From 396812bab607478c1a41828cf7746d776cde412a Mon Sep 17 00:00:00 2001
From: psucien <bad_cast@protonmail.com>
Date: Sun, 16 Jun 2024 23:39:45 +0200
Subject: [PATCH] shader_recompiler: added V_TRUNC VOP1/3 (496)

---
 src/shader_recompiler/frontend/translate/translate.cpp  | 3 +++
 src/shader_recompiler/frontend/translate/translate.h    | 1 +
 src/shader_recompiler/frontend/translate/vector_alu.cpp | 5 +++++
 3 files changed, 9 insertions(+)

diff --git a/src/shader_recompiler/frontend/translate/translate.cpp b/src/shader_recompiler/frontend/translate/translate.cpp
index dafd451c..82d5dc8d 100644
--- a/src/shader_recompiler/frontend/translate/translate.cpp
+++ b/src/shader_recompiler/frontend/translate/translate.cpp
@@ -657,6 +657,9 @@ void Translate(IR::Block* block, std::span<const GcnInst> inst_list, Info& info)
         case Opcode::S_BFM_B32:
             translator.S_BFM_B32(inst);
             break;
+        case Opcode::V_TRUNC_F32:
+            translator.V_TRUNC_F32(inst);
+            break;
         case Opcode::S_NOP:
         case Opcode::S_CBRANCH_EXECZ:
         case Opcode::S_CBRANCH_SCC0:
diff --git a/src/shader_recompiler/frontend/translate/translate.h b/src/shader_recompiler/frontend/translate/translate.h
index 49678ca0..10a4580f 100644
--- a/src/shader_recompiler/frontend/translate/translate.h
+++ b/src/shader_recompiler/frontend/translate/translate.h
@@ -114,6 +114,7 @@ public:
     void V_CVT_I32_F32(const GcnInst& inst);
     void V_MIN_I32(const GcnInst& inst);
     void V_MUL_LO_U32(const GcnInst& inst);
+    void V_TRUNC_F32(const GcnInst& inst);
 
     // Vector Memory
     void BUFFER_LOAD_FORMAT(u32 num_dwords, bool is_typed, const GcnInst& inst);
diff --git a/src/shader_recompiler/frontend/translate/vector_alu.cpp b/src/shader_recompiler/frontend/translate/vector_alu.cpp
index 8a4a54da..7bad5799 100644
--- a/src/shader_recompiler/frontend/translate/vector_alu.cpp
+++ b/src/shader_recompiler/frontend/translate/vector_alu.cpp
@@ -425,4 +425,9 @@ void Translator::V_MUL_LO_U32(const GcnInst& inst) {
     SetDst(inst.dst[0], ir.IMul(src0, src1));
 }
 
+void Translator::V_TRUNC_F32(const GcnInst& inst) {
+    const IR::F32 src0{GetSrc(inst.src[0], true)};
+    SetDst(inst.dst[0], ir.FPTrunc(src0));
+}
+
 } // namespace Shader::Gcn