void FragmentProgramDecompiler::SetDst(std::string code, bool append_mask)
{
	if (!src0.exec_if_eq && !src0.exec_if_gr && !src0.exec_if_lt) return;

	switch (src1.scale)
	{
	case 0: break;
	case 1: code = "(" + code + " * 2.0)"; break;
	case 2: code = "(" + code + " * 4.0)"; break;
	case 3: code = "(" + code + " * 8.0)"; break;
	case 5: code = "(" + code + " / 2.0)"; break;
	case 6: code = "(" + code + " / 4.0)"; break;
	case 7: code = "(" + code + " / 8.0)"; break;

	default:
		LOG_ERROR(RSX, "Bad scale: %d", u32{ src1.scale });
		Emu.Pause();
		break;
	}

	if (dst.saturate)
	{
		code = saturate(code);
	}

	code += (append_mask ? "$m" : "");

	if (dst.no_dest)
	{
		if (dst.set_cond)
		{
			AddCode("$ifcond " + m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), "cc" + std::to_string(src0.cond_mod_reg_index)) + "$m = " + code + ";");
		}
		else
		{
			AddCode("$ifcond " + code + ";");
		}

		return;
	}

	std::string dest = AddReg(dst.dest_reg, dst.fp16) + "$m";

	AddCodeCond(Format(dest), code);
	//AddCode("$ifcond " + dest + code + (append_mask ? "$m;" : ";"));

	if (dst.set_cond)
	{
		AddCode(m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), "cc" + std::to_string(src0.cond_mod_reg_index)) + "$m = " + dest + ";");
	}
}
Esempio n. 2
0
void VertexProgramDecompiler::SetDST(bool is_sca, std::string value)
{
	if (d0.cond == 0) return;

	enum
	{
		lt = 0x1,
		eq = 0x2,
		gt = 0x4,
	};

	std::string mask = GetMask(is_sca);

	if (is_sca)
	{
		value = getFloatTypeName(4) + "(" + value + ")";
	}

	value += mask;

	if (d0.staturate)
	{
		value = "clamp(" + value + ", 0.0, 1.0)";
	}

	std::string dest;

	if (d0.cond_update_enable_0 && d0.cond_update_enable_1)
	{
		dest = m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), "cc" + std::to_string(d0.cond_reg_sel_1), getFloatTypeName(4) + "(0., 0., 0., 0.)") + mask;
	}
	else if (d3.dst != 0x1f || (is_sca ? d3.sca_dst_tmp != 0x3f : d0.dst_tmp != 0x3f))
	{
		dest = GetDST(is_sca) + mask;
	}

	//std::string code;
	//if (d0.cond_test_enable)
	//	code += "$ifcond ";
	//code += dest + value;
	//AddCode(code + ";");

	AddCodeCond(Format(dest), value);
}
std::string FragmentProgramDecompiler::AddConst()
{
	std::string name = std::string("fc") + std::to_string(m_size + 4 * 4);
	if (m_parr.HasParam(PF_PARAM_UNIFORM, getFloatTypeName(4), name))
	{
		return name;
	}

	auto data = vm::ps3::ptr<u32>::make(m_addr + m_size + 4 * sizeof32(u32));

	m_offset = 2 * 4 * sizeof(u32);
	u32 x = GetData(data[0]);
	u32 y = GetData(data[1]);
	u32 z = GetData(data[2]);
	u32 w = GetData(data[3]);
	return m_parr.AddParam(PF_PARAM_UNIFORM, getFloatTypeName(4), name,
		std::string(getFloatTypeName(4) + "(") + std::to_string((float&)x) + ", " + std::to_string((float&)y)
		+ ", " + std::to_string((float&)z) + ", " + std::to_string((float&)w) + ")");
}
Esempio n. 4
0
std::string VertexProgramDecompiler::GetDST(bool isSca)
{
	std::string ret;

	switch (isSca ? 0x1f : d3.dst)
	{
	case 0x1f:
		ret += m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), std::string("tmp") + std::to_string(isSca ? d3.sca_dst_tmp : d0.dst_tmp));
		break;

	default:
		if (d3.dst > 15)
			LOG_ERROR(RSX, fmt::format("dst index out of range: %u", d3.dst));
		ret += m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), std::string("dst_reg") + std::to_string(d3.dst), d3.dst == 0 ? getFloatTypeName(4) + "(0.0f, 0.0f, 0.0f, 1.0f)" : getFloatTypeName(4) + "(0.0, 0.0, 0.0, 0.0)");
		break;
	}

	return ret;
}
std::string FragmentProgramDecompiler::GetCond()
{
	if (src0.exec_if_gr && src0.exec_if_lt && src0.exec_if_eq)
	{
		return "true";
	}
	else if (!src0.exec_if_gr && !src0.exec_if_lt && !src0.exec_if_eq)
	{
		return "false";
	}

	static const char f[4] = { 'x', 'y', 'z', 'w' };

	std::string swizzle, cond;
	swizzle += f[src0.cond_swizzle_x];
	swizzle += f[src0.cond_swizzle_y];
	swizzle += f[src0.cond_swizzle_z];
	swizzle += f[src0.cond_swizzle_w];
	swizzle = swizzle == "xyzw" ? "" : "." + swizzle;

	if (src0.exec_if_gr && src0.exec_if_eq)
		cond = compareFunction(COMPARE::FUNCTION_SGE, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_lt && src0.exec_if_eq)
		cond = compareFunction(COMPARE::FUNCTION_SLE, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_gr && src0.exec_if_lt)
		cond = compareFunction(COMPARE::FUNCTION_SNE, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_gr)
		cond = compareFunction(COMPARE::FUNCTION_SGT, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_lt)
		cond = compareFunction(COMPARE::FUNCTION_SLT, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else //if(src0.exec_if_eq)
		cond = compareFunction(COMPARE::FUNCTION_SEQ, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");

