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// Effect: Base class for effects with multi-input/multi-output support
#ifndef EFFECT_H
#define EFFECT_H
#pragma once
#include "gpu/gpu.h"
#include "gpu/sequence.h"
#include <string>
#include <vector>
class NodeRegistry;
class Effect {
public:
Effect(const GpuContext& ctx, const std::vector<std::string>& inputs,
const std::vector<std::string>& outputs, float start_time,
float end_time);
virtual ~Effect() = default;
// Optional: Declare temporary nodes (e.g., multi-pass intermediate buffers)
virtual void declare_nodes(NodeRegistry& registry) {
(void)registry;
}
// Dispatch render with automatic passthrough outside [start, end]
void dispatch_render(WGPUCommandEncoder encoder,
const UniformsSequenceParams& params,
NodeRegistry& nodes);
// Render effect (multi-input/multi-output) - override in derived classes
virtual void render(WGPUCommandEncoder encoder,
const UniformsSequenceParams& params,
NodeRegistry& nodes) = 0;
// Resize notification
virtual void resize(int width, int height) {
width_ = width;
height_ = height;
}
const std::vector<std::string>& input_nodes() const {
return input_nodes_;
}
const std::vector<std::string>& output_nodes() const {
return output_nodes_;
}
protected:
const GpuContext& ctx_;
std::vector<std::string> input_nodes_;
std::vector<std::string> output_nodes_;
int width_ = 1280;
int height_ = 720;
private:
float start_time_;
float end_time_;
// Auto-passthrough helper for 1:1 input/output effects
void blit_input_to_output(WGPUCommandEncoder encoder, NodeRegistry& nodes);
};
#endif // EFFECT_H
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