1 // Copyright 2020 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/writer/hlsl/test_helper.h"
16
17 namespace tint {
18 namespace writer {
19 namespace hlsl {
20 namespace {
21
22 using HlslGeneratorImplTest = TestHelper;
23
TEST_F(HlslGeneratorImplTest,Generate)24 TEST_F(HlslGeneratorImplTest, Generate) {
25 Func("my_func", ast::VariableList{}, ty.void_(), ast::StatementList{},
26 ast::DecorationList{});
27
28 GeneratorImpl& gen = Build();
29
30 ASSERT_TRUE(gen.Generate()) << gen.error();
31 EXPECT_EQ(gen.result(), R"(void my_func() {
32 }
33 )");
34 }
35
36 struct HlslBuiltinData {
37 ast::Builtin builtin;
38 const char* attribute_name;
39 };
operator <<(std::ostream & out,HlslBuiltinData data)40 inline std::ostream& operator<<(std::ostream& out, HlslBuiltinData data) {
41 out << data.builtin;
42 return out;
43 }
44 using HlslBuiltinConversionTest = TestParamHelper<HlslBuiltinData>;
TEST_P(HlslBuiltinConversionTest,Emit)45 TEST_P(HlslBuiltinConversionTest, Emit) {
46 auto params = GetParam();
47 GeneratorImpl& gen = Build();
48
49 EXPECT_EQ(gen.builtin_to_attribute(params.builtin),
50 std::string(params.attribute_name));
51 }
52 INSTANTIATE_TEST_SUITE_P(
53 HlslGeneratorImplTest,
54 HlslBuiltinConversionTest,
55 testing::Values(
56 HlslBuiltinData{ast::Builtin::kPosition, "SV_Position"},
57 HlslBuiltinData{ast::Builtin::kVertexIndex, "SV_VertexID"},
58 HlslBuiltinData{ast::Builtin::kInstanceIndex, "SV_InstanceID"},
59 HlslBuiltinData{ast::Builtin::kFrontFacing, "SV_IsFrontFace"},
60 HlslBuiltinData{ast::Builtin::kFragDepth, "SV_Depth"},
61 HlslBuiltinData{ast::Builtin::kLocalInvocationId, "SV_GroupThreadID"},
62 HlslBuiltinData{ast::Builtin::kLocalInvocationIndex, "SV_GroupIndex"},
63 HlslBuiltinData{ast::Builtin::kGlobalInvocationId,
64 "SV_DispatchThreadID"},
65 HlslBuiltinData{ast::Builtin::kWorkgroupId, "SV_GroupID"},
66 HlslBuiltinData{ast::Builtin::kSampleIndex, "SV_SampleIndex"},
67 HlslBuiltinData{ast::Builtin::kSampleMask, "SV_Coverage"}));
68
69 } // namespace
70 } // namespace hlsl
71 } // namespace writer
72 } // namespace tint
73