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dawn-cmake/src/tint/transform/add_spirv_block_attribute_test.cc
Ben Clayton cdcc85973b tint: Clean up AddSpirvBlockAttribute 
* Walk the sem type list, instead of all AST nodes to just find the
  types.
* Walk the AST global list, instead of all declarations, then filtering
  to globals.
* Use the ast::IsHostSharable() helper where possible.
* Only lookup the sem node once instead of twice, per global.
* Use the new utils::Hashmap and utils::Hashset containers instead of
  std::unordered_map and std::unordered_set.

Change-Id: Idb47c855ae9dfd27515774a89cedb7ed06e07035
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/100140
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2022-08-23 14:30:24 +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/tint/transform/add_spirv_block_attribute.h"
#include <memory>
#include <utility>
#include "src/tint/transform/test_helper.h"
namespace tint::transform {
namespace {
using AddSpirvBlockAttributeTest = TransformTest;
TEST_F(AddSpirvBlockAttributeTest, EmptyModule) {
auto* src = "";
auto* expect = "";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Noop_UsedForPrivateVar) {
auto* src = R"(
struct S {
f : f32,
}
var<private> p : S;
@fragment
fn main() {
p.f = 1.0;
}
)";
auto* expect = src;
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Noop_UsedForShaderIO) {
auto* src = R"(
struct S {
@location(0)
f : f32,
}
@fragment
fn main() -> S {
return S();
}
)";
auto* expect = src;
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicScalar) {
auto* src = R"(
@group(0) @binding(0)
var<uniform> u : f32;
@fragment
fn main() {
let f = u;
}
)";
auto* expect = R"(
@internal(spirv_block)
struct u_block {
inner : f32,
}
@group(0) @binding(0) var<uniform> u : u_block;
@fragment
fn main() {
let f = u.inner;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicArray) {
auto* src = R"(
@group(0) @binding(0)
var<uniform> u : array<vec4<f32>, 4u>;
@fragment
fn main() {
let a = u;
}
)";
auto* expect = R"(
@internal(spirv_block)
struct u_block {
inner : array<vec4<f32>, 4u>,
}
@group(0) @binding(0) var<uniform> u : u_block;
@fragment
fn main() {
let a = u.inner;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicArray_Alias) {
auto* src = R"(
type Numbers = array<vec4<f32>, 4u>;
@group(0) @binding(0)
var<uniform> u : Numbers;
@fragment
fn main() {
let a = u;
}
)";
auto* expect = R"(
type Numbers = array<vec4<f32>, 4u>;
@internal(spirv_block)
struct u_block {
inner : array<vec4<f32>, 4u>,
}
@group(0) @binding(0) var<uniform> u : u_block;
@fragment
fn main() {
let a = u.inner;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicStruct_AccessRoot) {
auto* src = R"(
struct S {
f : f32,
};
@group(0) @binding(0)
var<uniform> u : S;
@fragment
fn main() {
let f = u;
}
)";
auto* expect = R"(
@internal(spirv_block)
struct S {
f : f32,
}
@group(0) @binding(0) var<uniform> u : S;
@fragment
fn main() {
let f = u;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicStruct_AccessField) {
auto* src = R"(
struct S {
f : f32,
};
@group(0) @binding(0)
var<uniform> u : S;
@fragment
fn main() {
let f = u.f;
}
)";
auto* expect = R"(
@internal(spirv_block)
struct S {
f : f32,
}
@group(0) @binding(0) var<uniform> u : S;
@fragment
fn main() {
let f = u.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicScalar_PushConstant) {
auto* src = R"(
enable chromium_experimental_push_constant;
var<push_constant> u : f32;
@fragment
fn main() {
let f = u;
}
)";
auto* expect = R"(
enable chromium_experimental_push_constant;
@internal(spirv_block)
struct u_block {
inner : f32,
}
var<push_constant> u : u_block;
@fragment
fn main() {
let f = u.inner;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, BasicStruct_PushConstant) {
auto* src = R"(
enable chromium_experimental_push_constant;
struct S {
f : f32,
};
var<push_constant> u : S;
@fragment
fn main() {
let f = u.f;
}
)";
auto* expect = R"(
enable chromium_experimental_push_constant;
@internal(spirv_block)
struct S {
f : f32,
}
var<push_constant> u : S;
@fragment
fn main() {
let f = u.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Nested_OuterBuffer_InnerNotBuffer) {
auto* src = R"(
struct Inner {
f : f32,
};
struct Outer {
i : Inner,
};
@group(0) @binding(0)
var<uniform> u : Outer;
@fragment
fn main() {
let f = u.i.f;
}
)";
auto* expect = R"(
struct Inner {
f : f32,
}
@internal(spirv_block)
struct Outer {
i : Inner,
}
@group(0) @binding(0) var<uniform> u : Outer;
@fragment
fn main() {
let f = u.i.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Nested_OuterBuffer_InnerBuffer) {
