| Flutter Impeller |

golden_playground_test_mac.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 <dlfcn.h>
6 #include <filesystem>
7 #include <memory>
8
9 #include "display_list/display_list.h"
10 #include "flutter/impeller/golden_tests/golden_playground_test.h"
11
12 #include "flutter/impeller/golden_tests/golden_digest.h"
13 #include "flutter/impeller/golden_tests/metal_screenshotter.h"
14 #include "flutter/impeller/golden_tests/vulkan_screenshotter.h"
15 #include "flutter/third_party/abseil-cpp/absl/base/no_destructor.h"
16 #include "fml/closure.h"
17 #include "impeller/display_list/aiks_context.h"
18 #include "impeller/display_list/dl_dispatcher.h"
19 #include "impeller/display_list/dl_image_impeller.h"
20 #include "impeller/typographer/backends/skia/typographer_context_skia.h"
21 #include "impeller/typographer/typographer_context.h"
22
23 #define GLFW_INCLUDE_NONE
24 #include "third_party/glfw/include/GLFW/glfw3.h"
25
26 namespace impeller {
27
28 namespace {
29 std::unique_ptr<PlaygroundImpl> MakeVulkanPlayground(bool enable_validations) {
30 FML_CHECK(::glfwInit() == GLFW_TRUE);
31 PlaygroundSwitches playground_switches;
32 playground_switches.enable_vulkan_validation = enable_validations;
33 return PlaygroundImpl::Create(PlaygroundBackend::kVulkan,
34 playground_switches);
35 }
36
37 // Returns a static instance to a playground that can be used across tests.
38 const std::unique_ptr<PlaygroundImpl>& GetSharedVulkanPlayground(
39 bool enable_validations) {
40 if (enable_validations) {
41 static absl::NoDestructor<std::unique_ptr<PlaygroundImpl>>
42 vulkan_validation_playground(
43 MakeVulkanPlayground(/*enable_validations=*/true));
44 // TODO(142237): This can be removed when the thread local storage is
45 // removed.
46 static fml::ScopedCleanupClosure context_cleanup(
47 [&] { (*vulkan_validation_playground)->GetContext()->Shutdown(); });
48 return *vulkan_validation_playground;
49 } else {
50 static absl::NoDestructor<std::unique_ptr<PlaygroundImpl>>
51 vulkan_playground(MakeVulkanPlayground(/*enable_validations=*/false));
52 // TODO(142237): This can be removed when the thread local storage is
53 // removed.
54 static fml::ScopedCleanupClosure context_cleanup(
55 [&] { (*vulkan_playground)->GetContext()->Shutdown(); });
56 return *vulkan_playground;
57 }
58 }
59
60 } // namespace
61
62 #define IMP_AIKSTEST(name) \
63 "impeller_Play_AiksTest_" #name "_Metal", \
64 "impeller_Play_AiksTest_" #name "_OpenGLES", \
65 "impeller_Play_AiksTest_" #name "_Vulkan"
66
67 // If you add a new playground test to the aiks unittests and you do not want it
68 // to also be a golden test, then add the test name here.
69 static const std::vector<std::string> kSkipTests = {
70 // TextRotated is flakey and we can't seem to get it to stabilize on Skia
71 // Gold.
72 IMP_AIKSTEST(TextRotated),
73 // Runtime stage based tests get confused with a Metal context.
74 "impeller_Play_AiksTest_CanRenderClippedRuntimeEffects_Vulkan",
75 };
76
77 namespace {
78 std::string GetTestName() {
79 std::string suite_name =
80 ::testing::UnitTest::GetInstance()->current_test_suite()->name();
81 std::string test_name =
82 ::testing::UnitTest::GetInstance()->current_test_info()->name();
83 std::stringstream ss;
84 ss << "impeller_" << suite_name << "_" << test_name;
85 std::string result = ss.str();
86 // Make sure there are no slashes in the test name.
