Method Cleanup

samples/hellovr_vulkan/hellovr_vulkan_main.cpp:3689–3765

----------------------------------------------------------------------------- Purpose: Frees the Vulkan resources for a render model -----------------------------------------------------------------------------

// Purpose: Frees the Vulkan resources for a render model
//-----------------------------------------------------------------------------
void VulkanRenderModel::Cleanup()
{
	if ( m_pVertexBuffer != VK_NULL_HANDLE )
	{
		vkDestroyBuffer( m_pDevice, m_pVertexBuffer, nullptr );
		m_pVertexBuffer = VK_NULL_HANDLE;
	}

	if ( m_pVertexBufferMemory != VK_NULL_HANDLE )
	{
		vkFreeMemory( m_pDevice, m_pVertexBufferMemory, nullptr );
		m_pVertexBufferMemory = VK_NULL_HANDLE;
	}

	if ( m_pIndexBuffer != VK_NULL_HANDLE )
	{
		vkDestroyBuffer( m_pDevice, m_pIndexBuffer, nullptr );
		m_pIndexBuffer = VK_NULL_HANDLE;
	}

	if ( m_pIndexBufferMemory != VK_NULL_HANDLE )
	{
		vkFreeMemory( m_pDevice, m_pIndexBufferMemory, nullptr );
		m_pIndexBufferMemory = VK_NULL_HANDLE;
	}
	
	if ( m_pImage != VK_NULL_HANDLE )
	{
		vkDestroyImage( m_pDevice, m_pImage, nullptr );
		m_pImage = VK_NULL_HANDLE;
	}

	if ( m_pImageMemory != VK_NULL_HANDLE )
	{
		vkFreeMemory( m_pDevice, m_pImageMemory, nullptr );
		m_pImageMemory = VK_NULL_HANDLE;
	}
	
	if ( m_pImageView != VK_NULL_HANDLE )
	{
		vkDestroyImageView( m_pDevice, m_pImageView, nullptr );
		m_pImageView = VK_NULL_HANDLE;
	}

	if ( m_pImageStagingBuffer != VK_NULL_HANDLE )
	{
		vkDestroyBuffer( m_pDevice, m_pImageStagingBuffer, nullptr );
		m_pImageStagingBuffer = VK_NULL_HANDLE;
	}

	if ( m_pImageStagingBufferMemory != VK_NULL_HANDLE )
	{
		vkFreeMemory( m_pDevice, m_pImageStagingBufferMemory, nullptr );
		m_pImageStagingBufferMemory = VK_NULL_HANDLE;
	}

	for ( uint32_t nEye = 0; nEye < 2; nEye++ )
	{