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-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_interp.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_interp.c b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
index df262fa4716..ceac86abe1d 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_interp.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_interp.c
@@ -746,7 +746,12 @@ lp_build_interp_soa_init(struct lp_build_interp_soa_context *bld,
pos_init(bld, x0, y0);
- if (coeff_type.length > 4) {
+ /*
+ * Simple method (single step interpolation) may be slower if vector length
+ * is just 4, but the results are different (generally less accurate) with
+ * the other method, so always use more accurate version.
+ */
+ if (1) {
bld->simple_interp = TRUE;
{
/* XXX this should use a global static table */