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// CNN v2 Effect - Parametric Static Features
// Multi-pass post-processing with 7D feature input
#pragma once
#include "gpu/effect.h"
#include <vector>
class CNNv2Effect : public PostProcessEffect {
public:
explicit CNNv2Effect(const GpuContext& ctx);
~CNNv2Effect();
void init(MainSequence* demo) override;
void resize(int width, int height) override;
void compute(WGPUCommandEncoder encoder,
const CommonPostProcessUniforms& uniforms) override;
void render(WGPURenderPassEncoder pass,
const CommonPostProcessUniforms& uniforms) override;
void update_bind_group(WGPUTextureView input_view) override;
private:
struct LayerInfo {
uint32_t kernel_size;
uint32_t in_channels;
uint32_t out_channels;
uint32_t weight_offset;
uint32_t weight_count;
};
struct LayerParams {
uint32_t kernel_size;
uint32_t in_channels;
uint32_t out_channels;
uint32_t weight_offset;
uint32_t is_output_layer;
};
void create_textures();
void create_pipelines();
void load_weights();
void cleanup();
// Static features compute
WGPUComputePipeline static_pipeline_;
WGPUBindGroup static_bind_group_;
WGPUTexture static_features_tex_;
WGPUTextureView static_features_view_;
// CNN layers (storage buffer architecture)
WGPUComputePipeline layer_pipeline_; // Single pipeline for all layers
WGPUBuffer weights_buffer_; // Storage buffer for weights
WGPUBuffer layer_params_buffer_; // Uniform buffer for per-layer params
std::vector<LayerInfo> layer_info_; // Layer metadata
std::vector<WGPUBindGroup> layer_bind_groups_; // Per-layer bind groups
std::vector<WGPUTexture> layer_textures_; // Ping-pong buffers
std::vector<WGPUTextureView> layer_views_;
// Input mips
WGPUTexture input_mip_tex_;
WGPUTextureView input_mip_view_[3];
WGPUTextureView current_input_view_;
bool initialized_;
};
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