#include "XCEngine/RHI/D3D12/D3D12RootSignature.h"

namespace XCEngine {
namespace RHI {

D3D12RootSignature::D3D12RootSignature() {
}

D3D12RootSignature::~D3D12RootSignature() {
    Shutdown();
}

bool D3D12RootSignature::Initialize(ID3D12Device* device, const D3D12_ROOT_SIGNATURE_DESC& desc) {
    ID3DBlob* signature = nullptr;
    ID3DBlob* error = nullptr;

    HRESULT hResult = D3D12SerializeRootSignature(&desc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error);
    if (FAILED(hResult)) {
        if (error) {
            error->Release();
        }
        return false;
    }

    hResult = device->CreateRootSignature(0, signature->GetBufferPointer(), signature->GetBufferSize(), IID_PPV_ARGS(&m_rootSignature));
    
    signature->Release();
    
    if (FAILED(hResult)) {
        return false;
    }

    return true;
}

void D3D12RootSignature::Shutdown() {
    m_rootSignature.Reset();
}

} // namespace RHI
} // namespace XCEngine