306 lines
7.1 KiB
C
306 lines
7.1 KiB
C
/*
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* Id: s3gc.c,v 1.2 1999/11/02 06:16:29 keithp Exp $
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*
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* Copyright 1999 SuSE, Inc.
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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 SuSE not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. SuSE makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Keith Packard, SuSE, Inc.
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*/
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/* $XFree86: xc/programs/Xserver/hw/kdrive/savage/s3gc.c,v 1.3 2000/01/21 01:12:02 dawes Exp $ */
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#include "s3.h"
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#include "s3draw.h"
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#include "Xmd.h"
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#include "gcstruct.h"
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#include "scrnintstr.h"
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#include "pixmapstr.h"
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#include "regionstr.h"
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#include "mistruct.h"
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#include "fontstruct.h"
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#include "dixfontstr.h"
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#include "migc.h"
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/*
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* Common op groups. Common assumptions:
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*
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* lineWidth 0
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* lineStyle LineSolid
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* fillStyle FillSolid
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* rop GXcopy
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* font <= 32 pixels wide
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*/
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/* TE font */
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static const GCOps s3TEOps = {
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s3FillSpans,
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KdCheckSetSpans,
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KdCheckPutImage,
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s3CopyArea,
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s3CopyPlane,
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KdCheckPolyPoint,
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s3Polylines,
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s3PolySegment,
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KdCheckPolyRectangle,
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KdCheckPolyArc,
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s3FillPoly,
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s3PolyFillRect,
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s3PolyFillArcSolid,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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s3ImageTEGlyphBlt,
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s3PolyTEGlyphBlt,
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s3PushPixels
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#ifdef NEED_LINEHELPER
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,NULL
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#endif
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};
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/* Non TE font */
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static const GCOps s3NonTEOps = {
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s3FillSpans,
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KdCheckSetSpans,
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KdCheckPutImage,
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s3CopyArea,
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s3CopyPlane,
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KdCheckPolyPoint,
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s3Polylines,
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s3PolySegment,
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KdCheckPolyRectangle,
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KdCheckPolyArc,
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s3FillPoly,
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s3PolyFillRect,
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s3PolyFillArcSolid,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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s3ImageGlyphBlt,
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s3PolyGlyphBlt,
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s3PushPixels
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#ifdef NEED_LINEHELPER
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,NULL
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#endif
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};
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static GCOps *
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s3MatchCommon (DrawablePtr pDraw, GCPtr pGC, FbGCPrivPtr fbPriv)
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{
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KdScreenPriv (pDraw->pScreen);
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if (!REGION_NOTEMPTY(pDraw->pScreen,fbGetCompositeClip(pGC)))
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{
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DRAW_DEBUG ((DEBUG_CLIP, "Empty composite clip, clipping all ops"));
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return &kdNoopOps;
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}
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if (pDraw->type != DRAWABLE_WINDOW)
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return (GCOps *) &kdAsyncPixmapGCOps;
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if (pGC->lineWidth != 0)
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return 0;
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if (pGC->lineStyle != LineSolid)
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return 0;
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if (pGC->fillStyle != FillSolid)
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return 0;
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if (fbPriv->and != 0)
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return 0;
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if (pGC->font)
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{
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if (TERMINALFONT(pGC->font))
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return (GCOps *) &s3TEOps;
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else
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return (GCOps *) &s3NonTEOps;
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}
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return 0;
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}
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void
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s3ValidateGC (GCPtr pGC, Mask changes, DrawablePtr pDrawable)
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{
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int new_type; /* drawable type has changed */
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int new_origin;
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/* flags for changing the proc vector */
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FbGCPrivPtr fbPriv;
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s3PrivGCPtr s3Priv;
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int oneRect;
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GCOps *newops;
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fbPriv = fbGetGCPrivate(pGC);
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s3Priv = s3GetGCPrivate(pGC);
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new_type = FALSE;
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new_origin = FALSE;
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/*
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* If the type of drawable has changed, fix up accelerated functions
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*/
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if (s3Priv->type != pDrawable->type)
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{
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new_type = TRUE;
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s3Priv->type = pDrawable->type;
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}
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/*
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* Check tile/stipple origin
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*/
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if (pGC->lastWinOrg.x != pDrawable->x || pGC->lastWinOrg.y != pDrawable->y)
