From 1902518cd6c8954df07b5b66bc956d57ac19069b Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Sat, 4 Jul 2026 07:51:49 +0800
Subject: [PATCH] [Fix] (trace-replay): enable Vulkan fallback in APK CI

---
 .github/workflows/apk.yml                              | 1 +
 android-plugin/app/src/trace/cpp/trace_replay_core.cpp | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/.github/workflows/apk.yml b/.github/workflows/apk.yml
index 01de5305..b336579d 100644
--- a/.github/workflows/apk.yml
+++ b/.github/workflows/apk.yml
@@ -264,6 +264,7 @@ jobs:
       - name: Retrace and validate
         env:
           MOBILEGL_RETRACE_USE_ANGLE: ${{ matrix.backend.name == 'DirectGLES' && '1' || '0' }}
+          MOBILEGL_VULKAN_R11G11B10F_FALLBACK: ${{ matrix.backend.name == 'DirectVulkan' && '1' || '0' }}
         run: |
           apk_file="$(find android-retrace-apks -name '${{ matrix.backend.apk }}' -print -quit)"
           timeout "$(( ${{ matrix.case.timeout_seconds }} + 300 ))" sh android-plugin/trace-replay-ci.sh \
diff --git a/android-plugin/app/src/trace/cpp/trace_replay_core.cpp b/android-plugin/app/src/trace/cpp/trace_replay_core.cpp
index bffdfa58..cff73f03 100644
--- a/android-plugin/app/src/trace/cpp/trace_replay_core.cpp
+++ b/android-plugin/app/src/trace/cpp/trace_replay_core.cpp
@@ -135,6 +135,11 @@ bool LoadMobileGL(const Request& request, std::string& error) {
     setenv("MOBILEGL_TRACE_LIBRARY", request.mobileGlLibrary.c_str(), 1);
     setenv("MOBILEGL_TRACE_SKIP_AUTODESTROY", "1", 1);
     setenv("MOBILEGL_TRACE_SURFACE", request.usePbuffer ? "pbuffer" : "window", 1);
+    if (request.backend == "DirectVulkan") {
+        setenv("MOBILEGL_VULKAN_R11G11B10F_FALLBACK", "1", 1);
+    } else {
+        unsetenv("MOBILEGL_VULKAN_R11G11B10F_FALLBACK");
+    }
     if (UseAngleForRequest(request)) {
         setenv("MOBILEGL_RETRACE_USE_ANGLE", "1", 1);
         if (!request.angleLibraryDir.empty()) {