Update Package structure

Misaki.HighPerformance.Jobs/JobInfo.cs

@@ -0,0 +1,63 @@
+namespace Misaki.HighPerformance.Jobs;
+
+/// <summary>
+/// The state of a job in its lifecycle.
+/// </summary>
+public enum JobState
+{
+    /// <summary>
+    /// The job is in an invalid state, indicating an error or uninitialized state.
+    /// </summary>
+    Invalid = -1,
+    /// <summary>
+    /// The job has been created but not yet scheduled for execution.
+    /// </summary>
+    Created = 0,
+    /// <summary>
+    /// The job is scheduled and waiting to be executed.
+    /// </summary>
+    Scheduled = 1,
+    /// <summary>
+    /// The job is currently being executed.
+    /// </summary>
+    Running = 2,
+    /// <summary>
+    /// The job has completed execution.
+    /// </summary>
+    Completed = 3
+}
+
+internal unsafe struct JobInfo
+{
+    public const int MAX_DEPENDENTS = 8;
+
+    // The list of jobs that are waiting for THIS job to complete.
+    public fixed int dependentsID[MAX_DEPENDENTS]; // The actual list of IDs
+    public fixed int dependentsGeneration[MAX_DEPENDENTS]; // The actual list of generations
+    public int dependentCount;
+
+    public JobRanges jobRanges;
+
+    public void* pJobData;
+    public JobExecutionFunc pExecutionFunc;
+
+    public JobState state;
+    public int remainingBatches;
+
+    public int threadIndex; // The preferred thread index to run this job on, -1 means any thread
+    public int dependencyCount; // Numbers of jobs that this job depends on, when it reaches 0, the job can be executed
+}
+
+internal struct JobRanges
+{
+    public int batchSize;
+    public int totalIteration;
+    public int currentIndex;
+
+    public static JobRanges Single => new()
+    {
+        batchSize = 1,
+        totalIteration = 1,
+        currentIndex = 0,
+    };
+}