[Freeciv-Dev] Re: (PR#16431) [PATCH] cairo conversion of gtk2 client

["Vasco Alexandre da Silva Costa" <vasco.costa@xxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=16431 >

On 4/27/06, Christian Prochaska <cp.ml.freeciv.dev@xxxxxxxxxxxxxx> wrote:
>
> This writes the created surface back to a PNG file and in my test with
> amplio and trident tilesets and the "nv" driver it created some "empty"
> files (sample file attached):
>
> misc/citybar.png
> misc/colors.png
>
> amplio/fog.png
> amplio/grid.png
> amplio/terrain1.png
> amplio/terrain2.png
>
> trident/fog.png
> trident/roads.png
> trident/tiles.png
>
> Do these images have something in common what the other images don't have?

You can try running the UNIX 'file' command on them, to see if there
is something common.

> And for some reason they were drawn correctly when I replaced
> CAIRO_OPERATOR_SOURCE with CAIRO_OPERATOR_OVER, but this still didn't
> solve the "high CPU load" problem (which makes the game really
> unplayable, because every move needs seconds). I tracked this down to
> canvas_put() where CPU usage comes to a normal level when I outcomment
> the cairo_set_source_surface() call, but of course nothing useful is
> visible then.


--
Vasco Alexandre da Silva Costa