Commits on Aug 26, 2019

1. Fix extension querying when using WebGL2 …

   This patch fixes a crash caused by using a deprecated GL call.
   Starting with OpenGL 3 (used by WebGL2), the `glGetString(GL_EXTENSIONS)`
   call is deprecated, and some drivers produce GL_INVALID_ENUM error.
   Querying can be done by checking the number of extensions first,
   then getting the extensions one by one.

   

   mmatyas committed Aug 26, 2019

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