Portal 2 developer commentary: Difference between revisions
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=== Blobulator === | === Blobulator === | ||
{{Quotation | Olivier Nallet | {{Quotation | Olivier Nallet, Conversion Intro | ||
| The first implementation of the blob was integrated in the Source engine back in 2007. Over the years, the code has been significantly optimized, but was still way too slow to run on game consoles. The blob was a key feature of Portal 2, even though we did not know if we could make it work for consoles. In summer 2010, we were still considering using a completely different tech for consoles--one that would certainly not look as nice. On the 360, even with a very low quality blob, we were barely within our performance budget. But we really wanted to have the same high quality blob among all platforms. Meanwhile, the code was poorly suited for PS3 SPU. We ended up re-writing all the blob code so it would take better advantage of multiple cores and SPUs, giving us quality blobs on all platforms while staying within performance and memory constraints. | | The first implementation of the blob was integrated in the Source engine back in 2007. Over the years, the code has been significantly optimized, but was still way too slow to run on game consoles. The blob was a key feature of Portal 2, even though we did not know if we could make it work for consoles. In summer 2010, we were still considering using a completely different tech for consoles--one that would certainly not look as nice. On the 360, even with a very low quality blob, we were barely within our performance budget. But we really wanted to have the same high quality blob among all platforms. Meanwhile, the code was poorly suited for PS3 SPU. We ended up re-writing all the blob code so it would take better advantage of multiple cores and SPUs, giving us quality blobs on all platforms while staying within performance and memory constraints. | ||
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