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Archived issue #0031580

Visualization, TKOpenGl - cubemap initialization error on OpenGL ES 2.0

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Description

OpenGl_Texture::InitCubeMap() fails on OpenGL ES 2.0 due to two errors - usage of GL_TEXTURE_WRAP_R texture parameter (available only single OpenGL ES 3.0) and usage of signed internal format:
TKOpenGl | Type: Error | ID: 0 | Severity: High | Message:
  Unable to initialize side of cubemap

WebGL warning: texParameter: texParameter: pname: Invalid enum value TEXTURE_WRAP_R
WebGL warning: texImage: Invalid internalformat: 0x8058

Steps to reproduce

N/A

Public activity

4 archived notes

Participants are labeled by their role within this record.

01Commenter 3
Branch [archived branch] has been created by Author.

[revision removed]


Detailed log of new commits:

Author: Author
Date: Wed May 27 13:36:17 2020 +0300

    0031580: Visualization, TKOpenGl - cubemap initialization error on OpenGL ES 2.0
    
    OpenGl_Texture::InitCubeMap() now avoids using sized internal format in case of GLES2.
    OpenGl_Sampler::applySamplerParams() now checks OpenGL version before setting GL_TEXTURE_WRAP_R.
02Author
Please raise the patch in OCCT branch CR31580.

http://jenkins-test-12.nnov.opencascade.com/view/CR31580-master-KGV/
03Commenter 1
Combination -
OCCT branch : [archived branch]
master SHA - [revision removed]
[revision removed]
Products branch : [archived branch] SHA - [revision removed]
was compiled on Linux, MacOS and Windows platforms and tested in optimize mode.

Number of compiler warnings:
No new/fixed warnings

Regressions/Differences/Improvements:
No regressions/differences

CPU differences:
Debian80-64:
OCCT
Total CPU difference: 17185.300000000076 / 17188.26000000018 [-0.02%]
Products
Total CPU difference: 11192.350000000066 / 11217.810000000067 [-0.23%]
Windows-64-VC14:
OCCT
Total CPU difference: 18662.4375 / 18659.515625 [+0.02%]
Products
Total CPU difference: 12991.78125 / 13006.1875 [-0.11%]


Image differences :
No differences that require special attention

Memory differences :
No differences that require special attention
04Commenter 3
Branch [archived branch] has been deleted by Participant.

[revision removed]

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