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// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/lang/wgsl/resolver/resolver.h"
#include "gmock/gmock.h"
#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/wgsl/resolver/resolver_helper_test.h"
#include "src/tint/lang/wgsl/sem/struct.h"
using namespace tint::core::number_suffixes; // NOLINT
using namespace tint::core::fluent_types; // NOLINT
namespace tint::resolver {
namespace {
using ResolverHostShareableValidationTest = ResolverTest;
TEST_F(ResolverHostShareableValidationTest, BoolMember) {
auto* s = Structure("S", Vector{Member(Source{{56, 78}}, "x", ty.bool_(Source{{12, 34}}))});
GlobalVar(Source{{90, 12}}, "g", ty.Of(s), core::AddressSpace::kStorage, core::Access::kRead,
Binding(0_a), Group(0_a));
ASSERT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
R"(12:34 error: Type 'bool' cannot be used in address space 'storage' as it is non-host-shareable
56:78 note: while analyzing structure member S.x
90:12 note: while instantiating 'var' g)");
}
TEST_F(ResolverHostShareableValidationTest, BoolVectorMember) {
auto* s =
Structure("S", Vector{Member(Source{{56, 78}}, "x", ty.vec3<bool>(Source{{12, 34}}))});
GlobalVar(Source{{90, 12}}, "g", ty.Of(s), core::AddressSpace::kStorage, core::Access::kRead,
Binding(0_a), Group(0_a));
ASSERT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
R"(12:34 error: Type 'vec3<bool>' cannot be used in address space 'storage' as it is non-host-shareable
56:78 note: while analyzing structure member S.x
90:12 note: while instantiating 'var' g)");
}
TEST_F(ResolverHostShareableValidationTest, Aliases) {
Alias("a1", ty.bool_());
auto* s = Structure("S", Vector{Member(Source{{56, 78}}, "x", ty(Source{{12, 34}}, "a1"))});
auto* a2 = Alias("a2", ty.Of(s));
GlobalVar(Source{{90, 12}}, "g", ty.Of(a2), core::AddressSpace::kStorage, core::Access::kRead,
Binding(0_a), Group(0_a));
ASSERT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
R"(12:34 error: Type 'bool' cannot be used in address space 'storage' as it is non-host-shareable
56:78 note: while analyzing structure member S.x
90:12 note: while instantiating 'var' g)");
}
TEST_F(ResolverHostShareableValidationTest, NestedStructures) {
auto* i1 = Structure("I1", Vector{Member(Source{{1, 2}}, "x", ty.bool_())});
auto* i2 = Structure("I2", Vector{Member(Source{{3, 4}}, "y", ty.Of(i1))});
auto* i3 = Structure("I3", Vector{Member(Source{{5, 6}}, "z", ty.Of(i2))});
auto* s = Structure("S", Vector{Member(Source{{7, 8}}, "m", ty.Of(i3))});
GlobalVar(Source{{9, 10}}, "g", ty.Of(s), core::AddressSpace::kStorage, core::Access::kRead,
Binding(0_a), Group(0_a));
ASSERT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
R"(error: Type 'bool' cannot be used in address space 'storage' as it is non-host-shareable
1:2 note: while analyzing structure member I1.x
3:4 note: while analyzing structure member I2.y
5:6 note: while analyzing structure member I3.z
7:8 note: while analyzing structure member S.m
9:10 note: while instantiating 'var' g)");
}
TEST_F(ResolverHostShareableValidationTest, NoError) {
Enable(wgsl::Extension::kF16);
auto* i1 = Structure("I1", Vector{
Member(Source{{1, 1}}, "w1", ty.f32()),
Member(Source{{2, 1}}, "x1", ty.f32()),
Member(Source{{3, 1}}, "y1", ty.vec3<f32>()),
Member(Source{{4, 1}}, "z1", ty.array<i32, 4>()),
});
auto* a1 = Alias("a1", ty.Of(i1));
auto* i2 = Structure("I2", Vector{
Member(Source{{5, 1}}, "x2", ty.mat2x2<f32>()),
Member(Source{{6, 1}}, "w2", ty.mat3x4<f32>()),
Member(Source{{7, 1}}, "z2", ty.Of(i1)),
});
auto* a2 = Alias("a2", ty.Of(i2));
auto* i3 = Structure("I3", Vector{
Member(Source{{4, 1}}, "x3", ty.Of(a1)),
Member(Source{{5, 1}}, "y3", ty.Of(i2)),
Member(Source{{6, 1}}, "z3", ty.Of(a2)),
});
auto* s = Structure("S", Vector{Member(Source{{7, 8}}, "m", ty.Of(i3))});
GlobalVar(Source{{9, 10}}, "g", ty.Of(s), core::AddressSpace::kStorage, core::Access::kRead,
Binding(0_a), Group(0_a));
ASSERT_TRUE(r()->Resolve()) << r()->error();
}
} // namespace
} // namespace tint::resolver