http://bugs.freedesktop.org/show_bug.cgi?id=21816
Summary: glean/vertProg1 test fails on some r300 and higher cards
Product: Mesa
Version: CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/r300
AssignedTo: [email protected]
ReportedBy: [email protected]
The failing test is "LIT test 2 (degenerate case: 0 ^ 0 -> 1)". The z component
of output vector should contain 1.0 value and gives us 0.0.
The attached patch fixes it, but it looks like not all cards are affected.
As it was discussed on IRC it is probably not a bug, but intentional change in
HW to conform to DirectX which requires 0.0 result in this case.
This bug was created to collect some test results from different GPUs to track
down which GPUs conform to DirectX/OpenGL in this case.
Currently checked cards
OpenGL conformant:
RV350
DirectX conformant:
RV380
RV570
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