void
uxa_check_composite(CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc, INT16 ySrc,
INT16 xMask, INT16 yMask,
INT16 xDst, INT16 yDst,
CARD16 width, CARD16 height)
{
ScreenPtr screen = pDst->pDrawable->pScreen;
UXA_FALLBACK(("from picts %p/%p to pict %p\n", pSrc, pMask, pDst));
if (uxa_picture_prepare_access(pDst, UXA_ACCESS_RW)) {
if (uxa_picture_prepare_access(pSrc, UXA_ACCESS_RO)) {
if (!pMask || uxa_picture_prepare_access(pMask, UXA_ACCESS_RO)) {
fbComposite(op, pSrc, pMask, pDst,
xSrc, ySrc,
xMask, yMask,
xDst, yDst,
width, height);
if (pMask)
uxa_picture_finish_access(pMask, UXA_ACCESS_RO);
}
uxa_picture_finish_access(pSrc, UXA_ACCESS_RO);
}
uxa_picture_finish_access(pDst, UXA_ACCESS_RW);
}
}
void
uxa_check_add_traps(PicturePtr pPicture,
INT16 x_off, INT16 y_off, int ntrap, xTrap * traps)
{
ScreenPtr screen = pPicture->pDrawable->pScreen;
UXA_FALLBACK(("to pict %p (%c)\n", pPicture,
uxa_drawable_location(pPicture->pDrawable)));
if (uxa_picture_prepare_access(pPicture, UXA_ACCESS_RW)) {
fbAddTraps(pPicture, x_off, y_off, ntrap, traps);
uxa_picture_finish_access(pPicture, UXA_ACCESS_RW);
}
}
void
uxa_glyphs(CARD8 op,
PicturePtr pSrc,
PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc, INT16 ySrc,
int nlist, GlyphListPtr list, GlyphPtr * glyphs)
{
ScreenPtr screen = pDst->pDrawable->pScreen;
uxa_screen_t *uxa_screen = uxa_get_screen(screen);
if (uxa_screen->info->flags & UXA_USE_GLAMOR) {
int ok;
uxa_picture_prepare_access(pDst, UXA_GLAMOR_ACCESS_RW);
uxa_picture_prepare_access(pSrc, UXA_GLAMOR_ACCESS_RO);
ok = glamor_glyphs_nf(op,
pSrc, pDst, maskFormat,
xSrc, ySrc, nlist, list, glyphs);
uxa_picture_finish_access(pSrc, UXA_GLAMOR_ACCESS_RO);
uxa_picture_finish_access(pDst, UXA_GLAMOR_ACCESS_RW);
if (!ok)
goto fallback;
return;
}
if (!uxa_screen->info->prepare_composite ||
uxa_screen->force_fallback ||
!uxa_drawable_is_offscreen(pDst->pDrawable) ||
pDst->alphaMap || pSrc->alphaMap ||
/* XXX we fail to handle (rare) non-solid sources correctly. */
!is_solid(pSrc)) {
fallback:
uxa_check_glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
return;
}
/* basic sanity check */
if (uxa_screen->info->check_composite &&
!uxa_screen->info->check_composite(op, pSrc, NULL, pDst, 0, 0)) {
goto fallback;
}
ValidatePicture(pSrc);
ValidatePicture(pDst);
if (!maskFormat) {
/* If we don't have a mask format but all the glyphs have the same format,
* require ComponentAlpha and don't intersect, use the glyph format as mask
* format for the full benefits of the glyph cache.
*/
if (NeedsComponent(list[0].format->format)) {
Bool sameFormat = TRUE;
int i;
maskFormat = list[0].format;
for (i = 0; i < nlist; i++) {
if (maskFormat->format != list[i].format->format) {
sameFormat = FALSE;
break;
}
}
if (!sameFormat ||
uxa_glyphs_intersect(nlist, list, glyphs))
maskFormat = NULL;
}
}
if (!maskFormat) {
if (uxa_glyphs_to_dst(op, pSrc, pDst,
xSrc, ySrc,
nlist, list, glyphs))
goto fallback;
} else {
if (uxa_glyphs_via_mask(op,
pSrc, pDst, maskFormat,
xSrc, ySrc,
nlist, list, glyphs))
goto fallback;
}
}
