OESStandardDerivatives
js.html.webgl.extension.OESStandardDerivatives (extern class)
The OES_standard_derivatives extension is part of the WebGL API and adds the GLSL derivative functions dFdx, dFdy, and fwidth.
Documentation OES_standard_derivatives by Mozilla Contributors, licensed under CC-BY-SA 2.5.
See:
Static Members
FRAGMENT_SHADER_DERIVATIVE_HINT_OES: IntA Glenum indicating the accuracy of the derivative calculation for the GLSL built-in functions: dFdx, dFdy, and fwidth.