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inalogic / pico-pixel-client-sdk

An SDK to export runtime images to Pico Pixel
https://pixelandpolygon.com/picopixel-sdk
MIT License
23 stars 0 forks source link

BC6H_UF16 dds file import #1

Closed djewsbury closed 8 years ago

djewsbury commented 8 years ago

Hi,

Just wanted to drop a line and say -- fantastic app! I've been trying the client as a quick image preview app, and it's just fantastic. Support for HDR cubemaps in DDS is really handy.

I haven't used the pixel-printf stuff yet; but I do a lot of graphics programming so that quick preview sounds great for debugging stuff. In the past I've used hacked-up solutions to do the same thing, but Pico Pixel seems much better.

I'm getting some problems with BC6H_UF16 dds files. I'll attach a small cubemap that gets different results in other applications. This was compressed with the DirectXTex library from Microsoft.

I'm using 0.6.8 off the main "http://pixelandpolygon.com/" page.

brick_lounge_2k_diffuse.zip

jaytaoko commented 8 years ago

Thank you for your feedback. Pico Pixel has been on pause for a little while but development will resume soon. I will start by looking into the texture format issue you reported.

Regards Jay

djewsbury commented 8 years ago

Great, thanks. On further inspection, I've found that the problem may be related to the BC6H_UF16 format specifically. The BC6H_SF16 format seems to work fine.

I'm also having problems with 16 bit UNORM formats -- eg R16G16_UNORM. These may be interpreted as integer values, but they should be normalized values between 0 and 1.

Obviously these are unusual formats. But this is where pico pixel could be most useful to me; because it's hard to find good tools that support them.

jaytaoko commented 8 years ago

This is the result after the fix. A PicoPixel release will follow soon.

bc6h_uf16-fix

Fell free to post image files that you think aren't rendered correctly in PicoPixel. Regards!

jaytaoko commented 8 years ago

The fix for this issue has been released in PicoPixel 0.6.9. Thank you for reporting.