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dawn-cmake/src/resolver/struct_layout_test.cc
Ben Clayton c6ed25cd3e Prepare tests for switch to AST types 
Register all aliases, and don't share type nodes

Bug: tint:724
Change-Id: I7ac20c8a75f232fa7fe1e8c1a5690f411888f6e4
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49750
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
2021-05-04 19:02:01 +00:00

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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/resolver/resolver.h"
#include "gmock/gmock.h"
#include "src/ast/struct_block_decoration.h"
#include "src/resolver/resolver_test_helper.h"
#include "src/sem/struct.h"
namespace tint {
namespace resolver {
namespace {
using ResolverStructLayoutTest = ResolverTest;
TEST_F(ResolverStructLayoutTest, Scalars) {
auto s = Structure("S", {
Member("a", ty.f32()),
Member("b", ty.u32()),
Member("c", ty.i32()),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 12u);
EXPECT_EQ(sem->SizeNoPadding(), 12u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 3u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
EXPECT_EQ(sem->Members()[1]->Offset(), 4u);
EXPECT_EQ(sem->Members()[1]->Align(), 4u);
EXPECT_EQ(sem->Members()[1]->Size(), 4u);
EXPECT_EQ(sem->Members()[2]->Offset(), 8u);
EXPECT_EQ(sem->Members()[2]->Align(), 4u);
EXPECT_EQ(sem->Members()[2]->Size(), 4u);
}
TEST_F(ResolverStructLayoutTest, Alias) {
auto alias_a = ty.alias("a", ty.f32());
AST().AddConstructedType(alias_a);
auto alias_b = ty.alias("b", ty.f32());
AST().AddConstructedType(alias_b);
auto s = Structure("S", {
Member("a", alias_a),
Member("b", alias_b),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 8u);
EXPECT_EQ(sem->SizeNoPadding(), 8u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 2u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
EXPECT_EQ(sem->Members()[1]->Offset(), 4u);
EXPECT_EQ(sem->Members()[1]->Align(), 4u);
EXPECT_EQ(sem->Members()[1]->Size(), 4u);
}
TEST_F(ResolverStructLayoutTest, ImplicitStrideArrayStaticSize) {
auto s = Structure("S", {
Member("a", ty.array<i32, 3>()),
Member("b", ty.array<f32, 5>()),
Member("c", ty.array<f32, 1>()),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 36u);
EXPECT_EQ(sem->SizeNoPadding(), 36u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 3u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 12u);
EXPECT_EQ(sem->Members()[1]->Offset(), 12u);
EXPECT_EQ(sem->Members()[1]->Align(), 4u);
EXPECT_EQ(sem->Members()[1]->Size(), 20u);
EXPECT_EQ(sem->Members()[2]->Offset(), 32u);
EXPECT_EQ(sem->Members()[2]->Align(), 4u);
EXPECT_EQ(sem->Members()[2]->Size(), 4u);
}
TEST_F(ResolverStructLayoutTest, ExplicitStrideArrayStaticSize) {
auto s = Structure("S", {
Member("a", ty.array<i32, 3>(/*stride*/ 8)),
Member("b", ty.array<f32, 5>(/*stride*/ 16)),
Member("c", ty.array<f32, 1>(/*stride*/ 32)),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 136u);
EXPECT_EQ(sem->SizeNoPadding(), 136u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 3u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 24u);
EXPECT_EQ(sem->Members()[1]->Offset(), 24u);
EXPECT_EQ(sem->Members()[1]->Align(), 4u);
EXPECT_EQ(sem->Members()[1]->Size(), 80u);
EXPECT_EQ(sem->Members()[2]->Offset(), 104u);
EXPECT_EQ(sem->Members()[2]->Align(), 4u);
EXPECT_EQ(sem->Members()[2]->Size(), 32u);
}
TEST_F(ResolverStructLayoutTest, ImplicitStrideArrayRuntimeSized) {
auto s = Structure("S",
{
Member("c", ty.array<f32>()),
},
ast::DecorationList{create<ast::StructBlockDecoration>()});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 4u);
EXPECT_EQ(sem->SizeNoPadding(), 4u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 1u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
