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Comment: Re:Hardware needs to change DX is obsolete. (Score 4, Interesting) 323

by Zevensoft (#35541584) Attached to: DirectX 'Getting In the Way' of PC Game Graphics, Says AMD
I've programmed DS game engines as well as high performance industrial OpenGL, and the frustrating thing about OpenGL (or DX, they're both just wrappers around NV or AMD) is the inability to send data in the other direction, ie. from the GPU to the CPU without killing performance. The DS didn't have that problem because the vertex processor was decoupled from the pixel processor, and even still you could redirect outputs wherever you like, as well as having full access to the 4 channel DMA controller! We would do occlusion culling on the vertex processor before animation, and also reducing polygon counts for the rasteriser.

What the scientists have in their briefcases is terrifying. -- Nikita Khruschev

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