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8bcecf365d
Since this was the only attribute allowed on structures, we can also remove the parsing code for them. However, we still need to have attributes on the struct AST node, since the AddSpirvBlockAttribute transform adds one. Fixed: tint:1324 Change-Id: I7966237765b1d8a58c59908b59e1f1152a8a0439 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/83740 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/writer/wgsl/test_helper.h"
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namespace tint {
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namespace writer {
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namespace wgsl {
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namespace {
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using WgslGeneratorImplTest = TestHelper;
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TEST_F(WgslGeneratorImplTest, EmitVariable) {
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auto* v = Global("a", ty.f32(), ast::StorageClass::kPrivate);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(var<private> a : f32;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_StorageClass) {
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auto* v = Global("a", ty.f32(), ast::StorageClass::kPrivate);
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(var<private> a : f32;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Access_Read) {
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auto* s = Structure("S", {Member("a", ty.i32())});
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auto* v =
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Global("a", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kRead,
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ast::AttributeList{
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create<ast::BindingAttribute>(0),
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create<ast::GroupAttribute>(0),
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});
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(@binding(0) @group(0) var<storage, read> a : S;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Access_Write) {
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auto* s = Structure("S", {Member("a", ty.i32())});
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auto* v =
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Global("a", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kWrite,
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ast::AttributeList{
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create<ast::BindingAttribute>(0),
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create<ast::GroupAttribute>(0),
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});
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(@binding(0) @group(0) var<storage, write> a : S;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Access_ReadWrite) {
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auto* s = Structure("S", {Member("a", ty.i32())});
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auto* v = Global("a", ty.Of(s), ast::StorageClass::kStorage,
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ast::Access::kReadWrite,
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ast::AttributeList{
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create<ast::BindingAttribute>(0),
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create<ast::GroupAttribute>(0),
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});
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(),
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R"(@binding(0) @group(0) var<storage, read_write> a : S;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Decorated) {
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auto* v = Global("a", ty.sampler(ast::SamplerKind::kSampler),
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ast::StorageClass::kNone, nullptr,
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ast::AttributeList{
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create<ast::GroupAttribute>(1),
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create<ast::BindingAttribute>(2),
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});
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(@group(1) @binding(2) var a : sampler;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Constructor) {
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auto* v = Global("a", ty.f32(), ast::StorageClass::kPrivate, Expr(1.0f));
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(var<private> a : f32 = 1.0;)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Const) {
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auto* v = Const("a", ty.f32(), Expr(1.0f));
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WrapInFunction(Decl(v));
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GeneratorImpl& gen = Build();
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std::stringstream out;
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ASSERT_TRUE(gen.EmitVariable(out, v)) << gen.error();
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EXPECT_EQ(out.str(), R"(let a : f32 = 1.0;)");
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}
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} // namespace
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} // namespace wgsl
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} // namespace writer
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} // namespace tint
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