Re: Weird behaviour on the Raspberry Pi

Filed this now as

https://bugzilla.libsdl.org/show_bug.cgi?id=3455 

because it clearly seems to be a bug in the Raspi backend.

On 29.09.2016 at 17:16 Andreas Falkenhahn wrote:

> On 28.09.2016 at 18:44 Jonathan Dearborn wrote:

>> Can you simplify this example with fewer textures and RTT calls and still get this behavior?

> It works correctly when disabling scaling, i.e. changing the following line

>         texture3 = SDL_CreateTexture(renderer,
> SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, w, w);

> into this line

>         texture3 = SDL_CreateTexture(renderer,
> SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_TARGET, 640, 480);

> solves the problem and there is no alternation between red and black screens any
> more. The problem only seems to appear when the dimensions of texture3 and texture2
> don't match, i.e. when SDL_RenderCopy() needs to scale-copy texture2 to texture3
> instead of just copying it without the involvement of scaling.

-- 
Best regards,
 Andreas Falkenhahn                            mailto:[email protected]