al_get_d3d_video_texture - Allegro 5 API

       Returns  the video texture (stored with the D3DPOOL_DEFAULT or D3DPOOL_MANAGED flags depending on whether
       render-to-texture is enabled or disabled respectively).

       Returns: A pointer to the Direct3D video texture.

Allegro reference manual                                                       al_get_d3d_video_texture(3alleg5)

       al_get_d3d_video_texture - Allegro 5 API

              #include <allegro5/allegro_direct3d.h>

              LPDIRECT3DTEXTURE9 al_get_d3d_video_texture(ALLEGRO_BITMAP *bitmap)