DWORD PisteDraw_Videomuistia()
{
DDCAPS hel_caps, hal_caps;
DD_INIT_STRUCT(hel_caps);
DD_INIT_STRUCT(hal_caps);
if (FAILED(PD_lpdd->GetCaps(&hal_caps,&hel_caps)))
{
strcpy(virhe,"Cannot aquire system information!");
return PD_VIRHE;
}
return hal_caps.dwVidMemFree;
}
DWORD PisteDraw_Videomuistia_Max()
{
DDCAPS hel_caps, hal_caps;
DD_INIT_STRUCT(hel_caps);
DD_INIT_STRUCT(hal_caps);
if (FAILED(PD_lpdd->GetCaps(&hal_caps,&hel_caps)))
{
strcpy(virhe,"Cannot aquire system information!");
PisteLog_Kirjoita("[Error] Piste Draw: Cannot aquire system information! \n");
return PD_VIRHE;
}
return hal_caps.dwVidMemTotal;
}
int PisteDraw_Buffer_Uusi(int leveys, int korkeus, bool video_muisti, UCHAR color)
{
int i = 0,
varaus;
bool find = false;
DDCAPS hel_caps, hal_caps;
DD_INIT_STRUCT(hel_caps);
DD_INIT_STRUCT(hal_caps);
if (FAILED(PD_lpdd->GetCaps(&hal_caps,&hel_caps)))
{
strcpy(virhe,"Cannot aquire system information!");
PisteLog_Kirjoita("[Error] Piste Draw: Cannot aquire system information to create a new buffer! \n");
return PD_VIRHE;
}
if ((unsigned long)(leveys*korkeus) > hal_caps.dwVidMemFree) { //tarkastetaan riittääkö videomuistia
video_muisti = false;
PisteLog_Kirjoita("[Warning] Piste Draw: Out of video memory - creating a new buffer in system memory! \n");
}
if (video_muisti)
{
varaus = DDSCAPS_VIDEOMEMORY;
}
else
{
varaus = DDSCAPS_SYSTEMMEMORY;
}
while ((i < MAX_BUFFEREITA) && !find)
{
if (PD_buffers[i].lpdds == NULL) // Onko puskurin pinta jo varattu?
{
if ((PD_buffers[i].lpdds = PisteDraw_Create_Surface(leveys, korkeus, varaus, color)) != NULL)
{
PD_buffers[i].leveys = leveys;
PD_buffers[i].korkeus = korkeus;
PD_buffers[i].klipperi.left = 0;
PD_buffers[i].klipperi.top = 0;
PD_buffers[i].klipperi.right = leveys;
PD_buffers[i].klipperi.bottom = korkeus;
PD_buffers[i].video_muisti = video_muisti;
PD_buffers[i].lukittu = false;
find = true;
PD_buffereita_varattu++;
}
else
{
i = PD_VIRHE;
strcpy(virhe,"Cannot create a new DirectDraw surface!");
PisteLog_Kirjoita("[Error] Piste Draw: Cannot create a new DirectDraw surface! \n");
}
}
else
{
i++;
}
}
if (!find)
{
strcpy(virhe,"PisteEngine has run out of buffers!");
PisteLog_Kirjoita("[Error] Piste Draw: PisteDraw has run out of buffers! \n");
i = PD_VIRHE;
}
return i;
}
