Bool
fakeScreenInitialize(KdScreenInfo * screen, FakeScrPriv * scrpriv)
{
if (!screen->width || !screen->height) {
screen->width = 1024;
screen->height = 768;
screen->rate = 72;
}
if (screen->width <= 0)
screen->width = 1;
if (screen->height <= 0)
screen->height = 1;
if (!screen->fb.depth)
screen->fb.depth = 16;
if (screen->fb.depth <= 8) {
screen->fb.visuals = ((1 << StaticGray) |
(1 << GrayScale) |
(1 << StaticColor) |
(1 << PseudoColor) |
(1 << TrueColor) | (1 << DirectColor));
}
else {
screen->fb.visuals = (1 << TrueColor);
#define Mask(o,l) (((1 << l) - 1) << o)
if (screen->fb.depth <= 15) {
screen->fb.depth = 15;
screen->fb.bitsPerPixel = 16;
screen->fb.redMask = Mask (10, 5);
screen->fb.greenMask = Mask (5, 5);
screen->fb.blueMask = Mask (0, 5);
}
else if (screen->fb.depth <= 16) {
screen->fb.depth = 16;
screen->fb.bitsPerPixel = 16;
screen->fb.redMask = Mask (11, 5);
screen->fb.greenMask = Mask (5, 6);
screen->fb.blueMask = Mask (0, 5);
}
else {
screen->fb.depth = 24;
screen->fb.bitsPerPixel = 32;
screen->fb.redMask = Mask (16, 8);
screen->fb.greenMask = Mask (8, 8);
screen->fb.blueMask = Mask (0, 8);
}
}
scrpriv->randr = screen->randr;
return fakeMapFramebuffer(screen);
}
Bool
fakeRandRSetConfig (ScreenPtr pScreen,
Rotation randr,
int rate,
RRScreenSizePtr pSize)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
FakeScrPriv *scrpriv = screen->driver;
Bool wasEnabled = pScreenPriv->enabled;
FakeScrPriv oldscr;
int oldwidth;
int oldheight;
int oldmmwidth;
int oldmmheight;
int newwidth, newheight;
if (screen->randr & (RR_Rotate_0|RR_Rotate_180))
{
newwidth = pSize->width;
newheight = pSize->height;
}
else
{
newwidth = pSize->height;
newheight = pSize->width;
}
if (wasEnabled)
KdDisableScreen (pScreen);
oldscr = *scrpriv;
oldwidth = screen->width;
oldheight = screen->height;
oldmmwidth = pScreen->mmWidth;
oldmmheight = pScreen->mmHeight;
/*
* Set new configuration
*/
scrpriv->randr = KdAddRotation (screen->randr, randr);
fakeUnmapFramebuffer (screen);
if (!fakeMapFramebuffer (screen))
goto bail4;
KdShadowUnset (screen->pScreen);
if (!fakeSetShadow (screen->pScreen))
goto bail4;
fakeSetScreenSizes (screen->pScreen);
/*
* Set frame buffer mapping
*/
(*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
pScreen->width,
pScreen->height,
screen->fb.depth,
screen->fb.bitsPerPixel,
screen->fb.byteStride,
screen->fb.frameBuffer);
/* set the subpixel order */
KdSetSubpixelOrder (pScreen, scrpriv->randr);
if (wasEnabled)
KdEnableScreen (pScreen);
return TRUE;
bail4:
fakeUnmapFramebuffer (screen);
*scrpriv = oldscr;
(void) fakeMapFramebuffer (screen);
pScreen->width = oldwidth;
pScreen->height = oldheight;
pScreen->mmWidth = oldmmwidth;
pScreen->mmHeight = oldmmheight;
if (wasEnabled)
KdEnableScreen (pScreen);
return FALSE;
}