87 std::replace(result.begin(), result.end(), '/', '_');
88 return result;
89 }
90
91 std::string GetGoldenFilename(const std::string& postfix) {
92 return GetTestName() + postfix + ".png";
93 }
94 } // namespace
95
96 bool GoldenPlaygroundTest::SaveScreenshot(
97 std::unique_ptr<testing::Screenshot> screenshot,
98 const std::string& postfix) {
99 if (!screenshot || !screenshot->GetBytes()) {
100 FML_LOG(ERROR) << "Failed to collect screenshot for test " << GetTestName();
101 return false;
102 }
103 std::string test_name = GetTestName();
104 std::string filename = GetGoldenFilename(postfix);
105 testing::GoldenDigest::Instance()->AddImage(
106 test_name, filename, screenshot->GetWidth(), screenshot->GetHeight());
107 if (!screenshot->WriteToPNG(
108 testing::WorkingDirectory::Instance()->GetFilenamePath(filename))) {
109 FML_LOG(ERROR) << "Failed to write screenshot to " << filename;
110 return false;
111 }
112 return true;
113 }
114
115 struct GoldenPlaygroundTest::GoldenPlaygroundTestImpl {
116 std::unique_ptr<PlaygroundImpl> test_vulkan_playground;
117 std::unique_ptr<PlaygroundImpl> test_opengl_playground;
118 std::unique_ptr<testing::Screenshotter> screenshotter;
119 ISize window_size = ISize{1024, 768};
120 };
121
122 GoldenPlaygroundTest::GoldenPlaygroundTest()
123 : typographer_context_(TypographerContextSkia::Make()),
124 pimpl_(new GoldenPlaygroundTest::GoldenPlaygroundTestImpl()) {}
125
126 GoldenPlaygroundTest::~GoldenPlaygroundTest() = default;
127
128 void GoldenPlaygroundTest::SetTypographerContext(
129 std::shared_ptr<TypographerContext> typographer_context) {
130 typographer_context_ = std::move(typographer_context);
131 };
132
133 void GoldenPlaygroundTest::TearDown() {
134 ASSERT_FALSE(dlopen("/usr/local/lib/libMoltenVK.dylib", RTLD_NOLOAD));
135 }
136
137 namespace {
138 bool DoesSupportWideGamutTests() {
139 #ifdef __arm64__
140 return true;
141 #else
142 return false;
143 #endif
144 }
145 } // namespace
146
147 void GoldenPlaygroundTest::SetUp() {
148 std::filesystem::path testing_assets_path =
149 flutter::testing::GetTestingAssetsPath();
150 std::filesystem::path target_path = testing_assets_path.parent_path()
151 .parent_path()
152 .parent_path()
153 .parent_path();
154 std::filesystem::path icd_path = target_path / "vk_swiftshader_icd.json";
155 setenv("VK_ICD_FILENAMES", icd_path.c_str(), 1);
156
157 std::string test_name = GetTestName();
158 PlaygroundSwitches switches;
159 switches.enable_wide_gamut =
160 test_name.find("WideGamut_") != std::string::npos;
161 switches.flags.antialiased_lines =
162 test_name.find("ExperimentAntialiasLines_") != std::string::npos;
163 switch (GetParam()) {
164 case PlaygroundBackend::kMetal:
165 if (!DoesSupportWideGamutTests()) {
166 GTEST_SKIP()
167 << "This metal device doesn't support wide gamut golden tests.";
168 }
169 pimpl_->screenshotter =
170 std::make_unique<testing::MetalScreenshotter>(switches);
171 break;
172 case PlaygroundBackend::kVulkan: {
173 if (switches.enable_wide_gamut) {
174 GTEST_SKIP() << "Vulkan doesn't support wide gamut golden tests.";
175 }
176 if (switches.flags.antialiased_lines) {
177 GTEST_SKIP()
178 << "Vulkan doesn't support antialiased lines golden tests.";
179 }
180 const std::unique_ptr<PlaygroundImpl>& playground =
181 GetSharedVulkanPlayground(/*enable_validations=*/true);
182 pimpl_->screenshotter =
183 std::make_unique<testing::VulkanScreenshotter>(playground);
184 break;
185 }
186 case PlaygroundBackend::kOpenGLES: {
187 if (switches.enable_wide_gamut) {
188 GTEST_SKIP() << "OpenGLES doesn't support wide gamut golden tests.";
189 }
190 if (switches.flags.antialiased_lines) {
191 GTEST_SKIP()
192 << "OpenGLES doesn't support antialiased lines golden tests.";
193 }
194 FML_CHECK(::glfwInit() == GLFW_TRUE);
195 PlaygroundSwitches playground_switches;
196 playground_switches.use_angle = true;
197 pimpl_->test_opengl_playground = PlaygroundImpl::Create(
198 PlaygroundBackend::kOpenGLES, playground_switches);
