diff options
author | Alejandro PiƱeiro <[email protected]> | 2015-06-16 21:36:49 +0200 |
---|---|---|
committer | Jason Ekstrand <[email protected]> | 2015-08-03 09:40:47 -0700 |
commit | e76e8caecd30799500357a45468329f033a93932 (patch) | |
tree | 5c4d69776d6a1d6bcd399d4bec5d62a773769a36 /src/mesa | |
parent | 662c4c99065381b8e265310d176cfdef6698ca57 (diff) |
i965/nir/vec4: Implement intrinsics that load system values
These include:
nir_intrinsic_load_vertex_id_zero_base
nir_intrinsic_load_base_vertex
nir_intrinsic_load_instance_id
The source register is fetched from the nir_system_values map initialized
during nir_setup_system_values stage.
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index 696122d725e..d9af945e2e4 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -494,17 +494,32 @@ vec4_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr) case nir_intrinsic_load_vertex_id: unreachable("should be lowered by lower_vertex_id()"); - case nir_intrinsic_load_vertex_id_zero_base: - /* @TODO: Not yet implemented */ + case nir_intrinsic_load_vertex_id_zero_base: { + src_reg vertex_id = + src_reg(nir_system_values[SYSTEM_VALUE_VERTEX_ID_ZERO_BASE]); + assert(vertex_id.file != BAD_FILE); + dest = get_nir_dest(instr->dest, vertex_id.type); + emit(MOV(dest, vertex_id)); break; + } - case nir_intrinsic_load_base_vertex: - /* @TODO: Not yet implemented */ + case nir_intrinsic_load_base_vertex: { + src_reg base_vertex = + src_reg(nir_system_values[SYSTEM_VALUE_BASE_VERTEX]); + assert(base_vertex.file != BAD_FILE); + dest = get_nir_dest(instr->dest, base_vertex.type); + emit(MOV(dest, base_vertex)); break; + } - case nir_intrinsic_load_instance_id: - /* @TODO: Not yet implemented */ + case nir_intrinsic_load_instance_id: { + src_reg instance_id = + src_reg(nir_system_values[SYSTEM_VALUE_INSTANCE_ID]); + assert(instance_id.file != BAD_FILE); + dest = get_nir_dest(instr->dest, instance_id.type); + emit(MOV(dest, instance_id)); break; + } case nir_intrinsic_load_uniform_indirect: /* fallthrough */ |