HP Remote Graphics Software (RGS) Manual de usuario descargar pdf (Pagina 218)

●

Select the Desktop tab and select Customize Desktop.

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On the Web tab, check Lock desktop items.

Sender process priority—Occasionally, an activity such as rotating a model in a 3D design

program may appear slow and erratic, and image update may appear inconsistent. If the Sender

is running on Windows, OS scheduling may be an issue. This can often be resolved by increasing

the process priority of the Sender. See the

Setting the Windows Sender process priority

on page 59 for further details.

Java Applications—Some recent versions of the Java Runtime Environment and version 1.3 used

DirectX. To see screen updates on Windows XP Professional with these versions of Java, Automatic

3D Updates must be enabled (see

Using the rgadmin tool on page 60). Rendering through DirectX

will often cause the entire DirectX window to be registered as a screen modification. This can

result in higher bandwidth and slightly higher CPU utilization by the Remote Graphics Sender. In

some cases, performance may be improved by using GDI rather than DirectX with Java.

●

To use GDI with Java, the "-Dsun.java2d.noddraw=true" option needs to be supplied to the

java or javaw executable. For example:

java -Dsun.java2d.noddraw=true SomeApp

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This can be done by passing this option on the command line or adding this option to the

_JAVA_OPTIONS environment variable. For example:

set _JAVA_OPTIONS=-Dsun.java2d.noddraw=true

java SomeApp

11.3 Troubleshooting graphics performance

The dominant factor impacting performance on the Sender is the frame buffer read performance of the

graphics adapter. Frame buffer read performance of at least ten frames per second is recommended for

optimum RGS performance.

RGS uses the Remote Computer graphics adapter to accelerate rendering of the image. After the image

on the Remote Computer is modified, the RGS Sender reads the rendered image from the frame buffer,

compresses it, and transmits it to the Receiver.

On Windows, use BltTest to test the frame buffer read performance of the Remote Computer. This tool is

available at:

http://www.stereopsis.com/blttest/

202 Chapter 11 Optimizing RGS performance ENWW

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HP Remote Graphics Software (RGS) Manual de usuario Pagina 218