Bool
fakeSetShadow (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
FakeScrPriv *scrpriv = screen->driver;
ShadowUpdateProc update;
ShadowWindowProc window;
window = fakeWindowLinear;
update = 0;
if (scrpriv->randr)
update = shadowUpdateRotatePacked;
else
update = shadowUpdatePacked;
return KdShadowSet (pScreen, scrpriv->randr, update, window);
}
static Bool sdlCreateRes(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
SdlDriver *driver = screen->driver;
Bool oldShadow = screen->fb.shadow;
printf("%s\n", __func__);
// Hack: Kdrive assumes we have dumb videobuffer, which updates automatically,
// and does not call update callback if shadow flag is not set.
screen->fb.shadow = TRUE;
KdShadowSet (pScreen, driver->randr, sdlShadowUpdate, sdlShadowWindow);
screen->fb.shadow = oldShadow;
return TRUE;
}
Bool
ephyrCreateResources(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EPHYR_LOG("mark pScreen=%p mynum=%d shadow=%d",
pScreen, pScreen->myNum, scrpriv->shadow);
if (scrpriv->shadow)
return KdShadowSet(pScreen,
scrpriv->randr,
ephyrShadowUpdate, ephyrWindowLinear);
else
return ephyrSetInternalDamage(pScreen);
}
Bool
ephyrRandRSetConfig(ScreenPtr pScreen,
Rotation randr, int rate, RRScreenSizePtr pSize)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
Bool wasEnabled = pScreenPriv->enabled;
EphyrScrPriv oldscr;
int oldwidth, oldheight, oldmmwidth, oldmmheight;
Bool oldshadow;
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;
oldshadow = scrpriv->shadow;
/*
* Set new configuration
*/
/*
* We need to store the rotation value for pointer coords transformation;
* though initially the pointer and fb rotation are identical, when we map
* the fb, the screen will be reinitialized and return into an unrotated
* state (presumably the HW is taking care of the rotation of the fb), but the
* pointer still needs to be transformed.
*/
ephyrRandr = KdAddRotation(screen->randr, randr);
scrpriv->randr = ephyrRandr;
ephyrUnmapFramebuffer(screen);
screen->width = newwidth;
screen->height = newheight;
if (!ephyrMapFramebuffer(screen))
goto bail4;
/* FIXME below should go in own call */
if (oldshadow)
KdShadowUnset(screen->pScreen);
else
ephyrUnsetInternalDamage(screen->pScreen);
if (scrpriv->shadow) {
if (!KdShadowSet(screen->pScreen,
scrpriv->randr, ephyrShadowUpdate, ephyrWindowLinear))
goto bail4;
}
else {
/* Without shadow fb ( non rotated ) we need
* to use damage to efficiently update display
* via signal regions what to copy from 'fb'.
*/
if (!ephyrSetInternalDamage(screen->pScreen))
goto bail4;
}
ephyrSetScreenSizes(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);
RRScreenSizeNotify(pScreen);
return TRUE;
bail4:
EPHYR_LOG("bailed");
ephyrUnmapFramebuffer(screen);
*scrpriv = oldscr;
(void) ephyrMapFramebuffer(screen);
pScreen->width = oldwidth;
pScreen->height = oldheight;
pScreen->mmWidth = oldmmwidth;
pScreen->mmHeight = oldmmheight;
if (wasEnabled)
KdEnableScreen(pScreen);
return FALSE;
}