Differential D12367 Diff 41308 intern/cycles/integrator/denoiser_oidn.h

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				/*
				* Copyright 2011-2021 Blender Foundation
				*
				* Licensed under the Apache License, Version 2.0 (the "License");
				* you may not use this file except in compliance with the License.
				* You may obtain a copy of the License at
				*
				* http://www.apache.org/licenses/LICENSE-2.0
				*
				* Unless required by applicable law or agreed to in writing, software
				* distributed under the License is distributed on an "AS IS" BASIS,
				* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
				* See the License for the specific language governing permissions and
				* limitations under the License.
				*/

				#pragma once

				#include "integrator/denoiser.h"
				#include "util/util_thread.h"
				#include "util/util_unique_ptr.h"

				CCL_NAMESPACE_BEGIN

				/* Implementation of denoising API which uses OpenImageDenoise library. */
				class OIDNDenoiser : public Denoiser {
				public:
				/* Forwardly declared state which might be using compile-flag specific fields, such as
				* OpenImageDenoise device and filter handles. */
				class State;

				OIDNDenoiser(Device *path_trace_device, const DenoiseParams &params);

				virtual bool denoise_buffer(const BufferParams &buffer_params,
				RenderBuffers *render_buffers,
				const int num_samples,
				bool allow_inplace_modification) override;

				protected:
				virtual uint get_device_type_mask() const override;

				/* We only perform one denoising at a time, since OpenImageDenoise itself is multithreaded.
				* Use this mutex whenever images are passed to the OIDN and needs to be denoised. */
				static thread_mutex mutex_;
				};

				CCL_NAMESPACE_END