Bug 29440

Summary: [r300g] shaders/glsl-fwidth unknown opcode DDY
Product: Mesa Reporter: Priit Laes (irc: plaes) <plaes>
Component: Drivers/DRI/r300Assignee: Default DRI bug account <dri-devel>
Status: RESOLVED WONTFIX QA Contact:
Severity: normal    
Priority: medium    
Version: git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments: glxinfo.log

Description Priit Laes (irc: plaes) 2010-08-07 09:44:59 UTC 
Kernel: 2.6.35+
Mesa: git master d64a119c28376d7ce069dcec044ff9af7f93ff9c

Results for shaders/glsl-fwidth

Returncode: 1

Errors:
r300 FP: Compiler Error:
r300_fragprog_emit.c::translate_rgb_opcode(): translate_rgb_opcode: Unknown opcode DDY
Using a dummy shader instead.
If there's an 'unknown opcode' message, please file a bug report and attach this log.

Output:
Probe at (205,125)
  Expected: 0.019608 0.019608 0.000000
  Observed: 0.000000 0.000000 0.000000
Comment 1 Priit Laes (irc: plaes) 2010-08-07 09:45:21 UTC 
Created attachment 37674 [details]
glxinfo.log

OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on RV370
OpenGL version string: 2.1 Mesa 7.9-devel
OpenGL shading language version string: 1.20
Comment 2 Alex Deucher 2010-08-07 10:16:05 UTC 
Unfortunately, the hw does not support the DDX/DDY opcodes and they can't be emulated.

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