[Lazarus] Get TOpenGLControl as Bitmap

[Aradeonas]

> Yes. Render your scene to a texture. Render a full screen quad
> textured with your scene texture using a blur shader (or two shaders
> (a horizontal and a vertical one) as it's faster). For details google
> "opengl gaussian blur" or "opengl post-processing".
>
> R.

It looks good. Is there any implementation of it in Delphi or
FreePascal? Im not so familiar with OpenGL and Im using it with
BGRABitmap helps.

Regards, Ara


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