diff options
| author | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-25 10:34:17 -0700 |
|---|---|---|
| committer | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-28 18:32:48 -0700 |
| commit | 77e2ac1da731f10d823ed9f477cc6898039dcec4 (patch) | |
| tree | dced271db57daed63d8dd7970cbf0617b7886c7a /src/compiler/nir/nir_builder.h | |
| parent | da422663a6cacefcfae6be39154ab7598072cafa (diff) | |
| download | external_mesa3d-77e2ac1da731f10d823ed9f477cc6898039dcec4.zip external_mesa3d-77e2ac1da731f10d823ed9f477cc6898039dcec4.tar.gz external_mesa3d-77e2ac1da731f10d823ed9f477cc6898039dcec4.tar.bz2 | |
nir/builder: Add a helper for building fdot instructions
Reviewed-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'src/compiler/nir/nir_builder.h')
| -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 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) { |