daily update on 20240207 by nitload youmu

源代码/StgSharp/Graphics/GL/GLhandle.cs

@@ -21,20 +21,57 @@ namespace System
     public unsafe struct glHandle
     {
         internal uint* valuePtr;
+        internal glHandleSet source;
 
         public glHandle()
         {
             throw new InvalidOperationException();
         }
 
-        internal glHandle(uint* val)
+        public static glHandle Alloc(uint value)
         {
+            glHandle ret = default;
+            ret.source = new glHandleSet(1);
+            *ret.valuePtr = value;
+            return ret;
+        }
+
+        internal glHandle(uint* val, glHandleSet set)
+        {
+            source = set;
             valuePtr = val;
         }
 
+        public IntPtr Handle
+        {
+            get
+            {
+                if (source.handle == (uint*)0)
+                {
+                    throw new InvalidOperationException($"Handle set {nameof(source)} is not pinned.");
+                }
+                return (IntPtr)valuePtr;
+            }
+        }
+
         public uint Value
         {
-            get { return *valuePtr; }
+            get
+            {
+                if (source.handle == (uint*)0)
+                {
+                    throw new InvalidOperationException($"Handle set {nameof(source)} is not pinned.");
+                }
+                return *valuePtr;
+            }
+            set
+            {
+                if (source.handle == (uint*)0)
+                {
+                    throw new InvalidOperationException($"Handle set {nameof(source)} is not pinned.");
+                }
+                *valuePtr = value;
+            }
         }
 
     }
@@ -56,10 +93,11 @@ namespace System
                 {
                     throw new IndexOutOfRangeException();
                 }
-                return new glHandle(handle + index);
+                return new glHandle(handle + index, this);
             }
         }
 
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public void SetValue(int index, uint value)
         {
@@ -85,6 +123,7 @@ namespace System
             }
             GCHandle h = GCHandle.FromIntPtr((IntPtr)handle);
             h.Free();
+            handle = (uint*)0;
         }
 
         public void Pin()