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rsx/fp: Fix some decompiler bugs

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This commit is contained in:
kd-11 2017-03-07 13:40:38 +03:00
parent 1c8cb3b7d3
commit be4bb48476
13 changed files with 174 additions and 126 deletions
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9
rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp
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@ -368,6 +368,11 @@ void VertexProgramDecompiler::SetDSTSca(const std::string& code)
SetDST(true, code);
}
std::string VertexProgramDecompiler::NotZeroPositive(const std::string code)
{
return "max(" + code + ", 1.E-10)";
}
std::string VertexProgramDecompiler::BuildFuncBody(const FuncInfo& func)
{
std::string result;
@ -623,7 +628,7 @@ std::string VertexProgramDecompiler::Decompile()
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 / $s, 5.42101e-20, 1.884467e19)"); break;
case RSX_SCA_OPCODE_RSQ: SetDSTSca("rsq_legacy($s)"); break;
case RSX_SCA_OPCODE_RSQ: SetDSTSca("1. / " + NotZeroPositive("$s")); break;
case RSX_SCA_OPCODE_EXP: SetDSTSca("exp($s)"); break;
case RSX_SCA_OPCODE_LOG: SetDSTSca("log($s)"); break;
case RSX_SCA_OPCODE_LIT: SetDSTSca("lit_legacy($s)"); break;
@ -663,7 +668,7 @@ std::string VertexProgramDecompiler::Decompile()
// works like BRI but shorter (RET o[1].x(TR);)
AddCode("$ifcond return;");
break;
case RSX_SCA_OPCODE_LG2: SetDSTSca("log2_legacy($s)"); break;
case RSX_SCA_OPCODE_LG2: SetDSTSca("log2(" + NotZeroPositive("$s") + ")"); break;
case RSX_SCA_OPCODE_EX2: SetDSTSca("exp2($s)"); break;
case RSX_SCA_OPCODE_SIN: SetDSTSca("sin($s)"); break;
case RSX_SCA_OPCODE_COS: SetDSTSca("cos($s)"); break;