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C++ OpArg::AddMemOffset方法代码示例

本文整理汇总了C++中OpArg::AddMemOffset方法的典型用法代码示例。如果您正苦于以下问题:C++ OpArg::AddMemOffset方法的具体用法?C++ OpArg::AddMemOffset怎么用?C++ OpArg::AddMemOffset使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在OpArg的用法示例。


在下文中一共展示了OpArg::AddMemOffset方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: R

void VertexLoaderX64::GenerateVertexLoader()
{
	BitSet32 regs = {src_reg, dst_reg, scratch1, scratch2, scratch3, count_reg, skipped_reg, base_reg};
	regs &= ABI_ALL_CALLEE_SAVED;
	ABI_PushRegistersAndAdjustStack(regs, 0);

	// Backup count since we're going to count it down.
	PUSH(32, R(ABI_PARAM3));

	// ABI_PARAM3 is one of the lower registers, so free it for scratch2.
	MOV(32, R(count_reg), R(ABI_PARAM3));

	MOV(64, R(base_reg), R(ABI_PARAM4));

	if (m_VtxDesc.Position & MASK_INDEXED)
		XOR(32, R(skipped_reg), R(skipped_reg));

	// TODO: load constants into registers outside the main loop

	const u8* loop_start = GetCodePtr();

	if (m_VtxDesc.PosMatIdx)
	{
		MOVZX(32, 8, scratch1, MDisp(src_reg, m_src_ofs));
		AND(32, R(scratch1), Imm8(0x3F));
		MOV(32, MDisp(dst_reg, m_dst_ofs), R(scratch1));

		// zfreeze
		CMP(32, R(count_reg), Imm8(3));
		FixupBranch dont_store = J_CC(CC_A);
		MOV(32, MPIC(VertexLoaderManager::position_matrix_index - 1, count_reg, SCALE_4), R(scratch1));
		SetJumpTarget(dont_store);

		m_native_components |= VB_HAS_POSMTXIDX;
		m_native_vtx_decl.posmtx.components = 4;
		m_native_vtx_decl.posmtx.enable = true;
		m_native_vtx_decl.posmtx.offset = m_dst_ofs;
		m_native_vtx_decl.posmtx.type = VAR_UNSIGNED_BYTE;
		m_native_vtx_decl.posmtx.integer = true;
		m_src_ofs += sizeof(u8);
		m_dst_ofs += sizeof(u32);
	}

	u32 texmatidx_ofs[8];
	const u64 tm[8] = {
		m_VtxDesc.Tex0MatIdx, m_VtxDesc.Tex1MatIdx, m_VtxDesc.Tex2MatIdx, m_VtxDesc.Tex3MatIdx,
		m_VtxDesc.Tex4MatIdx, m_VtxDesc.Tex5MatIdx, m_VtxDesc.Tex6MatIdx, m_VtxDesc.Tex7MatIdx,
	};
	for (int i = 0; i < 8; i++)
	{
		if (tm[i])
			texmatidx_ofs[i] = m_src_ofs++;
	}

	OpArg data = GetVertexAddr(ARRAY_POSITION, m_VtxDesc.Position);
	int pos_elements = 2 + m_VtxAttr.PosElements;
	ReadVertex(data, m_VtxDesc.Position, m_VtxAttr.PosFormat, pos_elements, pos_elements,
	           m_VtxAttr.ByteDequant, m_VtxAttr.PosFrac, &m_native_vtx_decl.position);

	if (m_VtxDesc.Normal)
	{
		static const u8 map[8] = { 7, 6, 15, 14 };
		u8 scaling_exponent = map[m_VtxAttr.NormalFormat];

		for (int i = 0; i < (m_VtxAttr.NormalElements ? 3 : 1); i++)
		{
			if (!i || m_VtxAttr.NormalIndex3)
			{
				data = GetVertexAddr(ARRAY_NORMAL, m_VtxDesc.Normal);
				int elem_size = 1 << (m_VtxAttr.NormalFormat / 2);
				data.AddMemOffset(i * elem_size * 3);
			}
			data.AddMemOffset(ReadVertex(data, m_VtxDesc.Normal, m_VtxAttr.NormalFormat, 3, 3,
			                             true, scaling_exponent, &m_native_vtx_decl.normals[i]));
		}

		m_native_components |= VB_HAS_NRM0;
		if (m_VtxAttr.NormalElements)
			m_native_components |= VB_HAS_NRM1 | VB_HAS_NRM2;
	}

