Quote Originally Posted by The trick View Post
I can help you but i need the working shader (a typical case of your task) because i don't fully understand what's exactly you try to do.
Main Topic:
1) How to have/manage multiple Variables ( the using of cPSConstTbl)
and other types of variables such as Arrays and FLOAT3
I'll show here a/some working shader examples as soon as I can.

2) Secondary. The other questions I put are not related to RayMarching, but about a sort of image-manipulation done through the GPU. We can see them in a second time.
- Send Bytes array of texture from VB6 to shader
- Get BytesArray of manipulated texture back to VB6