mirror of
https://github.com/encounter/dawn-cmake.git
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f1b0e1ee57
They already exist in a `ast::type` namespace, so `ast::type::BlahType` is just stuttering. This is more important now that Is<> and As<> use the full type name. Change-Id: I7c661fe58cdc33ba7e9a95c82c996a799786661f Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34321 Reviewed-by: dan sinclair <dsinclair@chromium.org>
102 lines
3.3 KiB
C++
102 lines
3.3 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 <vector>
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#include "src/ast/constant_id_decoration.h"
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#include "src/ast/decorated_variable.h"
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#include "src/ast/float_literal.h"
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#include "src/ast/module.h"
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#include "src/ast/scalar_constructor_expression.h"
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#include "src/ast/type/array_type.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/type_constructor_expression.h"
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#include "src/ast/variable.h"
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#include "src/writer/hlsl/test_helper.h"
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namespace tint {
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namespace writer {
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namespace hlsl {
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namespace {
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using HlslGeneratorImplTest_ModuleConstant = TestHelper;
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TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_ModuleConstant) {
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ast::type::F32 f32;
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ast::type::Array ary(&f32, 3);
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ast::ExpressionList exprs;
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exprs.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 1.0f)));
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exprs.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 2.0f)));
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exprs.push_back(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 3.0f)));
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auto* var = create<ast::Variable>("pos", ast::StorageClass::kNone, &ary);
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var->set_is_const(true);
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var->set_constructor(create<ast::TypeConstructorExpression>(&ary, exprs));
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ASSERT_TRUE(gen.EmitProgramConstVariable(out, var)) << gen.error();
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EXPECT_EQ(result(), "static const float pos[3] = {1.0f, 2.0f, 3.0f};\n");
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}
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TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_SpecConstant) {
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ast::type::F32 f32;
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ast::VariableDecorationList decos;
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decos.push_back(create<ast::ConstantIdDecoration>(23, Source{}));
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auto* var = create<ast::DecoratedVariable>(
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create<ast::Variable>("pos", ast::StorageClass::kNone, &f32));
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var->set_decorations(decos);
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var->set_is_const(true);
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var->set_constructor(create<ast::ScalarConstructorExpression>(
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create<ast::FloatLiteral>(&f32, 3.0f)));
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ASSERT_TRUE(gen.EmitProgramConstVariable(out, var)) << gen.error();
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EXPECT_EQ(result(), R"(#ifndef WGSL_SPEC_CONSTANT_23
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#define WGSL_SPEC_CONSTANT_23 3.0f
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#endif
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static const float pos = WGSL_SPEC_CONSTANT_23;
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#undef WGSL_SPEC_CONSTANT_23
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)");
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}
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TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_SpecConstant_NoConstructor) {
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ast::type::F32 f32;
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ast::VariableDecorationList decos;
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decos.push_back(create<ast::ConstantIdDecoration>(23, Source{}));
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auto* var = create<ast::DecoratedVariable>(
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create<ast::Variable>("pos", ast::StorageClass::kNone, &f32));
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var->set_decorations(decos);
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var->set_is_const(true);
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ASSERT_TRUE(gen.EmitProgramConstVariable(out, var)) << gen.error();
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EXPECT_EQ(result(), R"(#ifndef WGSL_SPEC_CONSTANT_23
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#error spec constant required for constant id 23
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#endif
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static const float pos = WGSL_SPEC_CONSTANT_23;
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#undef WGSL_SPEC_CONSTANT_23
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)");
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}
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} // namespace
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} // namespace hlsl
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} // namespace writer
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} // namespace tint
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