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new_origin = TRUE;
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/*
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* Call down to FB to set clip list and rrop values
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*/
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fbValidateGC (pGC, changes, pDrawable);
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/*
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* Check accelerated pattern if necessary
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*/
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if (changes & (GCFillStyle|GCStipple|GCTile))
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s3CheckGCFill (pGC);
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else if (s3Priv->pPattern &&
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(new_origin || changes & (GCTileStipXOrigin|GCTileStipYOrigin)))
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s3MoveGCFill (pGC);
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/*
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* Try to match common vector
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*/
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if (newops = s3MatchCommon (pDrawable, pGC, fbPriv))
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{
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if (pGC->ops->devPrivate.val)
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miDestroyGCOps (pGC->ops);
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pGC->ops = newops;
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return;
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}
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/*
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* No common vector matched, create private ops vector and
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* fill it in
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*/
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if (!pGC->ops->devPrivate.val)
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{
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/*
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* Switch from noop vector by first switching to fb
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* vector and fixing it up
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*/
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if (pGC->ops == &kdNoopOps)
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{
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pGC->ops = (GCOps *) &kdAsyncPixmapGCOps;
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new_type = TRUE;
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}
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pGC->ops = miCreateGCOps (pGC->ops);
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pGC->ops->devPrivate.val = 1;
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}
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/*
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* Fills
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*/
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if (new_type || (changes & (GCFillStyle|GCTile|GCStipple)))
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{
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pGC->ops->FillSpans = KdCheckFillSpans;
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pGC->ops->PolyFillRect = KdCheckPolyFillRect;
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if (s3Priv->type == DRAWABLE_WINDOW &&
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(pGC->fillStyle != FillTiled || s3Priv->pPattern))
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{
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pGC->ops->FillSpans = s3FillSpans;
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pGC->ops->PolyFillRect = s3PolyFillRect;
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}
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}
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/*
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* Blt
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*/
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if (new_type)
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{
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pGC->ops->CopyArea = s3CopyArea;
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pGC->ops->CopyPlane = s3CopyPlane;
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pGC->ops->PushPixels = s3PushPixels;
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}
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/*
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* Lines
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*/
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if (new_type || (changes & (GCLineStyle|GCLineWidth|GCFillStyle)))
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{
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pGC->ops->Polylines = KdCheckPolylines;
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pGC->ops->PolySegment = KdCheckPolySegment;
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if (pGC->lineStyle == LineSolid &&
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pGC->lineWidth == 0 &&
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pGC->fillStyle == FillSolid &&
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s3Priv->type == DRAWABLE_WINDOW)
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{
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pGC->ops->Polylines = s3Polylines;
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pGC->ops->PolySegment = s3PolySegment;
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}
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}
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/*
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* Polygons
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*/
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if (new_type || (changes & (GCFillStyle)))
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{
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pGC->ops->FillPolygon = KdCheckFillPolygon;
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if (s3Priv->type == DRAWABLE_WINDOW &&
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pGC->fillStyle == FillSolid)
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{
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pGC->ops->FillPolygon = s3FillPoly;
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}
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}
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/*
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* Filled arcs
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*/
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if (new_type || (changes & GCFillStyle))
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{
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pGC->ops->PolyFillArc = KdCheckPolyFillArc;
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if (s3Priv->type == DRAWABLE_WINDOW &&
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pGC->fillStyle == FillSolid)
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{
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pGC->ops->PolyFillArc = s3PolyFillArcSolid;
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}
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}
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/*
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* Text
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*/
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if (new_type || (changes & (GCFont|GCFillStyle)))
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{
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pGC->ops->PolyGlyphBlt = KdCheckPolyGlyphBlt;
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pGC->ops->ImageGlyphBlt = KdCheckImageGlyphBlt;
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if (s3Priv->type == DRAWABLE_WINDOW && pGC->font)
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{
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if (pGC->fillStyle == FillSolid)
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{
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if (TERMINALFONT(pGC->font))
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pGC->ops->PolyGlyphBlt = s3PolyTEGlyphBlt;
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else
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pGC->ops->PolyGlyphBlt = s3PolyGlyphBlt;
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}
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if (TERMINALFONT(pGC->font))
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pGC->ops->ImageGlyphBlt = s3ImageTEGlyphBlt;
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else
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pGC->ops->ImageGlyphBlt = s3ImageGlyphBlt;
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}
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}
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}
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