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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2012 Blender Foundation. */
#pragma once
#include "BLI_listbase.h"
#include "COM_MultiThreadedOperation.h"
#include "DNA_mask_types.h"
#include "IMB_imbuf_types.h"
/* Forward declarations. */
struct MaskRasterHandle;
namespace blender::compositor {
/**
* Class with implementation of mask rasterization
*/
class MaskOperation : public MultiThreadedOperation {
protected:
Mask *mask_;
/* NOTE: these are used more like aspect,
* but they _do_ impact on mask detail */
int mask_width_;
int mask_height_;
float mask_width_inv_; /* `1 / mask_width_` */
float mask_height_inv_; /* `1 / mask_height_` */
float mask_px_ofs_[2];
float frame_shutter_;
int frame_number_;
bool do_feather_;
struct MaskRasterHandle *raster_mask_handles_[CMP_NODE_MASK_MBLUR_SAMPLES_MAX];
unsigned int raster_mask_handle_tot_;
/**
* Determine the output resolution. The resolution is retrieved from the Renderer
*/
void determine_canvas(const rcti &preferred_area, rcti &r_area) override;
public:
MaskOperation();
void init_execution() override;
void deinit_execution() override;
void set_mask(Mask *mask)
{
mask_ = mask;
}
void set_mask_width(int width)
{
mask_width_ = width;
mask_width_inv_ = 1.0f / (float)width;
mask_px_ofs_[0] = mask_width_inv_ * 0.5f;
}
void set_mask_height(int height)
{
mask_height_ = height;
mask_height_inv_ = 1.0f / (float)height;
mask_px_ofs_[1] = mask_height_inv_ * 0.5f;
}
void set_framenumber(int frame_number)
{
frame_number_ = frame_number;
}
void set_feather(bool feather)
{
do_feather_ = feather;
}
void set_motion_blur_samples(int samples)
{
raster_mask_handle_tot_ = MIN2(MAX2(1, samples), CMP_NODE_MASK_MBLUR_SAMPLES_MAX);
}
void set_motion_blur_shutter(float shutter)
{
frame_shutter_ = shutter;
}
void execute_pixel_sampled(float output[4], float x, float y, PixelSampler sampler) override;
void update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs) override;
private:
Vector<MaskRasterHandle *> get_non_null_handles() const;
};
} // namespace blender::compositor
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