Bug 35244

Summary:	r600g/swrast: piglit regression
Product:	Mesa	Reporter:	Rafael Monica <monraaf>
Component:	Mesa core	Assignee:	mesa-dev
Status:	RESOLVED WORKSFORME	QA Contact:
Severity:	normal
Priority:	medium	CC:	eric
Version:	git
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Rafael Monica 2011-03-12 03:24:13 UTC

Hi, I'm seeing a piglit regression on r600g with:

fbo/fbo-drawbuffers
fbo/fbo-drawbuffers2-colormask
glean/texCombine
texturing/lodbias

and on swrast with:

fbo/fbo-drawbuffers2-colormask
texturing/lodbias


git bisect says:

7cb87dffce2c7a37f960f3a865cf92fd193dd8c5 is the first bad commit
commit 7cb87dffce2c7a37f960f3a865cf92fd193dd8c5
Author: Eric Anholt <eric@anholt.net>
Date:   Mon Nov 1 13:16:21 2010 -0700

    mesa: Convert fixed function fragment program generator to GLSL IR.
    
    This is a step towards providing a direct route for drivers accepting
    GLSL IR for codegen.  Perhaps more importantly, it runs the fixed
    function fragment program through the GLSL IR optimization.  Having
    seen how easy it is to make ugly fixed function texenv code that can
    do unnecessary work, this may improve real applicatinos.

Comment 1 Andreas Boll 2012-09-10 14:47:57 UTC

(In reply to comment #0)
> Hi, I'm seeing a piglit regression on r600g with:
> 
> fbo/fbo-drawbuffers
> fbo/fbo-drawbuffers2-colormask
> glean/texCombine
> texturing/lodbias
> 
> and on swrast with:
> 
> fbo/fbo-drawbuffers2-colormask
> texturing/lodbias
> 

works for me on mesa master e81ee67b51651e99e7e8e52c1ccafc66835d57cd

with r600g, softpipe, llvmpipe

Feel free to reopen if the issue persists.

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