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/*
* Copyright 2011-2013 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.
*/
#ifndef __DEVICE_TASK_H__
#define __DEVICE_TASK_H__
#include "device/device_memory.h"
#include "util/util_function.h"
#include "util/util_list.h"
#include "util/util_task.h"
CCL_NAMESPACE_BEGIN
/* Device Task */
class Device;
class RenderBuffers;
class RenderTile;
class Tile;
class DenoiseParams {
public:
/* Pixel radius for neighboring pixels to take into account. */
int radius;
/* Controls neighbor pixel weighting for the denoising filter. */
float strength;
/* Preserve more or less detail based on feature passes. */
float feature_strength;
/* When removing pixels that don't carry information,
* use a relative threshold instead of an absolute one. */
bool relative_pca;
/* How many frames before and after the current center frame are included. */
int neighbor_frames;
/* Clamp the input to the range of +-1e8. Should be enough for any legitimate data. */
bool clamp_input;
/* Passes handed over to the OptiX denoiser (default to color + albedo). */
int optix_input_passes;
DenoiseParams()
{
radius = 8;
strength = 0.5f;
feature_strength = 0.5f;
relative_pca = false;
neighbor_frames = 2;
clamp_input = true;
optix_input_passes = 2;
}
};
class AdaptiveSampling {
public:
AdaptiveSampling();
int align_static_samples(int samples) const;
int align_dynamic_samples(int offset, int samples) const;
bool need_filter(int sample) const;
bool use;
int adaptive_step;
int min_samples;
};
class DeviceTask : public Task {
public:
typedef enum { RENDER, FILM_CONVERT, SHADER, DENOISE_BUFFER } Type;
Type type;
int x, y, w, h;
device_ptr rgba_byte;
device_ptr rgba_half;
device_ptr buffer;
int sample;
int num_samples;
int offset, stride;
device_ptr shader_input;
device_ptr shader_output;
int shader_eval_type;
int shader_filter;
int shader_x, shader_w;
RenderBuffers *buffers;
explicit DeviceTask(Type type = RENDER);
int get_subtask_count(int num, int max_size = 0);
void split(list<DeviceTask> &tasks, int num, int max_size = 0);
void update_progress(RenderTile *rtile, int pixel_samples = -1);
function<bool(Device *device, RenderTile &, uint)> acquire_tile;
function<void(long, int)> update_progress_sample;
function<void(RenderTile &)> update_tile_sample;
function<void(RenderTile &)> release_tile;
function<bool()> get_cancel;
function<void(RenderTile *, Device *)> map_neighbor_tiles;
function<void(RenderTile *, Device *)> unmap_neighbor_tiles;
uint tile_types;
DenoiseParams denoising;
bool denoising_from_render;
vector<int> denoising_frames;
bool denoising_do_filter;
bool denoising_use_optix;
bool denoising_write_passes;
int pass_stride;
int frame_stride;
int target_pass_stride;
int pass_denoising_data;
int pass_denoising_clean;
bool need_finish_queue;
bool integrator_branched;
AdaptiveSampling adaptive_sampling;
protected:
double last_update_time;
};
CCL_NAMESPACE_END
#endif /* __DEVICE_TASK_H__ */
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