#include "xgl.h"
#define XGL_BSTORE_FALLBACK_PROLOGUE(pDrawable, func) \
xglSyncDamageBoxBits (pDrawable); \
XGL_SCREEN_UNWRAP (func)
#define XGL_BSTORE_FALLBACK_EPILOGUE(pDrawable, func, xglfunc) \
XGL_SCREEN_WRAP (func, xglfunc); \
xglAddCurrentSurfaceDamage (pDrawable)
void
xglSaveAreas (PixmapPtr pPixmap,
RegionPtr prgnSave,
int xorg,
int yorg,
WindowPtr pWin)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
BoxRec box;
XGL_SCREEN_PRIV (pScreen);
XGL_PIXMAP_PRIV (pPixmap);
box = *(REGION_EXTENTS (pScreen, prgnSave));
pPixmapPriv->damageBox = box;
if (xglCopy (&pWin->drawable,
&pPixmap->drawable,
xorg, yorg,
REGION_RECTS (prgnSave),
REGION_NUM_RECTS (prgnSave)))
{
xglAddCurrentBitDamage (&pPixmap->drawable);
return;
}
box.x1 += xorg;
box.y1 += yorg;
box.x2 += xorg;
box.y2 += yorg;
if (!xglSyncBits (&pWin->drawable, &box))
FatalError (XGL_SW_FAILURE_STRING);
XGL_BSTORE_FALLBACK_PROLOGUE (&pPixmap->drawable,
BackingStoreFuncs.SaveAreas);
(*pScreen->BackingStoreFuncs.SaveAreas) (pPixmap, prgnSave,
xorg, yorg, pWin);
XGL_BSTORE_FALLBACK_EPILOGUE (&pPixmap->drawable,
BackingStoreFuncs.SaveAreas,
xglSaveAreas);
}
void
xglRestoreAreas (PixmapPtr pPixmap,
RegionPtr prgnRestore,
int xorg,
int yorg,
WindowPtr pWin)
{
ScreenPtr pScreen = pWin->drawable.pScreen;
BoxPtr pExt;
BoxRec box;
XGL_SCREEN_PRIV (pScreen);
if (xglCopy (&pPixmap->drawable,
&pWin->drawable,
-xorg, -yorg,
REGION_RECTS (prgnRestore),
REGION_NUM_RECTS (prgnRestore)))
{
xglAddCurrentBitDamage (&pPixmap->drawable);
return;
}
pExt = REGION_EXTENTS (pScreen, prgnRestore);
box.x1 = pExt->x1 - xorg;
box.y1 = pExt->y1 - yorg;
box.x2 = pExt->x2 - xorg;
box.y2 = pExt->y2 - yorg;
if (!xglSyncBits (&pPixmap->drawable, &box))
FatalError (XGL_SW_FAILURE_STRING);
XGL_BSTORE_FALLBACK_PROLOGUE (&pWin->drawable,
BackingStoreFuncs.RestoreAreas);
(*pScreen->BackingStoreFuncs.RestoreAreas) (pPixmap, prgnRestore,
xorg, yorg, pWin);
XGL_BSTORE_FALLBACK_EPILOGUE (&pWin->drawable,
BackingStoreFuncs.RestoreAreas,
xglRestoreAreas);
}