mesa: reduce calls to _mesa_test_framebuffer_completeness()

when updating/validating framebuffer state.  The _Status field is set
to zero when we need to recompute _Status.  Otherwise, it's up to date.

diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index 948b3b7b5a23623e4a0e0533df1a0deef5af9b91..139a842925fba34c54172021d1343ff0bc422733 100644 (file)
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -802,7 +802,7 @@ update_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
       /* This is a user-created framebuffer.
        * Completeness only matters for user-created framebuffers.
        */
-      if (fb->_Status != GL_FRAMEBUFFER_COMPLETE) {
+      if (fb->_Status == 0) {
          _mesa_test_framebuffer_completeness(ctx, fb);
       }
    }