617,16 @@ void pvrQwsGetGeometry(PvrQwsDrawable *drawable, PvrQwsRect *rect) *rect = drawable->rect; } +void pvrQwsSetRotation(PvrQwsDrawable *drawable, int angle) +{ + if (drawable->rotationAngle != angle) { + drawable->rotationAngle = angle; + + /* Force the buffers to be recreated if the rotation angle changes */ + pvrQwsInvalidateBuffers(drawable); + } +} + int pvrQwsGetStride(PvrQwsDrawable *drawable) { if (drawable->backBuffersValid) diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.h b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.h index 952ff6f..b9e035f 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.h +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.h @@ -126,6 +126,9 @@ void pvrQwsSetGeometry(PvrQwsDrawable *drawable, const PvrQwsRect *rect); /* Get the current geometry for a drawable */ void pvrQwsGetGeometry(PvrQwsDrawable *drawable, PvrQwsRect *rect); +/* Set the rotation angle in degrees */ +void pvrQwsSetRotation(PvrQwsDrawable *drawable, int angle); + /* Get the line stride for a drawable. Returns zero if the buffers are not allocated or have been invalidated */ int pvrQwsGetStride(PvrQwsDrawable *drawable); diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h index cf80a90..dcd4e4f 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h @@ -114,6 +114,7 @@ struct _PvrQwsDrawable int isFullScreen; int strideBytes; int stridePixels; + int rotationAngle; PvrQwsSwapFunction swapFunction; void *userData; PvrQwsDrawable *nextWinId; diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c index 253f39f..28b2251 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwswsegl.c @@ -132,6 +132,16 @@ static WSEGLError wseglCloseDisplay(WSEGLDisplayHandle display) return WSEGL_SUCCESS; } +static WSEGLRotationAngle wseglRotationValue(int degrees) +{ + switch (degrees) { + case 90: return WSEGL_ROTATE_90; + case 180: return WSEGL_ROTATE_180; + case 270: return WSEGL_ROTATE_270; + default: return WSEGL_ROTATE_0; + } +} + /* Create the WSEGL drawable version of a native window */ static WSEGLError wseglCreateWindowDrawable (WSEGLDisplayHandle display, WSEGLConfig *config, @@ -152,7 +162,7 @@ static WSEGLError wseglCreateWindowDrawable *drawable = (WSEGLDrawableHandle)screen; if (!pvrQwsAllocBuffers(screen)) return WSEGL_OUT_OF_MEMORY; - *rotationAngle = WSEGL_ROTATE_0; + *rotationAngle = wseglRotationValue(screen->rotationAngle); return WSEGL_SUCCESS; } @@ -163,7 +173,7 @@ static WSEGLError wseglCreateWindowDrawable /* The drawable is ready to go */ *drawable = (WSEGLDrawableHandle)draw; - *rotationAngle = WSEGL_ROTATE_0; + *rotationAngle = wseglRotationValue(draw->rotationAngle); if (!pvrQwsAllocBuffers(draw)) return WSEGL_OUT_OF_MEMORY; return WSEGL_SUCCESS; diff --git a/src/plugins/gfxdrivers/powervr/README b/src/plugins/gfxdrivers/powervr/README index 4dce87f..322a6b2 100644 --- a/src/plugins/gfxdrivers/powervr/README +++ b/src/plugins/gfxdrivers/powervr/README @@ -51,6 +51,11 @@ on the device with: hellogl_es -qws +The driver also supports screen rotation if Qt is configured with the +-qt-gfx-transformed option and the QWS_DISPLAY variable is wrapped in a +"Transformed" declaration: + + Transformed:powervr:mmWidth40:mmHeight54:Rot90:0 Know Issues: * A QGLWidget may not have window decorations if it is a top-level window. diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp index cb453d7..1dec9ea 100644 --- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp +++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp @@ -44,33 +44,42 @@ #include "pvrqwsdrawable_p.h" #include <QRegExp> #include <qwindowsystem_qws.h> +#ifndef QT_NO_QWS_TRANSFORMED +#include <qscreentransformed_qws.h> +#endif #include <sys/stat.h> #include <sys/ioctl.h> #include <sys/kd.h> #include <fcntl.h> #include <unistd.h> +//![0] PvrEglScreen::PvrEglScreen(int