Applications can thus incrementally port to Work Graphs and benefit from the new capabilities while still supporting older APIs like ExecuteIndirect. For example, existing compute shaders can be trivially ported to work graphs, and we made sure there’s a clear way to reuse code between Work Graphs and prior techniques, as not all hardware will be capable of running Work Graphs immediately. We helped make easy to use, so that existing applications can be quickly ported and benefit from its features. We assembled a cross-disciplinary team: firmware and driver engineers, hardware and software architects and our developer relations teams to collaborate with ISVs and Microsoft to help develop and optimize this API. This is the next step in GPU evolution and will ultimately lead to a new area of GPU-driven rendering.ĪMD is proud to have been an integral partner in the development of Work Graphs. With Work Graphs, the GPU finally gets control over itself, allowing it to make decisions and adjust to the workload at hand. Historically, the GPU has relied on the CPU to define the work, and the GPU consumed and executed only what it was told. Work Graphs are a real step-function improvement to the GPU programming model. Now that you can give work graphs a try, we're all excited to hear your feedback!”Īmar Patel, Engineer, Microsoft DirectX team. Other GPU vendors made similarly great contributions as well - a productive industry collaboration all around.
They offered a critical eye to targeting GPUs well, in ways that make sense for the ecosystem overall, with a path to expanded hardware and software capability over time. “AMD contributed significantly to the design of work graphs from early on. Additionally, many algorithms which previously required heroic efforts to get running on the GPU can now be easily expressed in this new API. For example, complex scene traversal and highly adaptive algorithms can now be implemented more efficiently. This API enables you to perform very fine-grained scheduling on graphics cards, which can help you overcome problems previously unachievable for GPU processing and has been a major ask from the graphics community for many years now. If you’re a graphics programmer, today is going to be an exciting day for you: Microsoft® has just released a new DirectX® graphics API called Work Graphs as part of the DirectX Developer Preview today.
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