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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#include "xgl.h"
#include <mivalidate.h>
#include <dixstruct.h>
typedef struct _xglDepth {
CARD8 depth;
CARD8 bpp;
} xglDepthRec, *xglDepthPtr;
static xglDepthRec xglDepths[] = {
{ 1, 1 },
{ 4, 4 },
{ 8, 8 },
{ 15, 16 },
{ 16, 16 },
{ 24, 32 },
{ 32, 32 }
};
#define NUM_XGL_DEPTHS (sizeof (xglDepths) / sizeof (xglDepths[0]))
void
xglSetPixmapFormats (ScreenInfo *pScreenInfo)
{
int i;
pScreenInfo->imageByteOrder = IMAGE_BYTE_ORDER;
pScreenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
pScreenInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
pScreenInfo->bitmapBitOrder = BITMAP_BIT_ORDER;
pScreenInfo->numPixmapFormats = 0;
for (i = 0; i < NUM_XGL_DEPTHS; i++)
{
PixmapFormatRec *format;
format = &pScreenInfo->formats[pScreenInfo->numPixmapFormats++];
format->depth = xglDepths[i].depth;
format->bitsPerPixel = xglDepths[i].bpp;
format->scanlinePad = BITMAP_SCANLINE_PAD;
}
}
void
xglSetRootClip (ScreenPtr pScreen,
Bool enable)
{
WindowPtr pWin = WindowTable[pScreen->myNum];
WindowPtr pChild;
Bool wasViewable;
Bool anyMarked = FALSE;
RegionPtr pOldClip = 0, bsExposed;
#ifdef DO_SAVE_UNDERS
Bool dosave = FALSE;
#endif
WindowPtr pLayerWin;
BoxRec box;
if (!pWin)
return;
wasViewable = (Bool) (pWin->viewable);
if (wasViewable)
{
for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
{
(void) (*pScreen->MarkOverlappedWindows) (pChild,
pChild,
&pLayerWin);
}
(*pScreen->MarkWindow) (pWin);
anyMarked = TRUE;
if (pWin->valdata)
{
if (HasBorder (pWin))
{
RegionPtr borderVisible;
borderVisible = REGION_CREATE (pScreen, NullBox, 1);
REGION_SUBTRACT (pScreen, borderVisible,
&pWin->borderClip, &pWin->winSize);
pWin->valdata->before.borderVisible = borderVisible;
}
pWin->valdata->before.resized = TRUE;
}
}
if (enable)
{
box.x1 = 0;
box.y1 = 0;
box.x2 = pScreen->width;
box.y2 = pScreen->height;
pWin->drawable.width = pScreen->width;
pWin->drawable.height = pScreen->height;
REGION_INIT (pScreen, &pWin->winSize, &box, 1);
REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
REGION_RESET (pScreen, &pWin->borderClip, &box);
REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
}
else
{
REGION_EMPTY (pScreen, &pWin->borderClip);
REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
}
ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
if (wasViewable)
{
if (pWin->backStorage)
{
pOldClip = REGION_CREATE (pScreen, NullBox, 1);
REGION_COPY (pScreen, pOldClip, &pWin->clipList);
}
if (pWin->firstChild)
{
anyMarked |= (*pScreen->MarkOverlappedWindows) (pWin->firstChild,
pWin->firstChild,
(WindowPtr *) 0);
}
else
{
(*pScreen->MarkWindow) (pWin);
anyMarked = TRUE;
}
#ifdef DO_SAVE_UNDERS
if (DO_SAVE_UNDERS (pWin))
dosave = (*pScreen->ChangeSaveUnder) (pLayerWin, pLayerWin);
#endif
if (anyMarked)
(*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
}
if (pWin->backStorage && ((pWin->backingStore == Always) || wasViewable))
{
if (!wasViewable)
pOldClip = &pWin->clipList; /* a convenient empty region */
bsExposed = (*pScreen->TranslateBackingStore) (pWin, 0, 0, pOldClip,
pWin->drawable.x,
pWin->drawable.y);
if (wasViewable)
REGION_DESTROY(pScreen, pOldClip);
if (bsExposed)
{
RegionPtr valExposed = NullRegion;
if (pWin->valdata)
valExposed = &pWin->valdata->after.exposed;
(*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
if (valExposed)
REGION_EMPTY (pScreen, valExposed);
REGION_DESTROY (pScreen, bsExposed);
}
}
if (wasViewable)
{
if (anyMarked)
(*pScreen->HandleExposures) (pWin);
#ifdef DO_SAVE_UNDERS
if (dosave)
(*pScreen->PostChangeSaveUnder) (pLayerWin, pLayerWin);
#endif
if (anyMarked && pScreen->PostValidateTree)
(*pScreen->PostValidateTree) (pWin, NullWindow, VTOther);
}
if (pWin->realized)
WindowsRestructured ();
}
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