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McZonk
Joined: 14 Jul 2005
Posts: 35
Location: Germany
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 Posted: Thu Jul 14, 2005 10:53 pm Post subject: Stencil Functions |
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At the moment the sceGuStencil..... functions are undocumented. Is it because the behavior is unknown? If not could anyone send me the docu. Perhaps the constants are known?
Otherwise I would try to use the stencil functions like the funtions in OpenGL. If a find find something, I will publish it here. |
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jsgf
Joined: 12 Jul 2005
Posts: 254
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| Posted: Wed Jul 20, 2005 6:17 am Post subject: Re: Stencil Functions |
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| McZonk wrote: | At the moment the sceGuStencil..... functions are undocumented. Is it because the behavior is unknown? If not could anyone send me the docu. Perhaps the constants are known?
Otherwise I would try to use the stencil functions like the funtions in OpenGL. If a find find something, I will publish it here. |
I would guess the stencil operations are pretty similar to OpenGL; there should be at least KEEP, REPLACE, ZERO, INVERT, INCR, DECR operations, so there aren't very many combinations to test for. It should be possible to write a program which can test for this.
The stencil functions are the same as for depth and alpha testing, so I'd assume they're the same values.
I bet "GU_UNKNOWN_3" is actually GU_STENCIL_TEST. |
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chp
Joined: 23 Jun 2004
Posts: 313
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| Posted: Thu Jul 21, 2005 7:06 pm Post subject: |
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Yes, the GE is very much OpenGL-inspired. I have verified and written a sample for how logical color-ops work now, and I copied the different ops straight from gl.h. They've made it way too easy. :)
I'll get on stencil-operations in a little while, there are a few other fields I'm looking into at the moment. Feel free to help out though. :)
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Arwin
Joined: 12 Jul 2005
Posts: 426
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| Posted: Thu Jul 21, 2005 8:27 pm Post subject: |
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| chp wrote: | | Yes, the GE is very much OpenGL-inspired. I have verified and written a sample for how logical color-ops work now, and I copied the different ops straight from gl.h. They've made it way too easy. :) |
That was the point with the PSP - they went out of their way, apparently, to make developing for it easy and relatively low-cost. Clever move. |
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McZonk
Joined: 14 Jul 2005
Posts: 35
Location: Germany
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| Posted: Fri Jul 22, 2005 3:58 pm Post subject: |
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| chp wrote: | | I'll get on stencil-operations in a little while, there are a few other fields I'm looking into at the moment. Feel free to help out though. :) |
I'm on trying around with stencil buffer, I wrote an easy programm to check sample values via loops as parameters to stencil functions.
I hope I can cast realtime shadows over the weekend. Contact me, if you are interesstend in sources. |
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McZonk
Joined: 14 Jul 2005
Posts: 35
Location: Germany
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chp
Joined: 23 Jun 2004
Posts: 313
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| Posted: Sun Jul 24, 2005 7:59 pm Post subject: |
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Nice! Yes, source would be nice... Both for adding as a sample, and to reduce the amount of unknown stuff in pspgu.h. I'm all ears. :)
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