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i965/wm: Program correct conservative depth modes

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Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Chris Forbes 2013-10-05 21:39:25 +13:00
parent 64b1a1d459
commit 4697955c5b
1 changed files with 14 additions and 2 deletions
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16
src/mesa/drivers/dri/i965/gen7_wm_state.c
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@ -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 <<