1 files changed, 44 insertions, 0 deletions

diff --git a/src/shader_recompiler/frontend/ir/pred.h b/src/shader_recompiler/frontend/ir/pred.h
new file mode 100644
index 000000000..4e7f32423
--- /dev/null
+++ b/src/shader_recompiler/frontend/ir/pred.h
@@ -0,0 +1,44 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <fmt/format.h>
+
+namespace Shader::IR {
+
+enum class Pred : u64 {
+    P0,
+    P1,
+    P2,
+    P3,
+    P4,
+    P5,
+    P6,
+    PT,
+};
+
+constexpr size_t NUM_USER_PREDS = 7;
+constexpr size_t NUM_PREDS = 8;
+
+[[nodiscard]] constexpr size_t PredIndex(Pred pred) noexcept {
+    return static_cast<size_t>(pred);
+}
+
+} // namespace Shader::IR
+
+template <>
+struct fmt::formatter<Shader::IR::Pred> {
+    constexpr auto parse(format_parse_context& ctx) {
+        return ctx.begin();
+    }
+    template <typename FormatContext>
+    auto format(const Shader::IR::Pred& pred, FormatContext& ctx) {
+        if (pred == Shader::IR::Pred::PT) {
+            return fmt::format_to(ctx.out(), "PT");
+        } else {
+            return fmt::format_to(ctx.out(), "P{}", static_cast<int>(pred));
+        }
+    }
+};