Patrick Mours
440a3475b8
Adds a pass before denoising that calculates the intensity of the image, which can be passed into the OptiX denoiser for more optimal results for very dark or very bright images. In addition this also fixes a crash that sometimes occurred on exit. The OptiX denoiser object has to be destroyed before the OptiX device context object (since it references that). But in C++ the destructor function of a class is called before its fields are destructed, so "~OptiXDevice" was always called before "OptiXDevice::~Denoiser" and therefore "optixDeviceContextDestroy" was called before "optixDenoiserDestroy", hence the crash. Differential Revision: https://developer.blender.org/D13160
Sphinx Warnings
: WARNING: Could not obtain image size. :scale: option is ignored.
Note the preview is not accurate and warnings may not indicate real issues.
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