Maybe fixed: Texture becomes upside down when Shader Keyword _SYNTHESIZED_TEXTURE is enabled.

Author: H3idi-X

com.unity.toonshader/Editor/TextureSynthesizer/TextureSynthesizer.cs

@@ -190,7 +190,7 @@ internal static void Proc(ref Texture outTexture)
                 material.SetTexture(strS2, Source2);
                 material.SetTexture(strS3, Source3);
             }
-#if true
+#if false
 //            int tempTextureIdentifier = Shader.PropertyToID("TmpTexture");
             s_CommandBuffer.Clear();
 
@@ -213,9 +213,10 @@ internal static void Proc(ref Texture outTexture)
 //            s_CommandBuffer.ReleaseTemporaryRT(tempTextureIdentifier);
             Graphics.ExecuteCommandBuffer(s_CommandBuffer);
 #else
-            Graphics.Blit(Source0, s_DebugRenderTexture);
+            Graphics.Blit(Source0, s_DebugRenderTexture, material);
+            Graphics.CopyTexture(s_DebugRenderTexture, outTexture);
 #endif
-            SyncGPU();
+            //            SyncGPU();
         }
 
         internal static void SyncGPU()