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Significantly improved image quality of the RT filter in high quality
mode for HDR denoising with prefiltering, i.e., the following combinations
of input features and parameters:
- HDR color + albedo + normal + cleanAux
- albedo
- normal
In these cases a much more complex filter is used, which results in lower
performance than before (about 2x). To revert to the previous performance
behavior, please switch to the balanced quality mode.
Added fast quality mode (OIDN_QUALITY_FAST) for even higher performance
(about 1.5-2x) interactive/real-time previews and lower default memory usage
at the cost of somewhat lower image quality. Currently this is implemented
for the RT filter except prefiltering (albedo, normal). In other cases
denoising implicitly falls back to balanced mode.
Added Intel Arrow Lake, Lunar Lake, and Battlemage GPU support
Execute Async functions asynchronously on CPU devices as well
Added oidnIsCPUDeviceSupported, oidnIsSYCLDeviceSupported, oidnIsCUDADeviceSupported, oidnIsHIPDeviceSupported,
and oidnIsMetalDeviceSupported API functions for checking whether a
physical device of a particular type is supported
Release the CUDA primary context when destroying the device object if using
the CUDA driver API
Added OIDN_LIBRARY_NAME CMake option for setting the base name of the Open
Image Denoise library files
Fixed device creation error with oidnNewDevice when the default device of
the specified type (e.g. CUDA) is not supported but there are other
supported non-default devices of that type in the system
Fixed CMake error when building with Metal support using non-Apple Clang
Fixed iOS build errors
Added support for building with ROCm 6.x
oidnNewCUDADevice and oidnNewHIPDevice no longer accept negative device
IDs. If the goal is to use the current device, its actual ID needs to be
passed.
Upgraded to oneTBB 2021.12.0 in the official binaries
Training:
Improved training performance on CUDA and MPS devices, added --compile
option
Added --quality option (high, balanced, fast) for selecting the
size of the model to train, changed the default from balanced to high
Added new models to the --model option (unet_small, unet_large, unet_xl)
Added support for training with prefiltered auxiliary features by
passing --aux_results to preprocess.py and train.py