SDL2 texture blend help

[Dmitry]

On Tuesday, 12 December 2017 at 03:32:05 UTC, Ivan Trombley wrote:
> It turns out that it's an issue with the color channels being 
> in sRGB color space and the alpha channel being linear. I 
> verified this by doing a software blend of the images and then 
> doing another software blend using gamma corrected values.
>
> There's a setting in opengl to correct for it, 
> glEnable(GL_FRAMEBUFFER_SRGB), but I haven't tried this yet.

BTW, also you could use bleeding (for example, 
https://github.com/dmi7ry/alpha-bleeding-d )