daily uodate on 20231208 by nitload youmu, preparation for multi thread rendering

2023-12-08 05:36:04 +08:00
parent ae804553ce
commit ab85c1a9fe
297 changed files with 157896 additions and 5170 deletions
@@ -0,0 +1,58 @@
+using StgSharp.Math;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.Graphics
+{
+    public class Image
+    {
+        [StructLayout(LayoutKind.Sequential)]
+        internal struct ImageInfo
+        {
+            internal int width;
+            internal int height;
+            internal int channel;
+            internal IntPtr pixelPtr;
+        }
+
+        internal byte[] pixelArray;
+        internal ImageInfo info;
+
+        public int Width { get => info.width; }
+        public int Height { get => info.height; }
+        public int Channel { get => info.channel; }
+
+        internal Image(ImageInfo information)
+        {
+            info = information;
+            Marshal.Copy(
+                source: info.pixelPtr,
+                destination: pixelArray,
+                startIndex: 0,
+                length: info.width * info.height * info.channel
+                );
+            Marshal.FreeHGlobal(info.pixelPtr);
+        }
+
+        public unsafe Image()
+        {
+#if NET5_0_OR_GREATER
+            Unsafe.SkipInit(out pixelArray);
+#endif
+            info = new ImageInfo();
+        }
+
+        ~Image()
+        {
+            Marshal.FreeHGlobal(info.pixelPtr);
+        }
+
+    }
+
+
+}