}
TEST_F(ResolverStructLayoutTest, ExplicitStrideArrayRuntimeSized) {
auto s = Structure("S",
{
Member("c", ty.array<f32>(/*stride*/ 32)),
},
ast::DecorationList{create<ast::StructBlockDecoration>()});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 32u);
EXPECT_EQ(sem->SizeNoPadding(), 32u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 1u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 32u);
}
TEST_F(ResolverStructLayoutTest, ImplicitStrideArrayOfExplicitStrideArray) {
auto inner = ty.array<i32, 2>(/*stride*/ 16); // size: 32
auto outer = ty.array(inner, 12); // size: 12 * 32
auto s = Structure("S", {
Member("c", outer),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 384u);
EXPECT_EQ(sem->SizeNoPadding(), 384u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 1u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 384u);
}
TEST_F(ResolverStructLayoutTest, ImplicitStrideArrayOfStructure) {
auto inner = Structure("Inner", {
Member("a", ty.vec2<i32>()),
Member("b", ty.vec3<i32>()),
Member("c", ty.vec4<i32>()),
}); // size: 48
auto outer = ty.array(inner, 12); // size: 12 * 48
auto s = Structure("S", {
Member("c", outer),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 576u);
EXPECT_EQ(sem->SizeNoPadding(), 576u);
EXPECT_EQ(sem->Align(), 16u);
ASSERT_EQ(sem->Members().size(), 1u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 16u);
EXPECT_EQ(sem->Members()[0]->Size(), 576u);
}
TEST_F(ResolverStructLayoutTest, Vector) {
auto s = Structure("S", {
Member("a", ty.vec2<i32>()),
Member("b", ty.vec3<i32>()),
Member("c", ty.vec4<i32>()),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 48u);
EXPECT_EQ(sem->SizeNoPadding(), 48u);
EXPECT_EQ(sem->Align(), 16u);
ASSERT_EQ(sem->Members().size(), 3u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u); // vec2
EXPECT_EQ(sem->Members()[0]->Align(), 8u);
EXPECT_EQ(sem->Members()[0]->Size(), 8u);
EXPECT_EQ(sem->Members()[1]->Offset(), 16u); // vec3
EXPECT_EQ(sem->Members()[1]->Align(), 16u);
EXPECT_EQ(sem->Members()[1]->Size(), 12u);
EXPECT_EQ(sem->Members()[2]->Offset(), 32u); // vec4
EXPECT_EQ(sem->Members()[2]->Align(), 16u);
EXPECT_EQ(sem->Members()[2]->Size(), 16u);
}
TEST_F(ResolverStructLayoutTest, Matrix) {
auto s = Structure("S", {
Member("a", ty.mat2x2<i32>()),
Member("b", ty.mat2x3<i32>()),
Member("c", ty.mat2x4<i32>()),
Member("d", ty.mat3x2<i32>()),
Member("e", ty.mat3x3<i32>()),
Member("f", ty.mat3x4<i32>()),
Member("g", ty.mat4x2<i32>()),
Member("h", ty.mat4x3<i32>()),
Member("i", ty.mat4x4<i32>()),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 368u);
EXPECT_EQ(sem->SizeNoPadding(), 368u);
EXPECT_EQ(sem->Align(), 16u);
ASSERT_EQ(sem->Members().size(), 9u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u); // mat2x2
EXPECT_EQ(sem->Members()[0]->Align(), 8u);
EXPECT_EQ(sem->Members()[0]->Size(), 16u);
EXPECT_EQ(sem->Members()[1]->Offset(), 16u); // mat2x3
EXPECT_EQ(sem->Members()[1]->Align(), 16u);
EXPECT_EQ(sem->Members()[1]->Size(), 32u);
EXPECT_EQ(sem->Members()[2]->Offset(), 48u); // mat2x4
EXPECT_EQ(sem->Members()[2]->Align(), 16u);
EXPECT_EQ(sem->Members()[2]->Size(), 32u);
EXPECT_EQ(sem->Members()[3]->Offset(), 80u); // mat3x2
EXPECT_EQ(sem->Members()[3]->Align(), 8u);
EXPECT_EQ(sem->Members()[3]->Size(), 24u);
EXPECT_EQ(sem->Members()[4]->Offset(), 112u); // mat3x3
EXPECT_EQ(sem->Members()[4]->Align(), 16u);
EXPECT_EQ(sem->Members()[4]->Size(), 48u);
EXPECT_EQ(sem->Members()[5]->Offset(), 160u); // mat3x4
EXPECT_EQ(sem->Members()[5]->Align(), 16u);
EXPECT_EQ(sem->Members()[5]->Size(), 48u);
EXPECT_EQ(sem->Members()[6]->Offset(), 208u); // mat4x2
