xenocara/xserver/fb/fbwindow.c

206 lines
5.7 KiB
C

/*
* Copyright © 1998 Keith Packard
*
* 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <stdlib.h>
#include "fb.h"
Bool
fbCreateWindow(WindowPtr pWin)
{
dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(pWin),
fbGetScreenPixmap(pWin->drawable.pScreen));
if (pWin->drawable.bitsPerPixel == 32 && pWin->drawable.depth <= 24)
pWin->drawable.bitsPerPixel =
fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
return TRUE;
}
Bool
fbDestroyWindow(WindowPtr pWin)
{
return TRUE;
}
Bool
fbRealizeWindow(WindowPtr pWindow)
{
return TRUE;
}
Bool
fbPositionWindow(WindowPtr pWin, int x, int y)
{
return TRUE;
}
Bool
fbUnrealizeWindow(WindowPtr pWindow)
{
return TRUE;
}
void
fbCopyWindowProc(DrawablePtr pSrcDrawable,
DrawablePtr pDstDrawable,
GCPtr pGC,
BoxPtr pbox,
int nbox,
int dx,
int dy,
Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
{
FbBits *src;
FbStride srcStride;
int srcBpp;
int srcXoff, srcYoff;
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
fbGetDrawable(pSrcDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
fbGetDrawable(pDstDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
while (nbox--) {
fbBlt(src + (pbox->y1 + dy + srcYoff) * srcStride,
srcStride,
(pbox->x1 + dx + srcXoff) * srcBpp,
dst + (pbox->y1 + dstYoff) * dstStride,
dstStride,
(pbox->x1 + dstXoff) * dstBpp,
(pbox->x2 - pbox->x1) * dstBpp,
(pbox->y2 - pbox->y1),
GXcopy, FB_ALLONES, dstBpp, reverse, upsidedown);
pbox++;
}
fbFinishAccess(pDstDrawable);
fbFinishAccess(pSrcDrawable);
}
void
fbCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = fbGetWindowPixmap(pWin);
DrawablePtr pDrawable = &pPixmap->drawable;
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
RegionTranslate(prgnSrc, -dx, -dy);
RegionNull(&rgnDst);
RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
RegionTranslate(&rgnDst, -pPixmap->screen_x, -pPixmap->screen_y);
#endif
miCopyRegion(pDrawable, pDrawable,
0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
RegionUninit(&rgnDst);
fbValidateDrawable(&pWin->drawable);
}
static void
fbFixupWindowPixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap)
{
PixmapPtr pPixmap = *ppPixmap;
if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
pPixmap = fb24_32ReformatTile(pPixmap, pDrawable->bitsPerPixel);
if (!pPixmap)
return;
(*pDrawable->pScreen->DestroyPixmap) (*ppPixmap);
*ppPixmap = pPixmap;
}
if (FbEvenTile(pPixmap->drawable.width * pPixmap->drawable.bitsPerPixel))
fbPadPixmap(pPixmap);
}
Bool
fbChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
{
if (mask & CWBackPixmap) {
if (pWin->backgroundState == BackgroundPixmap)
fbFixupWindowPixmap(&pWin->drawable, &pWin->background.pixmap);
}
if (mask & CWBorderPixmap) {
if (pWin->borderIsPixel == FALSE)
fbFixupWindowPixmap(&pWin->drawable, &pWin->border.pixmap);
}
return TRUE;
}
void
fbFillRegionSolid(DrawablePtr pDrawable,
RegionPtr pRegion, FbBits and, FbBits xor)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
int n = RegionNumRects(pRegion);
BoxPtr pbox = RegionRects(pRegion);
#ifndef FB_ACCESS_WRAPPER
int try_mmx = 0;
if (!and)
try_mmx = 1;
#endif
fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
while (n--) {
#ifndef FB_ACCESS_WRAPPER
if (!try_mmx || !pixman_fill((uint32_t *) dst, dstStride, dstBpp,
pbox->x1 + dstXoff, pbox->y1 + dstYoff,
(pbox->x2 - pbox->x1),
(pbox->y2 - pbox->y1), xor)) {
#endif
fbSolid(dst + (pbox->y1 + dstYoff) * dstStride,
dstStride,
(pbox->x1 + dstXoff) * dstBpp,
dstBpp,
(pbox->x2 - pbox->x1) * dstBpp,
pbox->y2 - pbox->y1, and, xor);
#ifndef FB_ACCESS_WRAPPER
}
#endif
fbValidateDrawable(pDrawable);
pbox++;
}
fbFinishAccess(pDrawable);
}