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Archived issue #0028241

Visualization, Path tracing - shader compilation error on Radeon 290

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Description

Path Tracing program does not work anymore (REGRESSION after #0028126) on Radeon 290 due to the following error:
Draw[13]> vrenderparams -gi
TKOpenGl.GLSL | Type: Error | ID: 2000 | Severity: High | Message:
  glCompileShader failed to compile a GLSL shader with the following shader info
 log: 'Fragment shader failed to compile with the following errors:
ERROR: 0:1443: error(#0000202) No matching overloaded function found: mix
ERROR: 0:1443: error(#0000247) Function return does not match type
ERROR: error(#273) 2 compilation errors.  No code generated

'
TKOpenGl | Type: Error | ID: 0 | Severity: High | Message:
  Failed to compile ray-tracing fragment shaders

Draw[15]> vglinfo
OpenGL info:
  GLvendor: ATI Technologies Inc.
  GLdevice: AMD Radeon R9 200 Series
  GLversion: 4.5.13447 Compatibility Profile/Debug Context 16.300.2311.0
  GLSLversion: 4.50
  GLdebug: ON
  Max texture size: 16384
  Max MSAA samples: 8
  Viewport: 409x409
  ResolutionRatio: 1


The error happens on the following line:
  return mix (UNIT, ZERO, theWo.z <= 0.f);

Steps to reproduce

v3d raytrace bug25201,bug25221,bug26617,sample_ball,sample_ball_alpha,sample_cube,sample_cube_twosided

Public activity

5 archived notes

Participants are labeled by their role within this record.

01Commenter 2
Branch [archived branch] has been created by Participant.

[revision removed]


Detailed log of new commits:

Author: dbp
Date: Mon Dec 19 14:00:09 2016 +0300

    0028241: Visualization, Path tracing - shader compilation error on Radeon 290
02Commenter 2
Dear kgv,

Could you please review the fix in branch CR28241?
03Author
Please test the patch.
04Commenter 4
Dear BugMaster,

Branch CR28241 from occt git-repository (and master from products git-repository) was compiled on Linux, MacOS and Windows platforms and tested.
[revision removed]

Number of compiler warnings:
occt component:
   Linux: 0 (0 on master)
   Windows: 0 (0 on master)
   MasOS: 0 (0 on master)
products component:
   Linux: 63
   Windows: 0
   MacOS: 1132

Regressions/Differences:
Not detected

Testing cases:
v3d raytrace bug25201 - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/bug25201.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/bug25201.html
v3d raytrace bug25221 - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/bug25221.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/bug25221.html
v3d raytrace bug26617 - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/bug26617.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/bug26617.html
v3d raytrace sample_ball - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/sample_ball.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/sample_ball.html
v3d raytrace sample_ball_alpha - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/sample_ball_alpha.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/sample_ball_alpha.html
v3d raytrace sample_cube - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/sample_cube.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/sample_cube.html
v3d raytrace sample_cube_twosided - OK
http://occt-tests/CR28241-master-OCCT/Debian70-64/v3d/raytrace/sample_cube_twosided.html
http://occt-tests/CR28241-master-OCCT/Windows-64-VC10/v3d/raytrace/sample_cube_twosided.html

Testing on Linux:
Total MEMORY difference: 93439682 / 92914380 [+0.57%]
Total CPU difference: 21562.920000000224 / 21640.46000000027 [-0.36%]

Testing on Windows:
Total MEMORY difference: 58501373 / 58518712 [-0.03%]
Total CPU difference: 19469.299202398593 / 19818.897443398673 [-1.76%]
05Commenter 2
Branch [archived branch] has been deleted by Author.

[revision removed]

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