2 files changed, 26 insertions, 0 deletions

diff --git a/src/video_core/shader/decode/other.cpp b/src/video_core/shader/decode/other.cpp
index d4f95b18c..399a455c4 100644
--- a/src/video_core/shader/decode/other.cpp
+++ b/src/video_core/shader/decode/other.cpp
@@ -109,6 +109,27 @@ u32 ShaderIR::DecodeOther(NodeBlock& bb, u32 pc) {
                 return Operation(OperationCode::WorkGroupIdY);
             case SystemVariable::CtaIdZ:
                 return Operation(OperationCode::WorkGroupIdZ);
+            case SystemVariable::EqMask:
+            case SystemVariable::LtMask:
+            case SystemVariable::LeMask:
+            case SystemVariable::GtMask:
+            case SystemVariable::GeMask:
+                uses_warps = true;
+                switch (instr.sys20) {
+                case SystemVariable::EqMask:
+                    return Operation(OperationCode::ThreadEqMask);
+                case SystemVariable::LtMask:
+                    return Operation(OperationCode::ThreadLtMask);
+                case SystemVariable::LeMask:
+                    return Operation(OperationCode::ThreadLeMask);
+                case SystemVariable::GtMask:
+                    return Operation(OperationCode::ThreadGtMask);
+                case SystemVariable::GeMask:
+                    return Operation(OperationCode::ThreadGeMask);
+                default:
+                    UNREACHABLE();
+                    return Immediate(0u);
+                }
             default:
                 UNIMPLEMENTED_MSG("Unhandled system move: {}",
                                   static_cast<u32>(instr.sys20.Value()));
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
index f75b62240..cce8aeebe 100644
--- a/src/video_core/shader/node.h
+++ b/src/video_core/shader/node.h
@@ -226,6 +226,11 @@ enum class OperationCode {
     VoteEqual,    /// (bool) -> bool
 
     ThreadId,       /// () -> uint
+    ThreadEqMask,   /// () -> uint
+    ThreadGeMask,   /// () -> uint
+    ThreadGtMask,   /// () -> uint
+    ThreadLeMask,   /// () -> uint
+    ThreadLtMask,   /// () -> uint
     ShuffleIndexed, /// (uint value, uint index) -> uint
 
     MemoryBarrierGL, /// () -> void