[bug] standard_derivatives

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- Gigatron
- - Joined 8 Jan, 2012
  - 150 topics • 948 posts
- 1
- 26 Mar, 2018
- Quote
Problem Description

Error: error compiling fragment shader: WARNING: 0:5: 'GL_OES_standard_derivatives' : extension is not supported.

ERROR: 0:21: 'dFdx' : no matching overloaded function found

ERROR: 0:21: 'dFdy' : no matching overloaded function found

Attach a Capx

http://gigatron3k.free.fr/html5/C2/bugs/derivatives.rar

Description of Capx

insert sprite and apply OutlinesFX

Steps to Reproduce Bug
Observed Result

Working on Editor mode , Error when run example

Expected Result

Working when running the project;

Affected Browsers
- Chrome: (YES)
- FireFox: (YES)
- Internet Explorer: (??)
Operating System and Service Pack

Windows7 Professional service pack 1

Opengl 4.5.13399

Comptability Profile Context 15.200.1062.1004

Ati Technologie AMD Radeon HD Shader language 4.4

Construct 2 Version ID

Beta R256
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- Ashley Construct Team Founder
- Moderator
- - Joined 21 May, 2007
  - 669 topics • 30,357 posts
- 1
- 26 Mar, 2018
- Quote
Not all devices or platforms support the GL_OES_standard_derivatives extension. You will see this error on systems that do not support the extension. It's not Construct's fault.