Quest Fixed Vulkan pipeline cache management and storage mechanisms

android/QuestGameKit.psm1

@@ -539,7 +539,10 @@ function Invoke-QuestGameBuild {
     }
     $allObjects = @($sources.Keys | ForEach-Object { $objectsOf[$_] } | ForEach-Object { & $escape $_.Substring($build.Length + 1) })
     $rspInputs = ($linkInputs | ForEach-Object { ConvertTo-QuotedArgument $_ }) -join ' '
-    [void]$ninjaText.AppendLine("build libmain.so: link $($allObjects -join ' ')`n  flags = $(& $escape "$build/link.rsp")`n  inputs = $($rspInputs.Replace('$', '$$'))")
+    # The kit's objects and archives keep their names from one kit export to the next, so they are
+    # implicit inputs of the link: a game built against an earlier kit is relinked, not reused.
+    $kitInputs = @($linkInputs | Where-Object { $_.StartsWith($kit) } | ForEach-Object { & $escape $_ })
+    [void]$ninjaText.AppendLine("build libmain.so: link $($allObjects -join ' ') | $($kitInputs -join ' ')`n  flags = $(& $escape "$build/link.rsp")`n  inputs = $($rspInputs.Replace('$', '$$'))")
     [IO.File]::WriteAllText("$build/build.ninja", $ninjaText.ToString(), (New-Object Text.UTF8Encoding $false))
 
     # Ninja's progress goes to the console, not into this function's return value; its [n/N]

android/app/src/main/java/org/wiicompiled/quest/QuestActivity.kt

@@ -97,13 +97,17 @@ class QuestActivity : SDLActivity() {
 
     /**
      * Copies runtime_resources/ from the APK assets into private storage the
-     * first time this build runs. A stamp file keyed on the version code keeps
-     * every later launch to one existence check.
+     * first time this build runs. A stamp file keyed on the version and the
+     * install time keeps every later launch to one existence check.
      */
     private fun unpackRuntimeResources(): File {
         val target = File(filesDir, "runtime_resources")
         val stamp = File(target, ".version")
-        val expected = "${BuildConfig.VERSION_CODE}:${BuildConfig.VERSION_NAME}"
+        // The version fields stay the same across sideloaded builds, so the install time is what
+        // keeps a rebuilt APK from reusing the previous build's bundled pipeline cache.
+        @Suppress("DEPRECATION")
+        val installedAt = packageManager.getPackageInfo(packageName, 0).lastUpdateTime
+        val expected = "${BuildConfig.VERSION_CODE}:${BuildConfig.VERSION_NAME}:$installedAt"
         if (stamp.isFile && stamp.readText() == expected) {
             return target
         }