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rsx: Ignore FENCE instruction as it seems like its ignored on realhw

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- This is likely a compiler hint for performance reasons and not a mandate
This commit is contained in:
kd-11 2017-11-08 16:27:20 +03:00
parent 8b4836a12f
commit 3c9126d91f
1 changed files with 6 additions and 15 deletions
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21
rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
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@ -735,21 +735,12 @@ std::string FragmentProgramDecompiler::Decompile()
if (SIP()) break;
if (handle_tex_srb(opcode)) break;
if (forced_unit == FORCE_NONE)
{
if (handle_sct(opcode)) break;
if (handle_scb(opcode)) break;
}
else if (forced_unit == FORCE_SCT)
{
forced_unit = FORCE_NONE;
if (handle_sct(opcode)) break;
}
else if (forced_unit == FORCE_SCB)
{
forced_unit = FORCE_NONE;
if (handle_scb(opcode)) break;
}
//FENCT/FENCB do not actually reject instructions if they dont match the forced unit
//Tested with Dark Souls II where the repecting FENCX instruction will result in empty luminance averaging shaders
//TODO: More reasearch is needed to determine what real HW does
if (handle_sct(opcode)) break;
if (handle_scb(opcode)) break;
forced_unit = FORCE_NONE;
LOG_ERROR(RSX, "Unknown/illegal instruction: 0x%x (forced unit %d)", opcode, prev_force_unit);
break;