diff options
Diffstat (limited to 'src/gallium/auxiliary/nir')
| -rw-r--r-- | src/gallium/auxiliary/nir/tgsi_to_nir.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c index 0e871642b88..9d988b06445 100644 --- a/src/gallium/auxiliary/nir/tgsi_to_nir.c +++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c @@ -153,6 +153,8 @@ ttn_emit_declaration(struct ttn_compile *c) } else if (file == TGSI_FILE_ADDRESS) { c->addr_reg = nir_local_reg_create(b->impl); c->addr_reg->num_components = 4; + } else if (file == TGSI_FILE_SYSTEM_VALUE) { + /* Nothing to record for system values. */ } else if (file == TGSI_FILE_SAMPLER) { /* Nothing to record for samplers. */ } else { @@ -324,6 +326,38 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned file, unsigned index, assert(!indirect); break; + case TGSI_FILE_SYSTEM_VALUE: { + nir_intrinsic_instr *load; + nir_intrinsic_op op; + unsigned ncomp = 1; + + switch (c->scan->system_value_semantic_name[index]) { + case TGSI_SEMANTIC_VERTEXID_NOBASE: + op = nir_intrinsic_load_vertex_id_zero_base; + break; + case TGSI_SEMANTIC_VERTEXID: + op = nir_intrinsic_load_vertex_id; + break; + case TGSI_SEMANTIC_BASEVERTEX: + op = nir_intrinsic_load_base_vertex; + break; + case TGSI_SEMANTIC_INSTANCEID: + op = nir_intrinsic_load_instance_id; + break; + default: + unreachable("bad system value"); + } + + load = nir_intrinsic_instr_create(b->shader, op); + load->num_components = ncomp; + + nir_ssa_dest_init(&load->instr, &load->dest, ncomp, NULL); + nir_instr_insert_after_cf_list(b->cf_node_list, &load->instr); + + src = nir_src_for_ssa(&load->dest.ssa); + break; + } + case TGSI_FILE_INPUT: case TGSI_FILE_CONSTANT: { nir_intrinsic_instr *load; |