blender/intern/cycles/integrator/denoiser_optix.h
Stefan Werner d7f1e6fb12 Cycles: GPU denoising refactor
Moved more generic code from OptiX to GPU denoiser in order to reuse
it for OIDN GPU support.

Pull Request: https://projects.blender.org/blender/blender/pulls/112229
2023-09-11 17:09:23 +02:00

63 lines
2.0 KiB
C++

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
#pragma once
#ifdef WITH_OPTIX
# include "integrator/denoiser_gpu.h"
# include "device/optix/util.h"
CCL_NAMESPACE_BEGIN
/* Implementation of denoising API which uses the OptiX denoiser. */
class OptiXDenoiser : public DenoiserGPU {
public:
OptiXDenoiser(Device *path_trace_device, const DenoiseParams &params);
~OptiXDenoiser();
protected:
virtual uint get_device_type_mask() const override;
private:
virtual bool denoise_buffer(const DenoiseTask &task) override;
/* Set fake albedo pixels in the albedo guiding pass storage.
* After this point only passes which do not need albedo for denoising can be processed. */
bool denoise_filter_guiding_set_fake_albedo(const DenoiseContext &context);
/* Create OptiX denoiser descriptor if needed.
* Will do nothing if the current OptiX descriptor is usable for the given parameters.
* If the OptiX denoiser descriptor did re-allocate here it is left unconfigured. */
virtual bool denoise_create_if_needed(DenoiseContext &context) override;
/* Configure existing OptiX denoiser descriptor for the use for the given task. */
virtual bool denoise_configure_if_needed(DenoiseContext &context) override;
/* Run configured denoiser. */
virtual bool denoise_run(const DenoiseContext &context, const DenoisePass &pass) override;
OptixDenoiser optix_denoiser_ = nullptr;
/* Configuration size, as provided to `optixDenoiserSetup`.
* If the `optixDenoiserSetup()` was never used on the current `optix_denoiser` the
* `is_configured` will be false. */
bool is_configured_ = false;
int2 configured_size_ = make_int2(0, 0);
/* OptiX denoiser state and scratch buffers, stored in a single memory buffer.
* The memory layout goes as following: [denoiser state][scratch buffer]. */
device_only_memory<unsigned char> state_;
OptixDenoiserSizes sizes_ = {};
bool use_pass_albedo_ = false;
bool use_pass_normal_ = false;
bool use_pass_motion_ = false;
};
CCL_NAMESPACE_END
#endif