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gallivm/nir: add support for tess system values

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hooks up the tessellation specific system values in the NIR paths

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3841>
This commit is contained in:
Dave Airlie
2020-02-17 16:21:21 +10:00
parent c632d806cb
commit 7898e37fb4
2 changed files with 24 additions and 1 deletions
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src/gallium/auxiliary/gallivm/lp_bld_nir.c
+4
View File
@@ -1316,6 +1316,10 @@ static void visit_intrinsic(struct lp_build_nir_context *bld_base,
case nir_intrinsic_load_draw_id:
case nir_intrinsic_load_local_group_size:
case nir_intrinsic_load_work_dim:
case nir_intrinsic_load_tess_coord:
case nir_intrinsic_load_tess_level_outer:
case nir_intrinsic_load_tess_level_inner:
case nir_intrinsic_load_patch_vertices_in:
bld_base->sysval_intrin(bld_base, instr, result);
break;
case nir_intrinsic_discard_if:
src/gallium/auxiliary/gallivm/lp_bld_nir_soa.c
+20 -1
View File
@@ -1193,7 +1193,10 @@ static void emit_sysval_intrin(struct lp_build_nir_context *bld_base,
result[i] = lp_build_broadcast_scalar(&bld_base->uint_bld, LLVMBuildExtractElement(gallivm->builder, bld->system_values.grid_size, lp_build_const_int32(gallivm, i), ""));
break;
case nir_intrinsic_load_invocation_id:
result[0] = lp_build_broadcast_scalar(&bld_base->uint_bld, bld->system_values.invocation_id);
if (bld_base->shader->info.stage == MESA_SHADER_TESS_CTRL)
result[0] = bld->system_values.invocation_id;
else
result[0] = lp_build_broadcast_scalar(&bld_base->uint_bld, bld->system_values.invocation_id);
break;
case nir_intrinsic_load_front_face:
result[0] = lp_build_broadcast_scalar(&bld_base->uint_bld, bld->system_values.front_facing);
@@ -1210,6 +1213,22 @@ static void emit_sysval_intrin(struct lp_build_nir_context *bld_base,
case nir_intrinsic_load_work_dim:
result[0] = lp_build_broadcast_scalar(&bld_base->uint_bld, bld->system_values.work_dim);
break;
case nir_intrinsic_load_tess_coord:
for (unsigned i = 0; i < 3; i++) {
result[i] = LLVMBuildExtractValue(gallivm->builder, bld->system_values.tess_coord, i, "");
}
break;
case nir_intrinsic_load_tess_level_outer:
for (unsigned i = 0; i < 4; i++)
result[i] = lp_build_broadcast_scalar(&bld_base->base, LLVMBuildExtractValue(gallivm->builder, bld->system_values.tess_outer, i, ""));
break;
case nir_intrinsic_load_tess_level_inner:
for (unsigned i = 0; i < 2; i++)
result[i] = lp_build_broadcast_scalar(&bld_base->base, LLVMBuildExtractValue(gallivm->builder, bld->system_values.tess_inner, i, ""));
break;
case nir_intrinsic_load_patch_vertices_in:
result[0] = bld->system_values.vertices_in;
break;
}
}