Mesa (master): st/dri: remove unused dummyContext value

[Keith Whitwell]

Module: Mesa
Branch: master
Commit: 9616e4ad1c055d8ff9ab671914f97e402d0aa4b0
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9616e4ad1c055d8ff9ab671914f97e402d0aa4b0

Author: Keith Whitwell <keithw at vmware.com>
Date:   Fri Aug 14 13:41:57 2009 +0100

st/dri: remove unused dummyContext value

---

 src/gallium/state_trackers/dri/dri_context.c |    8 --------
 src/gallium/state_trackers/dri/dri_screen.h  |    6 ------
 2 files changed, 0 insertions(+), 14 deletions(-)

diff --git a/src/gallium/state_trackers/dri/dri_context.c b/src/gallium/state_trackers/dri/dri_context.c
index 6c61719..830e511 100644
--- a/src/gallium/state_trackers/dri/dri_context.c
+++ b/src/gallium/state_trackers/dri/dri_context.c
@@ -109,9 +109,6 @@ dri_destroy_context(__DRIcontextPrivate * cPriv)
     */
    st_flush(ctx->st, 0, NULL);
 
-   if (screen->dummyContext == ctx)
-      screen->dummyContext = NULL;
-
    /* Also frees ctx->pipe?
     */
    st_destroy_context(ctx->st);
@@ -153,11 +150,6 @@ dri_make_current(__DRIcontextPrivate * cPriv,
 
       ++ctx->bind_count;
 
-      /* This is for situations in which we need a rendering context but
-       * there may not be any currently bound.
-       */
-      screen->dummyContext = ctx;
-
       if (ctx->dPriv != driDrawPriv) {
 	 ctx->dPriv = driDrawPriv;
 	 ctx->d_stamp = driDrawPriv->lastStamp - 1;
diff --git a/src/gallium/state_trackers/dri/dri_screen.h b/src/gallium/state_trackers/dri/dri_screen.h
index f3335bb..f6c56d0 100644
--- a/src/gallium/state_trackers/dri/dri_screen.h
+++ b/src/gallium/state_trackers/dri/dri_screen.h
@@ -49,12 +49,6 @@ struct dri_screen
     */
    driOptionCache optionCache;
 
-   /**
-    * Temporary(?) context to use for SwapBuffers or other situations in
-    * which we need a rendering context, but none is currently bound.
-    */
-   struct dri_context *dummyContext;
-
    /* drm */
    int fd;
    drmLock *drmLock;