Function DestroyResourceDeferred

engine/graphics/src/vulkan/graphics_vulkan.cpp:212–254

    template <typename T>
    static void DestroyResourceDeferred(VulkanContext* context, T* resource)
    {
        if (resource == 0x0 || resource->m_Destroyed)
        {
            return;
        }

        ResourceToDestroy resource_to_destroy;
        resource_to_destroy.m_ResourceType = resource->GetType();

        switch(resource_to_destroy.m_ResourceType)
        {
            case RESOURCE_TYPE_TEXTURE:
            {
                VulkanTexture* tex = (VulkanTexture*) resource;
                resource_to_destroy.m_Texture = tex->m_Handle;
                DestroyResourceDeferred(context, &tex->m_DeviceBuffer);
                memset(tex->m_ImageLayout, 0, sizeof(tex->m_ImageLayout));
            } break;
            case RESOURCE_TYPE_DEVICE_BUFFER:
                resource_to_destroy.m_DeviceBuffer = ((DeviceBuffer*) resource)->m_Handle;
                ((DeviceBuffer*) resource)->UnmapMemory(context->m_LogicalDevice.m_Device);
                break;
            case RESOURCE_TYPE_PROGRAM:
                resource_to_destroy.m_Program = ((VulkanProgram*) resource)->m_Handle;
                break;
            case RESOURCE_TYPE_RENDER_TARGET:
                resource_to_destroy.m_RenderTarget = ((VulkanRenderTarget*) resource)->m_Handle;
                break;
            default:
                assert(0);
                break;
        }

        uint32_t frame_ix = resource->m_Handle.m_LastUsedFrame;
        if (context->m_MainResourcesToDestroy[frame_ix]->Full())
        {
            context->m_MainResourcesToDestroy[frame_ix]->OffsetCapacity(8);
        }

        context->m_MainResourcesToDestroy[frame_ix]->Push(resource_to_destroy);
        resource->m_Destroyed = 1;
    }

    static inline bool IsTextureMemoryless(VulkanTexture* texture)
    {