diff options
| -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 2ea9af1e63d..1da30ab8fc1 100644 --- a/src/compiler/nir/nir_builder.h +++ b/src/compiler/nir/nir_builder.h @@ -411,6 +411,22 @@ nir_load_var(nir_builder *build, nir_variable *var) return &load->dest.ssa; } +static inline nir_ssa_def * +nir_load_deref_var(nir_builder *build, nir_deref_var *deref) +{ + const struct glsl_type *type = nir_deref_tail(&deref->deref)->type; + const unsigned num_components = glsl_get_vector_elements(type); + + nir_intrinsic_instr *load = + nir_intrinsic_instr_create(build->shader, nir_intrinsic_load_var); + load->num_components = num_components; + load->variables[0] = nir_deref_var_clone(deref, load); + nir_ssa_dest_init(&load->instr, &load->dest, num_components, + glsl_get_bit_size(type), NULL); + nir_builder_instr_insert(build, &load->instr); + return &load->dest.ssa; +} + static inline void nir_store_var(nir_builder *build, nir_variable *var, nir_ssa_def *value, unsigned writemask) |