/* Initialize a native display for use with WSEGL */
static WSEGLError wseglInitializeDisplay
(NativeDisplayType nativeDisplay, WSEGLDisplayHandle *display,
const WSEGLCaps **caps, WSEGLConfig **configs)
{
WSEGLPixelFormat pixelFormat;
/* Bail out if the native display is incorrect */
if (nativeDisplay != WSEGL_DEFAULT_DISPLAY)
return WSEGL_CANNOT_INITIALISE;
/* Open the PVR/QWS display, which will initialize the framebuffer */
if (!pvrQwsDisplayOpen())
return WSEGL_CANNOT_INITIALISE;
/* Convert the PVR2D pixel format into a WSEGL pixel format */
switch (pvrQwsDisplay.screens[0].pixelFormat) {
case PVR2D_RGB565:
pixelFormat = WSEGL_PIXELFORMAT_565;
break;
case PVR2D_ARGB4444:
pixelFormat = WSEGL_PIXELFORMAT_4444;
break;
case PVR2D_ARGB8888:
pixelFormat = WSEGL_PIXELFORMAT_8888;
break;
default:
pvrQwsDisplayClose();
return WSEGL_CANNOT_INITIALISE;
}
wseglDisplayConfigs[0].ePixelFormat = pixelFormat;
wseglDisplayConfigs[1].ePixelFormat = pixelFormat;
/* The display has been initialized */
*display = (WSEGLDisplayHandle)&pvrQwsDisplay;
*caps = wseglDisplayCaps;
*configs = wseglDisplayConfigs;
return WSEGL_SUCCESS;
}
bool PvrEglScreen::connect(const QString &displaySpec)
{
if (!pvrQwsDisplayOpen())
return false;
// Initialize the QScreen properties.
data = (uchar *)(pvrQwsDisplay.screens[0].mapped);
w = pvrQwsDisplay.screens[0].screenRect.width;
h = pvrQwsDisplay.screens[0].screenRect.height;
lstep = pvrQwsDisplay.screens[0].screenStride;
dw = w;
dh = h;
size = h * lstep;
mapsize = size;
switch (pvrQwsDisplay.screens[0].pixelFormat) {
case PVR2D_RGB565:
d = 16;
setPixelFormat(QImage::Format_RGB16);
break;
case PVR2D_ARGB4444:
d = 16;
setPixelFormat(QImage::Format_ARGB4444_Premultiplied);
break;
case PVR2D_ARGB8888:
d = 32;
setPixelFormat(QImage::Format_ARGB32_Premultiplied);
break;
default:
pvrQwsDisplayClose();
qWarning("PvrEglScreen::connect: unsupported pixel format %d", (int)(pvrQwsDisplay.screens[0].pixelFormat));
return false;
}
// Handle display physical size spec.
QStringList displayArgs = displaySpec.split(QLatin1Char(':'));
QRegExp mmWidthRx(QLatin1String("mmWidth=?(\\d+)"));
int dimIdxW = displayArgs.indexOf(mmWidthRx);
QRegExp mmHeightRx(QLatin1String("mmHeight=?(\\d+)"));
int dimIdxH = displayArgs.indexOf(mmHeightRx);
if (dimIdxW >= 0) {
mmWidthRx.exactMatch(displayArgs.at(dimIdxW));
physWidth = mmWidthRx.cap(1).toInt();
if (dimIdxH < 0)
physHeight = dh*physWidth/dw;
}
if (dimIdxH >= 0) {
mmHeightRx.exactMatch(displayArgs.at(dimIdxH));
physHeight = mmHeightRx.cap(1).toInt();
if (dimIdxW < 0)
physWidth = dw*physHeight/dh;
}
if (dimIdxW < 0 && dimIdxH < 0) {
const int dpi = 72;
physWidth = qRound(dw * 25.4 / dpi);
physHeight = qRound(dh * 25.4 / dpi);
}
// Find the name of the tty device to use.
QRegExp ttyRegExp(QLatin1String("tty=(.*)"));
if (displayArgs.indexOf(ttyRegExp) != -1)
ttyDevice = ttyRegExp.cap(1);
if (displayArgs.contains(QLatin1String("nographicsmodeswitch")))
doGraphicsMode = false;
// The screen is ready.
return true;
}
