diff options
| -rw-r--r-- | src/mesa/state_tracker/st_atom.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_atom.c b/src/mesa/state_tracker/st_atom.c index 40e4142631b..18063adc79c 100644 --- a/src/mesa/state_tracker/st_atom.c +++ b/src/mesa/state_tracker/st_atom.c @@ -148,7 +148,12 @@ void st_validate_state( struct st_context *st ) struct st_state_flags *state = &st->dirty; GLuint i; - st_flush_bitmap_cache(st); + /* The bitmap cache is immune to pixel unpack changes. + * Note that GLUT makes several calls to glPixelStore for each + * bitmap char it draws so this is an important check. + */ + if (state->mesa & ~_NEW_PACKUNPACK) + st_flush_bitmap_cache(st); check_program_state( st ); |