Merge branch '7.8' into master

[mesa.git] / src / mesa / state_tracker / st_cb_flush.c

diff --git a/src/mesa/state_tracker/st_cb_flush.c b/src/mesa/state_tracker/st_cb_flush.c
index f7de4e7a4d620beaa5655abedf5ca7a7ff8e4136..30e7afcf2a317e3ff32043eaca82560cb4d7b38e 100644 (file)
--- a/src/mesa/state_tracker/st_cb_flush.c
+++ b/src/mesa/state_tracker/st_cb_flush.c
@@ -40,6 +40,7 @@
 #include "st_cb_clear.h"
 #include "st_cb_fbo.h"
 #include "st_public.h"
+#include "st_manager.h"
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"
@@ -47,10 +48,19 @@
 #include "util/u_blit.h"
 
 
+/** Check if we have a front color buffer and if it's been drawn to. */
 static INLINE GLboolean
 is_front_buffer_dirty(struct st_context *st)
 {
-   return st->frontbuffer_status == FRONT_STATUS_DIRTY;
+   if (st->frontbuffer_status == FRONT_STATUS_DIRTY) {
+      return GL_TRUE;
+   }
+   else {
+      GLframebuffer *fb = st->ctx->DrawBuffer;
+      struct st_renderbuffer *strb
+         = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+      return strb && strb->defined;
+   }
 }
 
 
@@ -65,12 +75,9 @@ display_front_buffer(struct st_context *st)
       = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
 
    if (strb) {
-      struct pipe_surface *front_surf = strb->surface;
-      
       /* Hook for copying "fake" frontbuffer if necessary:
        */
-      st->pipe->screen->flush_frontbuffer( st->pipe->screen, front_surf,
-                                           st->pipe->priv );
+      st_manager_flush_frontbuffer(st);
 
       /*
         st->frontbuffer_status = FRONT_STATUS_UNDEFINED;