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OpenGL Graphics Rendering API Overview

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Questions and Answers

What is the prefix used for GLUT commands?

GL
glut (correct)
gl
GL_

How is the clearing color specified in OpenGL?

Using glClear function
With glClearColor function and RGBA components (correct)
Automatically by OpenGL
In RGB values between 0 and 255

What happens if you set the foreground color using glColor function in OpenGL?

The color cannot be changed again
It affects the background color
It changes for the current vertex only
It changes for all subsequent vertices until explicitly changed (correct)

Which command is used to clear the color buffer in OpenGL?

glClear (B) Signup and view all the answers

What does the 'A' component signify in RGBA color specification?

Alpha value for transparency (B) Signup and view all the answers

Which functions can be used to set the background and foreground colors in OpenGL?

glClearColor and glColor3f (B) Signup and view all the answers

Which OpenGL library is responsible for providing important utilities like setting camera view and projection?

OpenGL Utility Library (GLU) (A) Signup and view all the answers

What type of commands in OpenGL start with a prefix 'glu'?

Commands for important utilities (B) Signup and view all the answers

Which header file in OpenGL automatically includes gl.h, glu.h, and glx.h?

glut.h (A) Signup and view all the answers

What is the purpose of OpenGL Utilities Toolkit (GLUT) in OpenGL programming?

Interacting with the Operating System (B) Signup and view all the answers

Which type of OpenGL library consists of commands prefixed with 'gl'?

OpenGL Utility Library (GLU) (C) Signup and view all the answers

What type of primitives can be used to model objects in Core OpenGL (GL)?

Points, lines, and polygons (A) Signup and view all the answers