Method WriteImageX

pcsx2/GS/GSLocalMemoryMultiISA.cpp:806–900

}

void GSLocalMemoryFunctions::WriteImageX(GSLocalMemory& mem, int& tx, int& ty, const u8* src, int len, GIFRegBITBLTBUF& BITBLTBUF, GIFRegTRXPOS& TRXPOS, GIFRegTRXREG& TRXREG)
{
	if (len <= 0)
		return;

	const u8* pb = (u8*)src;
	const u16* pw = (u16*)src;
	const u32* pd = (u32*)src;
	u8* vm8 = mem.vm8();
	u16* vm16 = mem.vm16();
	u32* vm32 = mem.vm32();

	u32 bp = BITBLTBUF.DBP;
	u32 bw = BITBLTBUF.DBW;

	int sx = TRXPOS.DSAX;
	int w = TRXREG.RRW;

	GSOffset off = mem.GetOffset(bp, bw, BITBLTBUF.DPSM);

	switch (BITBLTBUF.DPSM)
	{
		case PSMCT32:
		case PSMZ32:
			readWriteHelper(tx, ty, len / 4, 1, sx, w, off.assertSizesMatch(GSLocalMemory::swizzle32), [&](GSOffset::PAHelper& pa, int x)
			{
				vm32[pa.value(x)] = *pd;
				pd++;
			});
			break;

		case PSMCT24:
		case PSMZ24:
			readWriteHelper(tx, ty, len / 3, 1, sx, w, off.assertSizesMatch(GSLocalMemory::swizzle32), [&](GSOffset::PAHelper& pa, int x)
			{
				mem.WritePixel24(&vm32[pa.value(x)], *(u32*)pb);
				pb += 3;
			});
			break;

		case PSMCT16:
		case PSMCT16S:
		case PSMZ16:
		case PSMZ16S:
			readWriteHelper(tx, ty, len / 2, 1, sx, w, off.assertSizesMatch(GSLocalMemory::swizzle16), [&](GSOffset::PAHelper& pa, int x)
			{
				vm16[pa.value(x)] = *pw;
				pw++;
			});
			break;

		case PSMT8:
			readWriteHelper(tx, ty, len, 1, sx, w, GSOffset::fromKnownPSM(bp, bw, PSMT8), [&](GSOffset::PAHelper& pa, int x)
			{
				vm8[pa.value(x)] = *pb;
				pb++;
			});
			break;