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[rsx/wip] Take the branching code on BRB when bit 25 of d3 is set

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kd-11 2017-01-08 16:02:57 +03:00 committed by Zangetsu38
parent 91b73dafd5
commit 335fb6456e
3 changed files with 23 additions and 25 deletions
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42
rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp
View file

@ -216,22 +216,12 @@ std::string VertexProgramDecompiler::Format(const std::string& code)
return "if(" + cond + ") ";
}
},
{ "$cond", std::bind(std::mem_fn(&VertexProgramDecompiler::GetCond), this) },
{ "$bconst", std::bind(std::mem_fn(&VertexProgramDecompiler::GetBooleanConstantCond), this) }
{ "$cond", std::bind(std::mem_fn(&VertexProgramDecompiler::GetCond), this) }
};
return fmt::replace_all(code, repl_list);
}
std::string VertexProgramDecompiler::GetBooleanConstantCond()
{
if (d0.cond == 0) return "false";
if (d0.cond == 7) return "true";
LOG_ERROR(RSX, "Boolean constant condition not found; returning false");
return "false";
}
std::string VertexProgramDecompiler::GetCond()
{
enum
@ -671,24 +661,30 @@ std::string VertexProgramDecompiler::Decompile()
case RSX_SCA_OPCODE_BRB:
// works differently (BRB o[1].x !b0, L0;)
{
LOG_ERROR(RSX, "Unimplemented sca_opcode BRB d0=0x%X, d1=0x%X, d2=0x%X, d3=0x%X", d0.HEX, d1.HEX, d2.HEX, d3.HEX);
u32 jump_position = find_jump_lvl(GetAddr());
LOG_WARNING(RSX, "sca_opcode BRB, d0=0x%X, d1=0x%X, d2=0x%X, d3=0x%X", d0.HEX, d1.HEX, d2.HEX, d3.HEX);
AddCode(fmt::format("//BRB opcode, d0=0x%X, d1=0x%X, d2=0x%X, d3=0x%X", d0.HEX, d1.HEX, d2.HEX, d3.HEX));
AddCode("if (!$bconst) //BRB"); //If only the cond flags are set, we can just use $ifcond
AddCode("{");
m_cur_instr->open_scopes++;
AddCode(fmt::format("jump_position = %u;", jump_position));
AddCode("continue;");
m_cur_instr->close_scopes++;
AddCode("}");
if (d3.brb_cond_true)
{
u32 jump_position = find_jump_lvl(GetAddr());
AddCode(fmt::format("jump_position = %u;", jump_position));
AddCode("continue;");
AddCode("");
}
break;
}
case RSX_SCA_OPCODE_CLB: break;
// works same as BRB
LOG_ERROR(RSX, "Unimplemented sca_opcode CLB");
AddCode("if (!$bconst) $f(); //CLB");
LOG_WARNING(RSX, "sca_opcode CLB, d0=0x%X, d1=0x%X, d2=0x%X, d3=0x%X", d0.HEX, d1.HEX, d2.HEX, d3.HEX);
AddCode("//CLB");
if (d3.brb_cond_true)
{
AddCode("$f(); //CLB");
AddCode("");
}
break;
case RSX_SCA_OPCODE_PSH: break;
// works differently (PSH o[1].x A0;)

1
rpcs3/Emu/RSX/Common/VertexProgramDecompiler.h
View file

@ -69,7 +69,6 @@ struct VertexProgramDecompiler
std::string GetFunc();
std::string GetTex();
std::string GetCond();
std::string GetBooleanConstantCond();
std::string AddAddrMask();
std::string AddAddrReg();
std::string AddAddrRegWithoutMask();

5
rpcs3/Emu/RSX/RSXVertexProgram.h
View file

@ -146,9 +146,12 @@ union D3
u32 sca_writemask_x : 1;
u32 src2l : 11;
};
struct
{
u32 : 29;
u32 : 25;
u32 brb_cond_true : 1;
u32 : 3;
u32 iaddrl : 3;
};
};