Mesa (master): st/mesa: Invalidate drawables on context switch

[Benjamin Franzke]

Module: Mesa
Branch: master
Commit: 0c74091591a8ab2760949715b2fde41074fb9532
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=0c74091591a8ab2760949715b2fde41074fb9532

Author: Benjamin Franzke <benjaminfranzke at googlemail.com>
Date:   Tue Jun 21 13:25:56 2011 +0200

st/mesa: Invalidate drawables on context switch

---

 src/mesa/state_tracker/st_manager.c |   22 +++++++++++++---------
 1 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index a68544d..46be553 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -707,6 +707,15 @@ st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
    return &st->iface;
 }
 
+static struct st_context_iface *
+st_api_get_current(struct st_api *stapi)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct st_context *st = (ctx) ? ctx->st : NULL;
+
+   return (st) ? &st->iface : NULL;
+}
+
 static boolean
 st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
                     struct st_framebuffer_iface *stdrawi,
@@ -742,6 +751,10 @@ st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
       }
 
       if (stdraw && stread) {
+         if (stctxi != st_api_get_current(stapi)) {
+            p_atomic_set(&stdraw->revalidate, TRUE);
+            p_atomic_set(&stread->revalidate, TRUE);
+         }
          st_framebuffer_validate(stdraw, st);
          if (stread != stdraw)
             st_framebuffer_validate(stread, st);
@@ -773,15 +786,6 @@ st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
    return ret;
 }
 
-static struct st_context_iface *
-st_api_get_current(struct st_api *stapi)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   struct st_context *st = (ctx) ? ctx->st : NULL;
-
-   return (st) ? &st->iface : NULL;
-}
-
 static st_proc_t
 st_api_get_proc_address(struct st_api *stapi, const char *procname)
 {