[Lazarus] Fast drawing to canvas

[Sven Barth]

Am 23.02.2012 13:56, schrieb Marco van de Voort:
> On Fri, Feb 10, 2012 at 11:46:23AM +0100, Sven Barth wrote:
>>> said, on windows I get 50%HD @ 88fps and full HD @35fps. Now Mac is
>>> worrying as it draws full HD @ only 12fps. Maybe opengl can draw more
>>> efficienctly in this case? I would also like to test SDL.
>>
>> I don't know whether OpenGL is really more efficiently, I just wanted to
>> throw in an alternative variant.
>
> The limit in OpenGL is going to be uploading speed. IIRC speed also depends
> on your opengl implementation match your videocard (iow, do not create
> opengl3 context on e.g. gf8x00 series, but do for new cards)
>
> I still have some code that does this. (OpenGL viewer widget + image type
> that supports a few basic kinds of bmp and png).
>
> But it is Delphi XE generics code, and I need some bugs fixed first :-)

Somehow I have the feeling that the last statement was meant for me... ^^

Regards,
Sven