https://bugs.freedesktop.org/show_bug.cgi?id=43504
Bug #: 43504
Summary: tex2D() artifacts (tiling related?) on AMD RV670
Classification: Unclassified
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: major
Priority: medium
Component: Drivers/Gallium/r600
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: kam1k...@gmail.com
Created attachment 54101
--> https://bugs.freedesktop.org/attachment.cgi?id=54101
Screenshot showing problem
This is what I'm doing:
1) render scene to render target texture A
2) render quad on screen to show RTT A data
When on the second step, I am using a fragment shader that calls tex2D() to
retrieve the RTT color data, however I get artifacts as shown on the attached
screenshot.
Whenever I restart the application, I get different corruption. I'm not sure
the problem is when reading from the texture, or writing on it.
If I output colors without using tex2D() it all works fine.
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