Initial revision

1 files changed, 160 insertions, 0 deletions

diff --git a/hw/xfree86/xaa/xaaOffscreen.c b/hw/xfree86/xaa/xaaOffscreen.c
new file mode 100644
index 000000000..0fb1db365
--- /dev/null
+++ b/hw/xfree86/xaa/xaaOffscreen.c
@@ -0,0 +1,160 @@
+/* $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;
+}