displayId) : QGLScreen(displayId) { setOptions(NativeWindows); setSupportsBlitInClients(true); setSurfaceFunctions(new PvrEglScreenSurfaceFunctions(this, displayId)); +//![0] fd = -1; ttyfd = -1; doGraphicsMode = true; oldKdMode = KD_TEXT; - if (QWSServer::instance()) - holder = new PvrEglSurfaceHolder(); - else - holder = 0; + parent = 0; + + // Make sure that the EGL layer is initialized and the drivers loaded. + EGLDisplay dpy = eglGetDisplay((EGLNativeDisplayType)EGL_DEFAULT_DISPLAY); + if (!eglInitialize(dpy, 0, 0)) + qWarning("Could not initialize EGL display - are the drivers loaded?"); + + // Make sure that screen 0 is initialized. + pvrQwsScreenWindow(0); } PvrEglScreen::~PvrEglScreen() { if (fd >= 0) ::close(fd); - delete holder; } bool PvrEglScreen::initDevice() @@ -183,10 +192,11 @@ bool PvrEglScreen::hasOpenGL() return true; } +//![1] QWSWindowSurface* PvrEglScreen::createSurface(QWidget *widget) const { if (qobject_cast<QGLWidget*>(widget)) - return new PvrEglWindowSurface(widget, (QScreen *)this, displayId); + return new PvrEglWindowSurface(widget, (PvrEglScreen *)this, displayId); return QScreen::createSurface(widget); } @@ -194,10 +204,72 @@ QWSWindowSurface* PvrEglScreen::createSurface(QWidget *widget) const QWSWindowSurface* PvrEglScreen::createSurface(const QString &key) const { if (key == QLatin1String("PvrEgl")) - return new PvrEglWindowSurface(holder); + return new PvrEglWindowSurface(); return QScreen::createSurface(key); } +//![1] + +#ifndef QT_NO_QWS_TRANSFORMED + +static const QScreen *parentScreen + (const QScreen *current, const QScreen *lookingFor) +{ + if (!current) + return 0; + switch (current->classId()) { + case QScreen::ProxyClass: + case QScreen::TransformedClass: { + const QScreen *child = + static_cast<const QProxyScreen *>(current)->screen(); + if (child == lookingFor) + return current; + else + return parentScreen(child, lookingFor); + } + // Not reached. + + case QScreen::MultiClass: { + QList<QScreen *> screens = current->subScreens(); + foreach (QScreen *screen, screens) { + if (screen == lookingFor) + return current; + const QScreen *parent = parentScreen(screen, lookingFor); + if (parent) + return parent; + } + } + break; + + default: break; + } + return 0; +} + +int PvrEglScreen::transformation() const +{ + // We need to search for our parent screen, which is assumed to be + // "Transformed". If it isn't, then there is no transformation. + // There is no direct method to get the parent screen so we need + // to search every screen until we find ourselves. + if (!parent && qt_screen != this) + parent = parentScreen(qt_screen, this); + if (!parent) + return 0; + if (parent->classId() != QScreen::TransformedClass) + return 0; + return 90 * static_cast<const QTransformedScreen *>(parent) + ->transformation(); +} + +#else + +int PvrEglScreen::transformation() const +{ + return 0; +} + +#endif void PvrEglScreen::sync() { @@ -253,8 +325,10 @@ void PvrEglScreen::closeTty() ttyfd = -1; } +//![2] bool PvrEglScreenSurfaceFunctions::createNativeWindow(QWidget *widget, EGLNativeWindowType *native) { +//![2] QWSWindowSurface *surface = static_cast<QWSWindowSurface *>(widget->windowSurface()); if (!surface) { @@ -275,116 +349,3 @@ bool PvrEglScreenSurfaceFunctions::createNativeWindow(QWidget *widget, EGLNative *native = (EGLNativeWindowType)(nsurface->nativeDrawable()); return true; } - -// The PowerVR engine on the device needs to allocate about 2Mb of -// contiguous physical memory to manage drawing into a surface. -// -// The problem is that once Qtopia begins its startup sequence, -// it allocates enough memory to severely fragment the physical -// address space on the device. This leaves the PowerVR engine -// unable to allocate the necessary contiguous physical memory -// when an EGL surface is created. -// -// A solution to this is to pre-allocate a dummy surface early -// in the startup sequence