[Mesa-dev] SandyBridge's 'resinfo' -> returned value for SURFTYPE_BUFFER?

[Samuel Iglesias Gonsálvez]

Hello,

I am looking at bug 57439 [0] where it shows an error
in a piglit test [1] related to textureSize() function happening
in Intel SandyBridge hardware.

According to SNB's PRM documentation (vol4 part1 page 141), the
returned value for SURFTYPE_BUFFER (the surface type used in the test)
is not defined in the 'resinfo' message type. For IvyBridge's doc it is
defined as the buffer size, which is calculated from combined
Depth/Height/Width values.

As it is not clear that SNB returns the same value than IVB for that
kind of message and surface type, I send this email here asking for a
clarification :-)

Best regards,

Sam

[0] https://bugs.freedesktop.org/show_bug.cgi?id=57439
[1] ./bin/textureSize 140 fs samplerBuffer -auto -fbo
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