static int InitializeDDraw(int fs)
{
//only init the palette the first time through
if(firstInitialize) {
firstInitialize = false;
color_palette = (PALETTEENTRY*)malloc(256 * sizeof(PALETTEENTRY));
}
//(disvaccel&(1<<(fs?1:0)))?(GUID FAR *)DDCREATE_EMULATIONONLY:
ddrval = DirectDrawCreate((disvaccel&(1<<(fs?1:0)))?(GUID FAR *)DDCREATE_EMULATIONONLY:NULL, &lpDD, NULL);
if (ddrval != DD_OK)
{
ShowDDErr("Error creating DirectDraw object.");
return 0;
}
//mbg merge 7/17/06 changed:
ddrval = IDirectDraw_QueryInterface(lpDD,IID_IDirectDraw7,(LPVOID *)&lpDD7);
//ddrval = IDirectDraw_QueryInterface(lpDD,&IID_IDirectDraw7,(LPVOID *)&lpDD7);
IDirectDraw_Release(lpDD);
if (ddrval != DD_OK)
{
ShowDDErr("Error querying interface.");
return 0;
}
caps.dwSize=sizeof(caps);
if(IDirectDraw7_GetCaps(lpDD7,&caps,0)!=DD_OK)
{
ShowDDErr("Error getting capabilities.");
return 0;
}
return 1;
}
static int ddraw_verify_caps(dd_info *dd)
{
int retval = 0;
HRESULT result;
// get the capabilities
dd->ddcaps.dwSize = sizeof(dd->ddcaps);
dd->helcaps.dwSize = sizeof(dd->helcaps);
result = IDirectDraw7_GetCaps(dd->ddraw, &dd->ddcaps, &dd->helcaps);
if (result != DD_OK)
{
mame_printf_verbose("DirectDraw: Error %08X during IDirectDraw7_GetCaps call\n", (int)result);
return 1;
}
// determine if hardware stretching is available
if ((dd->ddcaps.dwCaps & DDCAPS_BLTSTRETCH) == 0)
{
mame_printf_verbose("DirectDraw: Warning - Device does not support hardware stretching\n");
retval = 1;
}
return retval;
}
static HRESULT WINAPI
IDirectDraw4Impl_GetCaps(LPDIRECTDRAW4 This, LPDDCAPS pDDC1, LPDDCAPS pDDC2)
{
return IDirectDraw7_GetCaps((IDirectDraw7 *)ddraw_from_ddraw4(This), pDDC1, pDDC2);
}