diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index ca2030e97..06f85fad2 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -2791,6 +2791,51 @@ private: } break; } + case OpCode::Type::HalfSetPredicate: { + ASSERT_MSG(instr.hsetp2.ftz == 0, "Unimplemented"); + + const std::string op_a = + GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr8, 0, false), instr.hsetp2.type_a, + instr.hsetp2.abs_a, instr.hsetp2.negate_a); + + const std::string op_b = [&]() { + switch (opcode->GetId()) { + case OpCode::Id::HSETP2_R: + return GetHalfFloat(regs.GetRegisterAsInteger(instr.gpr20, 0, false), + instr.hsetp2.type_b, instr.hsetp2.abs_a, + instr.hsetp2.negate_b); + default: + UNREACHABLE(); + return std::string("vec2(0)"); + } + }(); + + // We can't use the constant predicate as destination. + ASSERT(instr.hsetp2.pred3 != static_cast<u64>(Pred::UnusedIndex)); + + const std::string second_pred = + GetPredicateCondition(instr.hsetp2.pred39, instr.hsetp2.neg_pred != 0); + + const std::string combiner = GetPredicateCombiner(instr.hsetp2.op); + + const std::string component_combiner = instr.hsetp2.h_and ? "&&" : "||"; + const std::string predicate = + '(' + GetPredicateComparison(instr.hsetp2.cond, op_a + ".x", op_b + ".x") + ' ' + + component_combiner + ' ' + + GetPredicateComparison(instr.hsetp2.cond, op_a + ".y", op_b + ".y") + ')'; + + // Set the primary predicate to the result of Predicate OP SecondPredicate + SetPredicate(instr.hsetp2.pred3, + '(' + predicate + ") " + combiner + " (" + second_pred + ')'); + + if (instr.hsetp2.pred0 != static_cast<u64>(Pred::UnusedIndex)) { + // Set the secondary predicate to the result of !Predicate OP SecondPredicate, + // if enabled + SetPredicate(instr.hsetp2.pred0, + "!(" + predicate + ") " + combiner + " (" + second_pred + ')'); + } + break; + } case OpCode::Type::PredicateSetRegister: { const std::string op_a = GetPredicateCondition(instr.pset.pred12, instr.pset.neg_pred12 != 0); |