HP Visualize J5000 hp workstations - hp-ux 10.20 graphics administration guide - Page 113

Window Conditions, Performance Optimized For, Factors Affecting Performance, Polygon Primitives

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Window Conditions Performance Optimized For: Factors Affecting Performance: • Window unobscured or obscured only by • Window obscured by many other image overlay windows plane windows • Backing store enabled (on supported devices) Polygon Primitives Performance Optimized For: Factors Affecting Performance: • Best: shared vertex primitives with many • More than 64 vertices in a single facet vertices: • 2D polygons o triangular_strip, • Device coordinate polygons triangular_strip_with_data o polyhedron_with_data o quadrilateral_mesh, quadrilateral_mesh_with_data o polytriangle_with_data, polyquad_with_data • Good: polygon3d • shade_mode set to CMAP_FULL • Edging: o Best: edging off o Great: SET_POLYGON_OFFSET • shade_mode set to CMAP_NORMAL or CMAP_MONOTONIC • Partial polygons • These vertex formats: o Indirect color o Intensity o No vertex normals (when lighting is enabled) o Non-unit normals enabled, with hardware support o Good: SET_POLYGON_OFFSET enabled, with software support o Fair: edging on Polyline Primitives Performance Optimized For: Factors Affecting Performance: • Best: polyline3d and polyline_with_data3d • These vertex formats: with or without move/draw flags, many o RGB/vertex vertices per call o Indirect color o Intensity • Individual moves and draws with move3d and draw3d • shade_mode set to CMAP_MONOTONIC Page 113 Graphics Administration Guide for HP-UX 10.20

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Window Conditions
Performance Optimized For:
Factors Affecting Performance:
•
Window unobscured or obscured only by
overlay windows
•
Window obscured by many other image
plane windows
•
Backing store enabled (on supported
devices)
Polygon Primitives
Performance Optimized For:
Factors Affecting Performance:
•
Best: shared vertex primitives with many
vertices:
o
triangular_strip,
triangular_strip_with_data
o
polyhedron_with_data
o
quadrilateral_mesh,
quadrilateral_mesh_with_data
o
polytriangle_with_data,
polyquad_with_data
•
Good: polygon3d
•
shade_mode
set to
CMAP_FULL
•
Edging:
o
Best: edging off
o
Great:
SET_POLYGON_OFFSET
enabled, with hardware support
o
Good:
SET_POLYGON_OFFSET
enabled, with software support
o
Fair: edging on
•
More than 64 vertices in a single facet
•
2D polygons
•
Device coordinate polygons
•
shade_mode
set to
CMAP_NORMAL
or
CMAP_MONOTONIC
•
Partial polygons
•
These vertex formats:
o
Indirect color
o
Intensity
o
No vertex normals (when lighting is
enabled)
o
Non-unit normals
Polyline Primitives
Performance Optimized For:
Factors Affecting Performance:
•
Best: polyline3d and polyline_with_data3d
with or without move/draw flags, many
vertices per call
•
These vertex formats:
o
RGB/vertex
o
Indirect color
o
Intensity
•
Individual moves and draws with move3d
and draw3d
•
shade_mode
set to
CMAP_MONOTONIC
Graphics Administration Guide for HP-UX 10.20
Page 113