	return "any(" + cond + ")";
}
bool FragmentProgramDecompiler::handle_sct(u32 opcode)
{
	switch (opcode)
	{
	case RSX_FP_OPCODE_ADD: SetDst("($0 + $1)"); return true;
	case RSX_FP_OPCODE_DIV: SetDst("($0 / $1.xxxx)"); return true;
	// Note: DIVSQ is not IEEE compliant. divsq(0, 0) is 0 (Super Puzzle Fighter II Turbo HD Remix).
	// sqrt(x, 0) might be equal to some big value (in absolute) whose sign is sign(x) but it has to be proven.
	case RSX_FP_OPCODE_DIVSQ: SetDst("divsq_legacy($0, $1)"); return true;
	case RSX_FP_OPCODE_DP2: SetDst(getFunction(FUNCTION::FUNCTION_DP2)); return true;
	case RSX_FP_OPCODE_DP3: SetDst(getFunction(FUNCTION::FUNCTION_DP3)); return true;
	case RSX_FP_OPCODE_DP4: SetDst(getFunction(FUNCTION::FUNCTION_DP4)); return true;
	case RSX_FP_OPCODE_DP2A: SetDst(getFunction(FUNCTION::FUNCTION_DP2A)); return true;
	case RSX_FP_OPCODE_MAD: SetDst("($0 * $1 + $2)"); return true;
	case RSX_FP_OPCODE_MAX: SetDst("max($0, $1)"); return true;
	case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); return true;
	case RSX_FP_OPCODE_MOV: SetDst("$0"); return true;
	case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); return true;
	// Note: It's higly likely that RCP is not IEEE compliant but a game that uses rcp(0) has to be found
	case RSX_FP_OPCODE_RCP: SetDst("rcp_legacy($0)"); return true;
	// Note: RSQ is not IEEE compliant. rsq(0) is some big number (Silent Hill 3 HD)
	// It is not know what happens if 0 is negative.
	case RSX_FP_OPCODE_RSQ: SetDst("rsq_legacy($0)"); return true;
	case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); return true;
	case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SGT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SLE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SLT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SNE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_STR: SetDst(getFunction(FUNCTION::FUNCTION_STR)); return true;
	}
	return false;
}
bool FragmentProgramDecompiler::handle_sct(u32 opcode)
{
	switch (opcode)
	{
	case RSX_FP_OPCODE_ADD: SetDst("($0 + $1)"); return true;
	case RSX_FP_OPCODE_DIV: SetDst("($0 / $1)"); return true;
	case RSX_FP_OPCODE_DIVSQ: SetDst("($0 / sqrt($1).xxxx)"); return true;
	case RSX_FP_OPCODE_DP2: SetDst(getFunction(FUNCTION::FUNCTION_DP2)); return true;
	case RSX_FP_OPCODE_DP3: SetDst(getFunction(FUNCTION::FUNCTION_DP3)); return true;
	case RSX_FP_OPCODE_DP4: SetDst(getFunction(FUNCTION::FUNCTION_DP4)); return true;
	case RSX_FP_OPCODE_DP2A: SetDst(getFunction(FUNCTION::FUNCTION_DP2A)); return true;
	case RSX_FP_OPCODE_MAD: SetDst("($0 * $1 + $2)"); return true;
	case RSX_FP_OPCODE_MAX: SetDst("max($0, $1)"); return true;
	case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); return true;
	case RSX_FP_OPCODE_MOV: SetDst("$0"); return true;
	case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); return true;
	case RSX_FP_OPCODE_RCP: SetDst("1.0 / $0"); return true;
	case RSX_FP_OPCODE_RSQ: SetDst("1.f / sqrt($0)"); return true;
	case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); return true;
	case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SGT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SLE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SLT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SNE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_STR: SetDst(getFunction(FUNCTION::FUNCTION_STR)); return true;
	}
	return false;
}
std::string VertexProgramDecompiler::GetDST(bool isSca)
{
	std::string ret;

	std::string mask = GetMask(isSca);

	switch ((isSca && d3.sca_dst_tmp != 0x3f) ? 0x1f : d3.dst)
	{
	case 0x1f:
		ret += m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), std::string("tmp") + std::to_string(isSca ? d3.sca_dst_tmp : d0.dst_tmp)) + mask;
		break;

	default:
		if (d3.dst > 15)
			LOG_ERROR(RSX, "dst index out of range: %u", d3.dst);
		ret += m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), std::string("dst_reg") + std::to_string(d3.dst), d3.dst == 0 ? getFloatTypeName(4) + "(0.0f, 0.0f, 0.0f, 1.0f)" : getFloatTypeName(4) + "(0.0, 0.0, 0.0, 0.0)") + mask;
		// Handle double destination register as 'dst_reg = tmp'
		if (d0.dst_tmp != 0x3f)
			ret += " = " + m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), std::string("tmp") + std::to_string(d0.dst_tmp)) + mask;
		break;
	}

	return ret;
}
bool FragmentProgramDecompiler::handle_scb(u32 opcode)
{
	switch (opcode)
	{
	case RSX_FP_OPCODE_ADD: SetDst("($0 + $1)"); return true;
	case RSX_FP_OPCODE_COS: SetDst("cos($0.xxxx)"); return true;
	case RSX_FP_OPCODE_DIV: SetDst("($0 / $1.xxxx)"); return true;
	// Note: DIVSQ is not IEEE compliant. sqrt(0, 0) is 0 (Super Puzzle Fighter II Turbo HD Remix).
	// sqrt(x, 0) might be equal to some big value (in absolute) whose sign is sign(x) but it has to be proven.
	case RSX_FP_OPCODE_DIVSQ: SetDst("divsq_legacy($0, sqrt($1).xxxx)"); return true;
	case RSX_FP_OPCODE_DP2: SetDst(getFunction(FUNCTION::FUNCTION_DP2)); return true;
	case RSX_FP_OPCODE_DP3: SetDst(getFunction(FUNCTION::FUNCTION_DP3)); return true;
	case RSX_FP_OPCODE_DP4: SetDst(getFunction(FUNCTION::FUNCTION_DP4)); return true;
	case RSX_FP_OPCODE_DP2A: SetDst(getFunction(FUNCTION::FUNCTION_DP2A)); return true;
	case RSX_FP_OPCODE_DST: SetDst("vec4(distance($0, $1))"); return true;
	case RSX_FP_OPCODE_REFL: LOG_ERROR(RSX, "Unimplemented SCB instruction: REFL"); return true; // TODO: Is this in the right category?
	case RSX_FP_OPCODE_EX2: SetDst("exp2($0.xxxx)"); return true;
	case RSX_FP_OPCODE_FLR: SetDst("floor($0)"); return true;
	case RSX_FP_OPCODE_FRC: SetDst(getFunction(FUNCTION::FUNCTION_FRACT)); return true;
	case RSX_FP_OPCODE_LIT: SetDst(getFloatTypeName(4) + "(1.0, $0.x, ($0.x > 0.0 ? exp($0.w * log2($0.y)) : 0.0), 1.0)"); return true;
	case RSX_FP_OPCODE_LIF: SetDst(getFloatTypeName(4) + "(1.0, $0.y, ($0.y > 0 ? pow(2.0, $0.w) : 0.0), 1.0)"); return true;
	case RSX_FP_OPCODE_LRP: LOG_ERROR(RSX, "Unimplemented SCB instruction: LRP"); return true; // TODO: Is this in the right category?
	case RSX_FP_OPCODE_LG2: SetDst("log2($0.xxxx)"); return true;
	case RSX_FP_OPCODE_MAD: SetDst("($0 * $1 + $2)"); return true;
	case RSX_FP_OPCODE_MAX: SetDst("max($0, $1)"); return true;
	case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); return true;
	case RSX_FP_OPCODE_MOV: SetDst("$0"); return true;
	case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); return true;
	case RSX_FP_OPCODE_PK2: SetDst("packSnorm2x16($0)"); return true; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
	case RSX_FP_OPCODE_PK4: SetDst("packSnorm4x8($0)"); return true; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
	case RSX_FP_OPCODE_PK16: LOG_ERROR(RSX, "Unimplemented SCB instruction: PK16"); return true;
	case RSX_FP_OPCODE_PKB: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKB"); return true;
	case RSX_FP_OPCODE_PKG: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKG"); return true;
	case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); return true;
	case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SGT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SIN: SetDst("sin($0.xxxx)"); return true;
	case RSX_FP_OPCODE_SLE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SLT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SNE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_STR: SetDst(getFunction(FUNCTION::FUNCTION_STR)); return true;
	}
	return false;
}
Esempio n. 10
0
void FragmentProgramDecompiler::AddCodeCond(const std::string& dst, const std::string& src)
{
	if (src0.exec_if_gr && src0.exec_if_lt && src0.exec_if_eq)
	{
		AddCode(dst + " = " + src + ";");
		return;
	}

