| Flutter Impeller |

compiler_test.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "impeller/compiler/compiler_test.h"
6 #include "flutter/fml/paths.h"
7 #include "flutter/fml/process.h"
8
9 #include <algorithm>
10 #include <filesystem>
11
12 namespace impeller {
13 namespace compiler {
14 namespace testing {
15
16 static std::string GetIntermediatesPath() {
17 auto test_name = flutter::testing::GetCurrentTestName();
18 std::replace(test_name.begin(), test_name.end(), '/', '_');
19 std::replace(test_name.begin(), test_name.end(), '.', '_');
20 std::stringstream dir_name;
21 dir_name << test_name << "_" << std::to_string(fml::GetCurrentProcId());
22 return fml::paths::JoinPaths(
23 {flutter::testing::GetFixturesPath(), dir_name.str()});
24 }
25
26 CompilerTest::CompilerTest() : intermediates_path_(GetIntermediatesPath()) {
27 intermediates_directory_ =
28 fml::OpenDirectory(intermediates_path_.c_str(),
29 true, // create if necessary
30 fml::FilePermission::kReadWrite);
31 FML_CHECK(intermediates_directory_.is_valid());
32 }
33
34 CompilerTest::~CompilerTest() {
35 intermediates_directory_.reset();
36
37 std::filesystem::remove_all(std::filesystem::path(intermediates_path_));
38 }
39
40 static std::string ReflectionHeaderName(const char* fixture_name) {
41 std::stringstream stream;
42 stream << fixture_name << ".h";
43 return stream.str();
44 }
45
46 static std::string ReflectionCCName(const char* fixture_name) {
47 std::stringstream stream;
48 stream << fixture_name << ".cc";
49 return stream.str();
50 }
51
52 static std::string ReflectionJSONName(const char* fixture_name) {
53 std::stringstream stream;
54 stream << fixture_name << ".json";
55 return stream.str();
56 }
57
58 static std::string SPIRVFileName(const char* fixture_name) {
59 std::stringstream stream;
60 stream << fixture_name << ".spv";
61 return stream.str();
62 }
63
64 static std::string SLFileName(const char* fixture_name,
65 TargetPlatform platform) {
66 std::stringstream stream;
67 stream << fixture_name << "." << TargetPlatformSLExtension(platform);
68 return stream.str();
69 }
70
71 std::unique_ptr<fml::FileMapping> CompilerTest::GetReflectionJson(
72 const char* fixture_name) const {
73 auto filename = ReflectionJSONName(fixture_name);
74 auto fd = fml::OpenFileReadOnly(intermediates_directory_, filename.c_str());
75 return fml::FileMapping::CreateReadOnly(fd);
76 }
77
78 std::unique_ptr<fml::FileMapping> CompilerTest::GetShaderFile(
79 const char* fixture_name,
80 TargetPlatform platform) const {
81 auto filename = SLFileName(fixture_name, platform);
82 auto fd = fml::OpenFileReadOnly(intermediates_directory_, filename.c_str());
83 return fml::FileMapping::CreateReadOnly(fd);
84 }
85
86 bool CompilerTest::CanCompileAndReflect(const char* fixture_name,
87 SourceType source_type,
88 SourceLanguage source_language,
89 const char* entry_point_name) const {
90 std::shared_ptr<fml::Mapping> fixture =
91 flutter::testing::OpenFixtureAsMapping(fixture_name);
92 if (!fixture || !fixture->GetMapping()) {
93 VALIDATION_LOG << "Could not find shader in fixtures: " << fixture_name;
94 return false;
95 }
96
97 SourceOptions source_options(fixture_name, source_type);
98 source_options.target_platform = GetParam();
99 source_options.source_language = source_language;
100 source_options.working_directory = std::make_shared<fml::UniqueFD>(
101 flutter::testing::OpenFixturesDirectory());
102 source_options.entry_point_name = EntryPointFunctionNameFromSourceName(
103 fixture_name, SourceTypeFromFileName(fixture_name), source_language,
104 entry_point_name);
105
106 Reflector::Options reflector_options;
107 reflector_options.header_file_name = ReflectionHeaderName(fixture_name);
108 reflector_options.shader_name = "shader_name";
109
110 Compiler compiler(fixture, source_options, reflector_options);
111 if (!compiler.IsValid()) {
112 VALIDATION_LOG << "Compilation failed: " << compiler.GetErrorMessages();
113 return false;
114 }
115
116 auto spirv_assembly = compiler.GetSPIRVAssembly();
117 if (!spirv_assembly) {
118 VALIDATION_LOG << "No spirv was generated.";
119 return false;
120 }
121
122 if (!fml::WriteAtomically(intermediates_directory_,
123 SPIRVFileName(fixture_name).c_str(),
124 *spirv_assembly)) {
125 VALIDATION_LOG << "Could not write SPIRV intermediates.";
126 return false;
127 }
128
129 auto sl_source = compiler.GetSLShaderSource();
130 if (!sl_source) {
131 VALIDATION_LOG << "No SL source was generated.";
132 return false;
133 }
134
135 if (!fml::WriteAtomically(intermediates_directory_,
136 SLFileName(fixture_name, GetParam()).c_str(),
137 *sl_source)) {
138 VALIDATION_LOG << "Could not write SL intermediates.";
139 return false;
140 }
141
142 if (TargetPlatformNeedsReflection(GetParam())) {
143 auto reflector = compiler.GetReflector();
144 if (!reflector) {
145 VALIDATION_LOG
146 << "No reflector was found for target platform SL compiler.";
147 return false;
148 }
149
150 auto reflection_json = reflector->GetReflectionJSON();
151 auto reflection_header = reflector->GetReflectionHeader();
152 auto reflection_source = reflector->GetReflectionCC();
153
154 if (!reflection_json) {
155 VALIDATION_LOG << "Reflection JSON was not found.";
