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[doc] install: cleanup ivshmem forumla formatting

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Geoffrey McRae
2022-09-19 22:15:40 +10:00
parent 136410daac
commit 7446fe8c99
2 changed files with 11 additions and 7 deletions
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doc/install.rst
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@@ -70,11 +70,13 @@ Determining memory
You will need to adjust the memory size to be suitable for your desired maximum You will need to adjust the memory size to be suitable for your desired maximum
resolution, with the following formula: resolution, with the following formula:
``width x height x pixel size x 2 = frame bytes`` .. code::
``total bytes / 1024 / 1024 = frame megabytes`` width x height x pixel size x 2 = frame bytes
``total megabytes + 10 = total size required`` total bytes / 1024 / 1024 = frame megabytes
frame megabytes + 10 MiB = total megabytes
Where `pixel size` is 4 for 32-bit RGB (SDR) or 8 for 64-bit Where `pixel size` is 4 for 32-bit RGB (SDR) or 8 for 64-bit
(HDR :ref:`* <libvirt_determining_memory_hdr>`). (HDR :ref:`* <libvirt_determining_memory_hdr>`).
@@ -85,11 +87,13 @@ the value to.
For example, for a resolution of 1920x1080 (1080p): For example, for a resolution of 1920x1080 (1080p):
``1920 x 1080 x 4 x 2 = 16,588,800 bytes`` .. code::
``16,588,800 / 1024 / 1024 = 15.82 MiB`` 1920 x 1080 x 4 x 2 = 16,588,800 bytes
``15.82 MiB + 10 MiB = 25.82 MiB`` 16,588,800 / 1024 / 1024 = 15.82 MiB
15.82 MiB + 10 MiB = 25.82 MiB
You must round this value up to the nearest power of two, which for the You must round this value up to the nearest power of two, which for the
provided example is 32 MiB. provided example is 32 MiB.

2
repos/PureSpice

Submodule repos/PureSpice updated: 2129e825ab...2a8d2ed8e5