	if (!src0.exec_if_gr && !src0.exec_if_lt && !src0.exec_if_eq)
	{
		AddCode("//" + dst + " = " + src + ";");
		return;
	}

	static const char f[4] = { 'x', 'y', 'z', 'w' };

	std::string swizzle, cond;
	swizzle += f[src0.cond_swizzle_x];
	swizzle += f[src0.cond_swizzle_y];
	swizzle += f[src0.cond_swizzle_z];
	swizzle += f[src0.cond_swizzle_w];
	swizzle = swizzle == "xyzw" ? "" : "." + swizzle;

	if (src0.exec_if_gr && src0.exec_if_eq)
		cond = compareFunction(COMPARE::FUNCTION_SGE, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_lt && src0.exec_if_eq)
		cond = compareFunction(COMPARE::FUNCTION_SLE, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_gr && src0.exec_if_lt)
		cond = compareFunction(COMPARE::FUNCTION_SNE, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_gr)
		cond = compareFunction(COMPARE::FUNCTION_SGT, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else if (src0.exec_if_lt)
		cond = compareFunction(COMPARE::FUNCTION_SLT, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");
	else //if(src0.exec_if_eq)
		cond = compareFunction(COMPARE::FUNCTION_SEQ, AddCond() + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)");

	ShaderVariable dst_var(dst);
	dst_var.symplify();

	//const char *c_mask = f;

	if (dst_var.swizzles[0].length() == 1)
	{
		AddCode("if (" + cond + ".x) " + dst + " = " + src + ";");
	}
	else
	{
		for (int i = 0; i < dst_var.swizzles[0].length(); ++i)
		{
			AddCode("if (" + cond + "." + f[i] + ") " + dst + "." + f[i] + " = " + src + "." + f[i] + ";");
		}
	}
}
Esempio n. 11
0
bool FragmentProgramDecompiler::handle_scb(u32 opcode)
{
	switch (opcode)
	{
	case RSX_FP_OPCODE_ADD: SetDst("($0 + $1)"); return true;
	case RSX_FP_OPCODE_COS: SetDst("cos($0.xxxx)"); return true;
	case RSX_FP_OPCODE_DIVSQ: SetDst("($0 / sqrt($1).xxxx)"); return true;
	case RSX_FP_OPCODE_DP2: SetDst(getFunction(FUNCTION::FUNCTION_DP2)); return true;
	case RSX_FP_OPCODE_DP3: SetDst(getFunction(FUNCTION::FUNCTION_DP3)); return true;
	case RSX_FP_OPCODE_DP4: SetDst(getFunction(FUNCTION::FUNCTION_DP4)); return true;
	case RSX_FP_OPCODE_DP2A: SetDst(getFunction(FUNCTION::FUNCTION_DP2A)); return true;
	case RSX_FP_OPCODE_DST: SetDst("vec4(distance($0, $1))"); return true;
	case RSX_FP_OPCODE_REFL: LOG_ERROR(RSX, "Unimplemented SCB instruction: REFL"); return true; // TODO: Is this in the right category?
	case RSX_FP_OPCODE_EX2: SetDst("exp2($0.xxxx)"); return true;
	case RSX_FP_OPCODE_FLR: SetDst("floor($0)"); return true;
	case RSX_FP_OPCODE_FRC: SetDst(getFunction(FUNCTION::FUNCTION_FRACT)); return true;
	case RSX_FP_OPCODE_LIT: SetDst(getFloatTypeName(4) + "(1.0, $0.x, ($0.x > 0.0 ? exp($0.w * log2($0.y)) : 0.0), 1.0)"); return true;
	case RSX_FP_OPCODE_LIF: SetDst(getFloatTypeName(4) + "(1.0, $0.y, ($0.y > 0 ? pow(2.0, $0.w) : 0.0), 1.0)"); return true;
	case RSX_FP_OPCODE_LRP: LOG_ERROR(RSX, "Unimplemented SCB instruction: LRP"); return true; // TODO: Is this in the right category?
	case RSX_FP_OPCODE_LG2: SetDst("log2($0.xxxx)"); return true;
	case RSX_FP_OPCODE_MAD: SetDst("($0 * $1 + $2)"); return true;
	case RSX_FP_OPCODE_MAX: SetDst("max($0, $1)"); return true;
	case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); return true;
	case RSX_FP_OPCODE_MOV: SetDst("$0"); return true;
	case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); return true;
	case RSX_FP_OPCODE_PK2: SetDst("packSnorm2x16($0)"); return true; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
	case RSX_FP_OPCODE_PK4: SetDst("packSnorm4x8($0)"); return true; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
	case RSX_FP_OPCODE_PK16: LOG_ERROR(RSX, "Unimplemented SCB instruction: PK16"); return true;
	case RSX_FP_OPCODE_PKB: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKB"); return true;
	case RSX_FP_OPCODE_PKG: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKG"); return true;
	case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); return true;
	case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SGT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SIN: SetDst("sin($0.xxxx)"); return true;
	case RSX_FP_OPCODE_SLE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SLT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_SNE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); return true;
	case RSX_FP_OPCODE_STR: SetDst(getFunction(FUNCTION::FUNCTION_STR)); return true;
	}
	return false;
}
Esempio n. 12
0
std::string VertexProgramDecompiler::GetSRC(const u32 n)
{
	static const std::string reg_table[] =
	{
		"in_pos", "in_weight", "in_normal",
		"in_diff_color", "in_spec_color",
		"in_fog",
		"in_point_size", "in_7",
		"in_tc0", "in_tc1", "in_tc2", "in_tc3",
		"in_tc4", "in_tc5", "in_tc6", "in_tc7"
	};

