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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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2
rpcs3/Emu/RSX/Common/FragmentProgramDecompiler.cpp
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@ -404,7 +404,7 @@ bool FragmentProgramDecompiler::handle_scb(u32 opcode)
case RSX_FP_OPCODE_EX2: SetDst("exp2($0.xxxx)"); return true;
case RSX_FP_OPCODE_FLR: SetDst("floor($0)"); return true;
case RSX_FP_OPCODE_FRC: SetDst(getFunction(FUNCTION::FUNCTION_FRACT)); return true;
case RSX_FP_OPCODE_LIT: SetDst(getFloatTypeName(4) + "(1.0, $0.x, ($0.x > 0.0 ? exp($0.w * log2($0.y)) : 0.0), 1.0)"); return true;
case RSX_FP_OPCODE_LIT: SetDst("lit_legacy($0)"); return true;
case RSX_FP_OPCODE_LIF: SetDst(getFloatTypeName(4) + "(1.0, $0.y, ($0.y > 0 ? pow(2.0, $0.w) : 0.0), 1.0)"); return true;
case RSX_FP_OPCODE_LRP: LOG_ERROR(RSX, "Unimplemented SCB instruction: LRP"); return true; // TODO: Is this in the right category?
case RSX_FP_OPCODE_LG2: SetDst("log2($0.xxxx)"); return true;