Generate mipmaps for textures

project/code/TMV/TextureLoader.Gif.cs

@@ -7,12 +7,12 @@ public partial class TextureLoader
 {
     // References:
     // - https://www.w3.org/Graphics/GIF/spec-gif89a.txt
-    private static ImageTexture LoadGif(string path)
+    private static Image LoadGif(string path)
     {
         var gif = new GifDecoder(path);
         var gifImage = gif.GetImage(0);
         var bytes = gifImage.GetRgbaBytes();
         var image = Image.CreateFromData(gifImage.Width, gifImage.Height, false, Image.Format.Rgba8, bytes);
-        return ImageTexture.CreateFromImage(image);
+        return image;
     }
 }

project/code/TMV/TextureLoader.Pcx.cs

@@ -12,7 +12,7 @@ public partial class TextureLoader
     // References:
     // - https://www.fileformat.info/format/pcx/egff.htm
     // - http://www.fysnet.net/pcxfile.htm
-    private static ImageTexture LoadPcx(string path)
+    private static Image LoadPcx(string path)
     {
         static Color[] LoadFamilyPalette(string famPath)
         {
@@ -119,6 +119,6 @@ public partial class TextureLoader
             }
         }
 
-        return ImageTexture.CreateFromImage(image);
+        return image;
     }
 }

project/code/TMV/TextureLoader.cs

@@ -60,13 +60,14 @@ public partial class TextureLoader
         string[] validExtensions = { "png", "tga", "pcx", "gif" };
         if (validExtensions.Contains(ext))
         {
-            var texture = ext switch
+            var image = ext switch
             {
                 "pcx" => LoadPcx(path),
                 "gif" => LoadGif(path),
-                _ => ImageTexture.CreateFromImage(Image.LoadFromFile(path)),
+                _ => Image.LoadFromFile(path),
             };
-            return texture;
+            image.GenerateMipmaps();
+            return ImageTexture.CreateFromImage(image);
         }
         return null;
     }