Upgrade OpenImageDenoise to v1.1.0

Upgrade OIDN to 1.1.0, the latest stable version that doesn't need
the ISPC compiler.

Documented the changes made during the removal of TBB and added a patch
file for them.

1 files changed, 10 insertions, 3 deletions

diff --git a/thirdparty/oidn/core/transfer_function.cpp b/thirdparty/oidn/core/transfer_function.cpp
index a33e3c84bc..487f0a9f75 100644
--- a/thirdparty/oidn/core/transfer_function.cpp
+++ b/thirdparty/oidn/core/transfer_function.cpp
@@ -24,9 +24,12 @@ namespace oidn {
   float AutoexposureNode::autoexposure(const Image& color)
   {
     assert(color.format == Format::Float3);
-    return 1.0f;
+// -- GODOT start --
+// We don't want to mess with TTB and we don't use autoexposure, so we disable this code
+#if 0
+// -- GODOT end --
 
-    /*constexpr float key = 0.18f;
+    constexpr float key = 0.18f;
     constexpr float eps = 1e-8f;
     constexpr int K = 16; // downsampling amount
 
@@ -89,7 +92,11 @@ namespace oidn {
         tbb::static_partitioner()
       );
 
-    return (sum.second > 0) ? (key / exp2(sum.first / float(sum.second))) : 1.f;*/
+    return (sum.second > 0) ? (key / exp2(sum.first / float(sum.second))) : 1.f;
+// -- GODOT start --
+#endif
+    return 1.0;
+// -- GODOT end --
   }
 
 } // namespace oidn