//Fill the vertex input layout description
    polygonLayout[0].SemanticName = "POSITION";
    polygonLayout[0].SemanticIndex = 0;
    polygonLayout[0].Format = DXGI_FORMAT_R32G32B32_FLOAT;
    polygonLayout[0].InputSlot = 0;
    polygonLayout[0].AlignedByteOffset = 0;
    polygonLayout[0].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
    polygonLayout[0].InstanceDataStepRate = 0;

    polygonLayout[1].SemanticName = "TEXCOORD";
    polygonLayout[1].SemanticIndex = 0;
    polygonLayout[1].Format = DXGI_FORMAT_R32G32_FLOAT;
    polygonLayout[1].InputSlot = 0;
    polygonLayout[1].AlignedByteOffset = 12;
    polygonLayout[1].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
    polygonLayout[1].InstanceDataStepRate = 0;

    //Get the number of elements in the layout
    numElements = sizeof(polygonLayout) / sizeof(polygonLayout[0]);

    //Create the vertex input layout.
    hresult = device->CreateInputLayout(polygonLayout, numElements, vertexShaderBuffer->GetBufferPointer(), vertexShaderBuffer->GetBufferSize(), &this->layout);
    if (FAILED(hresult)) {
        MessageBox(*hwnd, L"device->CreateInputLayout", L"Error", MB_OK);
        return false;
    }

//screen quad for deferred rendering
//Calculate the screen coordinates of the left side of the window
    left = (float)((screenWidth / 2) * -1);

    //Calculate the screen coordinates of the right side of the window
    right = left + (float)screenWidth;

    //Calculate the screen coordinates of the top of the window
    top = (float)(screenHeight / 2);

    //Calculate the screen coordinates of the bottom of the window
    bottom = top - (float)screenHeight;

    //Load the vertex array with data
    //First triangle
    vertices[0].position = DirectX::XMFLOAT3(left, top, 0.0f);  //Top left
    vertices[0].texture = DirectX::XMFLOAT2(0.0f, 0.0f);

    vertices[1].position = DirectX::XMFLOAT3(right, bottom, 0.0f);  //Bottom right
    vertices[1].texture = DirectX::XMFLOAT2(1.0f, 1.0f);

    vertices[2].position = DirectX::XMFLOAT3(left, bottom, 0.0f);  //Bottom left
    vertices[2].texture = DirectX::XMFLOAT2(0.0f, 1.0f);

    //Second triangle
    vertices[3].position = DirectX::XMFLOAT3(left, top, 0.0f);  //Top left
    vertices[3].texture = DirectX::XMFLOAT2(0.0f, 0.0f);

    vertices[4].position = DirectX::XMFLOAT3(right, top, 0.0f);  //Top right
    vertices[4].texture = DirectX::XMFLOAT2(1.0f, 0.0f);

    vertices[5].position = DirectX::XMFLOAT3(right, bottom, 0.0f);  //Bottom right
    vertices[5].texture = DirectX::XMFLOAT2(1.0f, 1.0f);