From c2155f04d4220b71432b046694983963036ab6e2 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Tue, 2 Mar 2021 13:42:09 -0500
Subject: [PATCH] shader: Implement PSETP

---
 src/shader_recompiler/CMakeLists.txt          |  3 +-
 .../translate/impl/not_implemented.cpp        |  4 --
 .../impl/predicate_set_predicate.cpp          | 38 +++++++++++++++++++
 ...ate_set.cpp => predicate_set_register.cpp} |  0
 4 files changed, 40 insertions(+), 5 deletions(-)
 create mode 100644 src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_predicate.cpp
 rename src/shader_recompiler/frontend/maxwell/translate/impl/{predicate_set.cpp => predicate_set_register.cpp} (100%)

diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt
index 057857299..981a79e44 100644
--- a/src/shader_recompiler/CMakeLists.txt
+++ b/src/shader_recompiler/CMakeLists.txt
@@ -89,7 +89,8 @@ add_library(shader_recompiler STATIC
     frontend/maxwell/translate/impl/move_register.cpp
     frontend/maxwell/translate/impl/move_special_register.cpp
     frontend/maxwell/translate/impl/not_implemented.cpp
-    frontend/maxwell/translate/impl/predicate_set.cpp
+    frontend/maxwell/translate/impl/predicate_set_predicate.cpp
+    frontend/maxwell/translate/impl/predicate_set_register.cpp
     frontend/maxwell/translate/impl/select_source_with_predicate.cpp
     frontend/maxwell/translate/translate.cpp
     frontend/maxwell/translate/translate.h
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
index 291d7a4bc..91a9858c6 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
@@ -593,10 +593,6 @@ void TranslatorVisitor::PRMT_imm(u64) {
     ThrowNotImplemented(Opcode::PRMT_imm);
 }
 
-void TranslatorVisitor::PSETP(u64) {
-    ThrowNotImplemented(Opcode::PSETP);
-}
-
 void TranslatorVisitor::R2B(u64) {
     ThrowNotImplemented(Opcode::R2B);
 }
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_predicate.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_predicate.cpp
new file mode 100644
index 000000000..75d1fa8c1
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_predicate.cpp
@@ -0,0 +1,38 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/bit_field.h"
+#include "common/common_types.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h"
+#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
+
+namespace Shader::Maxwell {
+void TranslatorVisitor::PSETP(u64 insn) {
+    union {
+        u64 raw;
+        BitField<0, 3, IR::Pred> dest_pred_b;
+        BitField<3, 3, IR::Pred> dest_pred_a;
+        BitField<12, 3, IR::Pred> pred_a;
+        BitField<15, 1, u64> neg_pred_a;
+        BitField<24, 2, BooleanOp> bop_1;
+        BitField<29, 3, IR::Pred> pred_b;
+        BitField<32, 1, u64> neg_pred_b;
+        BitField<39, 3, IR::Pred> pred_c;
+        BitField<42, 1, u64> neg_pred_c;
+        BitField<45, 2, BooleanOp> bop_2;
+    } const pset{insn};
+
+    const IR::U1 pred_a{ir.GetPred(pset.pred_a, pset.neg_pred_a != 0)};
+    const IR::U1 pred_b{ir.GetPred(pset.pred_b, pset.neg_pred_b != 0)};
+    const IR::U1 pred_c{ir.GetPred(pset.pred_c, pset.neg_pred_c != 0)};
+
+    const IR::U1 lhs_a{PredicateCombine(ir, pred_a, pred_b, pset.bop_1)};
+    const IR::U1 lhs_b{PredicateCombine(ir, ir.LogicalNot(pred_a), pred_b, pset.bop_1)};
+    const IR::U1 result_a{PredicateCombine(ir, lhs_a, pred_c, pset.bop_2)};
+    const IR::U1 result_b{PredicateCombine(ir, lhs_b, pred_c, pset.bop_2)};
+
+    ir.SetPred(pset.dest_pred_a, result_a);
+    ir.SetPred(pset.dest_pred_b, result_b);
+}
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_register.cpp
similarity index 100%
rename from src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set.cpp
rename to src/shader_recompiler/frontend/maxwell/translate/impl/predicate_set_register.cpp