diff options
| author | Dave Airlie <[email protected]> | 2019-12-03 13:42:03 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2019-12-12 09:16:33 +1000 |
| commit | 63b3d38a505d18e3aa1bea3ed4e8b994273b557e (patch) | |
| tree | c1c79bc3f93f42f5d3edf43e53b6d473a4fa4676 | |
| parent | bf2904010341e31d0d66954fcbd88da4da4e1cdd (diff) | |
gallivm: fix perspective enable if usage_mask doesn't have 0 bit set
The current code looks like a typo, and fails if the usage_mask
is for a y/z enabled input.
Fixes piglit ext_transform_feedback-immediate-reuse-index-buffer
with llvmpipe/nir
Reviewed-by: Roland Scheidegger <[email protected]>
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_point.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_point.c b/src/gallium/drivers/llvmpipe/lp_setup_point.c index 073ca5b1c88..092febdba92 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_point.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_point.c @@ -224,10 +224,10 @@ setup_point_coefficients( struct lp_setup_context *setup, boolean perspective = !!(interp == LP_INTERP_PERSPECTIVE); unsigned i; - if (perspective & usage_mask) { + if (perspective && usage_mask) { fragcoord_usage_mask |= TGSI_WRITEMASK_W; } - + switch (interp) { case LP_INTERP_POSITION: /* |