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Table: glBegin/glEnd objects.
Object Interpretation of Vertices
point each vertex describes the location of a point
line strip series of connected line segments; each vertex after first describes the endpoint of next segment
line loop same as line strip but final segment added from final vertex to first vertex
separate line each pair of vertex describes a line segment
polygon line loop formed by vertices describes the boundary of a convex polygon
triangle strip each vertex after the first two describes a triangle given by that vertex and the previous two
triangle fan each vertex after the first two describes a triangle given by that vertex, the previous vertex, and the first vertex
separate triangle each consecutive triad of vertices describes a triangle
quadrilateral strip each pair of vertices after the first two describes a quadrilateral given by that pair and the previous pair
independent quad each consecutive group of four vertices describes a quadrilateral




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...re \thefigure . Association of current values with a vertex.} \\
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4×4



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...riangle. (c) A scene consisting of many
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(x, y, z, w)

- wx

xw

- wy

yw

- wz

zw

x/w

y/w

z/w

z



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...ure \thefigure . GLX client, X server, and OpenGL renderers.} \\
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(b) Stroke font example. (c) Texture mapped font example.}\\
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