From 753c61aa0fc7699ab2bf2b7fc9f98707e50d5ae0 Mon Sep 17 00:00:00 2001
From: John Shumway <jshumway@amd.com>
Date: Tue, 7 Oct 2025 21:54:53 +0000
Subject: [PATCH] Add conv_traits.

---
 .../include/ck_tile/builder/conv_traits.hpp   | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 experimental/builder/include/ck_tile/builder/conv_traits.hpp

diff --git a/experimental/builder/include/ck_tile/builder/conv_traits.hpp b/experimental/builder/include/ck_tile/builder/conv_traits.hpp
new file mode 100644
index 0000000000..c04e1ddcb1
--- /dev/null
+++ b/experimental/builder/include/ck_tile/builder/conv_traits.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <ck_tile/builder/conv_builder.hpp>
+#include <ck_tile/builder/conv_factory.hpp>
+#include <ck_tile/builder/conv_signature.hpp>
+
+namespace ck_tile::reflect {
+
+// Primary template for ConvTraits - extracts compile-time information from a ConvBuilder
+// This is a facade that provides factory values to Description
+template <typename Builder>
+struct ConvTraits;
+
+// Specialization for ConvBuilder - uses template pattern matching to extract parameters
+template <builder::ConvSignatureDescriptor auto SIGNATURE,
+          builder::ConvAlgorithmDescriptor auto ALGORITHM,
+          builder::StringLiteral VERSION>
+struct ConvTraits<builder::ConvBuilder<SIGNATURE, ALGORITHM, VERSION>>
+{
+    using Factory = builder::ConvFactory<SIGNATURE, ALGORITHM, VERSION>;
+
+    // Signature information (extracted directly from template parameters)
+    static constexpr int spatial_dim                  = SIGNATURE.spatial_dim;
+    static constexpr builder::ConvDirection direction = SIGNATURE.direction;
+    static constexpr builder::GroupConvLayout layout  = SIGNATURE.layout;
+    static constexpr builder::DataType data_type      = SIGNATURE.data_type;
+
+    // Algorithm information (read from Factory static constexpr members)
+    static constexpr auto block            = Factory::BLOCK;
+    static constexpr auto tuning           = Factory::TUNING;
+    static constexpr auto a_block_transfer = Factory::A_BLOCK_TRANSFER;
+    static constexpr auto b_block_transfer = Factory::B_BLOCK_TRANSFER;
+    static constexpr auto c_block_transfer = Factory::C_BLOCK_TRANSFER;
+    static constexpr auto pipeline_version = Factory::PIPELINE_VERSION;
+};
+
+} // namespace ck_tile::reflect