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/*
* Acceleration for the Creator and Creator3D framebuffer - Non-filled rects.
*
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
* Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* DAVID MILLER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_rect.c,v 1.2 2000/05/23 04:47:45 dawes Exp $ */
#define PSZ 32
#include "ffb.h"
#include "ffb_regs.h"
#include "ffb_rcache.h"
#include "ffb_fifo.h"
#include "ffb_loops.h"
#include "ffb_clip.h"
#include "pixmapstr.h"
#include "scrnintstr.h"
#include "cfb.h"
#error If we start using this again, need to fixup FFB_WRITE_ATTRIBUTES for wids -DaveM
/* Heavily derived from mipolyrect.c code, see there for authors. */
/* This about it, capping makes not a single difference ever,
* always the upper left corner coordinate will be pixelated.
*/
void
CreatorPolyRectangle(DrawablePtr pDrawable, GCPtr pGC,
int nrects, xRectangle *pRects)
{
FFBPtr pFfb = GET_FFB_FROM_SCREEN (pDrawable->pScreen);
CreatorPrivGCPtr gcPriv = CreatorGetGCPrivate (pGC);
ffb_fbcPtr ffb = pFfb->regs;
xRectangle *pR = pRects;
RegionPtr clip;
unsigned int ppc, line_drawop;
int bound_tmp, i, numRects;
if(nrects <= 0)
return;
clip = ((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip;
numRects = REGION_NUM_RECTS(clip);
if (!numRects)
return;
if(!(ppc = FFBSetClip(pFfb, ffb, clip, numRects))) {
miPolyRectangle(pDrawable, pGC, nrects, pRects);
return;
}
if(pGC->lineStyle == LineDoubleDash)
line_drawop = FFB_DRAWOP_DDLINE;
else
line_drawop = FFB_DRAWOP_BRLINECAP;
if(gcPriv->stipple == NULL) {
FFB_WRITE_ATTRIBUTES(pFfb,
ppc|FFB_PPC_APE_DISABLE|FFB_PPC_TBE_OPAQUE|
FFB_PPC_XS_CONST|FFB_PPC_YS_CONST|FFB_PPC_ZS_CONST|FFB_PPC_CS_CONST,
FFB_PPC_VCE_MASK|FFB_PPC_ACE_MASK|FFB_PPC_APE_MASK|FFB_PPC_TBE_MASK|
FFB_PPC_XS_MASK|FFB_PPC_YS_MASK|FFB_PPC_ZS_MASK|FFB_PPC_CS_MASK,
pGC->planemask,
FFB_ROP_EDIT_BIT|pGC->alu,
-1, pGC->fgPixel,
FFB_FBC_DEFAULT);
if(pGC->lineStyle == LineDoubleDash)
FFB_WRITE_BG(pFfb, ffb, pGC->bgPixel);
} else {
FFBSetStipple(pFfb, ffb, gcPriv->stipple,
ppc|
FFB_PPC_XS_CONST|FFB_PPC_YS_CONST|FFB_PPC_ZS_CONST|FFB_PPC_CS_CONST,
FFB_PPC_VCE_MASK|FFB_PPC_ACE_MASK|
FFB_PPC_XS_MASK|FFB_PPC_YS_MASK|FFB_PPC_ZS_MASK|FFB_PPC_CS_MASK);
FFB_WRITE_PMASK(pFfb, ffb, pGC->planemask);
FFB_WRITE_FBC(pFfb, ffb, FFB_FBC_DEFAULT);
}
#define MINBOUND(dst,eqn) bound_tmp = eqn; \
if (bound_tmp < -32768) \
bound_tmp = -32768; \
dst = bound_tmp;
#define MAXBOUND(dst,eqn) bound_tmp = eqn; \
if (bound_tmp > 32767) \
bound_tmp = 32767; \
