xenocara/xserver/hw/kdrive/savage/s3gc.c

300 lines
6.9 KiB
C

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