	std::string ret;

	switch (src[n].reg_type)
	{
	case 1: //temp
		ret += m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), "tmp" + std::to_string(src[n].tmp_src));
		break;
	case 2: //input
		if (d1.input_src < (sizeof(reg_table) / sizeof(reg_table[0])))
		{
			ret += m_parr.AddParam(PF_PARAM_IN, getFloatTypeName(4), reg_table[d1.input_src], d1.input_src);
		}
		else
		{
			LOG_ERROR(RSX, "Bad input src num: %d", u32{ d1.input_src });
			ret += m_parr.AddParam(PF_PARAM_IN, getFloatTypeName(4), "in_unk", d1.input_src);
		}
		break;
	case 3: //const
		m_parr.AddParam(PF_PARAM_UNIFORM, getFloatTypeName(4), std::string("vc[468]"));
		ret += std::string("vc[") + std::to_string(d1.const_src) + (d3.index_const ? " + " + AddAddrReg() : "") + "]";
		break;

	default:
		LOG_ERROR(RSX, fmt::format("Bad src%u reg type: %d", n, u32{ src[n].reg_type }));
		Emu.Pause();
		break;
	}

	static const std::string f = "xyzw";

	std::string swizzle;

	swizzle += f[src[n].swz_x];
	swizzle += f[src[n].swz_y];
	swizzle += f[src[n].swz_z];
	swizzle += f[src[n].swz_w];

	if (swizzle != f) ret += '.' + swizzle;

	bool abs = false;

	switch (n)
	{
	case 0: abs = d0.src0_abs; break;
	case 1: abs = d0.src1_abs; break;
	case 2: abs = d0.src2_abs; break;
	}

	if (abs) ret = "abs(" + ret + ")";
	if (src[n].neg) ret = "-" + ret;

	return ret;
}
Esempio n. 13
0
std::string VertexProgramDecompiler::Decompile()
{
	for (unsigned i = 0; i < PF_PARAM_COUNT; i++)
		m_parr.params[i].clear();
	m_instr_count = 0;

	for (int i = 0; i < m_max_instr_count; ++i)
	{
		m_instructions[i].reset();
	}

	bool is_has_BRA = false;

	for (u32 i = 1; m_instr_count < m_max_instr_count; m_instr_count++)
	{
		m_cur_instr = &m_instructions[m_instr_count];

		if (is_has_BRA)
		{
			d3.HEX = m_data[i];
			i += 4;
		}
		else
		{
			d1.HEX = m_data[i++];

			switch (d1.sca_opcode)
			{
			case 0x08: //BRA
				LOG_ERROR(RSX, "BRA found. Please report to RPCS3 team.");
				is_has_BRA = true;
				m_jump_lvls.clear();
				d3.HEX = m_data[++i];
				i += 4;
				break;

			case 0x09: //BRI
				d2.HEX = m_data[i++];
				d3.HEX = m_data[i];
				i += 2;
				m_jump_lvls.emplace(GetAddr());
				break;

			default:
				d3.HEX = m_data[++i];
				i += 2;
				break;
			}
		}

		if (d3.end)
		{
			m_instr_count++;

			if (i < m_data.size())
			{
				LOG_ERROR(RSX, "Program end before buffer end.");
			}

			break;
		}
	}

	uint jump_position = 0;

	if (is_has_BRA || !m_jump_lvls.empty())
	{
		m_cur_instr = &m_instructions[0];
		AddCode("int jump_position = 0;");
		AddCode("while (true)");
		AddCode("{");
		m_cur_instr->open_scopes++;

		AddCode(fmt::format("if (jump_position <= %u)", jump_position++));
		AddCode("{");
		m_cur_instr->open_scopes++;
	}

	for (u32 i = 0; i < m_instr_count; ++i)
	{
		m_cur_instr = &m_instructions[i];

		d0.HEX = m_data[i * 4 + 0];
		d1.HEX = m_data[i * 4 + 1];
		d2.HEX = m_data[i * 4 + 2];
		d3.HEX = m_data[i * 4 + 3];

		src[0].src0l = d2.src0l;
		src[0].src0h = d1.src0h;
		src[1].src1 = d2.src1;
		src[2].src2l = d3.src2l;
		src[2].src2h = d2.src2h;

		if (i && (is_has_BRA || std::find(m_jump_lvls.begin(), m_jump_lvls.end(), i) != m_jump_lvls.end()))
		{
			m_cur_instr->close_scopes++;
			AddCode("}");
			AddCode("");

			AddCode(fmt::format("if (jump_position <= %u)", jump_position++));
			AddCode("{");
			m_cur_instr->open_scopes++;
		}

		if (!d1.sca_opcode && !d1.vec_opcode)
		{
			AddCode("//nop");
		}

		switch (d1.sca_opcode)
		{
		case RSX_SCA_OPCODE_NOP: break;
		case RSX_SCA_OPCODE_MOV: SetDSTSca("$s"); break;
		case RSX_SCA_OPCODE_RCP: SetDSTSca("(1.0 / $s)"); break;
		case RSX_SCA_OPCODE_RCC: SetDSTSca("clamp(1.0 / $s, 5.42101e-20, 1.884467e19)"); break;
		case RSX_SCA_OPCODE_RSQ: SetDSTSca("(1.f / sqrt($s))"); break;
		case RSX_SCA_OPCODE_EXP: SetDSTSca("exp($s)"); break;
		case RSX_SCA_OPCODE_LOG: SetDSTSca("log($s)"); break;
		case RSX_SCA_OPCODE_LIT: SetDSTSca(getFloatTypeName(4) + "(1.0, $s.x, ($s.x > 0.0 ? exp($s.w * log2($s.y)) : 0.0), 1.0)"); break;
		case RSX_SCA_OPCODE_BRA:
		{
			AddCode("$if ($cond)");
			AddCode("{");
			m_cur_instr->open_scopes++;
			AddCode("jump_position = $a$am;");
			AddCode("continue;");
			m_cur_instr->close_scopes++;
			AddCode("}");
		}
		break;
		case RSX_SCA_OPCODE_BRI: // works differently (BRI o[1].x(TR) L0;)
		{
			u32 jump_position = 1;

			if (is_has_BRA)
			{
				jump_position = GetAddr();
			}
			else
			{
				u32 addr = GetAddr();

				for (auto pos : m_jump_lvls)
				{
					if (addr == pos)
						break;

