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Formatting fixes (purely cosmetic, fixes GitHub's rendering)

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Ellie 2021-09-07 19:18:30 +02:00 committed by Sam Lantinga
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commit 21160cb815
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docs/README-raspberrypi.md
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@ -1,13 +1,12 @@
Raspberry Pi
================================================================================
============
Requirements:
Raspbian (other Linux distros may work as well).
================================================================================
Features
================================================================================
Features
--------
* Works without X11
* Hardware accelerated OpenGL ES 2.x
@ -16,9 +15,8 @@ Raspbian (other Linux distros may work as well).
* Hotplugging of input devices via UDEV
================================================================================
Raspbian Build Dependencies
================================================================================
Raspbian Build Dependencies
---------------------------
sudo apt-get install libudev-dev libasound2-dev libdbus-1-dev
@ -28,18 +26,17 @@ OpenGL ES 2.x, it usually comes pre-installed, but in any case:
sudo apt-get install libraspberrypi0 libraspberrypi-bin libraspberrypi-dev
================================================================================
NEON
================================================================================
NEON
----
If your Pi has NEON support, make sure you add -mfpu=neon to your CFLAGS so
that SDL will select some otherwise-disabled highly-optimized code. The
original Pi units don't have NEON, the Pi2 probably does, and the Pi3
definitely does.
================================================================================
Cross compiling from x86 Linux
================================================================================
Cross compiling from x86 Linux
------------------------------
To cross compile SDL for Raspbian from your desktop machine, you'll need a
Raspbian system root and the cross compilation tools. We'll assume these tools
@ -92,9 +89,8 @@ To be able to deploy this to /usr/local in the Raspbian system you need to fix u
perl -w -pi -e "s#$PWD/rpi-sdl2-installed#/usr/local#g;" ./rpi-sdl2-installed/lib/libSDL2.la ./rpi-sdl2-installed/lib/pkgconfig/sdl2.pc ./rpi-sdl2-installed/bin/sdl2-config
================================================================================
Apps don't work or poor video/audio performance
================================================================================
Apps don't work or poor video/audio performance
-----------------------------------------------
If you get sound problems, buffer underruns, etc, run "sudo rpi-update" to
update the RPi's firmware. Note that doing so will fix these problems, but it
@ -108,17 +104,15 @@ See here how to configure this setting: http://elinux.org/RPiconfig
Using a fixed gpu_mem=128 is the best option (specially if you updated the
firmware, using CMA probably won't work, at least it's the current case).
================================================================================
No input
================================================================================
No input
--------
Make sure you belong to the "input" group.
sudo usermod -aG input `whoami`
================================================================================
No HDMI Audio
================================================================================
No HDMI Audio
-------------
If you notice that ALSA works but there's no audio over HDMI, try adding:
@ -128,9 +122,8 @@ to your config.txt file and reboot.
Reference: http://www.raspberrypi.org/phpBB3/viewtopic.php?t=5062
================================================================================
Text Input API support
================================================================================
Text Input API support
----------------------
The Text Input API is supported, with translation of scan codes done via the
kernel symbol tables. For this to work, SDL needs access to a valid console.
@ -160,9 +153,9 @@ this determining the CAPS LOCK behavior:
sudo dpkg-reconfigure locales
================================================================================
OpenGL problems
================================================================================
OpenGL problems
---------------
If you have desktop OpenGL headers installed at build time in your RPi or cross
compilation environment, support for it will be built in. However, the chipset
@ -177,9 +170,8 @@ environment variable:
export SDL_RENDER_DRIVER=opengles2
================================================================================
Notes
================================================================================
Notes
-----
* When launching apps remotely (via SSH), SDL can prevent local keystrokes from
leaking into the console only if it has root privileges. Launching apps locally