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path: root/thirdparty/oidn/patches/godot-changes-c58c5216.patch
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diff --git a/common/platform.h b/common/platform.h
index be14bc7..9373b61 100644
--- a/common/platform.h
+++ b/common/platform.h
@@ -19,7 +19,7 @@
 #if defined(_WIN32)
   #define WIN32_LEAN_AND_MEAN
   #define NOMINMAX
-  #include <Windows.h>
+  #include <windows.h>
 #elif defined(__APPLE__)
   #include <sys/sysctl.h>
 #endif
@@ -129,4 +129,3 @@ namespace oidn {
   std::string getBuildName();
 
 } // namespace oidn
-
diff --git a/core/autoencoder.cpp b/core/autoencoder.cpp
index d6915e6..d8da684 100644
--- a/core/autoencoder.cpp
+++ b/core/autoencoder.cpp
@@ -90,13 +90,19 @@ namespace oidn {
     if (!dirty)
       return;
 
-    device->executeTask([&]()
-    {
+    // -- GODOT start --
+    //device->executeTask([&]()
+    //{
+    // GODOT end --
+
       if (mayiuse(avx512_common))
         net = buildNet<16>();
       else
         net = buildNet<8>();
-    });
+
+    // GODOT start --    
+    //});
+    // GODOT end --
 
     dirty = false;
   }
@@ -108,9 +114,10 @@ namespace oidn {
 
     if (!net)
       return;
-
-    device->executeTask([&]()
-    {
+    // -- GODOT start --
+    //device->executeTask([&]()
+    //{
+    // -- GODOT end --
       Progress progress;
       progress.func = progressFunc;
       progress.userPtr = progressUserPtr;
@@ -156,7 +163,9 @@ namespace oidn {
           tileIndex++;
         }
       }
-    });
+    // -- GODOT start --
+    //});
+    // -- GODOT end --
   }
 
   void AutoencoderFilter::computeTileSize()
@@ -464,6 +473,11 @@ namespace oidn {
       return std::make_shared<GammaTransferFunction>();
   }
 
+// -- GODOT start --
+// Godot doesn't need Raytracing filters. Removing them saves space in the weights files.
+#if 0
+// -- GODOT end --
+
   // --------------------------------------------------------------------------
   // RTFilter
   // --------------------------------------------------------------------------
@@ -491,6 +505,9 @@ namespace oidn {
     weightData.hdr_alb     = weights::rt_hdr_alb;
     weightData.hdr_alb_nrm = weights::rt_hdr_alb_nrm;
   }
+// -- GODOT start --
+#endif
+// -- GODOT end --
 
   // --------------------------------------------------------------------------
   // RTLightmapFilter
diff --git a/core/autoencoder.h b/core/autoencoder.h
index c199052..98b6108 100644
--- a/core/autoencoder.h
+++ b/core/autoencoder.h
@@ -93,11 +93,18 @@ namespace oidn {
   // RTFilter - Generic ray tracing denoiser
   // --------------------------------------------------------------------------
 
+// -- GODOT start --
+// Godot doesn't need Raytracing filters. Removing them saves space in the weights files.
+#if 0
+// -- GODOT end --
   class RTFilter : public AutoencoderFilter
   {
   public:
     explicit RTFilter(const Ref<Device>& device);
   };
+// -- GODOT start --
+#endif
+// -- GODOT end --
 
   // --------------------------------------------------------------------------
   // RTLightmapFilter - Ray traced lightmap denoiser
diff --git a/core/common.h b/core/common.h
index a3a7e8a..a35dd90 100644
--- a/core/common.h
+++ b/core/common.h
@@ -27,7 +27,9 @@
 #include "common/ref.h"
 #include "common/exception.h"
 #include "common/thread.h"
-#include "common/tasking.h"
+// -- GODOT start --
+//#include "common/tasking.h"
+// -- GODOT end --
 #include "math.h"
 
 namespace oidn {
diff --git a/core/device.cpp b/core/device.cpp
index c455695..3cd658b 100644
--- a/core/device.cpp
+++ b/core/device.cpp
@@ -29,7 +29,9 @@ namespace oidn {
 
   Device::~Device()
   {
-    observer.reset();
+    // -- GODOT start --
+    //observer.reset();
+    // -- GODOT end --
   }
 
   void Device::setError(Device* device, Error code, const std::string& message)
@@ -141,6 +143,9 @@ namespace oidn {
     if (isCommitted())
       throw Exception(Error::InvalidOperation, "device can be committed only once");
 
+    // -- GODOT start --
+    #if 0
+    // -- GODOT end --
     // Get the optimal thread affinities
     if (setAffinity)
     {
@@ -157,7 +162,10 @@ namespace oidn {
     // Automatically set the thread affinities
     if (affinity)
       observer = std::make_shared<PinningObserver>(affinity, *arena);
-
+    // -- GODOT start --
+    #endif
+    numThreads = 1;
+    // -- GODOT end --
     dirty = false;
 
     if (isVerbose())
@@ -191,9 +199,17 @@ namespace oidn {
 
     Ref<Filter> filter;
 
+// -- GODOT start --
+// Godot doesn't need Raytracing filters. Removing them saves space in the weights files.
+#if 0
+// -- GODOT end --
     if (type == "RT")
       filter = makeRef<RTFilter>(Ref<Device>(this));
-    else if (type == "RTLightmap")
+// -- GODOT start --
+// Godot doesn't need Raytracing filters. Removing them saves space in the weights files.
+#endif
+    if (type == "RTLightmap")
+// -- GODOT end --
       filter = makeRef<RTLightmapFilter>(Ref<Device>(this));
     else
       throw Exception(Error::InvalidArgument, "unknown filter type");
@@ -210,11 +226,12 @@ namespace oidn {
     std::cout << "  Build   : " << getBuildName() << std::endl;
     std::cout << "  Platform: " << getPlatformName() << std::endl;
 
