PIX and shader model 5.0

Graphics and GPU Programming Programming

Started by lipsryme August 01, 2012 03:37 PM

3 comments, last by MJP 11 years, 8 months ago

1,522

Author

August 01, 2012 03:37 PM

Ok so I've been searching the web for an answer on this one but I can't find anything.

Is it possible to debug my shader (5.0) with PIX by HLSL code ? or at least anything that tells me what register is what ?
if I click on debug pixel it just gives me the assembly code without any explanation.
Is there some secret option I'm missing ?

If not can anyone hint me to a readme or something that e.g. tells me what r0 or cb1[1] or v1 in the assembly code mean ?

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bwhiting

1,562

August 01, 2012 03:46 PM

v1 is varying1 - one of the registers used to pass data from the vertex shader to the fragment shader

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Hodgman

52,717

August 01, 2012 04:09 PM

When you compiled you shaders, did you use the comand-line options / API flags to enable debugging? (D3DXSHADER_DEBUG / D3DCOMPILE_DEBUG / etc)

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lipsryme

1,522

Author

August 01, 2012 04:57 PM

When you compiled you shaders, did you use the comand-line options / API flags to enable debugging? (D3DXSHADER_DEBUG / D3DCOMPILE_DEBUG / etc)

Thanks a lot, that did it

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MJP

20,295

August 01, 2012 05:56 PM

FYI PIX will debug vertex, geometry, and pixel shaders, but it won't debug hull, domain, or compute shaders. You can use vendor-specific tools to do that if you need to, although I'll warn you that Parallel Nsight requires a remote debugging target to debug shaders.

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