					++jump_position;
				}
			}

			AddCode("$ifcond ");
			AddCode("{");
			m_cur_instr->open_scopes++;
			AddCode(fmt::format("jump_position = %u;", jump_position));
			AddCode("continue;");
			m_cur_instr->close_scopes++;
			AddCode("}");
		}
		break;
		case RSX_SCA_OPCODE_CAL:
			// works same as BRI
			AddCode("$ifcond $f(); //CAL");
			break;
		case RSX_SCA_OPCODE_CLI:
			// works same as BRI
			AddCode("$ifcond $f(); //CLI");
			break;
		case RSX_SCA_OPCODE_RET:
			// works like BRI but shorter (RET o[1].x(TR);)
			AddCode("$ifcond return;");
			break;
		case RSX_SCA_OPCODE_LG2: SetDSTSca("log2($s)"); break;
		case RSX_SCA_OPCODE_EX2: SetDSTSca("exp2($s)"); break;
		case RSX_SCA_OPCODE_SIN: SetDSTSca("sin($s)"); break;
		case RSX_SCA_OPCODE_COS: SetDSTSca("cos($s)"); break;
		case RSX_SCA_OPCODE_BRB:
			// works differently (BRB o[1].x !b0, L0;)
			LOG_ERROR(RSX, "Unimplemented sca_opcode BRB");
			break;
		case RSX_SCA_OPCODE_CLB: break;
			// works same as BRB
			LOG_ERROR(RSX, "Unimplemented sca_opcode CLB");
			break;
		case RSX_SCA_OPCODE_PSH: break;
			// works differently (PSH o[1].x A0;)
			LOG_ERROR(RSX, "Unimplemented sca_opcode PSH");
			break;
		case RSX_SCA_OPCODE_POP: break;
			// works differently (POP o[1].x;)
			LOG_ERROR(RSX, "Unimplemented sca_opcode POP");
			break;

		default:
			AddCode(fmt::format("//Unknown vp sca_opcode 0x%x", u32{ d1.sca_opcode }));
			LOG_ERROR(RSX, "Unknown vp sca_opcode 0x%x", u32{ d1.sca_opcode });
			Emu.Pause();
			break;
		}

		switch (d1.vec_opcode)
		{
		case RSX_VEC_OPCODE_NOP: break;
		case RSX_VEC_OPCODE_MOV: SetDSTVec("$0"); break;
		case RSX_VEC_OPCODE_MUL: SetDSTVec("($0 * $1)"); break;
		case RSX_VEC_OPCODE_ADD: SetDSTVec("($0 + $2)"); break;
		case RSX_VEC_OPCODE_MAD: SetDSTVec("($0 * $1 + $2)"); break;
		case RSX_VEC_OPCODE_DP3: SetDSTVec(getFunction(FUNCTION::FUNCTION_DP3)); break;
		case RSX_VEC_OPCODE_DPH: SetDSTVec(getFunction(FUNCTION::FUNCTION_DPH)); break;
		case RSX_VEC_OPCODE_DP4: SetDSTVec(getFunction(FUNCTION::FUNCTION_DP4)); break;
		case RSX_VEC_OPCODE_DST: SetDSTVec("vec4(distance($0, $1))"); break;
		case RSX_VEC_OPCODE_MIN: SetDSTVec("min($0, $1)"); break;
		case RSX_VEC_OPCODE_MAX: SetDSTVec("max($0, $1)"); break;
		case RSX_VEC_OPCODE_SLT: SetDSTVec(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); break;
		case RSX_VEC_OPCODE_SGE: SetDSTVec(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); break;
			// Note: It looks like ARL opcode ignore input/output swizzle mask (SH3)
		case RSX_VEC_OPCODE_ARL: AddCode("$ifcond $awm = " + getIntTypeName(4) + "($0);");  break;
		case RSX_VEC_OPCODE_FRC: SetDSTVec(getFunction(FUNCTION::FUNCTION_FRACT)); break;
		case RSX_VEC_OPCODE_FLR: SetDSTVec("floor($0)"); break;
		case RSX_VEC_OPCODE_SEQ: SetDSTVec(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); break;
		case RSX_VEC_OPCODE_SFL: SetDSTVec(getFunction(FUNCTION::FUNCTION_SFL)); break;
		case RSX_VEC_OPCODE_SGT: SetDSTVec(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); break;
		case RSX_VEC_OPCODE_SLE: SetDSTVec(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); break;
		case RSX_VEC_OPCODE_SNE: SetDSTVec(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); break;
		case RSX_VEC_OPCODE_STR: SetDSTVec(getFunction(FUNCTION::FUNCTION_STR)); break;
		case RSX_VEC_OPCODE_SSG: SetDSTVec("sign($0)"); break;
		case RSX_VEC_OPCODE_TXL: SetDSTVec("texture($t, $0.xy)"); break;

		default:
			AddCode(fmt::format("//Unknown vp opcode 0x%x", u32{ d1.vec_opcode }));
			LOG_ERROR(RSX, "Unknown vp opcode 0x%x", u32{ d1.vec_opcode });
			Emu.Pause();
			break;
		}
	}

	if (is_has_BRA || !m_jump_lvls.empty())
	{
		m_cur_instr = &m_instructions[m_instr_count - 1];
		m_cur_instr->close_scopes++;
		AddCode("}");
		AddCode("break;");
		m_cur_instr->close_scopes++;
		AddCode("}");
	}

	std::string result = BuildCode();

