dri: Remove driRenderbuffer::backBuffer field

The tdfx driver was the only user.

Acked-by: Kristian Høgsberg <[email protected]>
Acked-by: Marek Olšák <[email protected]>
Acked-by: Alan Coopersmith <[email protected]>
Acked-by: Jakob Bornecrantz <[email protected]>
Acked-by: Dave Airlie <[email protected]>
Build-Tested-by: Jakob Bornecrantz <[email protected]>
Tested-by: Eugeni Dodonov <[email protected]>

1 files changed, 0 insertions, 8 deletions

diff --git a/src/mesa/drivers/dri/common/drirenderbuffer.h b/src/mesa/drivers/dri/common/drirenderbuffer.h
index 0cae7309df7..b9065b2dd05 100644
--- a/src/mesa/drivers/dri/common/drirenderbuffer.h
+++ b/src/mesa/drivers/dri/common/drirenderbuffer.h
@@ -52,14 +52,6 @@ typedef struct {
     * r200Renderbuffer class, derived from this class...  not a huge deal.
     */
    GLboolean depthHasSurface;
-
-   /**
-    * A handy flag to know if this is the back color buffer.
-    * 
-    * \note
-    * This is currently only used by tdfx.
-    */
-   GLboolean backBuffer;
 } driRenderbuffer;