1 files changed, 69 insertions, 0 deletions
diff --git a/al/debug.h b/al/debug.h
new file mode 100644
index 00000000..351be9c0
--- /dev/null
+++ b/al/debug.h
@@ -0,0 +1,69 @@
+#ifndef AL_DEBUG_H
+#define AL_DEBUG_H
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+using uint = unsigned int;
+
+
+/* Somewhat arbitrary. Avoid letting it get out of control if the app enables
+ * logging but never reads it.
+ */
+inline constexpr uint8_t MaxDebugLoggedMessages{64};
+inline constexpr uint16_t MaxDebugMessageLength{1024};
+inline constexpr uint8_t MaxDebugGroupDepth{64};
+inline constexpr uint16_t MaxObjectLabelLength{1024};
+
+
+inline constexpr uint DebugSourceBase{0};
+enum class DebugSource : uint8_t {
+    API = 0,
+    System,
+    ThirdParty,
+    Application,
+    Other,
+};
+inline constexpr uint DebugSourceCount{5};
+
+inline constexpr uint DebugTypeBase{DebugSourceBase + DebugSourceCount};
+enum class DebugType : uint8_t {
+    Error = 0,
+    DeprecatedBehavior,
+    UndefinedBehavior,
+    Portability,
+    Performance,
+    Marker,
+    PushGroup,
+    PopGroup,
+    Other,
+};
+inline constexpr uint DebugTypeCount{9};
+
+inline constexpr uint DebugSeverityBase{DebugTypeBase + DebugTypeCount};
+enum class DebugSeverity : uint8_t {
+    High = 0,
+    Medium,
+    Low,
+    Notification,
+};
+inline constexpr uint DebugSeverityCount{4};
+
+struct DebugGroup {
+    const uint mId;
+    const DebugSource mSource;
+    std::string mMessage;
+    std::vector<uint> mFilters;
+    std::vector<uint64_t> mIdFilters;
+
+    template<typename T>
+    DebugGroup(DebugSource source, uint id, T&& message)
+        : mId{id}, mSource{source}, mMessage{std::forward<T>(message)}
+    { }
+    DebugGroup(const DebugGroup&) = default;
+    DebugGroup(DebugGroup&&) = default;
+    ~DebugGroup();
+};
+
+#endif /* AL_DEBUG_H */