diff options
Diffstat (limited to 'src/compiler/nir')
| -rw-r--r-- | src/compiler/nir/nir_builder.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h index b245f48c96d..4df79f58a7e 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) { |