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ede17237ad
Adds the option to apply subpixel jitter offsets calculated using a halton sequence to camera sampling, which are updated every frame, while also passing those offsets to denoisers for processing. Pull Request: https://projects.blender.org/blender/blender/pulls/153544
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#pragma once
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#ifdef WITH_OPTIX
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# include "integrator/denoiser_gpu.h"
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# include "device/optix/util.h"
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CCL_NAMESPACE_BEGIN
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/* Implementation of denoising API which uses the OptiX denoiser. */
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class OptiXDenoiser : public DenoiserGPU {
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public:
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OptiXDenoiser(Device *denoiser_device, const DenoiseParams ¶ms);
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~OptiXDenoiser();
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virtual bool denoise_buffer(const BufferParams &buffer_params,
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const BufferParams &denoised_buffer_params,
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RenderBuffers *render_buffers,
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int num_samples,
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bool allow_inplace_modification,
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float2 pixel_jitter) override;
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static bool is_device_supported(const DeviceInfo &device);
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private:
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/* Set fake albedo pixels in the albedo guiding pass storage.
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* After this point only passes which do not need albedo for denoising can be processed. */
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bool denoise_filter_guiding_set_fake_albedo(const DenoiseContext &context);
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/* Create OptiX denoiser descriptor if needed.
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* Will do nothing if the current OptiX descriptor is usable for the given parameters.
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* If the OptiX denoiser descriptor did re-allocate here it is left unconfigured. */
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virtual bool denoise_create_if_needed(DenoiseContext &context) override;
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/* Configure existing OptiX denoiser descriptor for the use for the given task. */
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virtual bool denoise_configure_if_needed(DenoiseContext &context) override;
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/* Run configured denoiser. */
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virtual bool denoise_run(const DenoiseContext &context, const DenoisePass &pass) override;
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OptixDenoiser optix_denoiser_ = nullptr;
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/* Configuration size, as provided to `optixDenoiserSetup`.
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* If the `optixDenoiserSetup()` was never used on the current `optix_denoiser` the
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* `is_configured` will be false. */
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bool is_configured_ = false;
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int2 configured_size_ = make_int2(0, 0);
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/* OptiX denoiser state and scratch buffers, stored in a single memory buffer.
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* The memory layout goes as following: [denoiser state][scratch buffer]. */
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device_only_memory<unsigned char> state_;
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OptixDenoiserSizes sizes_ = {};
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bool use_pass_albedo_ = false;
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bool use_pass_normal_ = false;
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bool use_pass_motion_ = false;
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bool use_upscale_model_ = false;
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};
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CCL_NAMESPACE_END
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#endif
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