	m_jump_lvls.clear();
	m_body.clear();
	if (m_funcs.size() > 2)
	{
		m_funcs.erase(m_funcs.begin() + 2, m_funcs.end());
	}
	return result;
}
Esempio n. 14
0
void VertexProgramDecompiler::AddCodeCond(const std::string& dst, const std::string& src)
{
	enum
	{
		lt = 0x1,
		eq = 0x2,
		gt = 0x4,
	};


	if (!d0.cond_test_enable || d0.cond == (lt | gt | eq))
	{
		AddCode(dst + " = " + src + ";");
		return;
	}

	if (d0.cond == 0)
	{
		AddCode("//" + dst + " = " + src + ";");
		return;
	}

	static const COMPARE cond_string_table[(lt | gt | eq) + 1] =
	{
		COMPARE::FUNCTION_SLT, // "error"
		COMPARE::FUNCTION_SLT,
		COMPARE::FUNCTION_SEQ,
		COMPARE::FUNCTION_SLE,
		COMPARE::FUNCTION_SGT,
		COMPARE::FUNCTION_SNE,
		COMPARE::FUNCTION_SGE,
	};

	static const char f[4] = { 'x', 'y', 'z', 'w' };

	std::string swizzle;
	swizzle += f[d0.mask_x];
	swizzle += f[d0.mask_y];
	swizzle += f[d0.mask_z];
	swizzle += f[d0.mask_w];

	swizzle = swizzle == "xyzw" ? "" : "." + swizzle;

	std::string cond = compareFunction(cond_string_table[d0.cond], "cc" + std::to_string(d0.cond_reg_sel_1) + swizzle.c_str(), getFloatTypeName(4) + "(0., 0., 0., 0.)");

	ShaderVariable dst_var(dst);
	dst_var.symplify();

	//const char *c_mask = f;

	if (dst_var.swizzles[0].length() == 1)
	{
		AddCode("if (" + cond + ".x) " + dst + " = " + src + ";");
	}
	else
	{
		for (int i = 0; i < dst_var.swizzles[0].length(); ++i)
		{
			AddCode("if (" + cond + "." + f[i] + ") " + dst + "." + f[i] + " = " + src + "." + f[i] + ";");
		}
	}
}
Esempio n. 15
0
std::string VertexProgramDecompiler::GetCond()
{
	enum
	{
		lt = 0x1,
		eq = 0x2,
		gt = 0x4,
	};

	if (d0.cond == 0) return "false";
	if (d0.cond == (lt | gt | eq)) return "true";

	static const COMPARE cond_string_table[(lt | gt | eq) + 1] =
	{
		COMPARE::FUNCTION_SLT, // "error"
		COMPARE::FUNCTION_SLT,
		COMPARE::FUNCTION_SEQ,
		COMPARE::FUNCTION_SLE,
		COMPARE::FUNCTION_SGT,
		COMPARE::FUNCTION_SNE,
		COMPARE::FUNCTION_SGE,
	};

	static const char f[4] = { 'x', 'y', 'z', 'w' };

	std::string swizzle;
	swizzle += f[d0.mask_x];
	swizzle += f[d0.mask_y];
	swizzle += f[d0.mask_z];
	swizzle += f[d0.mask_w];

	swizzle = swizzle == "xyzw" ? "" : "." + swizzle;
	return "any(" + compareFunction(cond_string_table[d0.cond], "cc" + std::to_string(d0.cond_reg_sel_1) + swizzle, getFloatTypeName(4) + "(0., 0., 0., 0.)" + swizzle) + ")";
}
Esempio n. 16
0
std::string FragmentProgramDecompiler::AddCond()
{
	return m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), "cc" + std::to_string(src0.cond_reg_index));
}
std::string VertexProgramDecompiler::AddAddrReg()
{
	static const char f[] = { 'x', 'y', 'z', 'w' };
	return m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), "a" + std::to_string(d0.addr_reg_sel_1), getFloatTypeName(4) + "(0, 0, 0, 0)") + AddAddrMask();
}
Esempio n. 18
0
bool FragmentProgramDecompiler::HasReg(u32 index, int fp16)
{
	return m_parr.HasParam(PF_PARAM_NONE, getFloatTypeName(4),
		std::string(fp16 ? "h" : "r") + std::to_string(index));
}
Esempio n. 19
0
std::string FragmentProgramDecompiler::AddReg(u32 index, int fp16)
{
	return m_parr.AddParam(PF_PARAM_NONE, getFloatTypeName(4), std::string(fp16 ? "h" : "r") + std::to_string(index), getFloatTypeName(4) + "(0., 0., 0., 0.)");
}
Esempio n. 20
0
std::string FragmentProgramDecompiler::Decompile()
{
	auto data = vm::ps3::ptr<u32>::make(m_addr);
	m_size = 0;
	m_location = 0;
	m_loop_count = 0;
	m_code_level = 1;

	enum
	{
		FORCE_NONE,
		FORCE_SCT,
		FORCE_SCB,
	};

	int forced_unit = FORCE_NONE;

	while (true)
	{
		for (auto finded = std::find(m_end_offsets.begin(), m_end_offsets.end(), m_size);
		finded != m_end_offsets.end();
			finded = std::find(m_end_offsets.begin(), m_end_offsets.end(), m_size))
		{
			m_end_offsets.erase(finded);
			m_code_level--;
			AddCode("}");
			m_loop_count--;
		}

		for (auto finded = std::find(m_else_offsets.begin(), m_else_offsets.end(), m_size);
		finded != m_else_offsets.end();
			finded = std::find(m_else_offsets.begin(), m_else_offsets.end(), m_size))
		{
			m_else_offsets.erase(finded);
			m_code_level--;
			AddCode("}");
			AddCode("else");
			AddCode("{");
			m_code_level++;
		}

		dst.HEX = GetData(data[0]);
		src0.HEX = GetData(data[1]);
		src1.HEX = GetData(data[2]);
		src2.HEX = GetData(data[3]);

		m_offset = 4 * sizeof(u32);

		const u32 opcode = dst.opcode | (src1.opcode_is_branch << 6);

