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Atari coding BBS
| Re: Blitter |
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Posted by: RA/pdx
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Mar,27.2009-18:30
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Yes, i am sure bacause i also have done something like this myself.
e.g. Blitter-Gouraud
1. Prepare all data for one Blitter line
2. Init Blitter registers
3. Copy all data from memory to registers you would need for next line
4. Let the Blitter draw one line
5. go to 3.
So steps 4 and 1 works in parallel - the CPU is calcing the next line while the Blitter is drawing the current one. For Gouraud-Shading it is a big boost.
And you can go one step further: Before the inner loop you have to "copy" all needed data to the data cache and freeze it after that. So even step 3 could be parallelised if the data fits into the cache.
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[All messages in this thread] [Start new thread]
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Topic
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Posted by
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Date
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Blitter
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quackmore
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Mar,25.2009-18:48
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Re: Blitter
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Bod/STAX
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Mar,25.2009-22:22
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Re: Blitter
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PeP
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Mar,26.2009-19:35
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Re: Blitter
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nerve
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Mar,26.2009-21:10
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Re: Blitter
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PeP
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Mar,26.2009-21:38
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Re: Blitter
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nerve
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Mar,26.2009-22:17
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Re: Blitter
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RA/pdx
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Mar,27.2009-14:51
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Re: Blitter
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nerve
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Mar,27.2009-17:05
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Re: Blitter
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RA/pdx
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Mar,27.2009-18:30
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Mistake
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RA/pdx
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Mar,27.2009-18:32
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Re: Mistake
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nerve
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Mar,28.2009-17:26
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Re: Mistake
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quackmore
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Apr,03.2009-14:23
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Re: Mistake
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quackmore
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Apr,03.2009-14:25
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no
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RA/pdx
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Apr,03.2009-14:43
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Re: no
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evil
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Apr,03.2009-15:56
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troll
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gloky
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Apr,06.2009-14:12
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Re: troll
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quackmore
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Apr,10.2009-08:05
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What's the anti-troll code?
That's your personal code to be able to add comments and messages on the dhs.nu site.
Don't have a code or forgot it? Fix it here.
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