EXPECT_EQ(sem->Members()[6]->Align(), 8u);
EXPECT_EQ(sem->Members()[6]->Size(), 32u);
EXPECT_EQ(sem->Members()[7]->Offset(), 240u); // mat4x3
EXPECT_EQ(sem->Members()[7]->Align(), 16u);
EXPECT_EQ(sem->Members()[7]->Size(), 64u);
EXPECT_EQ(sem->Members()[8]->Offset(), 304u); // mat4x4
EXPECT_EQ(sem->Members()[8]->Align(), 16u);
EXPECT_EQ(sem->Members()[8]->Size(), 64u);
}
TEST_F(ResolverStructLayoutTest, NestedStruct) {
auto inner = Structure("Inner", {
Member("a", ty.mat3x3<i32>()),
});
auto s = Structure("S", {
Member("a", ty.i32()),
Member("b", inner),
Member("c", ty.i32()),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 80u);
EXPECT_EQ(sem->SizeNoPadding(), 68u);
EXPECT_EQ(sem->Align(), 16u);
ASSERT_EQ(sem->Members().size(), 3u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
EXPECT_EQ(sem->Members()[1]->Offset(), 16u);
EXPECT_EQ(sem->Members()[1]->Align(), 16u);
EXPECT_EQ(sem->Members()[1]->Size(), 48u);
EXPECT_EQ(sem->Members()[2]->Offset(), 64u);
EXPECT_EQ(sem->Members()[2]->Align(), 4u);
EXPECT_EQ(sem->Members()[2]->Size(), 4u);
}
TEST_F(ResolverStructLayoutTest, SizeDecorations) {
auto inner = Structure("Inner", {
Member("a", ty.f32(), {MemberSize(8)}),
Member("b", ty.f32(), {MemberSize(16)}),
Member("c", ty.f32(), {MemberSize(8)}),
});
auto s = Structure("S", {
Member("a", ty.f32(), {MemberSize(4)}),
Member("b", ty.u32(), {MemberSize(8)}),
Member("c", inner),
Member("d", ty.i32(), {MemberSize(32)}),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 76u);
EXPECT_EQ(sem->SizeNoPadding(), 76u);
EXPECT_EQ(sem->Align(), 4u);
ASSERT_EQ(sem->Members().size(), 4u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
EXPECT_EQ(sem->Members()[1]->Offset(), 4u);
EXPECT_EQ(sem->Members()[1]->Align(), 4u);
EXPECT_EQ(sem->Members()[1]->Size(), 8u);
EXPECT_EQ(sem->Members()[2]->Offset(), 12u);
EXPECT_EQ(sem->Members()[2]->Align(), 4u);
EXPECT_EQ(sem->Members()[2]->Size(), 32u);
EXPECT_EQ(sem->Members()[3]->Offset(), 44u);
EXPECT_EQ(sem->Members()[3]->Align(), 4u);
EXPECT_EQ(sem->Members()[3]->Size(), 32u);
}
TEST_F(ResolverStructLayoutTest, AlignDecorations) {
auto inner = Structure("Inner", {
Member("a", ty.f32(), {MemberAlign(8)}),
Member("b", ty.f32(), {MemberAlign(16)}),
Member("c", ty.f32(), {MemberAlign(4)}),
});
auto s = Structure("S", {
Member("a", ty.f32(), {MemberAlign(4)}),
Member("b", ty.u32(), {MemberAlign(8)}),
Member("c", inner),
Member("d", ty.i32(), {MemberAlign(32)}),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 96u);
EXPECT_EQ(sem->SizeNoPadding(), 68u);
EXPECT_EQ(sem->Align(), 32u);
ASSERT_EQ(sem->Members().size(), 4u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 4u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
EXPECT_EQ(sem->Members()[1]->Offset(), 8u);
EXPECT_EQ(sem->Members()[1]->Align(), 8u);
EXPECT_EQ(sem->Members()[1]->Size(), 4u);
EXPECT_EQ(sem->Members()[2]->Offset(), 16u);
EXPECT_EQ(sem->Members()[2]->Align(), 16u);
EXPECT_EQ(sem->Members()[2]->Size(), 32u);
EXPECT_EQ(sem->Members()[3]->Offset(), 64u);
EXPECT_EQ(sem->Members()[3]->Align(), 32u);
EXPECT_EQ(sem->Members()[3]->Size(), 4u);
}
TEST_F(ResolverStructLayoutTest, StructWithLotsOfPadding) {
auto s = Structure("S", {
Member("a", ty.i32(), {MemberAlign(1024)}),
});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s.sem);
ASSERT_NE(sem, nullptr);
EXPECT_EQ(sem->Size(), 1024u);
EXPECT_EQ(sem->SizeNoPadding(), 4u);
EXPECT_EQ(sem->Align(), 1024u);
ASSERT_EQ(sem->Members().size(), 1u);
EXPECT_EQ(sem->Members()[0]->Offset(), 0u);
EXPECT_EQ(sem->Members()[0]->Align(), 1024u);
EXPECT_EQ(sem->Members()[0]->Size(), 4u);
}
} // namespace
} // namespace resolver
} // namespace tint
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