HP b2600 hp workstations - hp-ux 11.x graphics administration guide - Page 72

Table 3-10, FSAAScale, Not Set, Overlay, Stereo, False, TrueColorOverlay

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configuring X Windows on HP-UX (other graphics cards) output devices Table 3-10 Screen Option Type AccelerateIndirectRender Boolean ing BackingStore Boolean DefaultVisualTrueColor Boolean EnableOpaqueOverlayVi Boolean sual FSAAScale Integer Overlay Stereo TrueColorOverlay Boolean Boolean Boolean Default True False False False Not Set True False False Description Controls whether indirect OpenGL contexts utilize hardware acceleration or use the HP VMD software driver. Applications that require large or numerous GLX pixmaps may require that this option be set to false. Enables support for backing store and save unders as requested by applications. Use a TrueColor visual as the default visual. If TrueColorOverlay is also enabled, the default visual will be TrueColor visual in the Overlay planes. Enable a depth 8 PseudoColor visual in the overlay planes that does not reserve index 255 for transparency.. Specifies the maximum number of samples per pixel for OpenGL Multisample rendering. (Full Scene AntiAliasing) Permissible values are 2, 4, or 6. The FSAA buffers are reserved at X server startup. All buffers (front, back, depth, FSAA) are allocated from the first 128MB of framebuffer memory. If there is insufficient memory for the requested FSAAScale at a given screen resolution, the server will attempt to allocate a lower scale factor. Disable overlay visuals completely. Enable visuals for OpenGL Stereo rendering. Allocates separate left and right sets of color buffers. Enable a TrueColor visual in the overlay planes. 70 Chapter 3

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configuring X Windows on HP-UX (other graphics cards)
output devices
Chapter 3
70
Table 3-10
Screen Option
Type
Default
Description
AccelerateIndirectRender
ing
Boolean
True
Controls whether indirect OpenGL
contexts utilize hardware acceleration or
use the HP VMD software driver.
Applications that require large or
numerous GLX pixmaps may require
that this option be set to false.
BackingStore
Boolean
False
Enables support for backing store and
save unders as requested by
applications.
DefaultVisualTrueColor
Boolean
False
Use a TrueColor visual as the default
visual.
If TrueColorOverlay is also
enabled, the default visual will be
TrueColor visual in the Overlay planes.
EnableOpaqueOverlayVi
sual
Boolean
False
Enable a depth 8 PseudoColor visual in
the overlay planes that does not reserve
index 255 for transparency..
FSAAScale
Integer
Not Set
Specifies the maximum number of sam-
ples per pixel for OpenGL Multisample
rendering. (Full Scene AntiAliasing)
Permissible values are 2, 4, or 6.
The
FSAA buffers are reserved at X server
startup.
All buffers (front, back, depth,
FSAA) are allocated from the first
128MB of framebuffer memory.
If there
is insufficient memory for the requested
FSAAScale at a given screen resolution,
the server will attempt to allocate a
lower scale factor.
Overlay
Boolean
True
Disable overlay visuals completely.
Stereo
Boolean
False
Enable visuals for OpenGL Stereo
rendering.
Allocates separate left and
right sets of color buffers.
TrueColorOverlay
Boolean
False
Enable a TrueColor visual in the overlay
planes.