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rsx/common/d3d12/gl: Fix lit and rsq behavior near 0 in vertex shaders.

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This commit is contained in:
Vincent Lejeune 2016-01-31 20:01:00 +01:00
parent 2ead9b1f21
commit 1f7a1e4078
10 changed files with 85 additions and 37 deletions
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6
rpcs3/Emu/RSX/Common/VertexProgramDecompiler.cpp
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@ -562,10 +562,10 @@ 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 / $s, 5.42101e-20, 1.884467e19)"); break;
case RSX_SCA_OPCODE_RSQ: SetDSTSca("(1.f / sqrt($s))"); break;
case RSX_SCA_OPCODE_RSQ: SetDSTSca("rsq_legacy($s)"); break;
case RSX_SCA_OPCODE_EXP: SetDSTSca("exp($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_LIT: SetDSTSca("lit_legacy($s)"); break;
case RSX_SCA_OPCODE_BRA:
{
AddCode("$if ($cond)");
@ -619,7 +619,7 @@ std::string VertexProgramDecompiler::Decompile()
// works like BRI but shorter (RET o[1].x(TR);)
AddCode("$ifcond return;");
break;
case RSX_SCA_OPCODE_LG2: SetDSTSca("log2($s)"); break;
case RSX_SCA_OPCODE_LG2: SetDSTSca("log2_legacy($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;