before memory becomes fragmented, -// reserving it for any future EGL applications to use. -// -// However, the PowerVR engine has problems managing multiple -// surfaces concurrently, and so real EGL applications end up -// with unacceptably slow frame rates unless the dummy surface -// is destroyed while the real EGL applications are running. -// -// In summary, we need to try to ensure that there is always at -// least one EGL surface active at any given time to reserve the -// memory but destroy the temporary surface when a real surface -// is using the device. That is the purpose of PvrEglSurfaceHolder. - -PvrEglSurfaceHolder::PvrEglSurfaceHolder(QObject *parent) - : QObject(parent) -{ - numRealSurfaces = 0; - - PvrQwsRect rect; - rect.x = 0; - rect.y = 0; - rect.width = 16; - rect.height = 16; - tempSurface = pvrQwsCreateWindow(0, -1, &rect); - - dpy = EGL_NO_DISPLAY; - config = 0; - surface = EGL_NO_SURFACE; - - dpy = eglGetDisplay((EGLNativeDisplayType)EGL_DEFAULT_DISPLAY); - if (!eglInitialize(dpy, 0, 0)) { - qWarning("Could not initialize EGL display - are the drivers loaded?"); - dpy = EGL_NO_DISPLAY; - return; - } - - EGLint attribList[16]; - int temp = 0; - attribList[temp++] = EGL_LEVEL; // Framebuffer level 0 - attribList[temp++] = 0; - attribList[temp++] = EGL_SURFACE_TYPE; - attribList[temp++] = EGL_WINDOW_BIT; - attribList[temp++] = EGL_NONE; - - EGLint numConfigs = 0; - if (!eglChooseConfig(dpy, attribList, &config, 1, &numConfigs) || numConfigs != 1) { - qWarning("Could not find a matching a EGL configuration"); - eglTerminate(dpy); - dpy = EGL_NO_DISPLAY; - return; - } - - surface = eglCreateWindowSurface - (dpy, config, (EGLNativeWindowType)(-1), NULL); - if (surface == EGL_NO_SURFACE) - qWarning("Could not create the temporary EGL surface"); -} - -PvrEglSurfaceHolder::~PvrEglSurfaceHolder() -{ - if (surface != EGL_NO_SURFACE) - eglDestroySurface(dpy, surface); - if (dpy != EGL_NO_DISPLAY) - eglTerminate(dpy); - if (tempSurface) - pvrQwsDestroyDrawable(tempSurface); -} - -// Add a real EGL surface to the system. -void PvrEglSurfaceHolder::addSurface() -{ - ++numRealSurfaces; - if (numRealSurfaces == 1) { - // Destroy the temporary surface while some other application - // is making use of the EGL sub-system for 3D rendering. - if (surface != EGL_NO_SURFACE) { - eglDestroySurface(dpy, surface); - surface = EGL_NO_SURFACE; - } - } -} - -// Remove an actual EGL surface from the system. -void PvrEglSurfaceHolder::removeSurface() -{ - if (numRealSurfaces > 0) { - --numRealSurfaces; - if (numRealSurfaces == 0) { - // The last real EGL surface has been destroyed, so re-create - // the temporary surface. There is a race condition here in - // that Qtopia could allocate a lot of memory just after - // the real EGL surface is destroyed but before we could - // create the temporary surface again. - if (surface == EGL_NO_SURFACE && dpy != EGL_NO_DISPLAY) { - surface = eglCreateWindowSurface - (dpy, config, (EGLNativeWindowType)(-1), NULL); - if (surface == EGL_NO_SURFACE) - qWarning("Could not re-create the temporary EGL surface"); - } - } - } -} diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.h b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.h index 1c79f8e..5769e70 100644 --- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.h +++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.h @@ -46,37 +46,21 @@ #include <QGLScreen> #include "pvrqwsdrawable.h" +class PvrEglScreen; + class PvrEglScreenSurfaceFunctions : public QGLScreenSurfaceFunctions { public: - PvrEglScreenSurfaceFunctions(QScreen *s, int screenNum) + PvrEglScreenSurfaceFunctions(PvrEglScreen *s, int screenNum) : screen(s), displayId(screenNum) {} bool createNativeWindow(QWidget *widget, EGLNativeWindowType *native); private: - QScreen *screen; + PvrEglScreen *screen; int displayId; }; -class PvrEglSurfaceHolder : public QObject -{ - Q_OBJECT -public: - PvrEglSurfaceHolder(QObject *parent=0); - ~PvrEglSurfaceHolder(); - - void addSurface(); - void removeSurface(); - -private: - int numRealSurfaces; - PvrQwsDrawable *tempSurface; - EGLDisplay dpy; - EGLConfig config; - EGLSurface surface; -}; - class PvrEglScreen : public QGLScreen { public: @@ -98,6 +82,8 @@ public: QWSWindowSurface* createSurface(QWidget *widget) const; QWSWindowSurface* createSurface(const QString &key) const; + int transformation() const; + private: void sync(); void openTty(); @@ -105,9 +91,9 @@ private: int fd; int ttyfd, oldKdMode; - PvrEglSurfaceHolder *holder; QString ttyDevice; bool doGraphicsMode; + mutable const QScreen *parent; }; #endif diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp index 09c0ace..4a3787f 100644 --- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp +++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.cpp @@ -46,14 +46,13 @@ #include <QWSDisplay> PvrEglWindowSurface::PvrEglWindowSurface - (QWidget *widget, QScreen *screen, int screenNum) + (QWidget *widget, PvrEglScreen *screen, int screenNum) : QWSGLWindowSurface(widget) { setSurfaceFlags(QWSWindowSurface::Opaque); this->widget = widget; this->screen = screen; - this->holder = 0; this->pdevice = 0; QPoint pos = offset(widget); @@ -64,6 +63,7 @@ PvrEglWindowSurface::PvrEglWindowSurface 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 @@ -76,9 +76,10 @@ PvrEglWindowSurface::PvrEglWindowSurface pvrQwsSetGeometry(drawable, &pvrRect); else drawable = pvrQwsCreateWindow(screenNum, (long)widget, &pvrRect); + pvrQwsSetRotation(drawable, screen->transformation()); } -PvrEglWindowSurface::PvrEglWindowSurface(PvrEglSurfaceHolder *holder) +PvrEglWindowSurface::PvrEglWindowSurface() : QWSGLWindowSurface() { setSurfaceFlags(QWSWindowSurface::Opaque); @@ -86,9 +87,6 @@ PvrEglWindowSurface::PvrEglWindowSurface(PvrEglSurfaceHolder *holder) widget = 0; screen = 0; pdevice = 0; - - this->holder = holder; - holder->addSurface(); } PvrEglWindowSurface::~PvrEglWindowSurface() @@ -100,8 +98,6 @@ PvrEglWindowSurface::~PvrEglWindowSurface() if (drawable && pvrQwsReleaseWindow(drawable)) pvrQwsDestroyDrawable(drawable); - if (holder) - holder->removeSurface(); delete pdevice; } @@ -119,7 +115,9 @@ void PvrEglWindowSurface::setGeometry(const QRect &rect) 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); } @@ -133,7 +131,9 @@ bool PvrEglWindowSurface::move(const QPoint &offset) 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); } @@ -206,7 +206,9 @@ void PvrEglWindowSurface::setDirectRegion(const QRegion &r, int id) 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 { @@ -219,9 +221,53 @@ void PvrEglWindowSurface::setDirectRegion(const QRegion &r, int id) 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; + } +} diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.h b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.h index 0da3653..b0a161c 100644 --- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.h +++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglwindowsurface.h @@ -45,14 +45,13 @@ #include <private/qglwindowsurface_qws_p.h> #include "pvrqwsdrawable.h" -class QScreen; -class PvrEglSurfaceHolder; +class PvrEglScreen; class PvrEglWindowSurface : public QWSGLWindowSurface { public: - PvrEglWindowSurface(QWidget *widget, QScreen *screen, int screenNum); - PvrEglWindowSurface(PvrEglSurfaceHolder *holder); + PvrEglWindowSurface(QWidget *widget, PvrEglScreen *screen, int screenNum); + PvrEglWindowSurface(); ~PvrEglWindowSurface(); QString key() const { return QLatin1String("PvrEgl"); } @@ -77,9 +76,10 @@ public: private: QWidget *widget; PvrQwsDrawable *drawable; - QScreen *screen; - PvrEglSurfaceHolder *holder; + PvrEglScreen *screen; QPaintDevice *pdevice; + + void transformRects(PvrQwsRect *rects, int count) const; }; #endif |