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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/embree/patches/0003-emscripten-nthreads.patch
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diff --git a/thirdparty/embree/common/sys/sysinfo.cpp b/thirdparty/embree/common/sys/sysinfo.cpp

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index 5f375cd95c..3c23fb1610 100644

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--- a/thirdparty/embree/common/sys/sysinfo.cpp

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+++ b/thirdparty/embree/common/sys/sysinfo.cpp

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@@ -659,6 +659,10 @@ namespace embree

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 #if defined(__EMSCRIPTEN__)

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 #include <emscripten.h>

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+

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+extern "C" {

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+extern int godot_js_os_hw_concurrency_get();

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+}

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 #endif

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 namespace embree

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@@ -672,6 +676,8 @@ namespace embree

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     nThreads = sysconf(_SC_NPROCESSORS_ONLN); // does not work in Linux LXC container

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     assert(nThreads);

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 #elif defined(__EMSCRIPTEN__)

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+    nThreads = godot_js_os_hw_concurrency_get();

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+#if 0

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     // WebAssembly supports pthreads, but not pthread_getaffinity_np. Get the number of logical

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     // threads from the browser or Node.js using JavaScript.

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     nThreads = MAIN_THREAD_EM_ASM_INT({

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@@ -687,6 +693,7 @@ namespace embree

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             return 1;

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         }

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     });

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+#endif

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 #else

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     cpu_set_t set;

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     if (pthread_getaffinity_np(pthread_self(), sizeof(set), &set) == 0)

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