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; } }