VOID defineCursorVMWareSVGA(struct HWData *data, struct MouseData *mouse)
{
int i;
ULONG *cshape = mouse->shape;
struct Box box;
ULONG andmask[SVGA_PIXMAP_SIZE(mouse->width, mouse->height, data->bitsperpixel)];
ULONG *a;
ULONG *b;
#warning "convert mouse shape to current depth"
writeVMWareSVGAFIFO(data, SVGA_CMD_DEFINE_CURSOR);
writeVMWareSVGAFIFO(data, 1);
writeVMWareSVGAFIFO(data, 0); /* hot x value */
writeVMWareSVGAFIFO(data, 0); /* hot y value */
writeVMWareSVGAFIFO(data, mouse->width); /* width */
writeVMWareSVGAFIFO(data, mouse->height); /* height */
writeVMWareSVGAFIFO(data, data->bitsperpixel); /* bits per pixel */
writeVMWareSVGAFIFO(data, data->bitsperpixel); /* bits per pixel */
b = cshape;
a = andmask;
for (i = 0; i<(SVGA_PIXMAP_SIZE(mouse->width, mouse->height, data->bitsperpixel)*2);i++)
{
*((UWORD *)a) = *((UWORD *)b) ? 0 : ~0;
a = ((UWORD *)a) + 1;
b = ((UWORD *)b) + 1;
}
a = andmask;
for (i = 0; i<SVGA_PIXMAP_SIZE(mouse->width, mouse->height, data->bitsperpixel);i++)
writeVMWareSVGAFIFO(data, *a++);
for (i = 0; i<SVGA_PIXMAP_SIZE(mouse->width, mouse->height, data->bitsperpixel);i++)
writeVMWareSVGAFIFO(data, *cshape++);
syncVMWareSVGAFIFO(data);
}
static void
RedefineCursor(VMWAREPtr pVMWARE)
{
int i;
VmwareLog(("RedefineCursor\n"));
pVMWARE->cursorDefined = FALSE;
/* Define cursor */
vmwareWriteWordToFIFO(pVMWARE, SVGA_CMD_DEFINE_CURSOR);
vmwareWriteWordToFIFO(pVMWARE, MOUSE_ID);
vmwareWriteWordToFIFO(pVMWARE, 0); /* HotX/HotY seem to be zero? */
vmwareWriteWordToFIFO(pVMWARE, 0); /* HotX/HotY seem to be zero? */
vmwareWriteWordToFIFO(pVMWARE, pVMWARE->CursorInfoRec->MaxWidth);
vmwareWriteWordToFIFO(pVMWARE, pVMWARE->CursorInfoRec->MaxHeight);
vmwareWriteWordToFIFO(pVMWARE, 1);
vmwareWriteWordToFIFO(pVMWARE, pVMWARE->bitsPerPixel);
/*
* Since we have AND and XOR masks rather than 'source' and 'mask',
* color expand 'mask' with all zero as its foreground and all one as
* its background. This makes 'image & 0 ^ 'source' = source. We
* arange for 'image' & 1 ^ 'source' = 'image' below when we clip
* 'source' below.
*/
vmwareRaster_BitsToPixels((uint8 *) pVMWARE->hwcur.mask,
SVGA_BITMAP_INCREMENT(pVMWARE->CursorInfoRec->MaxWidth),
(uint8 *) pVMWARE->hwcur.maskPixmap,
SVGA_PIXMAP_INCREMENT(pVMWARE->CursorInfoRec->MaxWidth,
pVMWARE->bitsPerPixel),
pVMWARE->bitsPerPixel / 8,
pVMWARE->CursorInfoRec->MaxWidth,
pVMWARE->CursorInfoRec->MaxHeight, 0, ~0);
for (i = 0; i < SVGA_BITMAP_SIZE(pVMWARE->CursorInfoRec->MaxWidth,
pVMWARE->CursorInfoRec->MaxHeight); i++) {
vmwareWriteWordToFIFO(pVMWARE, ~pVMWARE->hwcur.mask[i]);
}
vmwareRaster_BitsToPixels((uint8 *) pVMWARE->hwcur.source,
SVGA_BITMAP_INCREMENT(pVMWARE->CursorInfoRec->MaxWidth),
(uint8 *) pVMWARE->hwcur.sourcePixmap,
SVGA_PIXMAP_INCREMENT(pVMWARE->CursorInfoRec->MaxWidth,
pVMWARE->bitsPerPixel),
pVMWARE->bitsPerPixel / 8,
pVMWARE->CursorInfoRec->MaxWidth,
pVMWARE->CursorInfoRec->MaxHeight,
pVMWARE->hwcur.fg, pVMWARE->hwcur.bg);
/*
* As pointed out above, we need to clip the expanded 'source' against
* the expanded 'mask' since we actually have AND and XOR masks in the
* virtual hardware. Effectively, 'source' becomes a three color fg/bg/0
* pixmap that XORs appropriately.
*/
for (i = 0; i < SVGA_PIXMAP_SIZE(pVMWARE->CursorInfoRec->MaxWidth,
pVMWARE->CursorInfoRec->MaxHeight,
pVMWARE->bitsPerPixel); i++) {
pVMWARE->hwcur.sourcePixmap[i] &= ~pVMWARE->hwcur.maskPixmap[i];
vmwareWriteWordToFIFO(pVMWARE, pVMWARE->hwcur.sourcePixmap[i]);
}
/* Sync the FIFO, so that the definition preceeds any use of the cursor */
vmwareWaitForFB(pVMWARE);
pVMWARE->cursorDefined = TRUE;
}
