34 lines
1.3 KiB
Text
34 lines
1.3 KiB
Text
This document is for creating the 4.0 release notes. There are 3 parts:
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- the notes themselves
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- comments and todo's about what should be added to them
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- comments about what should be in the accompanying kwin 4.0 video
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4.0 release notes
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=================
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- Performance/smoothness with nVidia cards: Smoothness of KWin rendering
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can be improved by setting env.variable KWIN_NVIDIA_HACK to 1 (e.g. append
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"export KWIN_NVIDIA_HACK=1" to your ~/.profile file). This sets __GL_YIELD=NOTHING
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for KWin, letting KWin use more CPU time for OpenGL operations, however
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at the expense of affecting performance of other applications. This is
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therefore disabled by default. This setting may be removed in the future
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if the negative impact becomes insignificant. See section "OPENGL YIELD BEHAVIOR"
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in README.txt for nVidia cards.
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- XRender mode: It is possible to use XRender for compositing instead of the default OpenGL.
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XRender mode in general has less features, however at the moment it is also considered
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unstable - it has not received as much testing as OpenGL mode, some features may be incomplete
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and it is recommended to use the OpenGL mode if possible. Also note that current XRender
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implementations often perform rather poorly.
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Comments
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========
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- mention how to turn it on
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- refer to COMPOSITE_HOWTO?
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Video
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=====
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