#include "XCEngine/RHI/D3D12/D3D12Texture.h"

namespace XCEngine {
namespace RHI {

D3D12Texture::D3D12Texture() {
}

D3D12Texture::~D3D12Texture() {
    Shutdown();
}

bool D3D12Texture::Initialize(ID3D12Device* device, const D3D12_RESOURCE_DESC& desc, D3D12_RESOURCE_STATES initialState) {
    D3D12_HEAP_PROPERTIES heapProperties = {};
    heapProperties.Type = D3D12_HEAP_TYPE_DEFAULT;
    heapProperties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
    heapProperties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
    heapProperties.CreationNodeMask = 0;
    heapProperties.VisibleNodeMask = 0;

    D3D12_CLEAR_VALUE* pOptimizedClearValue = nullptr;

    HRESULT hResult = device->CreateCommittedResource(
        &heapProperties,
        D3D12_HEAP_FLAG_NONE,
        &desc,
        initialState,
        pOptimizedClearValue,
        IID_PPV_ARGS(&m_resource)
    );

    if (FAILED(hResult)) {
        return false;
    }

    return true;
}

bool D3D12Texture::InitializeFromExisting(ID3D12Resource* resource) {
    m_resource = resource;
    return true;
}

void D3D12Texture::Shutdown() {
    m_resource.Reset();
}

} // namespace RHI
} // namespace XCEngine