shader_ir/decode: Implement half float saturation

1 files changed, 2 insertions, 4 deletions

diff --git a/src/video_core/shader/decode/arithmetic_half_immediate.cpp b/src/video_core/shader/decode/arithmetic_half_immediate.cpp
index 4a5b0620e..cf4bc0432 100644
--- a/src/video_core/shader/decode/arithmetic_half_immediate.cpp
+++ b/src/video_core/shader/decode/arithmetic_half_immediate.cpp
@@ -23,8 +23,6 @@ u32 ShaderIR::DecodeArithmeticHalfImmediate(NodeBlock& bb, u32 pc) {
     } else {
         UNIMPLEMENTED_IF(instr.alu_half_imm.precision != Tegra::Shader::HalfPrecision::None);
     }
-    UNIMPLEMENTED_IF_MSG(instr.alu_half_imm.saturate != 0,
-                         "Half float immediate saturation not implemented");
 
     Node op_a = GetRegister(instr.gpr8);
     op_a = GetOperandAbsNegHalf(op_a, instr.alu_half_imm.abs_a, instr.alu_half_imm.negate_a);
@@ -43,10 +41,10 @@ u32 ShaderIR::DecodeArithmeticHalfImmediate(NodeBlock& bb, u32 pc) {
             return Immediate(0);
         }
     }();
-    value = HalfMerge(GetRegister(instr.gpr0), value, instr.alu_half_imm.merge);
 
+    value = GetSaturatedHalfFloat(value, instr.alu_half_imm.saturate);
+    value = HalfMerge(GetRegister(instr.gpr0), value, instr.alu_half_imm.merge);
     SetRegister(bb, instr.gpr0, value);
-
     return pc;
 }