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/* $XFree86: xc/programs/Xserver/hw/xfree86/xaa/xaaOffscreen.c,v 1.6 2001/07/19 18:50:16 mvojkovi Exp $ */
/*
Copyright (c) 1999 - The XFree86 Project Inc.
Written by Mark Vojkovich
*/
#include "misc.h"
#include "xf86.h"
#include "xf86_ansic.h"
#include "xf86_OSproc.h"
#include "X.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "windowstr.h"
#include "xf86str.h"
#include "mi.h"
#include "miline.h"
#include "xaa.h"
#include "xaalocal.h"
#include "xaawrap.h"
#include "xf86fbman.h"
#include "servermd.h"
void
XAAMoveOutOffscreenPixmaps(ScreenPtr pScreen)
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
PixmapLinkPtr pLink = infoRec->OffscreenPixmaps;
XAAPixmapPtr pPriv;
while(pLink) {
pPriv = XAA_GET_PIXMAP_PRIVATE(pLink->pPix);
pLink->area = pPriv->offscreenArea;
XAAMoveOutOffscreenPixmap(pLink->pPix);
pLink = pLink->next;
}
}
void
XAAMoveInOffscreenPixmaps(ScreenPtr pScreen)
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(pScreen);
PixmapLinkPtr pLink = infoRec->OffscreenPixmaps;
PixmapPtr pPix, pScreenPix, tmpPix;
pointer data;
XAAPixmapPtr pPriv;
GCPtr pGC;
FBAreaPtr area;
pScreenPix = (*pScreen->GetScreenPixmap)(pScreen);
while(pLink) {
pPix = pLink->pPix;
pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
area = pLink->area;
data = pPix->devPrivate.ptr;
tmpPix = GetScratchPixmapHeader(pScreen,
pPix->drawable.width, pPix->drawable.height,
pPix->drawable.depth, pPix->drawable.bitsPerPixel,
pPix->devKind, data);
pPriv->freeData = FALSE;
pPix->drawable.x = area->box.x1;
pPix->drawable.y = area->box.y1;
pPix->devKind = pScreenPix->devKind;
pPix->devPrivate.ptr = pScreenPix->devPrivate.ptr;
pPix->drawable.bitsPerPixel = infoRec->pScrn->bitsPerPixel;
pPix->drawable.serialNumber = NEXT_SERIAL_NUMBER;
if(!tmpPix) {
pPriv->offscreenArea = area;
xfree(data);
pLink = pLink->next;
continue;
}
pGC = GetScratchGC(pPix->drawable.depth, pScreen);
ValidateGC((DrawablePtr)pPix, pGC);
(*pGC->ops->CopyArea)((DrawablePtr)tmpPix, (DrawablePtr)pPix, pGC,
0, 0, pPix->drawable.width, pPix->drawable.height, 0, 0);
xfree(data);
tmpPix->devPrivate.ptr = NULL;
FreeScratchGC(pGC);
FreeScratchPixmapHeader(tmpPix);
pPriv->offscreenArea = area;
pLink->area = NULL;
pLink = pLink->next;
}
}
void
XAARemoveAreaCallback(FBAreaPtr area)
{
XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_SCREEN(area->pScreen);
PixmapPtr pPix = (PixmapPtr)area->devPrivate.ptr;
XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
XAAMoveOutOffscreenPixmap(pPix);
pPriv->flags &= ~OFFSCREEN;
DELIST_OFFSCREEN_PIXMAP(pPix);
}
void
XAAMoveOutOffscreenPixmap(PixmapPtr pPix)
{
ScreenPtr pScreen = pPix->drawable.pScreen;
XAAPixmapPtr pPriv = XAA_GET_PIXMAP_PRIVATE(pPix);
int width, height, devKind, bitsPerPixel;
PixmapPtr tmpPix;
unsigned char *data;
GCPtr pGC;
width = pPix->drawable.width;
height = pPix->drawable.height;
bitsPerPixel = pPix->drawable.bitsPerPixel;
devKind = BitmapBytePad(width * bitsPerPixel);
if(!(data = xalloc(devKind * height)))
FatalError("Out of memory\n");
tmpPix = GetScratchPixmapHeader(pScreen, width, height,
pPix->drawable.depth, bitsPerPixel, devKind, data);
if(!tmpPix) {
xfree(data);
FatalError("Out of memory\n");
}
pGC = GetScratchGC(pPix->drawable.depth, pScreen);
ValidateGC((DrawablePtr)tmpPix, pGC);
(*pGC->ops->CopyArea)((DrawablePtr)pPix, (DrawablePtr)tmpPix,
pGC, 0, 0, width, height, 0, 0);
FreeScratchGC(pGC);
FreeScratchPixmapHeader(tmpPix);
pPix->drawable.x = 0;
pPix->drawable.y = 0;
pPix->devKind = devKind;
pPix->devPrivate.ptr = data;
pPix->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pPriv->offscreenArea = NULL;
pPriv->freeData = TRUE;
}
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