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// This file is part of the 64k demo project.
// It provides a generic uniform buffer helper to reduce boilerplate.
// Templated on uniform struct type for type safety and automatic sizing.
#pragma once
#include "gpu/gpu.h"
#include <cstring>
// Generic uniform buffer helper
// Usage:
// UniformBuffer<MyUniforms> uniforms_;
// uniforms_.init(device);
// uniforms_.update(queue, my_data);
template <typename T> class UniformBuffer {
public:
UniformBuffer() = default;
// Initialize the uniform buffer with the device
void init(WGPUDevice device) {
buffer_ = gpu_create_buffer(
device, sizeof(T), WGPUBufferUsage_Uniform | WGPUBufferUsage_CopyDst);
}
// Update the uniform buffer with new data
void update(WGPUQueue queue, const T& data) {
wgpuQueueWriteBuffer(queue, buffer_.buffer, 0, &data, sizeof(T));
}
// Get the underlying GpuBuffer (for bind group creation)
GpuBuffer& get() {
return buffer_;
}
const GpuBuffer& get() const {
return buffer_;
}
private:
GpuBuffer buffer_;
};
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