auto* src = R"(
struct Inner {
f : f32,
};
struct Outer {
i : Inner,
};
@group(0) @binding(0)
var<uniform> u0 : Outer;
@group(0) @binding(1)
var<uniform> u1 : Inner;
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.f;
}
)";
auto* expect = R"(
struct Inner {
f : f32,
}
@internal(spirv_block)
struct Outer {
i : Inner,
}
@group(0) @binding(0) var<uniform> u0 : Outer;
@internal(spirv_block)
struct u1_block {
inner : Inner,
}
@group(0) @binding(1) var<uniform> u1 : u1_block;
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.inner.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Nested_OuterNotBuffer_InnerBuffer) {
auto* src = R"(
struct Inner {
f : f32,
};
struct Outer {
i : Inner,
};
var<private> p : Outer;
@group(0) @binding(1)
var<uniform> u : Inner;
@fragment
fn main() {
let f0 = p.i.f;
let f1 = u.f;
}
)";
auto* expect = R"(
struct Inner {
f : f32,
}
struct Outer {
i : Inner,
}
var<private> p : Outer;
@internal(spirv_block)
struct u_block {
inner : Inner,
}
@group(0) @binding(1) var<uniform> u : u_block;
@fragment
fn main() {
let f0 = p.i.f;
let f1 = u.inner.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Nested_InnerUsedForMultipleBuffers) {
auto* src = R"(
struct Inner {
f : f32,
};
struct S {
i : Inner,
};
@group(0) @binding(0)
var<uniform> u0 : S;
@group(0) @binding(1)
var<uniform> u1 : Inner;
@group(0) @binding(2)
var<uniform> u2 : Inner;
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.f;
let f2 = u2.f;
}
)";
auto* expect = R"(
struct Inner {
f : f32,
}
@internal(spirv_block)
struct S {
i : Inner,
}
@group(0) @binding(0) var<uniform> u0 : S;
@internal(spirv_block)
struct u1_block {
inner : Inner,
}
@group(0) @binding(1) var<uniform> u1 : u1_block;
@group(0) @binding(2) var<uniform> u2 : u1_block;
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.inner.f;
let f2 = u2.inner.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, StructInArray) {
auto* src = R"(
struct S {
f : f32,
};
@group(0) @binding(0)
var<uniform> u : S;
@fragment
fn main() {
let f = u.f;
let a = array<S, 4>();
}
)";
auto* expect = R"(
struct S {
f : f32,
}
@internal(spirv_block)
struct u_block {
inner : S,
}
@group(0) @binding(0) var<uniform> u : u_block;
@fragment
fn main() {
let f = u.inner.f;
let a = array<S, 4>();
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, StructInArray_MultipleBuffers) {
auto* src = R"(
struct S {
f : f32,
};
@group(0) @binding(0)
var<uniform> u0 : S;
@group(0) @binding(1)
var<uniform> u1 : S;
@fragment
fn main() {
let f0 = u0.f;
let f1 = u1.f;
let a = array<S, 4>();
}
)";
auto* expect = R"(
struct S {
f : f32,
}
@internal(spirv_block)
struct u0_block {
inner : S,
}
@group(0) @binding(0) var<uniform> u0 : u0_block;
@group(0) @binding(1) var<uniform> u1 : u0_block;
@fragment
fn main() {
let f0 = u0.inner.f;
let f1 = u1.inner.f;
let a = array<S, 4>();
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Aliases_Nested_OuterBuffer_InnerBuffer) {
auto* src = R"(
struct Inner {
f : f32,
};
type MyInner = Inner;
struct Outer {
i : MyInner,
};
type MyOuter = Outer;
@group(0) @binding(0)
var<uniform> u0 : MyOuter;
@group(0) @binding(1)
var<uniform> u1 : MyInner;
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.f;
}
)";
auto* expect = R"(
struct Inner {
f : f32,
}
type MyInner = Inner;
@internal(spirv_block)
struct Outer {
i : MyInner,
}
type MyOuter = Outer;
@group(0) @binding(0) var<uniform> u0 : MyOuter;
@internal(spirv_block)
struct u1_block {
inner : Inner,
}
@group(0) @binding(1) var<uniform> u1 : u1_block;
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.inner.f;
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
TEST_F(AddSpirvBlockAttributeTest, Aliases_Nested_OuterBuffer_InnerBuffer_OutOfOrder) {
auto* src = R"(
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.f;
}
@group(0) @binding(1)
var<uniform> u1 : MyInner;
type MyInner = Inner;
@group(0) @binding(0)
var<uniform> u0 : MyOuter;
type MyOuter = Outer;
struct Outer {
i : MyInner,
};
struct Inner {
f : f32,
};
)";
auto* expect = R"(
@fragment
fn main() {
let f0 = u0.i.f;
let f1 = u1.inner.f;
}
@internal(spirv_block)
struct u1_block {
inner : Inner,
}
@group(0) @binding(1) var<uniform> u1 : u1_block;
type MyInner = Inner;
@group(0) @binding(0) var<uniform> u0 : MyOuter;
type MyOuter = Outer;
@internal(spirv_block)
struct Outer {
i : MyInner,
}
struct Inner {
f : f32,
}
)";
auto got = Run<AddSpirvBlockAttribute>(src);
EXPECT_EQ(expect, str(got));
}
} // namespace
} // namespace tint::transform
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