godot/thirdparty/embree/patches/godot-changes-android.patch

diff --git a/thirdparty/embree/common/sys/sysinfo.cpp b/thirdparty/embree/common/sys/sysinfo.cpp
index ba97dc227b..1679599608 100644
--- a/thirdparty/embree/common/sys/sysinfo.cpp
+++ b/thirdparty/embree/common/sys/sysinfo.cpp
@@ -618,7 +618,10 @@ namespace embree
     static int nThreads = -1;
     if (nThreads != -1) return nThreads;
 
-#if defined(__MACOSX__)
+// -- GODOT start --
+// #if defined(__MACOSX__)
+#if defined(__MACOSX__) || defined(__ANDROID__)
+// -- GODOT end --
     nThreads = sysconf(_SC_NPROCESSORS_ONLN); // does not work in Linux LXC container
     assert(nThreads);
 #else
diff --git a/thirdparty/embree/common/sys/thread.cpp b/thirdparty/embree/common/sys/thread.cpp
index a7827e18f7..f4014be89b 100644
--- a/thirdparty/embree/common/sys/thread.cpp
+++ b/thirdparty/embree/common/sys/thread.cpp
@@ -158,7 +158,9 @@ namespace embree
 /// Linux Platform
 ////////////////////////////////////////////////////////////////////////////////
 
-#if defined(__LINUX__)
+// -- GODOT start --
+#if defined(__LINUX__) && !defined(__ANDROID__)
+// -- GODOT end --
 
 #include <fstream>
 #include <sstream>
@@ -247,6 +249,28 @@ namespace embree
 }
 #endif
 
+// -- GODOT start --
+////////////////////////////////////////////////////////////////////////////////
+/// Android Platform
+////////////////////////////////////////////////////////////////////////////////
+
+#if defined(__ANDROID__)
+
+namespace embree
+{
+  /*! set affinity of the calling thread */
+  void setAffinity(ssize_t affinity)
+  {
+    cpu_set_t cset;
+    CPU_ZERO(&cset);
+    CPU_SET(affinity, &cset);
+
+    sched_setaffinity(0, sizeof(cset), &cset);
+  }
+}
+#endif
+// -- GODOT end --
+
 ////////////////////////////////////////////////////////////////////////////////
 /// FreeBSD Platform
 ////////////////////////////////////////////////////////////////////////////////
@@ -355,7 +379,9 @@ namespace embree
     pthread_attr_destroy(&attr);
 
     /* set affinity */
-#if defined(__LINUX__)
+// -- GODOT start --
+#if defined(__LINUX__) && !defined(__ANDROID__)
+// -- GODOT end --
     if (threadID >= 0) {
       cpu_set_t cset;
       CPU_ZERO(&cset);
@@ -370,7 +396,16 @@ namespace embree
       CPU_SET(threadID, &cset);
       pthread_setaffinity_np(*tid, sizeof(cset), &cset);
     }
+// -- GODOT start --
+#elif defined(__ANDROID__)
+    if (threadID >= 0) {
+      cpu_set_t cset;
+      CPU_ZERO(&cset);
+      CPU_SET(threadID, &cset);
+      sched_setaffinity(pthread_gettid_np(*tid), sizeof(cset), &cset);
+    }
 #endif
+// -- GODOT end --
 
     return thread_t(tid);
   }
@@ -389,8 +424,14 @@ namespace embree
 
   /*! destroy a hardware thread by its handle */
   void destroyThread(thread_t tid) {
+// -- GODOT start --
+#if defined(__ANDROID__)
+    FATAL("Can't destroy threads on Android.");
+#else
     pthread_cancel(*(pthread_t*)tid);
     delete (pthread_t*)tid;
+#endif
+// -- GODOT end --
   }
 
   /*! creates thread local storage */