Bokep
- Viewed 10k times8edited Jul 20, 2018 at 1:45
to check for WebGL2
const gl = someCanvas.getContext("webgl2");if (!gl) { .. no webgl2 }to check for WebGL1
const gl = someCanvas.getContext("webgl");if (!gl) { ... no webgl }GLSL there is nothing to check for. WebGL1 supports GLSL ES 1.0. WebGL2 supports both GLSL ES 1.0 and GLSL ES 3.0 period.
If you want to write a shader that compiles in both GLSL ES 1.0 and GLSL ES 3.0, well, you actually can't without string manipulation in JavaScript since the first line in a GLSL ES 3.0 shader must be
#version 300 esContent Under CC-BY-SA license - What calls I could make to determine WebGL version support (eg 1 vs 2) and also SL specification version (eg. 1.x vs 3.x) in the current browser. Do you know which call…✓ I wanted to add some of my own discoveries here too in case they come useful for others: You can query the supporting shader language like this: gl.getP…
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