156 return false;
157 }
158
159 if (!reflection_header) {
160 VALIDATION_LOG << "Reflection header was not found.";
161 return false;
162 }
163
164 if (!reflection_source) {
165 VALIDATION_LOG << "Reflection source was not found.";
166 return false;
167 }
168
169 if (!fml::WriteAtomically(intermediates_directory_,
170 ReflectionHeaderName(fixture_name).c_str(),
171 *reflection_header)) {
172 VALIDATION_LOG << "Could not write reflection header intermediates.";
173 return false;
174 }
175
176 if (!fml::WriteAtomically(intermediates_directory_,
177 ReflectionCCName(fixture_name).c_str(),
178 *reflection_source)) {
179 VALIDATION_LOG << "Could not write reflection CC intermediates.";
180 return false;
181 }
182
183 if (!fml::WriteAtomically(intermediates_directory_,
184 ReflectionJSONName(fixture_name).c_str(),
185 *reflection_json)) {
186 VALIDATION_LOG << "Could not write reflection json intermediates.";
187 return false;
188 }
189 }
190 return true;
191 }
192
193 } // namespace testing
194 } // namespace compiler
195 } // namespace impeller
impeller::compiler::Compiler
Definition: compiler.h:24
impeller::compiler::Compiler::GetSPIRVAssembly
std::shared_ptr< fml::Mapping > GetSPIRVAssembly() const
Definition: compiler.cc:481
impeller::compiler::Compiler::GetReflector
const Reflector * GetReflector() const
Definition: compiler.cc:542
impeller::compiler::Compiler::IsValid
bool IsValid() const
Definition: compiler.cc:489
impeller::compiler::Compiler::GetSLShaderSource
std::shared_ptr< fml::Mapping > GetSLShaderSource() const
Definition: compiler.cc:485
impeller::compiler::Compiler::GetErrorMessages
std::string GetErrorMessages() const
Definition: compiler.cc:499
impeller::compiler::testing::CompilerTest::CanCompileAndReflect
bool CanCompileAndReflect(const char *fixture_name, SourceType source_type=SourceType::kUnknown, SourceLanguage source_language=SourceLanguage::kGLSL, const char *entry_point_name="main") const
Definition: compiler_test.cc:86
impeller::compiler::testing::CompilerTest::GetReflectionJson
std::unique_ptr< fml::FileMapping > GetReflectionJson(const char *fixture_name) const
Definition: compiler_test.cc:71
impeller::compiler::testing::CompilerTest::GetShaderFile
std::unique_ptr< fml::FileMapping > GetShaderFile(const char *fixture_name, TargetPlatform platform) const
Definition: compiler_test.cc:78
impeller::compiler::testing::CompilerTest::CompilerTest
CompilerTest()
Definition: compiler_test.cc:26
impeller::compiler::testing::CompilerTest::~CompilerTest
~CompilerTest()
Definition: compiler_test.cc:34
compiler_test.h
impeller::compiler::testing::ReflectionCCName
static std::string ReflectionCCName(const char *fixture_name)
Definition: compiler_test.cc:46
impeller::compiler::testing::ReflectionJSONName
static std::string ReflectionJSONName(const char *fixture_name)
Definition: compiler_test.cc:52
impeller::compiler::testing::GetIntermediatesPath
static std::string GetIntermediatesPath()
Definition: compiler_test.cc:16
impeller::compiler::testing::ReflectionHeaderName
static std::string ReflectionHeaderName(const char *fixture_name)
Definition: compiler_test.cc:40
impeller::compiler::testing::SLFileName
static std::string SLFileName(const char *fixture_name, TargetPlatform platform)
Definition: compiler_test.cc:64
impeller::compiler::testing::SPIRVFileName
static std::string SPIRVFileName(const char *fixture_name)
Definition: compiler_test.cc:58
impeller::compiler::SourceType
SourceType
Definition: types.h:21
impeller::compiler::TargetPlatformSLExtension
std::string TargetPlatformSLExtension(TargetPlatform platform)
Definition: types.cc:250
impeller::compiler::SourceLanguage
SourceLanguage
Definition: types.h:42
impeller::compiler::SourceTypeFromFileName
SourceType SourceTypeFromFileName(const std::string &file_name)
Definition: types.cc:30
impeller::compiler::EntryPointFunctionNameFromSourceName
std::string EntryPointFunctionNameFromSourceName(const std::string &file_name, SourceType type, SourceLanguage source_language, const std::string &entry_point_name)
Definition: types.cc:113
impeller::compiler::TargetPlatformNeedsReflection
bool TargetPlatformNeedsReflection(TargetPlatform platform)
Definition: types.cc:143
impeller::compiler::TargetPlatform
TargetPlatform
Definition: types.h:28
impeller
Definition: allocation.cc:12
impeller::compiler::Reflector::Options
Definition: reflector.h:146
impeller::compiler::Reflector::Options::shader_name
std::string shader_name
Definition: reflector.h:149
impeller::compiler::Reflector::Options::header_file_name
std::string header_file_name
Definition: reflector.h:150
impeller::compiler::SourceOptions
Definition: source_options.h:20
impeller::compiler::SourceOptions::source_language
SourceLanguage source_language
Definition: source_options.h:23
impeller::compiler::SourceOptions::entry_point_name
std::string entry_point_name
Definition: source_options.h:27
impeller::compiler::SourceOptions::target_platform
TargetPlatform target_platform
Definition: source_options.h:22
impeller::compiler::SourceOptions::working_directory
std::shared_ptr< fml::UniqueFD > working_directory
Definition: source_options.h:24
VALIDATION_LOG
#define VALIDATION_LOG
Definition: validation.h:91