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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
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
(HDR :ref:`* <libvirt_determining_memory_hdr>`).
@ -85,11 +87,13 @@ the value to.
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
provided example is 32 MiB.

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repos/PureSpice

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Subproject commit 2129e825ab4c74dc4fdebaded4030f1e8968644a
Subproject commit 2a8d2ed8e564e8d32104f8a1a4898e88fbc537aa