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/*
* Acceleration for the Creator and Creator3D framebuffer - stipple setting.
*
* Copyright (C) 1998,1999 Jakub Jelinek (jakub@redhat.com)
* Copyright (C) 1999 David S. Miller (davem@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
* JAKUB JELINEK OR 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.
*
*/
/* $XFree86$ */
#include "ffb.h"
#include "ffb_regs.h"
#include "ffb_rcache.h"
#include "ffb_fifo.h"
#include "ffb_stip.h"
#include "ffb_loops.h"
void
FFBSetStipple(FFBPtr pFfb, ffb_fbcPtr ffb,
CreatorStipplePtr stipple,
unsigned int ppc, unsigned int ppc_mask)
{
int transparent = ((stipple->alu & FFB_ROP_EDIT_BIT) != 0);
if(transparent)
ppc |= FFB_PPC_APE_ENABLE|FFB_PPC_TBE_TRANSPARENT;
else
ppc |= FFB_PPC_APE_ENABLE|FFB_PPC_TBE_OPAQUE;
ppc_mask |= FFB_PPC_APE_MASK|FFB_PPC_TBE_MASK;
FFB_WRITE_PPC(pFfb, ffb, ppc, ppc_mask);
FFB_WRITE_ROP(pFfb, ffb,
(FFB_ROP_EDIT_BIT|stipple->alu)| (FFB_ROP_NEW<<8));
if (stipple->inhw && pFfb->laststipple == stipple) {
FFB_WRITE_FG(pFfb, ffb, stipple->fg);
if(!transparent)
FFB_WRITE_BG(pFfb, ffb, stipple->bg);
return;
}
FFBFifo(pFfb, 32);
FFB_STIPPLE_LOAD(&ffb->pattern[0], &stipple->bits[0]);
FFB_WRITE_FG(pFfb, ffb, stipple->fg);
if(!transparent)
FFB_WRITE_BG(pFfb, ffb, stipple->bg);
stipple->inhw = 1;
pFfb->laststipple = stipple;
}
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