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OrcaSlicer/src/slic3r/GUI/Jobs/TextureDisplacementPreviewJob.hpp
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2026-07-21 10:12:09 +02:00

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2.2 KiB
C++

#ifndef slic3r_TextureDisplacementPreviewJob_hpp_
#define slic3r_TextureDisplacementPreviewJob_hpp_
#include <cstdint>
#include <functional>
#include <vector>
#include "libslic3r/TextureDisplacement.hpp"
#include "libslic3r/TriangleMesh.hpp"
#include "Job.hpp"
namespace Slic3r::GUI {
// Everything process() needs, captured by value on the main thread when the job is queued -
// mirrors TextureDisplacementBakeInput, but a preview never writes back to the Model.
struct TextureDisplacementPreviewInput
{
indexed_triangle_set base_mesh;
std::vector<TextureDisplacementLayer> layers;
TextureDisplacementFacetsData facets_data;
};
// Computes the true (unbaked) displaced-mesh preview in the background. With several painted
// layers this is real, non-trivial CPU work (PNG sampling, per-layer vertex welding), which used
// to run synchronously on every paint stroke and parameter tweak and made editing feel slow with
// more than one or two layers. Unlike Bake, this never touches the live Model - a preview is
// purely informational, there is nothing to commit.
class TextureDisplacementPreviewJob : public Job
{
public:
// `generation` is an opaque token the caller controls (typically an incrementing counter):
// on_finished should only actually be applied by the caller if it still matches the caller's
// current generation when the job completes, so that a burst of edits queuing several of
// these jobs in a row can't have an earlier, now-stale result clobber a later one that
// finishes first.
TextureDisplacementPreviewJob(TextureDisplacementPreviewInput &&input, uint64_t generation,
std::function<void(indexed_triangle_set, uint64_t)> on_finished);
void process(Ctl &ctl) override;
void finalize(bool canceled, std::exception_ptr &eptr) override;
private:
TextureDisplacementPreviewInput m_input;
uint64_t m_generation;
indexed_triangle_set m_result;
std::function<void(indexed_triangle_set, uint64_t)> m_on_finished;
};
} // namespace Slic3r::GUI
#endif // slic3r_TextureDisplacementPreviewJob_hpp_