On 18 March 2015 at 23:05, Greg Ewing <greg.ewing@xxxxxxxxxxxxxxxx> wrote:
> Mikhail V wrote:
>>
>> 1. It turns out that 32 bit surfaces is an overkill in most cases. Good
>> that there is 8 bit mode.
>
>
> What evidence do you have of that? Have you done any
> benchmarking?
Evidence of what? I ment, almost all the time I don't need so much
bits per pixel, unless I want to see realistic photography. Many
programs I wrote exploit index processing only. rgb encoded formats
just don't apply for most algorithmically created image and
processing, regardless of performance or 'realism'.
And less bpp should be faster memory to gpu memory transfer, I
imagine? If my source is say 4 bits per pixel then converting it every
cycle to rgb and transfering it per 24 bpp stream format is not the
best practice.
Mikhail