07f2f0a5ae
A recent kernel with kernel modesetting support is required. Thanks to jsg@ and kettenis@ for their work.
455 lines
12 KiB
C
455 lines
12 KiB
C
/*
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*
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* Copyright © 1999 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "uxa-priv.h"
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#ifdef RENDER
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#include "mipict.h"
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#endif
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/*
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* These functions wrap the low-level fb rendering functions and
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* synchronize framebuffer/accelerated drawing by stalling until
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* the accelerator is idle
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*/
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/**
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* Calls uxa_prepare_access with UXA_PREPARE_SRC for the tile, if that is the
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* current fill style.
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*
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* Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
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* 1bpp and never in fb, so we don't worry about them.
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* We should worry about them for completeness sake and going forward.
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*/
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Bool uxa_prepare_access_gc(GCPtr pGC)
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{
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if (pGC->stipple)
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if (!uxa_prepare_access(&pGC->stipple->drawable, UXA_ACCESS_RO))
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return FALSE;
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if (pGC->fillStyle == FillTiled)
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if (!uxa_prepare_access
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(&pGC->tile.pixmap->drawable, UXA_ACCESS_RO)) {
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if (pGC->stipple)
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uxa_finish_access(&pGC->stipple->drawable, UXA_ACCESS_RO);
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Finishes access to the tile in the GC, if used.
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*/
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void uxa_finish_access_gc(GCPtr pGC)
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{
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if (pGC->fillStyle == FillTiled)
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uxa_finish_access(&pGC->tile.pixmap->drawable, UXA_ACCESS_RO);
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if (pGC->stipple)
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uxa_finish_access(&pGC->stipple->drawable, UXA_ACCESS_RO);
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}
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Bool uxa_picture_prepare_access(PicturePtr picture, int mode)
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{
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if (picture->pDrawable == NULL)
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return TRUE;
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if (!uxa_prepare_access(picture->pDrawable, mode))
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return FALSE;
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if (picture->alphaMap &&
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!uxa_prepare_access(picture->alphaMap->pDrawable, mode)) {
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uxa_finish_access(picture->pDrawable, mode);
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return FALSE;
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}
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return TRUE;
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}
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void uxa_picture_finish_access(PicturePtr picture, int mode)
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{
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if (picture->pDrawable == NULL)
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return;
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uxa_finish_access(picture->pDrawable, mode);
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if (picture->alphaMap)
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uxa_finish_access(picture->alphaMap->pDrawable, mode);
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}
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char uxa_drawable_location(DrawablePtr pDrawable)
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{
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return uxa_drawable_is_offscreen(pDrawable) ? 's' : 'm';
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}
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void
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uxa_check_fill_spans(DrawablePtr pDrawable, GCPtr pGC, int nspans,
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DDXPointPtr ppt, int *pwidth, int fSorted)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbFillSpans(pDrawable, pGC, nspans, ppt, pwidth,
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fSorted);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_set_spans(DrawablePtr pDrawable, GCPtr pGC, char *psrc,
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DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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fbSetSpans(pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_put_image(DrawablePtr pDrawable, GCPtr pGC, int depth,
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int x, int y, int w, int h, int leftPad, int format,
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char *bits)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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fbPutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format,
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bits);
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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RegionPtr
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uxa_check_copy_area(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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int srcx, int srcy, int w, int h, int dstx, int dsty)
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{
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ScreenPtr screen = pSrc->pScreen;
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RegionPtr ret = NULL;
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UXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
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uxa_drawable_location(pSrc),
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uxa_drawable_location(pDst)));
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if (uxa_prepare_access(pDst, UXA_ACCESS_RW)) {
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if (uxa_prepare_access(pSrc, UXA_ACCESS_RO)) {
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ret =
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fbCopyArea(pSrc, pDst, pGC, srcx, srcy, w, h, dstx,
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dsty);
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uxa_finish_access(pSrc, UXA_ACCESS_RO);
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}
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uxa_finish_access(pDst, UXA_ACCESS_RW);
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}
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return ret;
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}
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RegionPtr
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uxa_check_copy_plane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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int srcx, int srcy, int w, int h, int dstx, int dsty,
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unsigned long bitPlane)
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{
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ScreenPtr screen = pSrc->pScreen;
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RegionPtr ret = NULL;
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UXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
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uxa_drawable_location(pSrc),
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uxa_drawable_location(pDst)));
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if (uxa_prepare_access(pDst, UXA_ACCESS_RW)) {
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if (uxa_prepare_access(pSrc, UXA_ACCESS_RO)) {
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ret =
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fbCopyPlane(pSrc, pDst, pGC, srcx, srcy, w, h, dstx,
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dsty, bitPlane);
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uxa_finish_access(pSrc, UXA_ACCESS_RO);
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}
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uxa_finish_access(pDst, UXA_ACCESS_RW);
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}
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return ret;
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}
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void
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uxa_check_poly_point(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
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DDXPointPtr pptInit)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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fbPolyPoint(pDrawable, pGC, mode, npt, pptInit);
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_poly_lines(DrawablePtr pDrawable, GCPtr pGC,
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int mode, int npt, DDXPointPtr ppt)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n",
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pDrawable, uxa_drawable_location(pDrawable),
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pGC->lineWidth, mode, npt));
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if (pGC->lineWidth == 0) {
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbPolyLine(pDrawable, pGC, mode, npt, ppt);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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return;
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}
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/* fb calls mi functions in the lineWidth != 0 case. */
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fbPolyLine(pDrawable, pGC, mode, npt, ppt);
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}
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void
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uxa_check_poly_segment(DrawablePtr pDrawable, GCPtr pGC,
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int nsegInit, xSegment * pSegInit)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable,
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uxa_drawable_location(pDrawable), pGC->lineWidth,
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nsegInit));
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if (pGC->lineWidth == 0) {
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbPolySegment(pDrawable, pGC, nsegInit,
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pSegInit);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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return;
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}
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/* fb calls mi functions in the lineWidth != 0 case. */
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fbPolySegment(pDrawable, pGC, nsegInit, pSegInit);
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}
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void
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uxa_check_poly_arc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * pArcs)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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/* Disable this as fbPolyArc can call miZeroPolyArc which in turn
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* can call accelerated functions, that as yet, haven't been notified
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* with uxa_finish_access().