dst = bound_tmp;
#define MAXUBOUND(dst,eqn) bound_tmp = eqn; \
if (bound_tmp > 65535) \
bound_tmp = 65535; \
dst = bound_tmp;
if (pGC->lineStyle == LineSolid &&
pGC->joinStyle == JoinMiter &&
pGC->lineWidth != 0) {
int ntmp;
int offset1, offset2, offset3;
int x, y, width, height;
int tx, ty, tw, th;
ntmp = (nrects << 2);
offset2 = pGC->lineWidth;
offset1 = offset2 >> 1;
offset3 = offset2 - offset1;
for (i = 0; i < nrects; i++) {
x = pR->x;
y = pR->y;
width = pR->width;
height = pR->height;
pR++;
if (width == 0 && height == 0) {
FFB_WRITE_DRAWOP(pFfb, ffb, FFB_DRAWOP_DOT);
FFBFifo(pFfb, 2);
FFB_WRITE64(&ffb->bh, y + pDrawable->y, x + pDrawable->x);
continue;
}
FFB_WRITE_DRAWOP(pFfb, ffb, FFB_DRAWOP_RECTANGLE);
if (height < offset2 || width < offset1) {
if (height == 0) {
tx = x;
tw = width;
} else {
MINBOUND (tx, x - offset1);
MAXUBOUND (tw, width + offset2);
}
if (width == 0) {
ty = y;
th = height;
} else {
MINBOUND (ty, y - offset1);
MAXUBOUND (th, height + offset2);
}
FFBFifo(pFfb, 4);
FFB_WRITE64(&ffb->by, ty + pDrawable->y, tx + pDrawable->x);
FFB_WRITE64_2(&ffb->bh, th, tw);
} else {
MINBOUND(tx, x - offset1);
MINBOUND(ty, y - offset1);
MAXUBOUND(tw, width + offset2);
th = offset2;
FFBFifo(pFfb, 13);
FFB_WRITE64(&ffb->by, ty + pDrawable->y, tx + pDrawable->x);
FFB_WRITE64_2(&ffb->bh, th, tw);
MAXBOUND(ty, y + offset3);
tw = offset2;
th = height - offset2;
ffb->by = ty + pDrawable->y;
FFB_WRITE64_2(&ffb->bh, th, tw);
MAXBOUND(tx, x + width - offset1);
ffb->bx = tx + pDrawable->x;
ffb->bw = tw;
MINBOUND(tx, x - offset1);
MAXBOUND(ty, y + height - offset1);
MAXUBOUND(tw, width + offset2);
th = offset2;
FFB_WRITE64(&ffb->by, ty + pDrawable->y, tx + pDrawable->x);
FFB_WRITE64_2(&ffb->bh, th, tw);
}
}
} else {
int xOrg = pDrawable->x;
int yOrg = pDrawable->y;
unsigned int linepat = gcPriv->linepat;
FFB_WRITE_DRAWOP(pFfb, ffb, line_drawop);
if(linepat == 0) {
FFBFifo(pFfb, 1);
ffb->lpat = 0;
}
for (i=0; i < nrects; i++) {
register int x0, xCoord, y0, yCoord;
x0 = xCoord = pR->x;
y0 = yCoord = pR->y;
FFBFifo(pFfb, 11);
if(linepat)
ffb->lpat = linepat;
else
ffb->ppc = 0;
FFB_WRITE64(&ffb->by, (yCoord + yOrg), (xCoord + xOrg));
MAXBOUND(xCoord, pR->x + (int) pR->width);
FFB_WRITE64(&ffb->bh, (yCoord + yOrg), (xCoord + xOrg));
MAXBOUND(yCoord, pR->y + (int) pR->height);
FFB_WRITE64_2(&ffb->bh, (yCoord + yOrg), (xCoord + xOrg));
FFB_WRITE64_3(&ffb->bh, (yCoord + yOrg), (x0 + xOrg));
FFB_WRITE64(&ffb->bh, (y0 + yOrg), (x0 + xOrg));
pR++;
}
}
}
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