feat: Add WebP texture support as an Addon

.gitattributes

@@ -4,3 +4,7 @@
 *.bin filter=lfs diff=lfs merge=lfs -text
 *.gif filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
+*.ktx2 filter=lfs diff=lfs merge=lfs -text
+*.ktx filter=lfs diff=lfs merge=lfs -text
+*.bytes filter=lfs diff=lfs merge=lfs -text
+*.webp filter=lfs diff=lfs merge=lfs -text

.github/ISSUE_TEMPLATE/bug_report.md

@@ -16,7 +16,8 @@ Attach or link to *.gltf/*.glb files that trigger the bug.
 
 In addition, make sure to run those files through the [glTF Validator](https://github.khronos.org/glTF-Validator) first. If you encounter errors or warnings, try to make sure they are not responsible for the issue and file a bug report with the software that generated the glTF file as well.
 
-> Note: You have to ZIP archive them first in order for GitHub to accept the upload.
+> [!TIP]
+> You have to ZIP archive them first in order for GitHub to accept the upload.
 
 If your files are confidential:
 

.github/contributing.md

@@ -0,0 +1,3 @@
+# Contributing
+
+This repository is a mirror/read-only. Please contribute to Unity's fork at <https://github.com/Unity-Technologies/com.unity.cloud.gltfast>

.github/pull_request_template.md

@@ -0,0 +1,2 @@
+> [!IMPORTANT]
+> Please submit contributions to <https://github.com/Unity-Technologies/com.unity.cloud.gltfast> instead. This repository is a mirror/read-only.

.github/workflows/close-pull-request.yml

@@ -0,0 +1,25 @@
+name: Close pull request
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  close:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            👋 Thanks for opening a pull request!
+
+            Unfortunately contributions are only accepted on Unity's fork.
+
+            Please resubmit your changes here instead:
+            👉 <https://github.com/Unity-Technologies/com.unity.cloud.gltfast>
+
+            > [!NOTE]  
+            > Unity's fork is structured as a [monorepo](https://en.wikipedia.org/wiki/Monorepo), so you need to move your changes into the appropriate subfolder (`Packages/com.unity.cloud.gltfast`).
+
+            Thank you! 🙏

.gitignore

@@ -7,16 +7,19 @@ Assets/AssetStoreTools*
 
 .DS_Store
 
+# GitHub Action artifacts
+.tmp-*
+
 # Visual Studio cache directory
 /.vs/
 /.vscode/
 
 # Autogenerated VS/MD/Consulo solution and project files
 ExportedObj/
 .consulo/
-*.csproj
+Projects/**/*.csproj
 *.unityproj
-*.sln
+Projects/**/*.sln
 *.suo
 *.tmp
 *.user
@@ -39,3 +42,34 @@ sysinfo.txt
 
 # Rider
 **/.idea
+
+# Unity tooling
+/upm-ci~
+/test-results~
+/pvp-results
+
+# glTFast test projects
+/Projects/*/ProjectSettings/*
+!Projects/*/ProjectSettings/ProjectSettings.asset
+!Projects/*/ProjectSettings/ProjectVersion.txt
+!Projects/*/ProjectSettings/GraphicsSettings.asset
+!Projects/*/ProjectSettings/HDRPProjectSettings.asset
+/Projects/*/UserSettings
+/Projects/*/Assets/Resources*
+/Projects/*/Assets/StreamingAssets*
+/Projects/*/Packages/packages-lock.json
+/Projects/*/Logs
+
+# CI Tools
+Tools/CI/bin
+
+# Graphify
+graphify-out/.graphify_*
+graphify-out/cache
+graphify-out/cost.json
+graphify-out/graph.html
+graphify-out/manifest.json
+
+# Claude Code
+.claude/worktrees
+.claude/settings.local.json