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#include "nw4r/snd/snd_AxfxImpl.h"
#include "nw4r/ut/ut_algorithm.h"
namespace nw4r {
namespace snd {
namespace detail {
AxfxImpl* AxfxImpl::mCurrentFx = NULL;
u32 AxfxImpl::mAllocatedSize = 0;
bool AxfxImpl::CreateHeap(void* pBuffer, u32 size) {
if (pBuffer == NULL || size == 0)
{
mHeap = NULL;
return false;
}
mHeap = MEMCreateFrmHeap(pBuffer, size);
return mHeap != NULL;
}
void AxfxImpl::DestroyHeap() {
if (mHeap != NULL) {
MEMDestroyFrmHeap(mHeap);
mHeap = NULL;
}
}
void AxfxImpl::HookAlloc(AXFXAllocHook* pAllocHook, AXFXFreeHook* pFreeHook) {
AXFXGetHooks(pAllocHook, pFreeHook);
AXFXSetHooks(Alloc, Free);
mCurrentFx = this;
mAllocatedSize = 0;
}
u32 AxfxImpl::RestoreAlloc(AXFXAllocHook allocHook, AXFXFreeHook freeHook) {
AXFXSetHooks(allocHook, freeHook);
mCurrentFx = NULL;
return mAllocatedSize;
}
void* AxfxImpl::Alloc(u32 size) {
void* pBlock = MEMAllocFromFrmHeap(mCurrentFx->mHeap, size);
mCurrentFx->mAllocCount++;
mAllocatedSize += ut::RoundUp(size, 4);
return pBlock;
}
void AxfxImpl::Free(void* pBlock) {
#pragma unused(pBlock)
if (mCurrentFx->mAllocCount != 0) {
mCurrentFx->mAllocCount--;
}
if (mCurrentFx->mAllocCount == 0) {
MEMFreeToFrmHeap(mCurrentFx->mHeap, MEM_FRM_HEAP_FREE_ALL);
}
}
} // namespace detail
} // namespace snd
} // namespace nw4r
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