video: Import new shader recompiler + display a triangle (#142)

src/shader_recompiler/exception.h

@@ -0,0 +1,64 @@
+// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <exception>
+#include <string>
+#include <utility>
+
+#include <fmt/format.h>
+
+namespace Shader {
+
+class Exception : public std::exception {
+public:
+    explicit Exception(std::string message) noexcept : err_message{std::move(message)} {}
+
+    [[nodiscard]] const char* what() const noexcept override {
+        return err_message.c_str();
+    }
+
+    void Prepend(std::string_view prepend) {
+        err_message.insert(0, prepend);
+    }
+
+    void Append(std::string_view append) {
+        err_message += append;
+    }
+
+private:
+    std::string err_message;
+};
+
+class LogicError : public Exception {
+public:
+    template <typename... Args>
+    explicit LogicError(const char* message, Args&&... args)
+        : Exception{fmt::format(fmt::runtime(message), std::forward<Args>(args)...)} {}
+};
+
+class RuntimeError : public Exception {
+public:
+    template <typename... Args>
+    explicit RuntimeError(const char* message, Args&&... args)
+        : Exception{fmt::format(fmt::runtime(message), std::forward<Args>(args)...)} {}
+};
+
+class NotImplementedException : public Exception {
+public:
+    template <typename... Args>
+    explicit NotImplementedException(const char* message, Args&&... args)
+        : Exception{fmt::format(fmt::runtime(message), std::forward<Args>(args)...)} {
+        Append(" is not implemented");
+    }
+};
+
+class InvalidArgument : public Exception {
+public:
+    template <typename... Args>
+    explicit InvalidArgument(const char* message, Args&&... args)
+        : Exception{fmt::format(fmt::runtime(message), std::forward<Args>(args)...)} {}
+};
+
+} // namespace Shader