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WebGLRenderingContext | WebGL2RenderingContext

WebGLRenderingContext and WebGL2RenderingContext are the JavaScript(?) interfaces for the OpenGL ES graphics rendering context. They allow to draw onto the surface of a <canvas> HTML element.
A WebGLRenderingContext or WebGL2RenderingContext object can be obtained by calling HTMLCanvasElement.getContext with the parameter value webgl or webgl2.

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