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https://github.com/encounter/dawn-cmake.git
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37571bc32d
Move the storage parameter after type. Const() has no use for storage classes, so this parameter will be removed in the next change. This reordering keeps Var() and Const() parameter types identical for the first two non-optional fields Change-Id: I66669d19fa2175c4f10f615941e69efcab4c23e1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/41540 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: dan sinclair <dsinclair@chromium.org>
114 lines
3.5 KiB
C++
114 lines
3.5 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 <memory>
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#include "gtest/gtest.h"
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#include "src/ast/binding_decoration.h"
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#include "src/ast/builtin_decoration.h"
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#include "src/ast/constant_id_decoration.h"
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#include "src/ast/group_decoration.h"
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#include "src/ast/location_decoration.h"
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#include "src/ast/variable.h"
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#include "src/ast/variable_decoration.h"
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#include "src/type/f32_type.h"
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#include "src/writer/wgsl/generator_impl.h"
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#include "src/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::kNone);
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitVariable(v)) << gen.error();
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EXPECT_EQ(gen.result(), R"(var a : f32;
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)");
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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::kInput);
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitVariable(v)) << gen.error();
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EXPECT_EQ(gen.result(), R"(var<in> a : f32;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Decorated) {
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auto* v = Global("a", ty.f32(), ast::StorageClass::kNone, nullptr,
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ast::VariableDecorationList{
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create<ast::LocationDecoration>(2),
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});
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitVariable(v)) << gen.error();
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EXPECT_EQ(gen.result(), R"([[location(2)]] var a : f32;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Decorated_Multiple) {
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auto* v = Global("a", ty.f32(), ast::StorageClass::kNone, nullptr,
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ast::VariableDecorationList{
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create<ast::BuiltinDecoration>(ast::Builtin::kPosition),
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create<ast::BindingDecoration>(0),
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create<ast::GroupDecoration>(1),
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create<ast::LocationDecoration>(2),
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create<ast::ConstantIdDecoration>(42),
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});
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitVariable(v)) << gen.error();
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EXPECT_EQ(
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gen.result(),
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R"([[builtin(position), binding(0), group(1), location(2), constant_id(42)]] var a : f32;
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)");
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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::kNone, Expr("initializer"),
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ast::VariableDecorationList{});
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitVariable(v)) << gen.error();
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EXPECT_EQ(gen.result(), R"(var a : f32 = initializer;
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)");
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}
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TEST_F(WgslGeneratorImplTest, EmitVariable_Const) {
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auto* v = Const("a", ty.f32(), ast::StorageClass::kNone, Expr("initializer"),
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ast::VariableDecorationList{});
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GeneratorImpl& gen = Build();
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ASSERT_TRUE(gen.EmitVariable(v)) << gen.error();
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EXPECT_EQ(gen.result(), R"(const a : f32 = initializer;
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)");
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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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