WebGL (2011) Quiz

Exam-prep questions for the WebGL (2011) track of the Terminal Academy. Call raw WebGL from JavaScript with no library: contexts and limits, buffers, shader programs, GL state, draw calls and textures.

This category currently has 40 questions in the SERVBG quiz bank. Below are a few sample questions: the full interactive quiz shuffles through the whole set with instant scoring.

Sample questions

In which year was the WebGL 1.0 specification released?

2006
2011
2009
2013
2017

What does canvas.getContext("webgl") return when the browser will not give the page a WebGL context?

An empty object
null
It throws a TypeError
A 2D canvas context instead
The boolean false

Which shader stage is required to write gl_Position?

The fragment shader
The vertex shader
The program linker
The geometry shader
The compute shader

In a WebGL 1 fragment shader, which built-in variable receives the output colour?

gl_Position
gl_FragCoord
gl_FragColor
gl_Color
gl_PointSize

Which call actually uploads vertex data into GPU memory?

gl.bufferData
gl.bindBuffer
gl.createBuffer
gl.enableVertexAttribArray
gl.vertexAttribPointer

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WebGL (2011) trains for the Terminal Academy’s WebGL (2011) era.

Terminal Academy: WebGL

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