In our previous Differing Philosophies Emerge Between ATI and NVIDIA report we looked at comments from NVIDIA’s Chief Scientist, David Kirk, that mentioned his dislike of the idea of a unified Shader pipeline at the hardware level due to the differing demands and workloads between Pixel Shaders and Vertex Shaders. In the commentary David Kirk specifically singled out texturing as an example of the differing pipelines, and in replying to these comments ATI’s Eric Demers agreed that there are different demands on the pipelines but suggested that "if one were able to figure out a way to unify the shaders such that nothing extra is required to fulfil all the requirements of the different shaders, while being able to share all their commonality, that would be a great solution."
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