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/*
*
* Copyright © 2004 Franco Catrin
*
* 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 Franco Catrin not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Franco Catrin makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* FRANCO CATRIN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL FRANCO CATRIN 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "neomagic.h"
#include <X11/Xmd.h>
#include "gcstruct.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "regionstr.h"
#include "mistruct.h"
#include "dixfontstr.h"
#include "fb.h"
#include "migc.h"
#include "miline.h"
#include "picturestr.h"
NeoMMIO *mmio;
NeoScreenInfo *screen;
NeoCardInfo *card;
CARD32 fgColor;
CARD32 rop;
CARD32 neoRop[16] = {
0x000000, /* GXclear */
0x080000, /* GXand */
0x040000, /* GXandReverse */
0x0c0000, /* GXcopy */
0x020000, /* GXandInvert */
0x0a0000, /* GXnoop */
0x060000, /* GXxor */
0x0e0000, /* GXor */
0x010000, /* GXnor */
0x090000, /* GXequiv */
0x050000, /* GXinvert */
0x0d0000, /* GXorReverse */
0x030000, /* GXcopyInvert */
0x0b0000, /* GXorInverted */
0x070000, /* GXnand */
0x0f0000 /* GXset */
};
static void neoWaitIdle(NeoCardInfo *neoc)
{
// if MMIO is not working it may halt the machine
unsigned int i = 0;
while ((mmio->bltStat & 1) && ++i<100000);
}
static void neoWaitMarker (ScreenPtr pScreen, int marker)
{
KdScreenPriv(pScreen);
neoCardInfo(pScreenPriv);
neoWaitIdle(neoc);
}
static Bool neoPrepareSolid(PixmapPtr pPixmap,
int alu,
Pixel pm,
Pixel fg)
{
FbBits depthMask = FbFullMask(pPixmap->drawable.depth);
if ((pm & depthMask) != depthMask) {
return FALSE;
} else {
fgColor = fg;
if (alu!=3) DBGOUT("used ROP %i\n", alu);
rop = neoRop[alu];
return TRUE;
}
}
static void neoSolid (int x1, int y1, int x2, int y2)
{
int x, y, w, h;
x = x1;
y = y1;
w = x2-x1;
h = y2-y1;
neoWaitIdle(card);
mmio->fgColor = fgColor;
mmio->bltCntl =
NEO_BC3_FIFO_EN |
NEO_BC0_SRC_IS_FG |
NEO_BC3_SKIP_MAPPING | rop;
mmio->dstStart = y * screen->pitch + x * screen->depth;
mmio->xyExt = (unsigned long)(h << 16) | (w & 0xffff);
}
static void neoDoneSolid(void)
{
}
static Bool neoPrepareCopy (PixmapPtr pSrcPixpam, PixmapPtr pDstPixmap,
int dx, int dy, int alu, Pixel pm)
{
rop = neoRop[alu];
return TRUE;
}
static void neoCopy (int srcX, int srcY, int dstX, int dstY, int w, int h)
{
neoWaitIdle(card);
if ((dstY < srcY) || ((dstY == srcY) && (dstX < srcX))) {
mmio->bltCntl =
NEO_BC3_FIFO_EN |
NEO_BC3_SKIP_MAPPING | rop;
mmio->srcStart = srcY * screen->pitch + srcX * screen->depth;
mmio->dstStart = dstY * screen->pitch + dstX * screen->depth;
mmio->xyExt = (unsigned long)(h << 16) | (w & 0xffff);
} else {
mmio->bltCntl = NEO_BC0_X_DEC |
NEO_BC0_DST_Y_DEC |
NEO_BC0_SRC_Y_DEC |
NEO_BC3_FIFO_EN |
NEO_BC3_SKIP_MAPPING | rop;
srcX+=w-1;
dstX+=w-1;
srcY+=h-1;
dstY+=h-1;
mmio->srcStart = srcY * screen->pitch + srcX * screen->depth;
mmio->dstStart = dstY * screen->pitch + dstX * screen->depth;
mmio->xyExt = (unsigned long)(h << 16) | (w & 0xffff);
}
}
static void neoDoneCopy (void)
{
}
Bool neoDrawInit (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
neoScreenInfo(pScreenPriv);
ENTER();
memset(&neos->kaa, 0, sizeof(KaaScreenInfoRec));
neos->kaa.waitMarker = neoWaitMarker;
neos->kaa.PrepareSolid = neoPrepareSolid;
neos->kaa.Solid = neoSolid;
neos->kaa.DoneSolid = neoDoneSolid;
neos->kaa.PrepareCopy = neoPrepareCopy;
neos->kaa.Copy = neoCopy;
neos->kaa.DoneCopy = neoDoneCopy;
if (!kaaDrawInit (pScreen, &neos->kaa)) {
return FALSE;
}
LEAVE();
return TRUE;
}
void neoDrawEnable (ScreenPtr pScreen)
{
ENTER();
SetupNeo(pScreen);
screen = neos;
card = neoc;
mmio = neoc->mmio;
screen->depth = (screen->backendScreen.mode.BitsPerPixel+7)/8;
screen->pitch = screen->backendScreen.mode.BytesPerScanLine;
DBGOUT("NEO depth=%x, pitch=%x\n", screen->depth, screen->pitch);
LEAVE();
}
void neoDrawDisable (ScreenPtr pScreen)
{
ENTER();
LEAVE();
}
void neoDrawFini (ScreenPtr pScreen)
{
ENTER();
LEAVE();
}
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