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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/exa/exa_unaccel.c
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/exa/exa_unaccel.c')
-rw-r--r--xorg-server/exa/exa_unaccel.c425
1 files changed, 425 insertions, 0 deletions
diff --git a/xorg-server/exa/exa_unaccel.c b/xorg-server/exa/exa_unaccel.c
new file mode 100644
index 000000000..d7bd06cb2
--- /dev/null
+++ b/xorg-server/exa/exa_unaccel.c
@@ -0,0 +1,425 @@
+/*
+ *
+ * Copyright © 1999 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.
+ */
+
+#include "exa_priv.h"
+
+#ifdef RENDER
+#include "mipict.h"
+#endif
+
+/*
+ * These functions wrap the low-level fb rendering functions and
+ * synchronize framebuffer/accelerated drawing by stalling until
+ * the accelerator is idle
+ */
+
+/**
+ * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the
+ * current fill style.
+ *
+ * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
+ * 1bpp and never in fb, so we don't worry about them.
+ * We should worry about them for completeness sake and going forward.
+ */
+void
+exaPrepareAccessGC(GCPtr pGC)
+{
+ if (pGC->stipple)
+ exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
+ if (pGC->fillStyle == FillTiled)
+ exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
+}
+
+/**
+ * Finishes access to the tile in the GC, if used.
+ */
+void
+exaFinishAccessGC(GCPtr pGC)
+{
+ if (pGC->fillStyle == FillTiled)
+ exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_MASK);
+ if (pGC->stipple)
+ exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_SRC);
+}
+
+#if DEBUG_TRACE_FALL
+char
+exaDrawableLocation(DrawablePtr pDrawable)
+{
+ return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm';
+}
+#endif /* DEBUG_TRACE_FALL */
+
+void
+ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
+ DDXPointPtr ppt, int *pwidth, int fSorted)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbFillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
+ DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ fbSetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
+ int x, int y, int w, int h, int leftPad, int format,
+ char *bits)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ if (exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle,
+ pGC->alu))
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ else
+ ExaDoPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ fbPutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+RegionPtr
+ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty)
+{
+ RegionPtr ret;
+
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
+ exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
+ exaPrepareAccess (pDst, EXA_PREPARE_DEST);
+ exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
+ ret = fbCopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
+ exaFinishAccess (pSrc, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst, EXA_PREPARE_DEST);
+
+ return ret;
+}
+
+RegionPtr
+ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty,
+ unsigned long bitPlane)
+{
+ RegionPtr ret;
+
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
+ exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
+ exaPrepareAccess (pDst, EXA_PREPARE_DEST);
+ exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
+ ret = fbCopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
+ bitPlane);
+ exaFinishAccess (pSrc, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst, EXA_PREPARE_DEST);
+
+ return ret;
+}
+
+void
+ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ fbPolyPoint (pDrawable, pGC, mode, npt, pptInit);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr ppt)
+{
+ EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n",
+ pDrawable, exaDrawableLocation(pDrawable),
+ pGC->lineWidth, mode, npt));
+
+ if (pGC->lineWidth == 0) {
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbPolyLine (pDrawable, pGC, mode, npt, ppt);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ return;
+ }
+ /* fb calls mi functions in the lineWidth != 0 case. */
+ fbPolyLine (pDrawable, pGC, mode, npt, ppt);
+}
+
+void
+ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
+ int nsegInit, xSegment *pSegInit)
+{
+ EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable,
+ exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit));
+ if (pGC->lineWidth == 0) {
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ return;
+ }
+ /* fb calls mi functions in the lineWidth != 0 case. */
+ fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
+}
+
+void
+ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *pArcs)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+
+ /* Disable this as fbPolyArc can call miZeroPolyArc which in turn
+ * can call accelerated functions, that as yet, haven't been notified
+ * with exaFinishAccess().
