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  • #1622

Closed
Open
Created Sep 25, 2019 by Bugzilla Migration User@bugzilla-migration

[SNB] piglit.spec.arb_texture_gather.texturegather fails

Submitted by Mark Janes @majanes

Assigned to Intel 3D Bugs Mailing List

Link to original bug (#102464)

Description

the following piglit commit regressed several tests on SNB only:

a76e2db3 Author: Neha Bhende bhenden@vmware.com

textureGather: correct expected result for GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB = 1

Expected results were with respect to GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB = 4. This patch fixes it for GL_MAX_PROGRAM_TEXTURE_GATHER_COMPONENTS_ARB = 1 as well.

Reviewed-by: Brian Paul brianp@vmware.com

About 100 tests regressed, eg:

piglit.spec.arb_texture_gather.texturegatheroffset.fs-r-one-int-2d

Standard Output

/tmp/build_root/m64/lib/piglit/bin/textureGather fs offset r one int 2D -auto -fbo piglit: debug: Requested an OpenGL 3.1 Forward-Compatible Core Context, and received a matching 3.3 context

Probe color at (1,1) Expected: 1.000000 0.000000 0.000000 0.000000 Observed: 1.000000 1.000000 1.000000 1.000000 Probe color at (2,1) Expected: 1.000000 0.000000 0.000000 0.000000 Observed: 1.000000 1.000000 1.000000 1.000000 Probe color at (3,1) Expected: 1.000000 0.000000 0.000000 0.000000 Observed: 1.000000 1.000000 1.000000 1.000000

Since this test passes other platforms, it may be an SNB-specific mesa bug.

Version: git

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