Which OpenGL primitive is used to draw a polygon?Question 13Select one or more:a.GL_POINTSb.GL_TRIANGLESc.GL_POLYGONd.GL_LINESe.GL_QUADS
Question
Which OpenGL primitive is used to draw a polygon?
Question 13
Select one or more:
- a. GL_POINTS
- b. GL_TRIANGLES
- c. GL_POLYGON
- d. GL_LINES
- e. GL_QUADS
Solution
To answer the question of which OpenGL primitive is used to draw a polygon, let's analyze the options provided:
-
GL_POINTS: This primitive is used to render points in 2D or 3D space. It does not create polygons.
-
GL_TRIANGLES: This primitive is used to create a polygon made up of triangles. While it may form polygons, it specifically deals with triangles rather than polygons generally.
-
GL_POLYGON: This directly describes a polygon. It is used specifically to draw a polygon with an arbitrary number of vertices.
-
GL_LINES: This primitive is used to draw lines between pairs of specified vertices. It does not create polygons.
-
GL_QUADS: This primitive is used to draw quadrilaterals, which are a specific type of polygon with exactly four vertices.
Final Answer
The OpenGL primitives that can be used to draw a polygon are:
- c. GL_POLYGON
- e. GL_QUADS
Thus, the correct selections are GL_POLYGON and GL_QUADS.
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