shader: Fix F2I

3 files changed, 22 insertions, 0 deletions

diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index ce610799a..6280c08f6 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -731,6 +731,24 @@ F16F32F64 IREmitter::FPSaturate(const F16F32F64& value) {
     }
 }
 
+F16F32F64 IREmitter::FPClamp(const F16F32F64& value, const F16F32F64& min_value,
+                             const F16F32F64& max_value) {
+    if (value.Type() != min_value.Type() || value.Type() != max_value.Type()) {
+        throw InvalidArgument("Mismatching types {}, {}, and {}", value.Type(), min_value.Type(),
+                              max_value.Type());
+    }
+    switch (value.Type()) {
+    case Type::F16:
+        return Inst<F16>(Opcode::FPClamp16, value, min_value, max_value);
+    case Type::F32:
+        return Inst<F32>(Opcode::FPClamp32, value, min_value, max_value);
+    case Type::F64:
+        return Inst<F64>(Opcode::FPClamp64, value, min_value, max_value);
+    default:
+        ThrowInvalidType(value.Type());
+    }
+}
+
 F16F32F64 IREmitter::FPRoundEven(const F16F32F64& value, FpControl control) {
     switch (value.Type()) {
     case Type::F16:
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 39109b0de..ebbda78a9 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -147,6 +147,7 @@ public:
     [[nodiscard]] F32F64 FPRecipSqrt(const F32F64& value);
     [[nodiscard]] F32 FPSqrt(const F32& value);
     [[nodiscard]] F16F32F64 FPSaturate(const F16F32F64& value);
+    [[nodiscard]] F16F32F64 FPClamp(const F16F32F64& value, const F16F32F64& min_value, const F16F32F64& max_value);
     [[nodiscard]] F16F32F64 FPRoundEven(const F16F32F64& value, FpControl control = {});
     [[nodiscard]] F16F32F64 FPFloor(const F16F32F64& value, FpControl control = {});
     [[nodiscard]] F16F32F64 FPCeil(const F16F32F64& value, FpControl control = {});
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 8945c7b04..dd17212a1 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -192,6 +192,9 @@ OPCODE(FPLog2,                                              F32,            F32,
 OPCODE(FPSaturate16,                                        F16,            F16,                                                                            )
 OPCODE(FPSaturate32,                                        F32,            F32,                                                                            )
 OPCODE(FPSaturate64,                                        F64,            F64,                                                                            )
+OPCODE(FPClamp16,                                           F16,            F16,            F16,            F16,                                            )
+OPCODE(FPClamp32,                                           F32,            F32,            F32,            F32,                                            )
+OPCODE(FPClamp64,                                           F64,            F64,            F64,            F64,                                            )
 OPCODE(FPRoundEven16,                                       F16,            F16,                                                                            )
 OPCODE(FPRoundEven32,                                       F32,            F32,                                                                            )
 OPCODE(FPRoundEven64,                                       F64,            F64,                                                                            )