mkdd/libs/JSystem/JUtility/JUTGraphFifo.cpp

#include <dolphin/gx.h>
#include "JSystem/JKernel/JKRHeap.h"
#include "JSystem/JUtility/JUTGraphFifo.h"

bool JUTGraphFifo::sInitiated;
JUTGraphFifo *JUTGraphFifo::sCurrentFifo;
GXBool JUTGraphFifo::mGpStatus[5];

JUTGraphFifo::JUTGraphFifo(u32 size)
{
    mSize = ALIGN_NEXT(size, 32);
    if (sInitiated)
    {
        mFifo = (GXFifoObj *)JKRAllocFromSysHeap(mSize + sizeof(GXFifoObj), 32);
        mBase = mFifo + 1;
        GXInitFifoBase(mFifo, mBase, mSize);
        GXInitFifoPtrs(mFifo, mBase, mBase);
    }
    else
    {
        /** TODO: Figure out what has sizeof 0xA0. */
        mBase = JKRAllocFromSysHeap(mSize + 0xA0, 32);
        mBase = (void *)ALIGN_NEXT((u32)mBase, 32);
        mFifo = GXInit(mBase, mSize);
        sInitiated = true;
        sCurrentFifo = this;
    }
}

JUTGraphFifo::~JUTGraphFifo()
{
    sCurrentFifo->save();

    while (isGPActive())
    {
        ;
    }

    if (sCurrentFifo == this)
    {
        sCurrentFifo = nullptr;
    }

    JKRFreeToSysHeap(mBase);
}