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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> 2004-04-10 Franco Catrin L. <fcatrin@tuxpan.com>
* MMIO enabled after switching to new VT * MMIO enabled after switching to new VT
* First acceleration function implemented (DrawSolid) * 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) 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) static void neoDoneCopy (void)
@ -170,9 +195,7 @@ void neoDrawFini (ScreenPtr pScreen)
void neoDrawSync (ScreenPtr pScreen) void neoDrawSync (ScreenPtr pScreen)
{ {
ENTER();
SetupNeo(pScreen); SetupNeo(pScreen);
neoWaitIdle(neoc); neoWaitIdle(neoc);
LEAVE();
} }