CopySurface is for rendering to a texture.
I had a search and this is the relevant thread.
render2texture & DDS CopySurface:
http://www.blitzbasic.com/Community/posts.php?topic=62050
Also, another of Tom's dx7 extensions.
Bump Mapping demo & source:
http://www.blitzbasic.com/Community/posts.php?topic=62128
I had a search and this is the relevant thread.
render2texture & DDS CopySurface:
http://www.blitzbasic.com/Community/posts.php?topic=62050
Also, another of Tom's dx7 extensions.
Bump Mapping demo & source:
http://www.blitzbasic.com/Community/posts.php?topic=62128