Merge pull request #7683 from liushuyu/fmt-8.1

logging: adapt to changes in fmt 8.1

CMakeLists.txt

@@ -169,7 +169,7 @@ macro(yuzu_find_packages)
     set(REQUIRED_LIBS
     #    Cmake Pkg Prefix  Version     Conan Pkg
         "Catch2            2.13.7      catch2/2.13.7"
-        "fmt               8.0.1       fmt/8.0.1"
+        "fmt               8.0.1       fmt/8.1.1"
         "lz4               1.8         lz4/1.9.2"
         "nlohmann_json     3.8         nlohmann_json/3.8.0"
         "ZLIB              1.2         zlib/1.2.11"

src/common/CMakeLists.txt

@@ -85,6 +85,7 @@ add_library(common STATIC
     logging/backend.h
     logging/filter.cpp
     logging/filter.h
+    logging/formatter.h
     logging/log.h
     logging/log_entry.h
     logging/text_formatter.cpp

src/common/logging/formatter.h

@@ -0,0 +1,23 @@
+// Copyright 2022 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <type_traits>
+
+#include <fmt/format.h>
+
+// adapted from https://github.com/fmtlib/fmt/issues/2704
+// a generic formatter for enum classes
+#if FMT_VERSION >= 80100
+template <typename T>
+struct fmt::formatter<T, std::enable_if_t<std::is_enum_v<T>, char>>
+    : formatter<std::underlying_type_t<T>> {
+    template <typename FormatContext>
+    auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
+        return fmt::formatter<std::underlying_type_t<T>>::format(
+            static_cast<std::underlying_type_t<T>>(value), ctx);
+    }
+};
+#endif

src/common/logging/log.h

@@ -7,8 +7,9 @@
 #include <algorithm>
 #include <string_view>
 
-#include <fmt/core.h>
+#include <fmt/format.h>
 
+#include "common/logging/formatter.h"
 #include "common/logging/types.h"
 
 namespace Common::Log {

src/shader_recompiler/exception.h

@@ -9,7 +9,7 @@
 #include <string_view>
 #include <utility>
 
-#include <fmt/format.h>
+#include "common/logging/formatter.h"
 
 namespace Shader {