	const u64 col[2] = { m_VtxDesc.Color0, m_VtxDesc.Color1 };
	for (int i = 0; i < 2; i++)
	{
		if (col[i])
		{
			data = GetVertexAddr(ARRAY_COLOR + i, col[i]);
			ReadColor(data, col[i], m_VtxAttr.color[i].Comp);
			m_native_components |= VB_HAS_COL0 << i;
			m_native_vtx_decl.colors[i].components = 4;
			m_native_vtx_decl.colors[i].enable = true;
			m_native_vtx_decl.colors[i].offset = m_dst_ofs;
			m_native_vtx_decl.colors[i].type = VAR_UNSIGNED_BYTE;
			m_native_vtx_decl.colors[i].integer = false;
			m_dst_ofs += 4;
		}
	}

	const u64 tc[8] = {
		m_VtxDesc.Tex0Coord, m_VtxDesc.Tex1Coord, m_VtxDesc.Tex2Coord, m_VtxDesc.Tex3Coord,
//.........这里部分代码省略.........
开发者ID:feitingen,项目名称:dolphin,代码行数:101,代码来源:VertexLoaderX64.cpp

示例2: if


//.........这里部分代码省略.........
			break;
		case FORMAT_BYTE:
			MOVD_xmm(coords, data);
			PUNPCKLBW(coords, R(coords));
			PUNPCKLWD(coords, R(coords));
			PSRAD(coords, 24);
			break;
		case FORMAT_USHORT:
		case FORMAT_SHORT:
			switch (count_in)
			{
			case 1:
				LoadAndSwap(32, scratch3, data);
				MOVD_xmm(coords, R(scratch3));    // ......X.
				break;
			case 2:
				LoadAndSwap(32, scratch3, data);
				MOVD_xmm(coords, R(scratch3));    // ......XY
				PSHUFLW(coords, R(coords), 0x24); // ....Y.X.
				break;
			case 3:
				LoadAndSwap(64, scratch3, data);
				MOVQ_xmm(coords, R(scratch3));    // ....XYZ.
				PUNPCKLQDQ(coords, R(coords));    // ..Z.XYZ.
				PSHUFLW(coords, R(coords), 0xAC); // ..Z.Y.X.
				break;
			}
			if (format == FORMAT_SHORT)
				PSRAD(coords, 16);
			else
				PSRLD(coords, 16);
			break;
		case FORMAT_FLOAT:
			// Floats don't need to be scaled or converted,
			// so we can just load/swap/store them directly
			// and return early.
			// (In SSSE3 we still need to store them.)
			for (int i = 0; i < count_in; i++)
			{
				LoadAndSwap(32, scratch3, data);
				MOV(32, dest, R(scratch3));
				data.AddMemOffset(sizeof(float));
				dest.AddMemOffset(sizeof(float));

				// zfreeze
				if (native_format == &m_native_vtx_decl.position)
				{
					if (cpu_info.bSSE4_1)
					{
						PINSRD(coords, R(scratch3), i);
					}
					else
					{
						PINSRW(coords, R(scratch3), 2 * i + 0);
						SHR(32, R(scratch3), Imm8(16));
						PINSRW(coords, R(scratch3), 2 * i + 1);
					}
				}
			}

			// zfreeze
			if (native_format == &m_native_vtx_decl.position)
			{
				CMP(32, R(count_reg), Imm8(3));
				FixupBranch dont_store = J_CC(CC_A);
				LEA(32, scratch3, MScaled(count_reg, SCALE_4, -4));
				MOVUPS(MPIC(VertexLoaderManager::position_cache, scratch3, SCALE_4), coords);
				SetJumpTarget(dont_store);
			}
			return load_bytes;
		}
	}

	if (format != FORMAT_FLOAT)
	{
		CVTDQ2PS(coords, R(coords));

		if (dequantize && scaling_exponent)
			MULPS(coords, MPIC(&scale_factors[scaling_exponent]));
	}

	switch (count_out)
	{
	case 1: MOVSS(dest, coords); break;
	case 2: MOVLPS(dest, coords); break;
	case 3: MOVUPS(dest, coords); break;
	}

	// zfreeze
	if (native_format == &m_native_vtx_decl.position)
	{
		CMP(32, R(count_reg), Imm8(3));
		FixupBranch dont_store = J_CC(CC_A);
		LEA(32, scratch3, MScaled(count_reg, SCALE_4, -4));
		MOVUPS(MPIC(VertexLoaderManager::position_cache, scratch3, SCALE_4), coords);
		SetJumpTarget(dont_store);
	}

	return load_bytes;
}
开发者ID:feitingen,项目名称:dolphin,代码行数:101,代码来源:VertexLoaderX64.cpp


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