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MSL cast down workaround

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Explicitly adds single component swizzle for narrowing vector to scalar conversion

Signed-off-by: Isaac Marovitz <isaacryu@icloud.com>
This commit is contained in:
Isaac Marovitz 2025-03-25 19:39:05 -04:00
parent 85c3c83fa7
commit 88196ee508
No known key found for this signature in database
GPG key ID: 97250B2B09A132E1
1 changed files with 210 additions and 98 deletions
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282
XenosRecomp/shader_recompiler.cpp
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@ -417,6 +417,12 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
SCALAR_CONSTANT_1
};
struct OperationResult
{
std::string expression;
size_t componentCount;
};
auto op = [&](size_t operand)
{
size_t reg = 0;
@ -521,16 +527,16 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
}
}
std::string result;
OperationResult opResult {};
if (negate)
result += '-';
opResult.expression += '-';
if (abs)
result += "abs(";
opResult.expression += "abs(";
result += regFormatted;
result += '.';
opResult.expression += regFormatted;
opResult.expression += '.';
switch (operand)
{
@ -562,8 +568,10 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
for (size_t i = 0; i < 4; i++)
{
if ((mask >> i) & 0x1)
result += SWIZZLES[((swizzle >> (i * 2)) + i) & 0x3];
if ((mask >> i) & 0x1) {
opResult.componentCount++;
opResult.expression += SWIZZLES[((swizzle >> (i * 2)) + i) & 0x3];
}
}
break;
@ -571,41 +579,43 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
case SCALAR_0:
case SCALAR_CONSTANT_0:
result += SWIZZLES[((swizzle >> 6) + 3) & 0x3];
opResult.componentCount = 1;
opResult.expression += SWIZZLES[((swizzle >> 6) + 3) & 0x3];
break;
case SCALAR_1:
case SCALAR_CONSTANT_1:
result += SWIZZLES[swizzle & 0x3];
opResult.componentCount = 1;
opResult.expression += SWIZZLES[swizzle & 0x3];
break;
}
if (abs)
result += ")";
opResult.expression += ")";
return result;
return opResult;
};
switch (instr.vectorOpcode)
{
case AluVectorOpcode::KillEq:
indent();
println("clip(any({} == {}) ? -1 : 1);", op(VECTOR_0), op(VECTOR_1));
println("clip(any({} == {}) ? -1 : 1);", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::KillGt:
indent();
println("clip(any({} > {}) ? -1 : 1);", op(VECTOR_0), op(VECTOR_1));
println("clip(any({} > {}) ? -1 : 1);", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::KillGe:
indent();
println("clip(any({} >= {}) ? -1 : 1);", op(VECTOR_0), op(VECTOR_1));
println("clip(any({} >= {}) ? -1 : 1);", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::KillNe:
indent();
println("clip(any({} != {}) ? -1 : 1);", op(VECTOR_0), op(VECTOR_1));
println("clip(any({} != {}) ? -1 : 1);", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
}
@ -674,7 +684,7 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
if (instr.vectorOpcode >= AluVectorOpcode::SetpEqPush && instr.vectorOpcode <= AluVectorOpcode::SetpGePush)
{
indent();
print("p0 = {} == 0.0 && {} ", op(VECTOR_0), op(VECTOR_1));
print("p0 = {} == 0.0 && {} ", op(VECTOR_0).expression, op(VECTOR_1).expression);
switch (instr.vectorOpcode)
{
@ -697,7 +707,7 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
else if (instr.vectorOpcode >= AluVectorOpcode::MaxA)
{
indent();
println("a0 = (int)clamp(floor(({}).w + 0.5), -256.0, 255.0);", op(VECTOR_0));
println("a0 = (int)clamp(floor(({}).w + 0.5), -256.0, 255.0);", op(VECTOR_0).expression);
}
uint32_t vectorWriteMask = instr.vectorWriteMask;
@ -732,87 +742,169 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
out += " = ";
bool scalarRegWrite = vectorWriteSize <= 1;
if (vectorWriteSize > 1)
print("(float{})(", vectorWriteSize);
else
out += "(float)(";
out += "(float)((";
if (instr.vectorSaturate)
out += "saturate(";
size_t operationResultComponentCount;
switch (instr.vectorOpcode)
{
case AluVectorOpcode::Add:
print("{} + {}", op(VECTOR_0), op(VECTOR_1));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
