X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom_stipple.c;h=86a4247f3269d4327b8c52c3f015b4912ba999f9;hb=d94bec5c49d926069f97a4b12fb2532611a9080c;hp=b059ca97776a63e8d27505387278ad27f45a1261;hpb=53bc28920a8524d7bc795c3ce6398dc34a8e2152;p=mesa.git

diff --git a/src/mesa/state_tracker/st_atom_stipple.c b/src/mesa/state_tracker/st_atom_stipple.c
index b059ca97776..86a4247f326 100644
--- a/src/mesa/state_tracker/st_atom_stipple.c
+++ b/src/mesa/state_tracker/st_atom_stipple.c
@@ -60,9 +60,9 @@ invert_stipple(GLuint dest[32], const GLuint src[32], GLuint winHeight)
 }
 
 
-
-static void 
-update_stipple( struct st_context *st )
+/** Update the stipple when the pattern or window height changes */
+void
+st_update_polygon_stipple( struct st_context *st )
 {
    const struct gl_context *ctx = st->ctx;
    const GLuint sz = sizeof(st->state.poly_stipple);
@@ -74,20 +74,13 @@ update_stipple( struct st_context *st )
 
       memcpy(st->state.poly_stipple, ctx->PolygonStipple, sz);
 
-      invert_stipple(newStipple.stipple, ctx->PolygonStipple,
-                     ctx->DrawBuffer->Height);
+      if (!ctx->DrawBuffer->FlipY) {
+         memcpy(newStipple.stipple, ctx->PolygonStipple, sizeof(newStipple.stipple));
+      } else {
+         invert_stipple(newStipple.stipple, ctx->PolygonStipple,
+                        ctx->DrawBuffer->Height);
+      }
 
       st->pipe->set_polygon_stipple(st->pipe, &newStipple);
    }
 }
-
-
-/** Update the stipple when the pattern or window height changes */
-const struct st_tracked_state st_update_polygon_stipple = {
-   {							/* dirty */
-      (_NEW_POLYGONSTIPPLE |
-       _NEW_BUFFERS),					/* mesa */
-      0,						/* st */
-   },
-   update_stipple					/* update */
-};