		auto SCT = [&]()
		{
			switch (opcode)
			{
			case RSX_FP_OPCODE_ADD: SetDst("($0 + $1)"); break;
			case RSX_FP_OPCODE_DIV: SetDst("($0 / $1)"); break;
			case RSX_FP_OPCODE_DIVSQ: SetDst("($0 / sqrt($1).xxxx)"); break;
			case RSX_FP_OPCODE_DP2: SetDst(getFunction(FUNCTION::FUNCTION_DP2)); break;
			case RSX_FP_OPCODE_DP3: SetDst(getFunction(FUNCTION::FUNCTION_DP3)); break;
			case RSX_FP_OPCODE_DP4: SetDst(getFunction(FUNCTION::FUNCTION_DP4)); break;
			case RSX_FP_OPCODE_DP2A: SetDst(getFunction(FUNCTION::FUNCTION_DP2A)); break;
			case RSX_FP_OPCODE_MAD: SetDst("($0 * $1 + $2)"); break;
			case RSX_FP_OPCODE_MAX: SetDst("max($0, $1)"); break;
			case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); break;
			case RSX_FP_OPCODE_MOV: SetDst("$0"); break;
			case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); break;
			case RSX_FP_OPCODE_RCP: SetDst("1.0 / $0"); break;
			case RSX_FP_OPCODE_RSQ: SetDst("1.f / sqrt($0)"); break;
			case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); break;
			case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SGT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SLE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SLT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SNE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_STR: SetDst(getFunction(FUNCTION::FUNCTION_STR)); break;

			default:
				return false;
			}

			return true;
		};

		auto SCB = [&]()
		{
			switch (opcode)
			{
			case RSX_FP_OPCODE_ADD: SetDst("($0 + $1)"); break;
			case RSX_FP_OPCODE_COS: SetDst("cos($0.xxxx)"); break;
			case RSX_FP_OPCODE_DP2: SetDst(getFunction(FUNCTION::FUNCTION_DP2)); break;
			case RSX_FP_OPCODE_DP3: SetDst(getFunction(FUNCTION::FUNCTION_DP3)); break;
			case RSX_FP_OPCODE_DP4: SetDst(getFunction(FUNCTION::FUNCTION_DP4)); break;
			case RSX_FP_OPCODE_DP2A: SetDst(getFunction(FUNCTION::FUNCTION_DP2A)); break;
			case RSX_FP_OPCODE_DST: SetDst("vec4(distance($0, $1))"); break;
			case RSX_FP_OPCODE_REFL: LOG_ERROR(RSX, "Unimplemented SCB instruction: REFL"); break; // TODO: Is this in the right category?
			case RSX_FP_OPCODE_EX2: SetDst("exp2($0.xxxx)"); break;
			case RSX_FP_OPCODE_FLR: SetDst("floor($0)"); break;
			case RSX_FP_OPCODE_FRC: SetDst(getFunction(FUNCTION::FUNCTION_FRACT)); break;
			case RSX_FP_OPCODE_LIT: SetDst(getFloatTypeName(4) + "(1.0, $0.x, ($0.x > 0.0 ? exp($0.w * log2($0.y)) : 0.0), 1.0)"); break;
			case RSX_FP_OPCODE_LIF: SetDst(getFloatTypeName(4) + "(1.0, $0.y, ($0.y > 0 ? pow(2.0, $0.w) : 0.0), 1.0)"); break;
			case RSX_FP_OPCODE_LRP: LOG_ERROR(RSX, "Unimplemented SCB instruction: LRP"); break; // TODO: Is this in the right category?
			case RSX_FP_OPCODE_LG2: SetDst("log2($0.xxxx)"); break;
			case RSX_FP_OPCODE_MAD: SetDst("($0 * $1 + $2)"); break;
			case RSX_FP_OPCODE_MAX: SetDst("max($0, $1)"); break;
			case RSX_FP_OPCODE_MIN: SetDst("min($0, $1)"); break;
			case RSX_FP_OPCODE_MOV: SetDst("$0"); break;
			case RSX_FP_OPCODE_MUL: SetDst("($0 * $1)"); break;
			case RSX_FP_OPCODE_PK2: SetDst("packSnorm2x16($0)"); break; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
			case RSX_FP_OPCODE_PK4: SetDst("packSnorm4x8($0)"); break; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
			case RSX_FP_OPCODE_PK16: LOG_ERROR(RSX, "Unimplemented SCB instruction: PK16"); break;
			case RSX_FP_OPCODE_PKB: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKB"); break;
			case RSX_FP_OPCODE_PKG: LOG_ERROR(RSX, "Unimplemented SCB instruction: PKG"); break;
			case RSX_FP_OPCODE_SEQ: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SEQ, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SFL: SetDst(getFunction(FUNCTION::FUNCTION_SFL)); break;
			case RSX_FP_OPCODE_SGE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGE, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SGT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SGT, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SIN: SetDst("sin($0.xxxx)"); break;
			case RSX_FP_OPCODE_SLE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLE, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SLT: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SLT, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_SNE: SetDst(getFloatTypeName(4) + "(" + compareFunction(COMPARE::FUNCTION_SNE, "$0", "$1") + ")"); break;
			case RSX_FP_OPCODE_STR: SetDst(getFunction(FUNCTION::FUNCTION_STR)); break;

			default:
				return false;
			}

			return true;
		};

		auto TEX_SRB = [&]()
		{
			switch (opcode)
			{
			case RSX_FP_OPCODE_DDX: SetDst(getFunction(FUNCTION::FUNCTION_DFDX)); break;
			case RSX_FP_OPCODE_DDY: SetDst(getFunction(FUNCTION::FUNCTION_DFDY)); break;
			case RSX_FP_OPCODE_NRM: SetDst("normalize($0)"); break;
			case RSX_FP_OPCODE_BEM: LOG_ERROR(RSX, "Unimplemented TEX_SRB instruction: BEM"); break;
			case RSX_FP_OPCODE_TEX: SetDst(getFunction(FUNCTION::FUNCTION_TEXTURE_SAMPLE));  break;
			case RSX_FP_OPCODE_TEXBEM: SetDst("texture($t, $0.xy, $1.x)"); break;
			case RSX_FP_OPCODE_TXP: SetDst("textureProj($t, $0.xyz, $1.x)"); break; //TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478) and The Simpsons Arcade Game (NPUB30563))
			case RSX_FP_OPCODE_TXPBEM: SetDst("textureProj($t, $0.xyz, $1.x)"); break;
			case RSX_FP_OPCODE_TXD: LOG_ERROR(RSX, "Unimplemented TEX_SRB instruction: TXD"); break;
			case RSX_FP_OPCODE_TXB: SetDst("texture($t, $0.xy, $1.x)"); break;
			case RSX_FP_OPCODE_TXL: SetDst("textureLod($t, $0.xy, $1.x)"); break;
			case RSX_FP_OPCODE_UP2: SetDst("unpackSnorm2x16($0)"); break; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
			case RSX_FP_OPCODE_UP4: SetDst("unpackSnorm4x8($0)"); break; // TODO: More testing (Sonic The Hedgehog (NPUB-30442/NPEB-00478))
			case RSX_FP_OPCODE_UP16: LOG_ERROR(RSX, "Unimplemented TEX_SRB instruction: UP16"); break;
			case RSX_FP_OPCODE_UPB: LOG_ERROR(RSX, "Unimplemented TEX_SRB instruction: UPB"); break;
			case RSX_FP_OPCODE_UPG: LOG_ERROR(RSX, "Unimplemented TEX_SRB instruction: UPG"); break;

