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Basic bitblt implementation

This commit is contained in:
Franco Catrin L 2004-04-11 15:20:17 +00:00
parent c231856a13
commit 056322336c
2 changed files with 28 additions and 2 deletions
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3
hw/kdrive/neomagic/ChangeLog
View File

@ -1,3 +1,6 @@
2004-04-11 Franco Catrin L. <fcatrin@tuxpan.com>
* Basic bitblt implementation
2004-04-10 Franco Catrin L. <fcatrin@tuxpan.com>
* MMIO enabled after switching to new VT
* First acceleration function implemented (DrawSolid)

27
hw/kdrive/neomagic/neo_draw.c
View File

@ -111,6 +111,31 @@ static Bool neoPrepareCopy (PixmapPtr pSrcPixpam, PixmapPtr pDstPixmap,
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 | 0x0c0000;
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 | 0x0c0000;
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)
@ -170,9 +195,7 @@ void neoDrawFini (ScreenPtr pScreen)
void neoDrawSync (ScreenPtr pScreen)
{
ENTER();
SetupNeo(pScreen);
neoWaitIdle(neoc);
LEAVE();
}