From 7e13e8bfcb4d3bb3c9d7eafb81e790e244cdfdd7 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sun, 23 Dec 2018 17:07:49 -0300 Subject: [PATCH] shader_decode: Implement PSET --- .../shader/decode/predicate_set_register.cpp | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/src/video_core/shader/decode/predicate_set_register.cpp b/src/video_core/shader/decode/predicate_set_register.cpp index 67a06b5b4a..04ddd9f9ec 100644 --- a/src/video_core/shader/decode/predicate_set_register.cpp +++ b/src/video_core/shader/decode/predicate_set_register.cpp @@ -16,7 +16,22 @@ u32 ShaderIR::DecodePredicateSetRegister(BasicBlock& bb, u32 pc) { const Instruction instr = {program_code[pc]}; const auto opcode = OpCode::Decode(instr); - UNIMPLEMENTED(); + UNIMPLEMENTED_IF_MSG(instr.generates_cc, + "Condition codes generation in PSET is not implemented"); + + const Node op_a = GetPredicate(instr.pset.pred12, instr.pset.neg_pred12 != 0); + const Node op_b = GetPredicate(instr.pset.pred29, instr.pset.neg_pred29 != 0); + const Node first_pred = Operation(GetPredicateCombiner(instr.pset.cond), op_a, op_b); + + const Node second_pred = GetPredicate(instr.pset.pred39, instr.pset.neg_pred39 != 0); + + const OperationCode combiner = GetPredicateCombiner(instr.pset.op); + const Node result = Operation(combiner, first_pred, second_pred); + + const Node true_value = instr.pset.bf ? Immediate(1.0f) : Immediate(0xffffffff); + const Node false_value = instr.pset.bf ? Immediate(0.0f) : Immediate(0); + const Node value = Operation(OperationCode::Select, PRECISE, true_value, false_value); + SetRegister(bb, instr.gpr0, value); return pc; }