operationResultComponentCount = std::max(v0.componentCount, v1.componentCount);
print("{} + {}", v0.expression, v1.expression);
break;
}
case AluVectorOpcode::Mul:
print("{} * {}", op(VECTOR_0), op(VECTOR_1));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
operationResultComponentCount = std::max(v0.componentCount, v1.componentCount);
print("{} * {}", v0.expression, v1.expression);
break;
}
case AluVectorOpcode::Max:
case AluVectorOpcode::MaxA:
print("max({}, {})", op(VECTOR_0), op(VECTOR_1));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
operationResultComponentCount = v0.componentCount;
print("max({}, {})", v0.expression, v1.expression);
break;
}
case AluVectorOpcode::Min:
print("min({}, {})", op(VECTOR_0), op(VECTOR_1));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
operationResultComponentCount = v0.componentCount;
print("min({}, {})", v0.expression, v1.expression);
break;
}
case AluVectorOpcode::Seq:
print("{} == {}", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("{} == {}", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::Sgt:
print("{} > {}", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("{} > {}", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::Sge:
print("{} >= {}", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("{} >= {}", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::Sne:
print("{} != {}", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("{} != {}", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::Frc:
print("frac({})", op(VECTOR_0));
{
auto v0 = op(VECTOR_0);
operationResultComponentCount = v0.componentCount;
print("frac({})", v0.expression);
break;
}
case AluVectorOpcode::Trunc:
print("trunc({})", op(VECTOR_0));
{
auto v0 = op(VECTOR_0);
operationResultComponentCount = v0.componentCount;
print("trunc({})", v0.expression);
break;
}
case AluVectorOpcode::Floor:
print("floor({})", op(VECTOR_0));
{
auto v0 = op(VECTOR_0);
operationResultComponentCount = v0.componentCount;
print("floor({})", v0.expression);
break;
}
case AluVectorOpcode::Mad:
print("{} * {} + {}", op(VECTOR_0), op(VECTOR_1), op(VECTOR_2));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
auto v2 = op(VECTOR_2);
operationResultComponentCount = std::max(std::max(v0.componentCount, v1.componentCount), v2.componentCount);
print("{} * {} + {}", v0.expression, v1.expression, v2.expression);
break;
}
case AluVectorOpcode::CndEq:
print("selectWrapper({} == 0.0, {}, {})", op(VECTOR_0), op(VECTOR_1), op(VECTOR_2));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
auto v2 = op(VECTOR_2);
operationResultComponentCount = std::max(v1.componentCount, v2.componentCount);
print("selectWrapper({} == 0.0, {}, {})", v0.expression, v1.expression, v2.expression);
break;
}
case AluVectorOpcode::CndGe:
print("selectWrapper({} >= 0.0, {}, {})", op(VECTOR_0), op(VECTOR_1), op(VECTOR_2));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
auto v2 = op(VECTOR_2);
operationResultComponentCount = std::max(v1.componentCount, v2.componentCount);
print("selectWrapper({} >= 0.0, {}, {})", v0.expression, v1.expression, v2.expression);
break;
}
case AluVectorOpcode::CndGt:
print("selectWrapper({} > 0.0, {}, {})", op(VECTOR_0), op(VECTOR_1), op(VECTOR_2));
{
auto v0 = op(VECTOR_0);
auto v1 = op(VECTOR_1);
auto v2 = op(VECTOR_2);
operationResultComponentCount = std::max(v1.componentCount, v2.componentCount);
print("selectWrapper({} > 0.0, {}, {})", v0.expression, v1.expression, v2.expression);
break;
}
case AluVectorOpcode::Dp4:
case AluVectorOpcode::Dp3:
print("dot({}, {})", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("dot({}, {})", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::Dp2Add:
print("dot({}, {}) + {}", op(VECTOR_0), op(VECTOR_1), op(VECTOR_2));
{
auto v2 = op(VECTOR_2);
operationResultComponentCount = v2.componentCount;
print("dot({}, {}) + {}", op(VECTOR_0).expression, op(VECTOR_1).expression, v2.expression);
break;
}
case AluVectorOpcode::Cube:
operationResultComponentCount = 4;
println("\n#ifdef __air__");
indent();
