---
src/compiler/nir/nir_builder.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
index b245f48..4df79f5 100644
--- a/src/compiler/nir/nir_builder.h
+++ b/src/compiler/nir/nir_builder.h
@@ -305,6 +305,23 @@ nir_swizzle(nir_builder *build, nir_ssa_def *src, unsigned
swiz[4],
nir_imov_alu(build, alu_src, num_components);
}
+/* Selects the right fdot given the number of components in each source. */
+static inline nir_ssa_def *
+nir_fdot(nir_builder *build, nir_ssa_def *src0, nir_ssa_def *src1)
+{
+ assert(src0->num_components == src1->num_components);
+ switch (src0->num_components) {
+ case 1: return nir_fmul(build, src0, src1);
+ case 2: return nir_fdot2(build, src0, src1);
+ case 3: return nir_fdot3(build, src0, src1);
+ case 4: return nir_fdot4(build, src0, src1);
+ default:
+ unreachable("bad component size");
+ }
+
+ return NULL;
+}
+
static inline nir_ssa_def *
nir_channel(nir_builder *b, nir_ssa_def *def, unsigned c)
{
--
2.5.0.400.gff86faf
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