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*/
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#if 0
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if (pGC->lineWidth == 0) {
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbPolyArc(pDrawable, pGC, narcs, pArcs);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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return;
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}
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#endif
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miPolyArc(pDrawable, pGC, narcs, pArcs);
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}
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void
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uxa_check_poly_fill_rect(DrawablePtr pDrawable, GCPtr pGC,
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int nrect, xRectangle * prect)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbPolyFillRect(pDrawable, pGC, nrect, prect);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_image_glyph_blt(DrawablePtr pDrawable, GCPtr pGC,
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int x, int y, unsigned int nglyph,
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CharInfoPtr * ppci, pointer pglyphBase)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci,
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pglyphBase);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_poly_glyph_blt(DrawablePtr pDrawable, GCPtr pGC,
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int x, int y, unsigned int nglyph,
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CharInfoPtr * ppci, pointer pglyphBase)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
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uxa_drawable_location(pDrawable), pGC->fillStyle,
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pGC->alu));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbPolyGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci,
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pglyphBase);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_push_pixels(GCPtr pGC, PixmapPtr pBitmap,
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DrawablePtr pDrawable, int w, int h, int x, int y)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable,
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uxa_drawable_location(&pBitmap->drawable),
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RW)) {
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if (uxa_prepare_access(&pBitmap->drawable, UXA_ACCESS_RO)) {
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if (uxa_prepare_access_gc(pGC)) {
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fbPushPixels(pGC, pBitmap, pDrawable, w, h, x,
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y);
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uxa_finish_access_gc(pGC);
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}
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uxa_finish_access(&pBitmap->drawable, UXA_ACCESS_RO);
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}
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uxa_finish_access(pDrawable, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_get_spans(DrawablePtr pDrawable,
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int wMax,
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DDXPointPtr ppt, int *pwidth, int nspans, char *pdstStart)
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{
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ScreenPtr screen = pDrawable->pScreen;
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UXA_FALLBACK(("from %p (%c)\n", pDrawable,
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uxa_drawable_location(pDrawable)));
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if (uxa_prepare_access(pDrawable, UXA_ACCESS_RO)) {
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fbGetSpans(pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
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uxa_finish_access(pDrawable, UXA_ACCESS_RO);
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}
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}
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void
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uxa_check_composite(CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc, INT16 ySrc,
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INT16 xMask, INT16 yMask,
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INT16 xDst, INT16 yDst,
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CARD16 width, CARD16 height)
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{
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ScreenPtr screen = pDst->pDrawable->pScreen;
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UXA_FALLBACK(("from picts %p/%p to pict %p\n", pSrc, pMask, pDst));
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if (uxa_picture_prepare_access(pDst, UXA_ACCESS_RW)) {
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if (uxa_picture_prepare_access(pSrc, UXA_ACCESS_RO)) {
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if (!pMask || uxa_picture_prepare_access(pMask, UXA_ACCESS_RO)) {
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fbComposite(op, pSrc, pMask, pDst,
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xSrc, ySrc,
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xMask, yMask,
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xDst, yDst,
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width, height);
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if (pMask)
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uxa_picture_finish_access(pMask, UXA_ACCESS_RO);
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}
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uxa_picture_finish_access(pSrc, UXA_ACCESS_RO);
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}
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uxa_picture_finish_access(pDst, UXA_ACCESS_RW);
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}
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}
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void
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uxa_check_add_traps(PicturePtr pPicture,
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INT16 x_off, INT16 y_off, int ntrap, xTrap * traps)
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{
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ScreenPtr screen = pPicture->pDrawable->pScreen;
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UXA_FALLBACK(("to pict %p (%c)\n", pPicture,
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uxa_drawable_location(pPicture->pDrawable)));
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if (uxa_picture_prepare_access(pPicture, UXA_ACCESS_RW)) {
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fbAddTraps(pPicture, x_off, y_off, ntrap, traps);
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uxa_picture_finish_access(pPicture, UXA_ACCESS_RW);
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}
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}
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/**
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* Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps
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* that happen to be 1x1. Pixmap must be at least 8bpp.
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*
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* XXX This really belongs in fb, so it can be aware of tiling and etc.
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*/
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CARD32 uxa_get_pixmap_first_pixel(PixmapPtr pPixmap)
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{
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CARD32 pixel;
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void *fb;
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if (!uxa_prepare_access(&pPixmap->drawable, UXA_ACCESS_RO))
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return 0;
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fb = pPixmap->devPrivate.ptr;
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switch (pPixmap->drawable.bitsPerPixel) {
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case 32:
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pixel = *(CARD32 *) fb;
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break;
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case 16:
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pixel = *(CARD16 *) fb;
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break;
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default:
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pixel = *(CARD8 *) fb;
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break;
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}
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uxa_finish_access(&pPixmap->drawable, UXA_ACCESS_RO);
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return pixel;
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}
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