diff options
| -rw-r--r-- | src/video_core/engines/shader_bytecode.h | 10 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 38 |
2 files changed, 48 insertions, 0 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index da64430e9..83f7cc3a9 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -239,6 +239,16 @@ union Instruction { } fsetp; union { + BitField<0, 3, u64> pred0; + BitField<3, 3, u64> pred3; + BitField<39, 3, u64> pred39; + BitField<42, 1, u64> neg_pred; + BitField<45, 2, PredOperation> op; + BitField<48, 1, u64> is_signed; + BitField<49, 3, PredCondition> cond; + } isetp; + + union { BitField<39, 3, u64> pred39; BitField<42, 1, u64> neg_pred; BitField<43, 1, u64> neg_a; diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index bb5209a7e..b27543a65 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1017,6 +1017,44 @@ private: } break; } + case OpCode::Type::IntegerSetPredicate: { + std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, instr.isetp.is_signed); + + std::string op_b{}; + + ASSERT_MSG(!instr.is_b_imm, "ISETP_IMM not implemented"); + + if (instr.is_b_gpr) { + op_b += regs.GetRegisterAsInteger(instr.gpr20, 0, instr.isetp.is_signed); + } else { + // TODO(Subv): This family of instructions don't store to a GPR, but GetUniform + // needs to know the type of the output register. + op_b += regs.GetUniform(instr.uniform, instr.gpr0); + } + + using Tegra::Shader::Pred; + // We can't use the constant predicate as destination. + ASSERT(instr.isetp.pred3 != static_cast<u64>(Pred::UnusedIndex)); + + std::string second_pred = + GetPredicateCondition(instr.isetp.pred39, instr.isetp.neg_pred != 0); + + std::string comparator = GetPredicateComparison(instr.isetp.cond); + std::string combiner = GetPredicateCombiner(instr.isetp.op); + + std::string predicate = '(' + op_a + ") " + comparator + " (" + op_b + ')'; + // Set the primary predicate to the result of Predicate OP SecondPredicate + SetPredicate(instr.isetp.pred3, + '(' + predicate + ") " + combiner + " (" + second_pred + ')'); + + if (instr.isetp.pred0 != static_cast<u64>(Pred::UnusedIndex)) { + // Set the secondary predicate to the result of !Predicate OP SecondPredicate, + // if enabled + SetPredicate(instr.isetp.pred0, + "!(" + predicate + ") " + combiner + " (" + second_pred + ')'); + } + break; + } case OpCode::Type::FloatSet: { std::string op_a = instr.fset.neg_a ? "-" : ""; op_a += regs.GetRegisterAsFloat(instr.gpr8); |