[PATCH 6/6] d3dcompiler: Implement D3DGetDebugInfo().

Rico Schüller kgbricola at web.de
Mon Sep 20 12:44:32 CDT 2010

Am 20.09.2010 13:09, schrieb Henri Verbeet:
> 2010/9/19 Rico Schüller<kgbricola at web.de>:
>> ---
> I don't think this makes a lot of sense. D3DGetDebugInfo() clearly
> doesn't return a DXBC, so I think you should just memcpy it into the
> blob directly instead of trying to abuse dxbc_write(). This change
> would also make it impossible to write any DXBC containing an SDBG
> chunk, like e.g. the one you'd be parsing for D3DGetDebugInfo().
D3DGetDebugInfo() (D3DGetBlobPart(D3D_BLOB_DEBUG_INFO)) isn't the only 
one which returns just the memory. There are other cases as well (e.g. 
D3D_BLOB_LEGACY_SHADER) which do the same stuff. It doesn't make it 
impossible to add a DXBC containing a SDBG chunk, it only avoids the 
case where you have only the SDBG without any other chunk (which is not 
a full DXBC). Please have a look at the patches attached to 

Sure copying only the memory with a memcopy is a lot better.


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