What is the primary purpose of the OpenGL function glViewport? a) set the color right b) define the region of the window to render to c) enable depth testing d) bind a texture

Understand the Problem

The question is asking for the primary purpose of the OpenGL function glViewport, specifically which option correctly defines what this function does among the provided choices.

Answer

Define the region of the window to render to.

The primary purpose of the OpenGL function glViewport is to define the region of the window to render to.

Answer for screen readers

The primary purpose of the OpenGL function glViewport is to define the region of the window to render to.

More Information

The function glViewport specifies how to map the normalized device coordinates to window coordinates, effectively defining which part of the window is used for rendering.

Tips

A common mistake is confusing glViewport with functions that set color or enable features like depth testing. GlViewport only sets the rendering region.

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