void
KdSetSubpixelOrder (ScreenPtr pScreen, Rotation randr)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
int subpixel_order = screen->subpixel_order;
Rotation subpixel_dir;
int i;
static struct {
int subpixel_order;
Rotation direction;
} orders[] = {
{ SubPixelHorizontalRGB, RR_Rotate_0 },
{ SubPixelHorizontalBGR, RR_Rotate_180 },
{ SubPixelVerticalRGB, RR_Rotate_270 },
{ SubPixelVerticalBGR, RR_Rotate_90 },
};
static struct {
int bit;
int normal;
int reflect;
} reflects[] = {
{ RR_Reflect_X, SubPixelHorizontalRGB, SubPixelHorizontalBGR },
{ RR_Reflect_X, SubPixelHorizontalBGR, SubPixelHorizontalRGB },
{ RR_Reflect_Y, SubPixelVerticalRGB, SubPixelVerticalBGR },
{ RR_Reflect_Y, SubPixelVerticalRGB, SubPixelVerticalRGB },
};
/* map subpixel to direction */
for (i = 0; i < 4; i++)
if (orders[i].subpixel_order == subpixel_order)
break;
if (i < 4)
{
subpixel_dir = KdAddRotation (randr & RR_Rotate_All, orders[i].direction);
/* map back to subpixel order */
for (i = 0; i < 4; i++)
if (orders[i].direction & subpixel_dir)
{
subpixel_order = orders[i].subpixel_order;
break;
}
/* reflect */
for (i = 0; i < 4; i++)
if ((randr & reflects[i].bit) &&
reflects[i].normal == subpixel_order)
{
subpixel_order = reflects[i].reflect;
break;
}
}
PictureSetSubpixelOrder (pScreen, subpixel_order);
}
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;
}
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;
}
static Bool sdlRandRSetConfig (ScreenPtr pScreen,
Rotation randr,
int rate,
RRScreenSizePtr pSize)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
SdlDriver *driver = screen->driver;
Bool wasEnabled = pScreenPriv->enabled;
SdlDriver oldDriver;
int oldwidth;
int oldheight;
int oldmmwidth;
int oldmmheight;
if (wasEnabled)
KdDisableScreen (pScreen);
oldDriver = *driver;
oldwidth = screen->width;
oldheight = screen->height;
oldmmwidth = pScreen->mmWidth;
oldmmheight = pScreen->mmHeight;
/*
* Set new configuration
*/
driver->randr = KdAddRotation (screen->randr, randr);
printf("%s driver->randr %d", __func__, driver->randr);
sdlUnmapFramebuffer (screen);
if (!sdlMapFramebuffer (screen))
goto bail4;
KdShadowUnset (screen->pScreen);
if (!sdlCreateRes (screen->pScreen))
goto bail4;
sdlSetScreenSizes (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, driver->randr);
if (wasEnabled)
KdEnableScreen (pScreen);
return TRUE;
bail4:
sdlUnmapFramebuffer (screen);
*driver = oldDriver;
(void) sdlMapFramebuffer (screen);
pScreen->width = oldwidth;
pScreen->height = oldheight;
pScreen->mmWidth = oldmmwidth;
pScreen->mmHeight = oldmmheight;
if (wasEnabled)
KdEnableScreen (pScreen);
return FALSE;
}