Merge pull request #153 from SoGameStudio/master

修复（Unity）：打开包工具面板时避免DX12崩溃

Author: liangxiegame

QFramework.Unity2018+/Assets/QFramework/Toolkits/_CoreKit/PackageKit/Markdown/MDHandlerImages.cs

@@ -95,7 +95,7 @@ public AnimatedTexture GetAnimatedTexture()
 
                 while (img != null)
                 {
-                    anim.Add(img.CreateTexture(), img.Delay / 1000.0f);
+                    anim.Add(img.CreateTexture(), img.Delay > 0 ? img.Delay / 1000.0f : 0.1f);
                     img = decoder.NextImage();
                 }
 

QFramework.Unity2018+/Assets/QFramework/Toolkits/_CoreKit/PackageKit/Markdown/MDMGGifs.cs

@@ -36,13 +36,34 @@ public object Clone()
 
         public Texture2D CreateTexture()
         {
-            var tex = new Texture2D(Width, Height, TextureFormat.ARGB32, false)
+            if (Width <= 0 || Height <= 0)
+            {
+                return Texture2D.blackTexture;
+            }
+
+            var expectedPixelCount = Width * Height;
+            var pixels = RawImage;
+
+            if (pixels == null || pixels.Length != expectedPixelCount)
+            {
+                var sanitizedPixels = new Color32[expectedPixelCount];
+
+                if (pixels != null && pixels.Length > 0)
+                {
+                    Array.Copy(pixels, sanitizedPixels, Math.Min(pixels.Length, sanitizedPixels.Length));
+                }
+
+                pixels = sanitizedPixels;
+            }
+
+            // DX12 下 ARGB32 在部分 Unity 版本会触发底层纹理上传问题，RGBA32 更稳定。
+            var tex = new Texture2D(Width, Height, TextureFormat.RGBA32, false)
             {
                 filterMode = FilterMode.Point,
                 wrapMode = TextureWrapMode.Clamp
             };
 
-            tex.SetPixels32(RawImage);
+            tex.SetPixels32(pixels);
             tex.Apply();
 
             return tex;
@@ -1102,4 +1123,4 @@ public static string Ident()
             return $"{v} {e}{s}{b} {n}";
         }
     }
-}
+}