Search found 2 matches

by photonic
Thu May 20, 2021 10:31 am
Forum: EVE2 & EVE3 & EVE4 SPI TFT's
Topic: double buffering or alpha blending on EVE
Replies: 3
Views: 2397

Re: double buffering or alpha blending on EVE

Hello Rudolf,
Thanks for your response. I'm ok with 8 bits per pixel.

However doing this with a bitmap has several issues, at 800x480 you can only use up to 8 bit per pixel in order to be able to put two of these in RAM_G.
With 1 bit per pixel this "only" is 47k but these 47k do not only have to ...
by photonic
Wed May 19, 2021 10:26 am
Forum: EVE2 & EVE3 & EVE4 SPI TFT's
Topic: double buffering or alpha blending on EVE
Replies: 3
Views: 2397

double buffering or alpha blending on EVE

Hello,
I would like to do double buffering graphics for the purpose of an oscilloscope screen. Can this be done on an EVE SPI based display? If so, which one and how? I am looking for at least 480 px wide screen, preferably 800 px wide.

The idea is to write to a zone of memory that is not actively ...