There doesn’t seem to be a spec anywhere for the WGL_ATI_render_texture_rectangle extension. Does anyone have the enumerant values?
You mean this enumerant:
#define WGL_TEXTURE_RECTANGLE_ATI 0x21A5
Can you please elaborate more on this? Where did you get the information from? How is this extension used?
It’s from glew.
Search the forum for WGL_TEXTURE_RECTANGLE_ATI, you will find some example.