+ */
+#if 0
+ if (pGC->lineWidth == 0)
+ {
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbPolyArc (pDrawable, pGC, narcs, pArcs);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+ return;
+ }
+#endif
+ miPolyArc (pDrawable, pGC, narcs, pArcs);
+}
+
+void
+ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
+ int nrect, xRectangle *prect)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbPolyFillRect (pDrawable, pGC, nrect, prect);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ EXA_FALLBACK(("to %p (%c)\n", pDrawable,
+ exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
+ exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccessGC (pGC);
+ fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
+ DrawablePtr pDrawable,
+ int w, int h, int x, int y)
+{
+ EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable,
+ exaDrawableLocation(&pBitmap->drawable),
+ exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
+ exaPrepareAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
+ exaPrepareAccessGC (pGC);
+ fbPushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
+ exaFinishAccessGC (pGC);
+ exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
+ exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
+}
+
+void
+ExaCheckGetSpans (DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pdstStart)
+{
+ EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
+ exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
+ fbGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+ exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
+}
+
+void
+ExaCheckComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ RegionRec region;
+ int xoff, yoff;
+
+ REGION_NULL(pScreen, &region);
+
+ if (!exaOpReadsDestination(op)) {
+ if (!miComputeCompositeRegion (&region, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return;
+
+ exaGetDrawableDeltas (pDst->pDrawable,
+ exaGetDrawablePixmap(pDst->pDrawable),
+ &xoff, &yoff);
+
+ REGION_TRANSLATE(pScreen, &region, xoff, yoff);
+
+ exaPrepareAccessReg (pDst->pDrawable, EXA_PREPARE_DEST, &region);
+ } else
+ exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
+
+ EXA_FALLBACK(("from picts %p/%p to pict %p\n",
+ pSrc, pMask, pDst));
+
+ if (pSrc->pDrawable != NULL)
+ exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
+ if (pMask && pMask->pDrawable != NULL)
+ exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK);
+ fbComposite (op,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc,
+ ySrc,
+ xMask,
+ yMask,
+ xDst,
+ yDst,
+ width,
+ height);
+ if (pMask && pMask->pDrawable != NULL)
+ exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
+ if (pSrc->pDrawable != NULL)
+ exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
+ exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
+
+ REGION_UNINIT(pScreen, &region);
+}
+
+void
+ExaCheckAddTraps (PicturePtr pPicture,
+ INT16 x_off,
+ INT16 y_off,
+ int ntrap,
+ xTrap *traps)
+{
+ EXA_FALLBACK(("to pict %p (%c)\n",
+ exaDrawableLocation(pPicture->pDrawable)));
+ exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
+ fbAddTraps (pPicture, x_off, y_off, ntrap, traps);
+ exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
+}
+
+/**
+ * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps
+ * that happen to be 1x1. Pixmap must be at least 8bpp.
+ *
+ * XXX This really belongs in fb, so it can be aware of tiling and etc.
+ */
+CARD32
+exaGetPixmapFirstPixel (PixmapPtr pPixmap)
+{
+ ExaScreenPriv(pPixmap->drawable.pScreen);
+ CARD32 pixel;
+ void *fb;
+ Bool need_finish = FALSE;
+ BoxRec box;
+ RegionRec migration;
+ ExaPixmapPriv (pPixmap);
+ Bool sys_valid = !miPointInRegion(&pExaPixmap->validSys, 0, 0, &box);
+ Bool damaged = miPointInRegion(DamageRegion(pExaPixmap->pDamage), 0, 0,
+ &box);
+ Bool offscreen = exaPixmapIsOffscreen(pPixmap);
+
+ fb = pExaPixmap->sys_ptr;
+
+ /* Try to avoid framebuffer readbacks */
+ if (pExaScr->info->CreatePixmap ||
+ (!offscreen && !sys_valid && !damaged) ||
+ (offscreen && (!sys_valid || damaged)))
+ {
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = 1;
+ box.y2 = 1;
+ REGION_INIT(pScreen, &migration, &box, 1);
+
+ need_finish = TRUE;
+
+ exaPrepareAccessReg(&pPixmap->drawable, EXA_PREPARE_SRC, &migration);
+ fb = pPixmap->devPrivate.ptr;
+ }
+
+ switch (pPixmap->drawable.bitsPerPixel) {
+ case 32:
+ pixel = *(CARD32 *)fb;
+ break;
+ case 16:
+ pixel = *(CARD16 *)fb;
+ break;
+ default:
+ pixel = *(CARD8 *)fb;
+ break;
+ }
+
+ if (need_finish) {
+ exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
+ REGION_UNINIT(pScreen, &migration);
+ }
+
+ return pixel;
+}