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Only allow one auxiliary effect slot

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This commit is contained in:
Chris Robinson 2007-12-18 13:42:13 -08:00
parent ebb30ec5b0
commit d4f556836a
1 changed files with 26 additions and 20 deletions
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46
OpenAL32/alAuxEffectSlot.c
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@ -42,32 +42,38 @@ AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslo
if (n > 0)
{
// Check that enough memory has been allocted in the 'sources' array for n Sources
if (!IsBadWritePtr((void*)effectslots, n * sizeof(ALuint)))
/* NOTE: We only support one slot currently */
if(n == 1 && g_AuxiliaryEffectSlotCount == 0)
{
ALeffectslot **list = &g_AuxiliaryEffectSlotList;
while(*list)
list = &(*list)->next;
i = 0;
while(i < n)
// Check that enough memory has been allocted in the 'sources' array for n Sources
if (!IsBadWritePtr((void*)effectslots, n * sizeof(ALuint)))
{
*list = calloc(1, sizeof(ALeffectslot));
if(!(*list))
ALeffectslot **list = &g_AuxiliaryEffectSlotList;
while(*list)
list = &(*list)->next;
i = 0;
while(i < n)
{
// We must have run out or memory
alDeleteAuxiliaryEffectSlots(i, effectslots);
alSetError(AL_OUT_OF_MEMORY);
break;
*list = calloc(1, sizeof(ALeffectslot));
if(!(*list))
{
// We must have run out or memory
alDeleteAuxiliaryEffectSlots(i, effectslots);
alSetError(AL_OUT_OF_MEMORY);
break;
}
effectslots[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
(*list)->effectslot = effectslots[i];
g_AuxiliaryEffectSlotCount++;
i++;
}
effectslots[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
(*list)->effectslot = effectslots[i];
g_AuxiliaryEffectSlotCount++;
i++;
}
}
else
alSetError(AL_INVALID_OPERATION);
}
ProcessContext(Context);