Re: [SDL2] Texture with alpha and mouse cursor over it

If the use is rare, like on user input, then the performance penalty of
reading the pixels directly from the texture might be acceptable.

It also depends on what you want to use this info for.  In some cases, you
can do everything you need to do in a shader.

Jonny D

On Thu, Aug 25, 2016 at 12:43 PM, Rang <[email protected]> wrote:

> In this moment i use same method as you describe, but memory we use x2
> (RAM + GPU). [image: Sad]
>
> I thought use SDL_Rect (or other structure) for saving borders\points of
> borders for visible part, but this is more complicated code.
> I already have images, and need dynamicly creating this zones.
>
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