post_process_settings.hpp

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#pragma once
#include <cstdint>
#include <toast/export.hpp>
 
namespace renderer {

struct PostProcessSettings {
  struct Bloom {
    float threshold = 1.0f;
    float knee = 0.5f;
    float filter_radius = 1.0f;
    float strength = 0.05f;
  } bloom;
 
  struct Tonemap {
    float exposure = 1.0f;
    uint32_t mode = 0;
    float gamma = 2.2f;
    float contrast = 1.0f;
    float saturation = 1.0f;
    float vignette = 0.0f;
    float grain = 0.0f;
 
    bool auto_exposure = false;
    float auto_exposure_min = -8.0f;
    float auto_exposure_max = 4.0f;
    float adapt_speed_up = 3.0f;
    float adapt_speed_down = 1.0f;
  } tonemap;
 
  struct Fxaa {
    float contrast_threshold = 0.0312f;
    float relative_threshold = 0.125f;
    float subpixel_blending = 0.75f;
  } fxaa;
 
  struct Ssr {
    float intensity = 1.0f;
 
    float max_roughness = 0.6f;
 
    float thickness = 0.5f;
 
    float stride = 0.15f;
 
    uint32_t max_steps = 48;
  } ssr;
 
  struct Ssao {
    float radius = 0.5f;
 
    float strength = 1.0f;
 
    float range_cutoff = 1.0f;
 
    uint32_t sample_count = 16;
  } ssao;
};
 
TOAST_API void blendPostProcess(PostProcessSettings& target, const PostProcessSettings& source, float weight);
 
}