daily update on 20240828 by nitload youmu, autotexture added

2024-08-28 10:58:31 +08:00
parent d082071f2d
commit 1ee4e4a42f
586 changed files with 60910 additions and 123106 deletions
@@ -0,0 +1,161 @@
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+//     file="AutoTexture.cs"
+//     Project: StgSharp
+//     AuthorGroup: Nitload Space
+//     Copyright (c) Nitload Space. All rights reserved.
+//     
+//     Permission is hereby granted, free of charge, to any person 
+//     obtaining a copy of this software and associated documentation 
+//     files (the “Software”), to deal in the Software without restriction, 
+//     including without limitation the rights to use, copy, modify, merge,
+//     publish, distribute, sublicense, and/or sell copies of the Software, 
+//     and to permit persons to whom the Software is furnished to do so, 
+//     subject to the following conditions:
+//     
+//     The above copyright notice and 
+//     this permission notice shall be included in all copies 
+//     or substantial portions of the Software.
+//     
+//     THE SOFTWARE IS PROVIDED “AS IS”, 
+//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
+//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+//-----------------------------------------------------------------------
+//-----------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+using StgSharp.Collections;
+
+namespace StgSharp.Graphics.OpenGL
+{
+    public sealed class AutoTextureGL
+    {
+        private BidirectionalDictionary<Image, int> imageIndexMap = new BidirectionalDictionary<Image, int>();
+        private Dictionary<Image, int> imageUpdateIndex = new Dictionary<Image, int>();
+
+        private int _size, _currentIndex;
+        private LinkedList<int> usedTextureIndex;
+        private Queue<int> unusedTextureUnitIndex;
+        private TextureProperty[] propertyCache;
+        private TextureGL texturePackage;
+
+        private TextureProperty _textureProperty;
+
+        private OpenGLFunction GL
+        {
+            get => texturePackage.GL;
+        }
+
+        private AutoTextureGL(TextureGL texture)
+        {
+            texturePackage = texture;
+            _size = texture.Count;
+            imageIndexMap = new BidirectionalDictionary<Image, int>();
+            unusedTextureUnitIndex = new Queue<int>(
+                Enumerable.Range(0, _size));
+            usedTextureIndex = new LinkedList<int>();
+            propertyCache = new TextureProperty[_size];
+        }
+
+        public AutoTextureGL(int textureObjectSize, [NotNull]glRenderStream binding)
+        {
+            this._size = textureObjectSize;
+            imageIndexMap = new BidirectionalDictionary<Image, int>();
+            texturePackage = new TextureGL(textureObjectSize, binding);
+            unusedTextureUnitIndex = new Queue<int>(
+                Enumerable.Range(0, _size));
+            usedTextureIndex = new LinkedList<int>();
+            propertyCache = new TextureProperty[_size];
+        }
+
+        public TextureProperty DefaultTextureProperty
+        {
+            get => _textureProperty;
+            set => _textureProperty = value;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public void SelectTextureAndBind(Image i)
+        {
+            TextureProperty property = _textureProperty;
+
+            SelectTextureAndBind(i, property);
+        }
+
+        public void SelectTextureAndBind([NotNull]Image i, TextureProperty property)
+        {
+            //usable texture with image match
+            if (imageIndexMap.TryGetValue(i, out int index))
+            {
+                //prop setting match
+                if (propertyCache[index] == property)
+                {
+                    _currentIndex = index;                          //GL.Assert(true);
+                    texturePackage.Bind2D(index);                   //GL.Assert(true);
+                    if (i.PixelUpdateCount != imageUpdateIndex[i])                           
+                    {
+                        texturePackage.LoadTexture(index, i);       //GL.Assert(true);
+                    }
+                }
+                else
+                {
+                    _currentIndex = index;                          //GL.Assert(true);
+                    texturePackage.Bind2D(index);                   //GL.Assert(true);
+                    texturePackage.Set2dProperty(index, property);  //GL.Assert(true);
+                    if (i.PixelUpdateCount != imageUpdateIndex[i])                         
+                    {
+                        texturePackage.LoadTexture(index, i);       //GL.Assert(true);
+                    }
+                }
+            }
+            else
+            {
+                if (unusedTextureUnitIndex.TryDequeue(out int newIndex))
+                {
+                    //has extra unused texture object
+                    imageIndexMap.Add(i, index);
+                    texturePackage.Bind2D(index);
+                    texturePackage.Set2dProperty(index, property);
+                    texturePackage.LoadTexture(index, i);
+                    usedTextureIndex.AddLast(newIndex);
+                    propertyCache[newIndex] = property;
+                    imageUpdateIndex[i] = i.PixelUpdateCount;
+                }
+                else
+                {
+                    //recycle from current
+                    int reusedIndex = usedTextureIndex.First!.Value;
+                    usedTextureIndex.RemoveFirst();
+                    usedTextureIndex.AddLast(reusedIndex);
+                    imageIndexMap[i] = reusedIndex;
+                    propertyCache[newIndex] = property;
+                    imageUpdateIndex[i] = i.PixelUpdateCount;
+                }
+            }
+        }
+
+        public static AutoTextureGL ToAuto([NotNull]TextureGL texture)
+        {
+            if (texture.IndexOfCurrentTexture != -1)
+            {
+                throw new InvalidOperationException("Texture to be converted has been editted.");
+            }
+            return new AutoTextureGL(texture);
+        }
+
+    }
+
+}