print("cube(r{}, &cubeMapData)", instr.src1Register);
@ -823,41 +915,61 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
break;
case AluVectorOpcode::Max4:
print("max4({})", op(VECTOR_0));
operationResultComponentCount = 4;
print("max4({})", op(VECTOR_0).expression);
break;
case AluVectorOpcode::SetpEqPush:
case AluVectorOpcode::SetpNePush:
case AluVectorOpcode::SetpGtPush:
case AluVectorOpcode::SetpGePush:
print("p0 ? 0.0 : {} + 1.0", op(VECTOR_0));
{
auto v0 = op(VECTOR_0);
operationResultComponentCount = v0.componentCount;
print("p0 ? 0.0 : {} + 1.0", v0.expression);
break;
}
case AluVectorOpcode::KillEq:
print("any({} == {})", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("any({} == {})", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::KillGt:
print("any({} > {})", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("any({} > {})", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::KillGe:
print("any({} >= {})", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("any({} >= {})", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::KillNe:
print("any({} != {})", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 1;
print("any({} != {})", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
case AluVectorOpcode::Dst:
print("dst({}, {})", op(VECTOR_0), op(VECTOR_1));
operationResultComponentCount = 4;
print("dst({}, {})", op(VECTOR_0).expression, op(VECTOR_1).expression);
break;
}
out += ")";
if (scalarRegWrite) {
if (operationResultComponentCount > 1)
out += ".x";
out += ")";
}
if (instr.vectorSaturate)
out += ')';
out += ");\n";
out += ";\n";
}
if (instr.scalarOpcode != AluScalarOpcode::RetainPrev)
@ -870,27 +982,27 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
switch (instr.scalarOpcode)
{
case AluScalarOpcode::SetpEq:
print("{} == 0.0", op(SCALAR_0));
print("{} == 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpNe:
print("{} != 0.0", op(SCALAR_0));
print("{} != 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpGt:
print("{} > 0.0", op(SCALAR_0));
print("{} > 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpGe:
print("{} >= 0.0", op(SCALAR_0));
print("{} >= 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpInv:
print("{} == 1.0", op(SCALAR_0));
print("{} == 1.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpPop:
print("{} - 1.0 <= 0.0", op(SCALAR_0));
print("{} - 1.0 <= 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpClr:
@ -898,7 +1010,7 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
break;
case AluScalarOpcode::SetpRstr:
print("{} == 0.0", op(SCALAR_0));
print("{} == 0.0", op(SCALAR_0).expression);
break;
}
@ -913,87 +1025,87 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
switch (instr.scalarOpcode)
{
case AluScalarOpcode::Adds:
print("{} + {}", op(SCALAR_0), op(SCALAR_1));
print("{} + {}", op(SCALAR_0).expression, op(SCALAR_1).expression);
break;
case AluScalarOpcode::AddsPrev:
print("{} + ps", op(SCALAR_0));
print("{} + ps", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Muls:
print("{} * {}", op(SCALAR_0), op(SCALAR_1));
print("{} * {}", op(SCALAR_0).expression, op(SCALAR_1).expression);
break;
case AluScalarOpcode::MulsPrev:
case AluScalarOpcode::MulsPrev2:
print("{} * ps", op(SCALAR_0));
print("{} * ps", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Maxs:
case AluScalarOpcode::MaxAs:
case AluScalarOpcode::MaxAsf:
print("max({}, {})", op(SCALAR_0), op(SCALAR_1));
print("max({}, {})", op(SCALAR_0).expression, op(SCALAR_1).expression);
break;
case AluScalarOpcode::Mins:
print("min({}, {})", op(SCALAR_0), op(SCALAR_1));
print("min({}, {})", op(SCALAR_0).expression, op(SCALAR_1).expression);
break;
case AluScalarOpcode::Seqs:
print("{} == 0.0", op(SCALAR_0));
print("{} == 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Sgts:
print("{} > 0.0", op(SCALAR_0));
print("{} > 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Sges:
print("{} >= 0.0", op(SCALAR_0));
print("{} >= 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Snes:
print("{} != 0.0", op(SCALAR_0));
