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| author | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-25 10:35:03 -0700 |
|---|---|---|
| committer | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-28 18:32:48 -0700 |
| commit | 6a2479d61804e6cfc7389e1185139d0c8be758e3 (patch) | |
| tree | b1a05735b56e45117860e17c3af15db770abef65 /src/compiler/nir/nir_builder.h | |
| parent | 77e2ac1da731f10d823ed9f477cc6898039dcec4 (diff) | |
| download | external_mesa3d-6a2479d61804e6cfc7389e1185139d0c8be758e3.zip external_mesa3d-6a2479d61804e6cfc7389e1185139d0c8be758e3.tar.gz external_mesa3d-6a2479d61804e6cfc7389e1185139d0c8be758e3.tar.bz2 | |
nir/builder: Add a helper for storing to variable derefs
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 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h index 4df79f5..e9c409b 100644 --- a/src/compiler/nir/nir_builder.h +++ b/src/compiler/nir/nir_builder.h @@ -399,6 +399,22 @@ nir_store_var(nir_builder *build, nir_variable *var, nir_ssa_def *value, } static inline void +nir_store_deref_var(nir_builder *build, nir_deref_var *deref, + nir_ssa_def *value, unsigned writemask) +{ + const unsigned num_components = + glsl_get_vector_elements(nir_deref_tail(&deref->deref)->type); + + nir_intrinsic_instr *store = + nir_intrinsic_instr_create(build->shader, nir_intrinsic_store_var); + store->num_components = num_components; + store->const_index[0] = writemask & ((1 << num_components) - 1); + store->variables[0] = nir_deref_as_var(nir_copy_deref(store, &deref->deref)); + store->src[0] = nir_src_for_ssa(value); + nir_builder_instr_insert(build, &store->instr); +} + +static inline void nir_copy_deref_var(nir_builder *build, nir_deref_var *dest, nir_deref_var *src) { assert(nir_deref_tail(&dest->deref)->type == |