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// This file is part of the 64k demo project.
// It provides visual debugging tools, such as wireframe rendering.
// This entire module is excluded when STRIP_ALL is defined.
#pragma once
#if !defined(STRIP_ALL)
#include "util/mini_math.h"
#include "gpu/gpu.h"
#include <vector>
struct DebugLine {
vec3 start;
vec3 end;
vec3 color;
};
class VisualDebug {
public:
void init(WGPUDevice device, WGPUTextureFormat format);
void shutdown();
// Queue a wireframe box for rendering this frame
void add_box(const vec3& center, const vec3& extent, const vec3& color);
// Render all queued primitives and clear the queue
void render(WGPURenderPassEncoder pass, const mat4& view_proj);
private:
WGPUDevice device_ = nullptr;
WGPURenderPipeline pipeline_ = nullptr;
WGPUBindGroupLayout bind_group_layout_ = nullptr;
std::vector<DebugLine> lines_;
// Uniform buffer for ViewProjection matrix
WGPUBuffer uniform_buffer_ = nullptr;
WGPUBindGroup bind_group_ = nullptr;
// Vertex buffer for line segments
WGPUBuffer vertex_buffer_ = nullptr;
size_t vertex_buffer_capacity_ = 0;
void create_pipeline(WGPUTextureFormat format);
void update_buffers(const mat4& view_proj);
};
#endif // !defined(STRIP_ALL)
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