--- Log opened Сбт Июн 24 00:00:35 2006
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00:09 < Lumag> hi!
00:10 < pmdata> hi lumag
00:43 < pmdata> cvs: added test for sgis_generate_mipmap, seems there is no change for me against glubuild2dmipmaps
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01:02 < pmdata> ah, edb finished watching the match :)
01:03 < EdB> hehe
01:03 < marcheu> heh
01:03 < EdB> and i see that my wifi was dicnected :o)
01:04 < EdB> so here again :o)
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02:45 < marcheu> hmm if I start writing to the instance ram from the kernel it might stomp over the DDX
03:01 < marcheu> darktama: for NV04_DX5_TEXTURED_TRIANGLE the pixel format is in instance RAM for the object
03:01 < marcheu> might be the same for other objects
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12:16 < Lumag> hi!
12:16 < darktama> hey
12:17 < Lumag> marcheu: are you sure, that the pixel format for Dx5Triangle is in the instance mem?
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13:09 < Lumag> hi pmdata!
13:16 < pmdata> hi lumag
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14:38 < Lumag> Hmm... for nv04 textures seem to be uploaded directly to the fb mem (not via DMA). Strange...
14:39 < marcheu> small textures ?
14:39 < Lumag> and some textures are used from AGP space even though fb is completely free.
14:41 < Lumag> yes. 8x8, 16x16
14:42 < marcheu> try bigger ones. it's faster to use direct mem access for small stuff
14:42 < Lumag> 4x4 goes to fb
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14:42 < marcheu> try 256*256
14:43 < Lumag> ok, will try.
14:47 < Lumag> Hmm... I'm looking at the GL application startup sequence. the texture with size 0x2000 was put into AGP space via direct writes.
14:47 < `Duke`> hi
14:49 < Lumag> hi
14:51 < Lumag> and then the texture seems to placed into somewhere via NV04_SCALED_IMAGE_FROM_MEMORY
14:53 < marcheu> yay, that's the normal way of doing it. put the texture in AGP space and DMA from there
14:53 < Lumag> damn. There is system dma object at the end.
14:54 < Lumag> we should write instance mem decoder for dma objects.
14:54 < marcheu> it's documented in rivatv
14:55 < Lumag> yes. And in the nv_dma.c, IIRC.
14:56 < Lumag> But last time I examined it, I stumbled upon the beef4901 object. It get's context 82000000. So instanceMem = RAMIN+0
14:57 < Lumag> And at the RAMIN + 0 there is nothing, that looks like dma object description.
14:58 < Lumag> BTW: if the values in headers are right, the GL lies to the GPU about the colorspace of the texture :)
14:58 < marcheu> lies ?
15:00 < Lumag> yup. the texture look like "0FFF0FFF0FFF0FFF0FFF0FFF0FFF0FFF" and the SURFACE and IMAGE_FROM_MEM objects are programmed for R5G6B5 transfers
15:00 < marcheu> so the texture has been resampled ?
15:01 < Lumag> I don't think so.
15:02 < Lumag> maybe it's just faster for some reasons?
15:02 < marcheu> ah, you mean it uses 16bit transfers with twice the pixels ?
15:02 < Lumag> yup
15:03 < Lumag> Maybe such transfers don't involve the BES unit.
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--- Log closed Вск Июн 25 00:00:35 2006
