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authorChris Forbes <[email protected]>2013-10-05 21:39:25 +1300
committerChris Forbes <[email protected]>2013-10-06 11:05:10 +1300
commit4697955c5bb9882ac9be4b70ac2a7d9f03c374d1 (patch)
tree819d6224006480a5adc065c2f1f5ca52ef9cfd30 /src/mesa
parent64b1a1d4594bd68b48f628d722123498621203af (diff)
i965/wm: Program correct conservative depth modes
Signed-off-by: Chris Forbes <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/gen7_wm_state.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_state.c b/src/mesa/drivers/dri/i965/gen7_wm_state.c
index 80073cdf0e4..7ddeb6ec0a2 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_state.c
@@ -60,8 +60,20 @@ upload_wm_state(struct brw_context *brw)
if (fp->program.Base.InputsRead & VARYING_BIT_POS)
dw1 |= GEN7_WM_USES_SOURCE_DEPTH | GEN7_WM_USES_SOURCE_W;
if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
- writes_depth = true;
- dw1 |= GEN7_WM_PSCDEPTH_ON;
+ writes_depth = fp->program.FragDepthLayout != FRAG_DEPTH_LAYOUT_UNCHANGED;
+
+ switch (fp->program.FragDepthLayout) {
+ case FRAG_DEPTH_LAYOUT_NONE:
+ case FRAG_DEPTH_LAYOUT_ANY:
+ dw1 |= GEN7_WM_PSCDEPTH_ON;
+ break;
+ case FRAG_DEPTH_LAYOUT_GREATER:
+ dw1 |= GEN7_WM_PSCDEPTH_ON_GE;
+ break;
+ case FRAG_DEPTH_LAYOUT_LESS:
+ dw1 |= GEN7_WM_PSCDEPTH_ON_LE;
+ break;
+ }
}
/* CACHE_NEW_WM_PROG */
dw1 |= brw->wm.prog_data->barycentric_interp_modes <<