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| author | Kenneth Graunke <[email protected]> | 2016-05-17 23:16:14 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2016-05-20 14:29:04 -0700 |
| commit | 287f099db170132518b75142de8580fd252fde45 (patch) | |
| tree | b8bb08a56b1587cd0c815087ce7b05a7adec8531 | |
| parent | 7fe9a19302b8953cb267f3a1876543ad6aef8177 (diff) | |
nir: Fix fddy swizzles in nir_lower_wpos_ytransform().
The original value might have been swizzled. That's taken care of in
the fmul source - we don't want to reswizzle it again.
Fixes validation failures in glsl-derivs-varyings on a branch of mine
which uses this pass in i965.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
| -rw-r--r-- | src/compiler/nir/nir_lower_wpos_ytransform.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_lower_wpos_ytransform.c b/src/compiler/nir/nir_lower_wpos_ytransform.c index 5546788f9fd..41f85544246 100644 --- a/src/compiler/nir/nir_lower_wpos_ytransform.c +++ b/src/compiler/nir/nir_lower_wpos_ytransform.c @@ -252,6 +252,9 @@ lower_fddy(lower_wpos_ytransform_state *state, nir_alu_instr *fddy) nir_instr_rewrite_src(&fddy->instr, &fddy->src[0].src, nir_src_for_ssa(pt)); + + for (unsigned i = 0; i < 4; i++) + fddy->src[0].swizzle[i] = MIN2(i, pt->num_components - 1); } static bool |