From 9f2f1ba5363a1c7d3c9b9987310115cc2dcf27ab Mon Sep 17 00:00:00 2001
From: still-flow <46608177+still-flow@users.noreply.github.com>
Date: Thu, 15 Oct 2020 00:16:31 +0300
Subject: [PATCH] force shader re-creation

---
 hyperroid/app/src/main/jni/hyper.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hyperroid/app/src/main/jni/hyper.cpp b/hyperroid/app/src/main/jni/hyper.cpp
index b665cfcb..b093c91a 100644
--- a/hyperroid/app/src/main/jni/hyper.cpp
+++ b/hyperroid/app/src/main/jni/hyper.cpp
@@ -169,6 +169,8 @@ Java_com_roguetemple_hyperroid_HyperRogue_glhrinit(MOBPAR_FORMAL)
 {
     __android_log_print(ANDROID_LOG_WARN, "HyperRogue", "glhr::init %d\n", 0);
     #if HNEW
+    // matched_programs get clobbered on activity destruction -- force their re-creation
+    if (!matched_programs.empty()) matched_programs.clear();
     glhr::init();
     #endif
     __android_log_print(ANDROID_LOG_WARN, "HyperRogue", "glhr::init done %d\n", 0);