Raspberry Pi

Activar OpenGL en Raspbian

En mi instalación actual de Raspbian Stretch he visto que la aceleración gráfica estaba activada. Pero no sé si la he activado yo, o venía así por defecto. Así que por si acaso, voy a explicar aquí los pasos.

Esta opción estaba en beta hasta no hace mucho, pero ya se la considera estable. Aún así, algunas veces he visto que el menú de inicio al abrirlo para arrancar alguna aplicación aparece en negro y luego ya si carga.

My virtual reality world

‘I have come to hate my devices,’ the vicar said.

My eyes squinted. ‘You mean vices,’ I clarified.

No no. The vicar was referring to his alarm clock. ‘It is so loud, so ear-piercing in the morning, that I lather it with curse words. I hate it, I hate it. I want to smash its stupid florescent digits against the wall. I remain it bed to spite it, to show it it is not the boss of me. There is only one boss of me,’ and he pointed to the heavens.

How to Rotate the Raspberry Pi Display Output

If you are building a Raspberry Project with screen there may be times you need to rotate the screen. This fairly easy to do in Raspbian.

Start by editing the config.txt file :

sudo nano /boot/config.txt

Add one of the following lines to the bottom of the file :

display_rotate=0
display_rotate=1
display_rotate=2
display_rotate=3

0 is the normal configuration. 1 is 90 degrees. 2 is 180 degress. 3 is 270 degrees.

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