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[SPIR-V] Remaining scalar ALU instructions

This commit is contained in:
Triang3l 2020-11-01 22:30:05 +03:00
parent cb35aaf13b
commit de8b0a85ac
1 changed files with 43 additions and 7 deletions
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50
src/xenia/gpu/spirv_shader_translator_alu.cc
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@ -1006,10 +1006,10 @@ spv::Id SpirvShaderTranslator::ProcessScalarAluOperation(
static_cast<unsigned int>(spv::OpNop), // Invalid
static_cast<unsigned int>(spv::OpNop), // kMulsc0
static_cast<unsigned int>(spv::OpNop), // kMulsc1
static_cast<unsigned int>(spv::OpNop), // kAddsc0
static_cast<unsigned int>(spv::OpNop), // kAddsc1
static_cast<unsigned int>(spv::OpNop), // kSubsc0
static_cast<unsigned int>(spv::OpNop), // kSubsc1
static_cast<unsigned int>(spv::OpFAdd), // kAddsc0
static_cast<unsigned int>(spv::OpFAdd), // kAddsc1
static_cast<unsigned int>(spv::OpFSub), // kSubsc0
static_cast<unsigned int>(spv::OpFSub), // kSubsc1
static_cast<unsigned int>(GLSLstd450Sin), // kSin
static_cast<unsigned int>(GLSLstd450Cos), // kCos
static_cast<unsigned int>(spv::OpNop), // kRetainPrev
@ -1433,11 +1433,47 @@ spv::Id SpirvShaderTranslator::ProcessScalarAluOperation(
return const_float_0_;
}
// TODO(Triang3l): Implement the rest of instructions.
case ucode::AluScalarOpcode::kMulsc0:
case ucode::AluScalarOpcode::kMulsc1: {
spv::Id operand_0 = GetOperandComponents(
operand_storage[0], instr.scalar_operands[0], 0b0001);
spv::Id operand_1 = GetOperandComponents(
operand_storage[1], instr.scalar_operands[1], 0b0001);
spv::Id result =
builder_->createBinOp(spv::OpFMul, type_float_, operand_0, operand_1);
builder_->addDecoration(result, spv::DecorationNoContraction);
if (!(instr.scalar_operands[0].GetIdenticalComponents(
instr.scalar_operands[1]) &
0b0001)) {
// Shader Model 3: +0 or denormal * anything = +-0.
result = ZeroIfAnyOperandIsZero(
result, GetAbsoluteOperand(operand_0, instr.scalar_operands[0]),
GetAbsoluteOperand(operand_1, instr.scalar_operands[1]));
}
return result;
}
case ucode::AluScalarOpcode::kAddsc0:
case ucode::AluScalarOpcode::kAddsc1:
case ucode::AluScalarOpcode::kSubsc0:
case ucode::AluScalarOpcode::kSubsc1: {
spv::Id result = builder_->createBinOp(
spv::Op(kOps[size_t(instr.scalar_opcode)]), type_float_,
GetOperandComponents(operand_storage[0], instr.scalar_operands[0],
0b0001),
GetOperandComponents(operand_storage[1], instr.scalar_operands[1],
0b0001));
builder_->addDecoration(result, spv::DecorationNoContraction);
return result;
}
case ucode::AluScalarOpcode::kRetainPrev:
// Special case in ProcessAluInstruction - loading ps only if writing to
// anywhere.
return spv::NoResult;
}
/* assert_unhandled_case(instr.scalar_opcode);
EmitTranslationError("Unknown ALU scalar operation"); */
assert_unhandled_case(instr.scalar_opcode);
EmitTranslationError("Unknown ALU scalar operation");
return spv::NoResult;
}