			default:
				return false;
			}

			return true;
		};

		auto SIP = [&]()
		{
			switch (opcode)
			{
			case RSX_FP_OPCODE_BRK: SetDst("break"); break;
			case RSX_FP_OPCODE_CAL: LOG_ERROR(RSX, "Unimplemented SIP instruction: CAL"); break;
			case RSX_FP_OPCODE_FENCT: forced_unit = FORCE_SCT; break;
			case RSX_FP_OPCODE_FENCB: forced_unit = FORCE_SCB; break;
			case RSX_FP_OPCODE_IFE:
				AddCode("if($cond)");
				if (src2.end_offset != src1.else_offset)
					m_else_offsets.push_back(src1.else_offset << 2);
				m_end_offsets.push_back(src2.end_offset << 2);
				AddCode("{");
				m_code_level++;
				break;
			case RSX_FP_OPCODE_LOOP:
				if (!src0.exec_if_eq && !src0.exec_if_gr && !src0.exec_if_lt)
				{
					AddCode(fmt::Format("$ifcond for(int i%u = %u; i%u < %u; i%u += %u) {} //-> %u //LOOP",
						m_loop_count, src1.init_counter, m_loop_count, src1.end_counter, m_loop_count, src1.increment, src2.end_offset));
				}
				else
				{
					AddCode(fmt::Format("$ifcond for(int i%u = %u; i%u < %u; i%u += %u) //LOOP",
						m_loop_count, src1.init_counter, m_loop_count, src1.end_counter, m_loop_count, src1.increment));
					m_loop_count++;
					m_end_offsets.push_back(src2.end_offset << 2);
					AddCode("{");
					m_code_level++;
				}
				break;
			case RSX_FP_OPCODE_REP:
				if (!src0.exec_if_eq && !src0.exec_if_gr && !src0.exec_if_lt)
				{
					AddCode(fmt::Format("$ifcond for(int i%u = %u; i%u < %u; i%u += %u) {} //-> %u //REP",
						m_loop_count, src1.init_counter, m_loop_count, src1.end_counter, m_loop_count, src1.increment, src2.end_offset));
				}
				else
				{
					AddCode(fmt::Format("if($cond) for(int i%u = %u; i%u < %u; i%u += %u) //REP",
						m_loop_count, src1.init_counter, m_loop_count, src1.end_counter, m_loop_count, src1.increment));
					m_loop_count++;
					m_end_offsets.push_back(src2.end_offset << 2);
					AddCode("{");
					m_code_level++;
				}
				break;
			case RSX_FP_OPCODE_RET: SetDst("return"); break;

			default:
				return false;
			}

			return true;
		};

		switch (opcode)
		{
		case RSX_FP_OPCODE_NOP: break;
		case RSX_FP_OPCODE_KIL: SetDst("discard", false); break;

		default:
			if (forced_unit == FORCE_NONE)
			{
				if (SIP()) break;
				if (SCT()) break;
				if (TEX_SRB()) break;
				if (SCB()) break;
			}
			else if (forced_unit == FORCE_SCT)
			{
				forced_unit = FORCE_NONE;
				if (SCT()) break;
			}
			else if (forced_unit == FORCE_SCB)
			{
				forced_unit = FORCE_NONE;
				if (SCB()) break;
			}

			LOG_ERROR(RSX, "Unknown/illegal instruction: 0x%x (forced unit %d)", opcode, forced_unit);
			break;
		}

		m_size += m_offset;

		if (dst.end) break;

		assert(m_offset % sizeof(u32) == 0);
		data += m_offset / sizeof(u32);
	}

	// flush m_code_level
	m_code_level = 1;
	std::string m_shader = BuildCode();
	main.clear();
	//	m_parr.params.clear();
	return m_shader;
}
Esempio n. 21
0
template<typename T> std::string FragmentProgramDecompiler::GetSRC(T src)
{
	std::string ret;

	switch (src.reg_type)
	{
	case 0: //tmp
		ret += AddReg(src.tmp_reg_index, src.fp16);
		break;

	case 1: //input
	{
		static const std::string reg_table[] =
		{
			"gl_Position",
			"diff_color", "spec_color",
			"fogc",
			"tc0", "tc1", "tc2", "tc3", "tc4", "tc5", "tc6", "tc7", "tc8", "tc9",
			"ssa"
		};

		switch (dst.src_attr_reg_num)
		{
		case 0x00: ret += reg_table[0]; break;
		default:
			if (dst.src_attr_reg_num < sizeof(reg_table) / sizeof(reg_table[0]))
			{
				ret += m_parr.AddParam(PF_PARAM_IN, getFloatTypeName(4), reg_table[dst.src_attr_reg_num]);
			}
			else
			{
				LOG_ERROR(RSX, "Bad src reg num: %d", u32{ dst.src_attr_reg_num });
				ret += m_parr.AddParam(PF_PARAM_IN, getFloatTypeName(4), "unk");
				Emu.Pause();
			}
			break;
		}
	}
	break;

	case 2: //const
		ret += AddConst();
		break;

	case 3: // ??? Used by a few games, what is it?
		LOG_ERROR(RSX, "Src type 3 used, please report this to a developer.");
		break;

	default:
		LOG_ERROR(RSX, "Bad src type %d", u32{ src.reg_type });
		Emu.Pause();
		break;
	}

	static const char f[4] = { 'x', 'y', 'z', 'w' };

	std::string swizzle = "";
	swizzle += f[src.swizzle_x];
	swizzle += f[src.swizzle_y];
	swizzle += f[src.swizzle_z];
	swizzle += f[src.swizzle_w];

	if (strncmp(swizzle.c_str(), f, 4) != 0) ret += "." + swizzle;

	if (src.abs) ret = "abs(" + ret + ")";
	if (src.neg) ret = "-" + ret;

	return ret;
}