X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom_clip.c;h=0db3a5d543199af798c703825d652778e3365576;hb=5530cb1296cef759ea2f94e581da0a4d853a9f5f;hp=f82c1332afc85a3633d91ba53f13898a62fee1fd;hpb=c03477050a6f51e601f75cb3c061a3e16a5b7171;p=mesa.git

diff --git a/src/mesa/state_tracker/st_atom_clip.c b/src/mesa/state_tracker/st_atom_clip.c
index f82c1332afc..0db3a5d5431 100644
--- a/src/mesa/state_tracker/st_atom_clip.c
+++ b/src/mesa/state_tracker/st_atom_clip.c
@@ -41,7 +41,7 @@
 
 /* Second state atom for user clip planes:
  */
-static void update_clip( struct st_context *st )
+void st_update_clip( struct st_context *st )
 {
    struct pipe_clip_state clip;
    const struct gl_context *ctx = st->ctx;
@@ -51,24 +51,18 @@ static void update_clip( struct st_context *st )
 
    /* if we have a vertex shader that writes clip vertex we need to pass
       the pre-projection transformed coordinates into the driver. */
-   if (st->vp) {
-      if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX])
-         use_eye = TRUE;
-   }
+   if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX])
+      use_eye = TRUE;
 
+   /* _ClipUserPlane = _NEW_TRANSFORM | _NEW_PROJECTION
+    * EyeUserPlane = _NEW_TRANSFORM
+    */
    memcpy(clip.ucp,
           use_eye ? ctx->Transform.EyeUserPlane
                   : ctx->Transform._ClipUserPlane, sizeof(clip.ucp));
-   st->state.clip = clip;
-   cso_set_clip(st->cso_context, &clip);
-}
-
 
-const struct st_tracked_state st_update_clip = {
-   "st_update_clip",					/* name */
-   {							/* dirty */
-      _NEW_TRANSFORM,                                   /* mesa */
-      ST_NEW_VERTEX_PROGRAM,				/* st */
-   },
-   update_clip						/* update */
-};
+   if (memcmp(&st->state.clip, &clip, sizeof(clip)) != 0) {
+      st->state.clip = clip;
+      st->pipe->set_clip_state(st->pipe, &clip);
+   }
+}