-    std::cout << "  Tasking :";
-    std::cout << " TBB" << TBB_VERSION_MAJOR << "." << TBB_VERSION_MINOR;
-    std::cout << " TBB_header_interface_" << TBB_INTERFACE_VERSION << " TBB_lib_interface_" << tbb::TBB_runtime_interface_version();
-    std::cout << std::endl;
-
+// -- GODOT start --
+//    std::cout << "  Tasking :";
+//    std::cout << " TBB" << TBB_VERSION_MAJOR << "." << TBB_VERSION_MINOR;
+//    std::cout << " TBB_header_interface_" << TBB_INTERFACE_VERSION << " TBB_lib_interface_" << tbb::TBB_runtime_interface_version();
+//    std::cout << std::endl;
+// -- GODOT end --
     std::cout << std::endl;
   }
 
diff --git a/core/device.h b/core/device.h
index c2df714..d9cfd85 100644
--- a/core/device.h
+++ b/core/device.h
@@ -41,10 +41,12 @@ namespace oidn {
     ErrorFunction errorFunc = nullptr;
     void* errorUserPtr = nullptr;
 
-    // Tasking
-    std::shared_ptr<tbb::task_arena> arena;
-    std::shared_ptr<PinningObserver> observer;
-    std::shared_ptr<ThreadAffinity> affinity;
+// -- GODOT start --
+//    // Tasking
+//    std::shared_ptr<tbb::task_arena> arena;
+//    std::shared_ptr<PinningObserver> observer;
+//    std::shared_ptr<ThreadAffinity> affinity;
+// -- GODOT end --
 
     // Parameters
     int numThreads = 0; // autodetect by default
@@ -66,17 +68,19 @@ namespace oidn {
 
     void commit();
 
-    template<typename F>
-    void executeTask(F& f)
-    {
-      arena->execute(f);
-    }
+// -- GODOT start --
+//    template<typename F>
+//    void executeTask(F& f)
+//    {
+//      arena->execute(f);
+//    }
 
-    template<typename F>
-    void executeTask(const F& f)
-    {
-      arena->execute(f);
-    }
+//    template<typename F>
+//    void executeTask(const F& f)
+//    {
+//      arena->execute(f);
+//    }
+// -- GODOT end --
 
     Ref<Buffer> newBuffer(size_t byteSize);
     Ref<Buffer> newBuffer(void* ptr, size_t byteSize);
@@ -86,7 +90,10 @@ namespace oidn {
     __forceinline std::mutex& getMutex() { return mutex; }
 
   private:
-    bool isCommitted() const { return bool(arena); }
+// -- GODOT start --
+  //bool isCommitted() const { return bool(arena); }
+  bool isCommitted() const { return false; }
+// -- GODOT end --
     void checkCommitted();
 
     void print();
diff --git a/core/network.cpp b/core/network.cpp
index 8c2de09..ed8328c 100644
--- a/core/network.cpp
+++ b/core/network.cpp
@@ -17,6 +17,9 @@
 #include "upsample.h"
 #include "weights_reorder.h"
 #include "network.h"
+// -- GODOT start -- 
+#include <cstring>
+// -- GODOT end --
 
 namespace oidn {
 
diff --git a/core/transfer_function.cpp b/core/transfer_function.cpp
index 601f814..ce5deca 100644
--- a/core/transfer_function.cpp
+++ b/core/transfer_function.cpp
@@ -38,16 +38,24 @@ namespace oidn {
     // Compute the average log luminance of the downsampled image
     using Sum = std::pair<float, int>;
 
-    Sum sum =
-      tbb::parallel_reduce(
-        tbb::blocked_range2d<int>(0, HK, 0, WK),
-        Sum(0.f, 0),
-        [&](const tbb::blocked_range2d<int>& r, Sum sum) -> Sum
+    // -- GODOT start --
+    // Sum sum =
+    //   tbb::parallel_reduce(
+    //     tbb::blocked_range2d<int>(0, HK, 0, WK),
+    //     Sum(0.f, 0),
+    //     [&](const tbb::blocked_range2d<int>& r, Sum sum) -> Sum
+    //     {
+    //       // Iterate over blocks
+    //       for (int i = r.rows().begin(); i != r.rows().end(); ++i)
+    //       {
+    //         for (int j = r.cols().begin(); j != r.cols().end(); ++j)
+    //         {
+
+    Sum sum = Sum(0.0f, 0);
+
+    for (int i = 0; i != HK; ++i)
     {
-          // Iterate over blocks
-          for (int i = r.rows().begin(); i != r.rows().end(); ++i)
-          {
-            for (int j = r.cols().begin(); j != r.cols().end(); ++j)
+      for (int j = 0; j != WK; ++j)
       {
         // Compute the average luminance in the current block
         const int beginH = int(ptrdiff_t(i)   * H / HK);
@@ -82,11 +90,12 @@ namespace oidn {
       }
     }
 
-          return sum;
-        },
-        [](Sum a, Sum b) -> Sum { return Sum(a.first+b.first, a.second+b.second); },
-        tbb::static_partitioner()
-      );
+    //     return sum;
+    //   },
+    //   [](Sum a, Sum b) -> Sum { return Sum(a.first+b.first, a.second+b.second); },
+    //   tbb::static_partitioner()
+    // );
+    // -- GODOT end --
 
     return (sum.second > 0) ? (key / exp2(sum.first / float(sum.second))) : 1.f;
   }