ABindGroupLayoutEntry.hpp

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#pragma once
 
#include "utils/shader/IBindGroupLayoutEntry.hpp"
#include "utils/webgpu.hpp"
 
namespace Graphic::Utils {
 
template <typename TDerived> class ABindGroupLayoutEntry : public IBindGroupLayoutEntry {
  public:
    explicit ABindGroupLayoutEntry(const std::string &name_) : name(name_)
    {
        this->entry.buffer.type = wgpu::BufferBindingType::BindingNotUsed;
        this->entry.sampler.type = wgpu::SamplerBindingType::BindingNotUsed;
        this->entry.texture.sampleType = wgpu::TextureSampleType::BindingNotUsed;
        this->entry.storageTexture.access = wgpu::StorageTextureAccess::BindingNotUsed;
    }
    ~ABindGroupLayoutEntry() override = default;
 
    inline const std::string &getName() const override { return this->name; }
 
    inline const wgpu::BindGroupLayoutEntry &getEntry() const override { return this->entry; }
 
    inline TDerived &setBinding(uint32_t binding)
    {
        this->entry.binding = binding;
        this->isBindingSet = true;
        return static_cast<TDerived &>(*this);
    }
 
    inline TDerived &setVisibility(wgpu::ShaderStage visibility)
    {
        this->entry.visibility = visibility;
        this->isVisibilitySet = true;
        return static_cast<TDerived &>(*this);
    }
 
    std::vector<ValidationError> validate(void) const override
    {
        std::vector<ValidationError> errors;
        if (!this->isBindingSet)
        {
            errors.emplace_back("Binding is not set", "BindGroupLayoutEntry: " + this->name,
                                ValidationError::Severity::Error);
        }
        if (!this->isVisibilitySet)
        {
            errors.emplace_back("Visibility is not set", "BindGroupLayoutEntry: " + this->name,
                                ValidationError::Severity::Error);
        }
        return errors;
    }
 
  protected:
    inline wgpu::BindGroupLayoutEntry &getEntry() { return this->entry; }
 
  private:
    wgpu::BindGroupLayoutEntry entry = wgpu::BindGroupLayoutEntry(wgpu::Default);
    bool isBindingSet = false;
    bool isVisibilitySet = false;
    std::string name;
};
} // namespace Graphic::Utils