diff options
| -rw-r--r-- | src/gallium/state_trackers/nine/nine_pipe.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/nine/nine_pipe.c b/src/gallium/state_trackers/nine/nine_pipe.c index a84a17f551f..b69ddb67113 100644 --- a/src/gallium/state_trackers/nine/nine_pipe.c +++ b/src/gallium/state_trackers/nine/nine_pipe.c @@ -36,8 +36,11 @@ nine_convert_dsa_state(struct pipe_depth_stencil_alpha_state *dsa_state, if (rs[D3DRS_ZENABLE]) { dsa.depth.enabled = 1; - dsa.depth.writemask = !!rs[D3DRS_ZWRITEENABLE]; dsa.depth.func = d3dcmpfunc_to_pipe_func(rs[D3DRS_ZFUNC]); + /* Disable depth write if no change can occur */ + dsa.depth.writemask = !!rs[D3DRS_ZWRITEENABLE] && + dsa.depth.func != PIPE_FUNC_EQUAL && + dsa.depth.func != PIPE_FUNC_NEVER; } if (rs[D3DRS_STENCILENABLE]) { |