Bug 30437

Summary:	[llvmpipe] glean glsl1 2D Texture lookup with explicit lod (Vertex shader) regression
Product:	Mesa	Reporter:	Vinson Lee <vlee>
Component:	Other	Assignee:	Brian Paul <brianp>
Status:	CLOSED FIXED	QA Contact:
Severity:	normal
Priority:	medium
Version:	git
Hardware:	x86 (IA32)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description Vinson Lee 2010-09-28 13:32:07 UTC

mesa: 35f94b1942d9b99463ef9e179ebf70809e3bea69 (master)

GLSL_TEST='2D Texture lookup with explicit lod (Vertex shader)'  glean -r results -t glsl1

glsl1: Running single test: 2D Texture lookup with explicit lod (Vertex shader)
FAILURE:
  Shader test: 2D Texture lookup with explicit lod (Vertex shader)
  Expected color: 0.25, 0, 0, 0.25
  Observed color: 1, 0, 0, 1
glsl1:  FAIL rgba8, db, z24, s8, accrgba16, win+pmap, id 33
	0 tests passed, 1 tests failed.

Comment 1 Vinson Lee 2010-09-28 13:40:17 UTC

61b7da074e2faebf03d3dfc30e910ee1367bcd5a is the first bad commit
commit 61b7da074e2faebf03d3dfc30e910ee1367bcd5a
Author: Brian Paul <brianp@vmware.com>
Date:   Thu Sep 23 18:18:40 2010 -0600

    llvmpipe: make min/max lod and lod bias dynamic state
    
    Before, changing any of these sampler values triggered generation
    of new JIT code.  Added a new flag for the special case of
    min_lod == max_lod which is hit during auto mipmap generation.

:040000 040000 c929eaf850d537e72057f13aee2ad02059e442fc f758e982ceca8e29ebc3ba815a854120300af565 M	src
bisect run success

Comment 2 Brian Paul 2010-09-29 09:38:42 UTC

Fixed with mesa commit 0cb545a7f2e823c85309013c4c41e9461f297d06

Comment 3 Vinson Lee 2010-10-01 07:53:39 UTC

mesa: 40ccb235d693ea6184ab61529f2910086e68edda (master)

Verified fixed.

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