print("{} != 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Frcs:
print("frac({})", op(SCALAR_0));
print("frac({})", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Truncs:
print("trunc({})", op(SCALAR_0));
print("trunc({})", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Floors:
print("floor({})", op(SCALAR_0));
print("floor({})", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Exp:
print("exp2({})", op(SCALAR_0));
print("exp2({})", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Logc:
case AluScalarOpcode::Log:
print("clamp(log2({}), FLT_MIN, FLT_MAX)", op(SCALAR_0));
print("clamp(log2({}), FLT_MIN, FLT_MAX)", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Rcpc:
case AluScalarOpcode::Rcpf:
case AluScalarOpcode::Rcp:
print("clamp(rcp({}), FLT_MIN, FLT_MAX)", op(SCALAR_0));
print("clamp(rcp({}), FLT_MIN, FLT_MAX)", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Rsqc:
case AluScalarOpcode::Rsqf:
case AluScalarOpcode::Rsq:
print("clamp(rsqrt({}), FLT_MIN, FLT_MAX)", op(SCALAR_0));
print("clamp(rsqrt({}), FLT_MIN, FLT_MAX)", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Subs:
print("{} - {}", op(SCALAR_0), op(SCALAR_1));
print("{} - {}", op(SCALAR_0).expression, op(SCALAR_1).expression);
break;
case AluScalarOpcode::SubsPrev:
print("{} - ps", op(SCALAR_0));
print("{} - ps", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpEq:
@ -1004,11 +1116,11 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
break;
case AluScalarOpcode::SetpInv:
print("{0} == 0.0 ? 1.0 : {0}", op(SCALAR_0));
print("{0} == 0.0 ? 1.0 : {0}", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpPop:
print("p0 ? 0.0 : ({} - 1.0)", op(SCALAR_0));
print("p0 ? 0.0 : ({} - 1.0)", op(SCALAR_0).expression);
break;
case AluScalarOpcode::SetpClr:
@ -1016,54 +1128,54 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
break;
case AluScalarOpcode::SetpRstr:
print("p0 ? 0.0 : {}", op(SCALAR_0));
print("p0 ? 0.0 : {}", op(SCALAR_0).expression);
break;
case AluScalarOpcode::KillsEq:
print("{} == 0.0", op(SCALAR_0));
print("{} == 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::KillsGt:
print("{} > 0.0", op(SCALAR_0));
print("{} > 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::KillsGe:
print("{} >= 0.0", op(SCALAR_0));
print("{} >= 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::KillsNe:
print("{} != 0.0", op(SCALAR_0));
print("{} != 0.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::KillsOne:
print("{} == 1.0", op(SCALAR_0));
print("{} == 1.0", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Sqrt:
print("sqrt({})", op(SCALAR_0));
print("sqrt({})", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Mulsc0:
case AluScalarOpcode::Mulsc1:
print("{} * {}", op(SCALAR_CONSTANT_0), op(SCALAR_CONSTANT_1));
print("{} * {}", op(SCALAR_CONSTANT_0).expression, op(SCALAR_CONSTANT_1).expression);
break;
case AluScalarOpcode::Addsc0:
case AluScalarOpcode::Addsc1:
print("{} + {}", op(SCALAR_CONSTANT_0), op(SCALAR_CONSTANT_1));
print("{} + {}", op(SCALAR_CONSTANT_0).expression, op(SCALAR_CONSTANT_1).expression);
break;
case AluScalarOpcode::Subsc0:
case AluScalarOpcode::Subsc1:
print("{} - {}", op(SCALAR_CONSTANT_0), op(SCALAR_CONSTANT_1));
print("{} - {}", op(SCALAR_CONSTANT_0).expression, op(SCALAR_CONSTANT_1).expression);
break;
case AluScalarOpcode::Sin:
print("sin({})", op(SCALAR_0));
print("sin({})", op(SCALAR_0).expression);
break;
case AluScalarOpcode::Cos:
print("cos({})", op(SCALAR_0));
print("cos({})", op(SCALAR_0).expression);
break;
}
@ -1076,11 +1188,11 @@ void ShaderRecompiler::recompile(const AluInstruction& instr)
{
case AluScalarOpcode::MaxAs:
indent();
println("a0 = (int)clamp(floor({} + 0.5), -256.0, 255.0);", op(SCALAR_0));
println("a0 = (int)clamp(floor({} + 0.5), -256.0, 255.0);", op(SCALAR_0).expression);
break;
case AluScalarOpcode::MaxAsf:
indent();
println("a0 = (int)clamp(floor({}), -256.0, 255.0);", op(SCALAR_0));
println("a0 = (int)clamp(floor({}), -256.0, 255.0);", op(SCALAR_0).expression);
break;
}
}