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i965/nir: Support gl_WorkGroupID variable

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Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
This commit is contained in:
Jordan Justen 2015-03-13 11:39:53 -07:00
parent 4e454cb7c6
commit c5743a5d7f
1 changed files with 9 additions and 1 deletions
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10
src/mesa/drivers/dri/i965/brw_fs_nir.cpp
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@ -344,6 +344,13 @@ emit_system_values_block(nir_block *block, void *void_visitor)
*reg = *v->emit_cs_local_invocation_id_setup();
break;
case nir_intrinsic_load_work_group_id:
assert(v->stage == MESA_SHADER_COMPUTE);
reg = &v->nir_system_values[SYSTEM_VALUE_WORK_GROUP_ID];
if (reg->file == BAD_FILE)
*reg = *v->emit_cs_work_group_id_setup();
break;
default:
break;
}
@ -1716,7 +1723,8 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
((struct brw_cs_prog_data *) prog_data)->uses_barrier = true;
break;
case nir_intrinsic_load_local_invocation_id: {
case nir_intrinsic_load_local_invocation_id:
case nir_intrinsic_load_work_group_id: {
gl_system_value sv = nir_system_value_from_intrinsic(instr->intrinsic);
fs_reg val = nir_system_values[sv];
assert(val.file != BAD_FILE);