Hi,

I'm a noob in shader development, I wanted to know how to get the last rendered image in a shader (for implementing a motion blur ).

Thanks.

Best regards.

Are you looking for "TargetMap" ?

(I think the TargetMap feature is a bit buggy, you may prefer to create your own render target (view.bmap and bmap_create)).

I think he wants to access the content of the previous backbuffer to mix it with the current. There must be a view flag to prevent the backbuffer from getting cleared. Btw. this is usually not a good way to simulate motion blur. Also as a shader noob, you should start with simpler effects.

The NOSKY flag could do it. Do all your rendering to one target, but have the final view shown on screen have the NOSKY flag set, and use a pp-shader to mix the render target into this view with an alpha < 1.0.

Jibb

EDIT: I wonder if NOSKY is perhaps useless in PROCESS_TARGET. It's not working here.

Hi,

Thanks for all the answers, I just saw a documentation about it and wondered how to achieve it with gamestudio. I will try to begin with simpler effects.

Thanks again.

Best regards.