diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_sampler_state.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sampler_state.c b/src/mesa/drivers/dri/i965/brw_sampler_state.c index 3bd22c7..7bd21f7 100644 --- a/src/mesa/drivers/dri/i965/brw_sampler_state.c +++ b/src/mesa/drivers/dri/i965/brw_sampler_state.c @@ -436,14 +436,17 @@ brw_update_sampler_state(struct brw_context *brw, } } - /* Set address rounding bits if not using nearest filtering. */ + /* Set address rounding bits. The conditions are empirically + * derived in order to pass test cases. + */ + bool round_nearest = brw->gen >= 6 && target != GL_TEXTURE_3D; unsigned address_rounding = 0; - if (min_filter != BRW_MAPFILTER_NEAREST) { + if (min_filter != BRW_MAPFILTER_NEAREST || round_nearest) { address_rounding |= BRW_ADDRESS_ROUNDING_ENABLE_U_MIN | BRW_ADDRESS_ROUNDING_ENABLE_V_MIN | BRW_ADDRESS_ROUNDING_ENABLE_R_MIN; } - if (mag_filter != BRW_MAPFILTER_NEAREST) { + if (mag_filter != BRW_MAPFILTER_NEAREST || round_nearest) { address_rounding |= BRW_ADDRESS_ROUNDING_ENABLE_U_MAG | BRW_ADDRESS_ROUNDING_ENABLE_V_MAG | BRW_ADDRESS_ROUNDING_ENABLE_R_MAG; |