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| {{{ Video overlay method Hardware video acceleration ("Xv") is primarily done through a so-called "overlay" window provided by the graphics hardware. ... The maximum video frame size (size of video source) is 384x288 on the 5597/5598, 720x576 on the 6326, 530/620, }}} |
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man sis: {{{ Option "FastVram" "boolean" Enable or disable FastVram mode. Enabling this sets the video RAM timing to one cycle per read operation instead of two cycles. Disabling this will set two cycles for read and write operations. Leaving this option out uses the default, which varies depending on the chipset. Option "NoYV12" "boolean" Disable YV12 Xv support. This might me required due to hardware bugs in some chipsets. Disabling YV12 support forces Xv-aware applications to use YUV2 or XShm for video output. Default: YV12 support is on. }}} |
Articolo incompleto: Questo articolo è incompleto e necessita una revisione dei contenuti e una revisione stilistica. |
Indice(depth=2) Informazioni(forum="http://forum.ubuntu-it.org/"; rilasci="10.04")
Titolo: informazioni per scheda sis 6326:
Versioni Supportate: Lubuntu 10.04
Riferimenti
http://www.winischhofer.net/linuxsisvga.shtml
Video overlay method
Hardware video acceleration ("Xv") is primarily done through a so-called "overlay" window provided by the graphics hardware.
...
The maximum video frame size (size of video source) is
384x288 on the 5597/5598,
720x576 on the 6326, 530/620,http://gd.tuwien.ac.at/hci/x.org/X11R7.0/doc/html/SiS2.html
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-sis/+bug/380413
man sis:
Option "FastVram" "boolean"
Enable or disable FastVram mode. Enabling this sets the video
RAM timing to one cycle per read operation instead of two
cycles. Disabling this will set two cycles for read and write
operations. Leaving this option out uses the default, which
varies depending on the chipset.
Option "NoYV12" "boolean"
Disable YV12 Xv support. This might me required due to hardware
bugs in some chipsets. Disabling YV12 support forces Xv-aware
applications to use YUV2 or XShm for video output. Default:
YV12 support is on.Xorg.0.log:
(II) SIS(0): VESA VBE Total Mem: 4096 kB
(II) SIS(0): 2D acceleration enabled
(II) SIS(0): Using XFree86 Acceleration Architecture (XAA)
Screen to screen bit blits
Solid filled rectangles
Solid Horizontal and Vertical Lines
Setting up tile and stipple cache:
10 128x50 slots
(--) SIS(0): CPU frequency 637.57Mhz
(II) SIS(0): Failed to allocate video RAM for video data transfer benchmark
(II) SIS(0): Chose MMX2 method for aligned data transfers to video RAM
(II) SIS(0): Chose MMX2 method for unaligned data transfers to video RAM
(==) SIS(0): Backing store disabled
(==) SIS(0): Silken mouse enabled
(==) SIS(0): DPMS enabled
(II) SIS(0): Using SiS5597/5598/6326/530/620 HW Xv
(II) AIGLX: Screen 0 is not DRI2 capable
(II) AIGLX: Screen 0 is not DRI capable
(II) AIGLX: Loaded and initialized /usr/lib/dri/swrast_dri.so
(II) GLX: Initialized DRISWRAST GL provider for screen 0