From e76e8caecd30799500357a45468329f033a93932 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Alejandro=20Pi=C3=B1eiro?= Date: Tue, 16 Jun 2015 21:36:49 +0200 Subject: [PATCH] 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 --- src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 27 +++++++++++++++++----- 1 file 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 */ -- 2.30.2