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-rw-r--r--hw/kdrive/src/kasync.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/hw/kdrive/src/kasync.c b/hw/kdrive/src/kasync.c
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+++ b/hw/kdrive/src/kasync.c
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+/*
+ * $Id$
+ *
+ * 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 "kdrive.h"
+
+/*
+ * These functions wrap the low-level fb rendering functions and
+ * synchronize framebuffer/accelerated drawing by stalling until
+ * the accelerator is idle
+ */
+
+void
+KdCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
+ DDXPointPtr ppt, int *pwidth, int fSorted)
+{
+ KdCheckSync (pDrawable->pScreen);
+ fbFillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
+}
+
+void
+KdCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
+ DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
+{
+ KdCheckSync (pDrawable->pScreen);
+ fbSetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
+}
+
+void
+KdCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
+ int x, int y, int w, int h, int leftPad, int format,
+ char *bits)
+{
+ KdCheckSync (pDrawable->pScreen);
+ fbPutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
+}
+
+RegionPtr
+KdCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty)
+{
+ KdCheckSync (pSrc->pScreen);
+ return fbCopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
+}
+
+RegionPtr
+KdCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty,
+ unsigned long bitPlane)
+{
+ KdCheckSync (pSrc->pScreen);
+ return fbCopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
+ bitPlane);
+}
+
+void
+KdCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit)
+{
+ KdCheckSync (pDrawable->pScreen);
+ fbPolyPoint (pDrawable, pGC, mode, npt, pptInit);
+}
+
+void
+KdCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr ppt)
+{
+
+ if (pGC->lineWidth == 0)
+ {
+ KdCheckSync (pDrawable->pScreen);
+ fbZeroLine (pDrawable, pGC, mode, npt, ppt);
+ }
+ else
+ {
+ if (pGC->lineStyle != LineSolid)
+ miWideDash (pDrawable, pGC, mode, npt, ppt);
+ else
+ miWideLine (pDrawable, pGC, mode, npt, ppt);
+ }
+}
+
+#if 0
+void
+KdCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
+ int nsegInit, xSegment *pSegInit)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
+}
+
+void
+KdCheckPolyRectangle (DrawablePtr pDrawable, GCPtr pGC,
+ int nrects, xRectangle *prect)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbPolyRectangle (pDrawable, pGC, nrects, prect);
+}
+#endif
+
+void
+KdCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *pArcs)
+{
+ if (pGC->lineWidth == 0)
+ {
+ KdCheckSync(pDrawable->pScreen);
+ fbPolyArc (pDrawable, pGC, narcs, pArcs);
+ }
+ else
+ miPolyArc (pDrawable, pGC, narcs, pArcs);
+}
+
+#if 0
+void
+KdCheckFillPolygon (DrawablePtr pDrawable, GCPtr pGC,
+ int shape, int mode, int count, DDXPointPtr pPts)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbFillPolygon (pDrawable, pGC, mode, count, pPts);
+}
+#endif
+
+void
+KdCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
+ int nrect, xRectangle *prect)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbPolyFillRect (pDrawable, pGC, nrect, prect);
+}
+
+#if 0
+void
+KdCheckPolyFillArc (DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *pArcs)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbPolyFillArc (pDrawable, pGC, narcs, pArcs);
+}
+#endif
+
+void
+KdCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
+}
+
+void
+KdCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
+}
+
+void
+KdCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
+ DrawablePtr pDrawable,
+ int w, int h, int x, int y)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbPushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
+}
+
+void
+KdCheckGetImage (DrawablePtr pDrawable,
+ int x, int y, int w, int h,
+ unsigned int format, unsigned long planeMask,
+ char *d)
+{
+ KdCheckSync(pDrawable->pScreen);
+ fbGetImage (pDrawable, x, y, w, h, format, planeMask, d);
+}
+
+void
+KdCheckGetSpans (DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pdstStart)
+{
+ if (pDrawable->type != DRAWABLE_PIXMAP)
+ KdCheckSync(pDrawable->pScreen);
+ fbGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
+}
+
+void
+KdCheckSaveAreas (PixmapPtr pPixmap,
+ RegionPtr prgnSave,
+ int xorg,
+ int yorg,
+ WindowPtr pWin)
+{
+ KdCheckSync(pWin->drawable.pScreen);
+ fbSaveAreas (pPixmap, prgnSave, xorg, yorg, pWin);
+}
+
+void
+KdCheckRestoreAreas (PixmapPtr pPixmap,
+ RegionPtr prgnSave,
+ int xorg,
+ int yorg,
+ WindowPtr pWin)
+{
+ KdCheckSync(pWin->drawable.pScreen);
+ fbRestoreAreas (pPixmap, prgnSave, xorg, yorg, pWin);
+}
+
+void
+KdCheckPaintWindow (WindowPtr pWin, RegionPtr pRegion, int what)
+{
+ KdCheckSync (pWin->drawable.pScreen);
+ fbPaintWindow (pWin, pRegion, what);
+}
+
+void
+KdCheckCopyWindow (WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ KdCheckSync (pWin->drawable.pScreen);
+ fbCopyWindow (pWin, ptOldOrg, prgnSrc);
+}
+
+void
+KdScreenInitAsync (ScreenPtr pScreen)
+{
+ KdScreenPriv(pScreen);
+ pScreen->GetImage = KdCheckGetImage;
+ pScreen->GetSpans = KdCheckGetSpans;
+ pScreen->PaintWindowBackground = KdCheckPaintWindow;
+ pScreen->PaintWindowBorder = KdCheckPaintWindow;
+ pScreen->CopyWindow = KdCheckCopyWindow;
+
+#ifndef FB_OLD_SCREEN
+ pScreen->BackingStoreFuncs.SaveAreas = KdCheckSaveAreas;
+ pScreen->BackingStoreFuncs.RestoreAreas = KdCheckRestoreAreas;
+#else
+ pScreenPriv->BackingStoreFuncs.SaveAreas = KdCheckSaveAreas;
+ pScreenPriv->BackingStoreFuncs.RestoreAreas = KdCheckRestoreAreas;
+#endif
+}
+
+/*
+ * Only need to stall for copyarea/copyplane
+ */
+const GCOps kdAsyncPixmapGCOps = {
+ fbFillSpans,
+ fbSetSpans,
+ fbPutImage,
+ KdCheckCopyArea,
+ KdCheckCopyPlane,
+ fbPolyPoint,
+ fbPolyLine,
+ miPolySegment,
+ miPolyRectangle,
+ fbPolyArc,
+ miFillPolygon,
+ fbPolyFillRect,
+ miPolyFillArc,
+ miPolyText8,
+ miPolyText16,
+ miImageText8,
+ miImageText16,
+ fbImageGlyphBlt,
+ fbPolyGlyphBlt,
+ fbPushPixels
+#ifdef NEED_LINEHELPER
+ ,NULL
+#endif
+};
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