Hardware Reference
In-Depth Information
Frame Buffer Height
The default is to define the height of the frame buffer as the display's height minus the
overscan pixels.
framebuffer_height
Description
default
Display height overscan
framebuffer_height=n
Set height to
n
pixels
Frame Buffer Depth
This parameter defines the number of bits per pixel.
framebuffer_depth
Description
8
Valid, but default RGB palette makes an unreadable screen
16
Default
24
Looks better but has corruption issues as of 6/15/2012
32
No corruption, but requires framebuffer_ignore_alpha=1, and
shows wrong colors as of 6/15/2012
Frame Buffer Ignore Alpha
The alpha channel can be disabled with this option. As of this writing, this option must be
used when using a frame buffer depth of 32 bits.
framebuffer_ignore_alpha
Description
0
Alpha channel enabled (default)
1
Alpha channel disabled
General Video Options
The display can be flipped or rotated in different ways, according to the
display_rotate
option. You should be able to do both a flip and a rotate by adding the flip values to the
rotate value.
