static struct DevUnit *CreatePCIUnit(ULONG index, struct DevBase *base)
{
BOOL success = TRUE;
struct BusContext *context;
struct DevUnit *unit = NULL;
context = AllocCard(index, base);
if(context == NULL)
success = FALSE;
if(success)
{
if(context->unit_tags == NULL)
{
if(context->bus_type == PCI_BUS)
context->unit_tags = unit_tags;
else
context->unit_tags = bridge_unit_tags;
}
context->unit = unit =
CreateUnit(index, context, context->unit_tags, context->bus_type,
base);
if(unit == NULL)
success = FALSE;
}
/* Add interrupt */
if(success)
{
if(!(WrapInt(&unit->status_int, base)
&& WrapInt(&unit->rx_int, base)
&& WrapInt(&unit->tx_int, base)
&& WrapInt(&unit->info_int, base)))
success = FALSE;
success = AddPCIIntServer(context->card, &unit->status_int, base);
}
if(!success)
{
if(context != NULL)
{
DeleteUnit(context->unit, base);
FreeCard(context, base);
}
unit = NULL;
}
return unit;
}
void cTexture::CreateMipMaps()
{
int prevW = width;
int prevH = height;
int w = width / 2;
int h = height / 2;
sRGB8 *prevBitmap = bitmap;
while(w > 0 && h > 0)
{
QVector<sRGB8> newMipmapV(w * h);
sRGB8 *newMipmap = newMipmapV.data();
for(int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
sRGB8 newPixel;
sRGB8 p1 = prevBitmap[WrapInt(x * 2, prevW) + WrapInt(y * 2, prevH) * prevW];
sRGB8 p2 = prevBitmap[WrapInt(x * 2 + 1, prevW) + WrapInt(y * 2, prevH) * prevW];
sRGB8 p3 = prevBitmap[WrapInt(x * 2, prevW) + WrapInt(y * 2 + 1, prevH) * prevW];
sRGB8 p4 = prevBitmap[WrapInt(x * 2 + 1, prevW) + WrapInt(y * 2 + 1, prevH) * prevW];
newPixel.R = ((int)p1.R + p2.R + p3.R + p4.R)/4;
newPixel.G = ((int)p1.G + p2.G + p3.G + p4.G)/4;
newPixel.B = ((int)p1.B + p2.B + p3.B + p4.B)/4;
newMipmap[x + y * w] = newPixel;
}
}
mipmapSizes.append(CVector2<int>(w, h));
mipmaps.append(newMipmapV);
prevH = h;
prevW = w;
w /= 2;
h /= 2;
prevBitmap = mipmaps.last().data();
}
}
