4 files changed, 17 insertions, 2 deletions
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 0cfdc305583..c7df0f63327 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -169,6 +169,8 @@ void
 dri_destroy_buffer(__DRIdrawable * dPriv)
 {
    struct dri_drawable *drawable = dri_drawable(dPriv);
+   struct dri_screen *screen = drawable->screen;
+   struct st_api *stapi = screen->st_api;
    int i;
 
    pipe_surface_reference(&drawable->drisw_surface, NULL);
@@ -180,7 +182,9 @@ dri_destroy_buffer(__DRIdrawable * dPriv)
 
    swap_fences_unref(drawable);
 
-   drawable->base.ID = 0;
+   /* Notify the st manager that this drawable is no longer valid */
+   stapi->destroy_drawable(stapi, &drawable->base);
+
    FREE(drawable);
 }
 
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c
index 881dd443232..e4b1e9dd4de 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
@@ -595,6 +595,11 @@ xmesa_free_buffer(XMesaBuffer buffer)
           */
          b->ws.drawable = 0;
 
+         /* Notify the st manager that the associated framebuffer interface
+          * object is no longer valid.
+          */
+         stapi->destroy_drawable(stapi, buffer->stfb);
+
          /* XXX we should move the buffer to a delete-pending list and destroy
           * the buffer until it is no longer current.
           */
diff --git a/src/gallium/state_trackers/glx/xlib/xm_st.c b/src/gallium/state_trackers/glx/xlib/xm_st.c
index 9e30efad60d..6a0f4aad7d8 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_st.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_st.c
@@ -273,6 +273,7 @@ xmesa_st_framebuffer_flush_front(struct st_context_iface *stctx,
    return ret;
 }
 
+static uint32_t xmesa_stfbi_ID = 0;
 
 struct st_framebuffer_iface *
 xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
@@ -302,6 +303,7 @@ xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
    stfbi->visual = &xstfb->stvis;
    stfbi->flush_front = xmesa_st_framebuffer_flush_front;
    stfbi->validate = xmesa_st_framebuffer_validate;
+   stfbi->ID = p_atomic_inc_return(&xmesa_stfbi_ID);
    p_atomic_set(&stfbi->stamp, 1);
    stfbi->st_manager_private = (void *) xstfb;
 
diff --git a/src/gallium/state_trackers/wgl/stw_st.c b/src/gallium/state_trackers/wgl/stw_st.c
index c2844b04c4e..85a8b1743ea 100644
--- a/src/gallium/state_trackers/wgl/stw_st.c
+++ b/src/gallium/state_trackers/wgl/stw_st.c
@@ -256,7 +256,11 @@ stw_st_destroy_framebuffer_locked(struct st_framebuffer_iface *stfb)
    for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
       pipe_resource_reference(&stwfb->textures[i], NULL);
 
-   stwfb->base.ID = 0;
+   /* Notify the st manager that the framebuffer interface is no
+    * longer valid.
+    */
+   stw_dev->stapi->destroy_drawable(stw_dev->stapi, &stwfb->base);
+
    FREE(stwfb);
 }