Method Get

Source/Engine/Graphics/Shaders/GPUVertexLayout.cpp:152–185

}

GPUVertexLayout* GPUVertexLayout::Get(const Elements& elements, bool explicitOffsets)
{
    // Hash input layout
    uint32 hash = explicitOffsets ? 131 : 0;
    for (const VertexElement& element : elements)
    {
        CombineHash(hash, GetHash(element));
    }

    // Lookup existing cache
    GPUVertexLayout* result;
    if (!LayoutCache.TryGet(hash, result))
    {
        result = GPUDevice::Instance->CreateVertexLayout(elements, explicitOffsets);
        if (!result)
        {
#if GPU_ENABLE_ASSERTION_LOW_LAYERS
            for (auto& e : elements)
                LOG(Error, " {}", e.ToString());
#endif
            LOG(Error, "Failed to create vertex layout");
            return nullptr;
        }
        if (!LayoutCache.Add(hash, result))
        {
            // Other thread added the value
            Delete(result);
            bool found = LayoutCache.TryGet(hash, result);
            ASSERT(found);
        }
    }

    return result;
}

GPUVertexLayout* GPUVertexLayout::Get(const Span<GPUBuffer*>& vertexBuffers)
{