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I noticed that in inc/dds_defs.h the sizeof structure DDSURFACEDESC2 is 124
bytes, by calculating that with sizeof(). However, in my DDS tests, where I try
to load a single DDS file, I see a DDS header length of 120 bytes, which does
not match the above mentioned structure.
My loader works, if I calculate fileoffsets with 120 bytes, instead of the
mentioned 124 bytes. Hence, the question is, is the definition of
DDSURFACEDESC2 correct, or should it be instead 120 bytes?
A sample DDS attached in this issue, what I used for testing.
Original issue reported on code.google.com by jvatjusa...@gmail.com on 7 Aug 2012 at 11:24
The header consists of a DWORD identifier, followed by 124 bytes, or 128 bytes
total, see this link for more info:
http://msdn.microsoft.com/en-us/library/windows/desktop/bb943982(v=vs.85).aspx
Here's the header from your sample file:
dwSize 124 unsigned int
dwFlags 528391 unsigned int
dwHeight 128 unsigned int
dwWidth 128 unsigned int
lPitch 8192 int
dwLinearSize 8192 unsigned int
DDSURFACEDESC2 should be 124 bytes total.
Hope that helps,
-Rich
Original comment by richge...@gmail.com on 11 Aug 2012 at 8:09
Yes, that is right. I missed the single DWORD identifier, which makes the
header in total 128 bytes. Now, this explains the offset I need to add to the
data, to get the correct data out from the file. Thank you for pointing that
out, and apologizes for the invalid issue :)
Original comment by jvatjusa...@gmail.com on 14 Aug 2012 at 11:49
Original issue reported on code.google.com by
jvatjusa...@gmail.com
on 7 Aug 2012 at 11:24Attachments:
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