diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-01-27 01:14:25 -0300 |
|---|---|---|
| committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-01-27 01:15:44 -0300 |
| commit | e3fc3459c817398fdc9a878c2e554e4580b1d863 (patch) | |
| tree | 60f589d1c76bb589b9d171ae6e4ac2395288ed36 /src/video_core/shader | |
| parent | 05df4a8c9452269a340fdd8490eeb064696ccb10 (diff) | |
shader/arithmetic: Implement FCMP
Compares the third operand with zero, then selects between the first and
second.
Diffstat (limited to 'src/video_core/shader')
| -rw-r--r-- | src/video_core/shader/decode/arithmetic.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/video_core/shader/decode/arithmetic.cpp b/src/video_core/shader/decode/arithmetic.cpp index fcedd2af6..90240c765 100644 --- a/src/video_core/shader/decode/arithmetic.cpp +++ b/src/video_core/shader/decode/arithmetic.cpp @@ -21,7 +21,7 @@ u32 ShaderIR::DecodeArithmetic(NodeBlock& bb, u32 pc) { Node op_a = GetRegister(instr.gpr8); - Node op_b = [&]() -> Node { + Node op_b = [&] { if (instr.is_b_imm) { return GetImmediate19(instr); } else if (instr.is_b_gpr) { @@ -141,6 +141,15 @@ u32 ShaderIR::DecodeArithmetic(NodeBlock& bb, u32 pc) { SetRegister(bb, instr.gpr0, value); break; } + case OpCode::Id::FCMP_R: { + UNIMPLEMENTED_IF(instr.fcmp.ftz == 0); + Node op_c = GetRegister(instr.gpr39); + Node comp = GetPredicateComparisonFloat(instr.fcmp.cond, std::move(op_c), Immediate(0.0f)); + SetRegister( + bb, instr.gpr0, + Operation(OperationCode::Select, std::move(comp), std::move(op_a), std::move(op_b))); + break; + } case OpCode::Id::RRO_C: case OpCode::Id::RRO_R: case OpCode::Id::RRO_IMM: { |