mesa/st: Add support for binding pipe surface to texture.

This commit adds functions to bind a pipe surface to a texture.  This
allows texturing directly from the surface.

Signed-off-by: Chia-I Wu <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h
index b9d447cb56e..60868ce0673 100644
--- a/src/mesa/state_tracker/st_texture.h
+++ b/src/mesa/state_tracker/st_texture.h
@@ -69,6 +69,11 @@ struct st_texture_object
    struct pipe_texture *pt;
 
    GLboolean teximage_realloc;
+
+   /* True if there is/was a surface bound to this texture object.  It helps
+    * track whether the texture object is surface based or not.
+    */
+   GLboolean surface_based;
 };