cnn_v3/src/gbuf_view_effect.h


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// GBufViewEffect: Visualizes G-buffer feature textures as a 4×5 channel grid.
// Inputs: feat_tex0 (rgba32uint, ch 0-7 f16), feat_tex1 (rgba32uint, ch 8-19 unorm8)
// Output: rgba8unorm tiled channel visualization (downscaled 4× per channel)

#pragma once

#include "gpu/effect.h"
#include "gpu/sequence.h"
#include "gpu/wgpu_resource.h"

class GBufViewEffect : public Effect {
 public:
  GBufViewEffect(const GpuContext& ctx,
                 const std::vector<std::string>& inputs,
                 const std::vector<std::string>& outputs,
                 float start_time, float end_time);

  void render(WGPUCommandEncoder encoder,
              const UniformsSequenceParams& params,
              NodeRegistry& nodes) override;

 private:
  RenderPipeline pipeline_;
  BindGroup       bind_group_;
};