// This file is part of the 64k demo project.
// It declares the ChromaAberrationEffect.

#pragma once

#include "gpu/effect.h"
#include "gpu/uniform_helper.h"

// Parameters for ChromaAberrationEffect (set at construction time)
struct ChromaAberrationParams {
  float offset_scale = 0.02f; // Default: 2% screen offset
  float angle = 0.0f;         // Default: horizontal (0 radians)
};

class ChromaAberrationEffect : public PostProcessEffect {
 public:
  // Backward compatibility constructor (uses default params)
  ChromaAberrationEffect(const GpuContext& ctx);
  // New parameterized constructor
  ChromaAberrationEffect(const GpuContext& ctx,
                         const ChromaAberrationParams& params);
  void render(WGPURenderPassEncoder pass,
              const CommonPostProcessUniforms& uniforms) override;
  void update_bind_group(WGPUTextureView input_view) override;

 private:
  ChromaAberrationParams params_;
  UniformBuffer<ChromaAberrationParams> params_buffer_;
};