199 pimpl_->screenshotter = std::make_unique<testing::VulkanScreenshotter>(
200 pimpl_->test_opengl_playground);
201 break;
202 }
203 }
204
205 if (std::find(kSkipTests.begin(), kSkipTests.end(), test_name) !=
206 kSkipTests.end()) {
207 GTEST_SKIP()
208 << "GoldenPlaygroundTest doesn't support interactive playground tests "
209 "yet.";
210 }
211
212 testing::GoldenDigest::Instance()->AddDimension(
213 "gpu_string", GetContext()->DescribeGpuModel());
214 }
215
216 PlaygroundBackend GoldenPlaygroundTest::GetBackend() const {
217 return GetParam();
218 }
219
220 bool GoldenPlaygroundTest::OpenPlaygroundHere(
221 const AiksDlPlaygroundCallback& callback) {
222 AiksContext renderer(GetContext(), typographer_context_);
223
224 std::unique_ptr<testing::Screenshot> screenshot;
225 for (int i = 0; i < 2; ++i) {
226 auto display_list = callback();
227 auto texture =
228 DisplayListToTexture(display_list, pimpl_->window_size, renderer);
229 screenshot = pimpl_->screenshotter->MakeScreenshot(renderer, texture);
230 }
231 return SaveScreenshot(std::move(screenshot));
232 }
233
234 bool GoldenPlaygroundTest::OpenPlaygroundHere(
235 const sk_sp<flutter::DisplayList>& list) {
236 return OpenPlaygroundHere([&list]() { return list; });
237 }
238
239 bool GoldenPlaygroundTest::ImGuiBegin(const char* name,
240 bool* p_open,
241 ImGuiWindowFlags flags) {
242 return false;
243 }
244
245 std::shared_ptr<Texture> GoldenPlaygroundTest::CreateTextureForFixture(
246 const char* fixture_name,
247 bool enable_mipmapping) const {
248 std::shared_ptr<fml::Mapping> mapping =
249 flutter::testing::OpenFixtureAsMapping(fixture_name);
250 auto result = Playground::CreateTextureForMapping(GetContext(), mapping,
251 enable_mipmapping);
252 if (result) {
253 result->SetLabel(fixture_name);
254 }
255 return result;
256 }
257
258 sk_sp<flutter::DlImage> GoldenPlaygroundTest::CreateDlImageForFixture(
259 const char* fixture_name,
260 bool enable_mipmapping) const {
261 std::shared_ptr<Texture> texture =
262 CreateTextureForFixture(fixture_name, enable_mipmapping);
263 return DlImageImpeller::Make(texture);
264 }
265
266 RuntimeStage::Map GoldenPlaygroundTest::OpenAssetAsRuntimeStage(
267 const char* asset_name) const {
268 const std::shared_ptr<fml::Mapping> fixture =
269 flutter::testing::OpenFixtureAsMapping(asset_name);
270 if (!fixture || fixture->GetSize() == 0) {
271 return {};
272 }
273 return RuntimeStage::DecodeRuntimeStages(fixture);
274 }
275
276 std::shared_ptr<Context> GoldenPlaygroundTest::GetContext() const {
277 return pimpl_->screenshotter->GetPlayground().GetContext();
278 }
279
280 std::shared_ptr<Context> GoldenPlaygroundTest::MakeContext() const {
281 if (GetParam() == PlaygroundBackend::kMetal) {
282 /// On Metal we create a context for each test.
283 return GetContext();
284 } else if (GetParam() == PlaygroundBackend::kVulkan) {
285 bool enable_vulkan_validations = true;
286 FML_CHECK(!pimpl_->test_vulkan_playground)
287 << "We don't support creating multiple contexts for one test";
288 pimpl_->test_vulkan_playground =
289 MakeVulkanPlayground(enable_vulkan_validations);
290 pimpl_->screenshotter = std::make_unique<testing::VulkanScreenshotter>(
291 pimpl_->test_vulkan_playground);
292 return pimpl_->test_vulkan_playground->GetContext();
293 } else {
294 /// On OpenGL we create a context for each test.
295 return GetContext();
296 }
297 }
298
299 Point GoldenPlaygroundTest::GetContentScale() const {
300 return pimpl_->screenshotter->GetPlayground().GetContentScale();
301 }
302
303 Scalar GoldenPlaygroundTest::GetSecondsElapsed() const {
304 return 0.0f;
305 }
306
307 ISize GoldenPlaygroundTest::GetWindowSize() const {
308 return pimpl_->window_size;
309 }
310
311 void GoldenPlaygroundTest::GoldenPlaygroundTest::SetWindowSize(ISize size) {
312 pimpl_->window_size = size;
313 }
314
315 fml::Status GoldenPlaygroundTest::SetCapabilities(
316 const std::shared_ptr<Capabilities>& capabilities) {
317 return pimpl_->screenshotter->GetPlayground().SetCapabilities(capabilities);
318 }
319
320 std::unique_ptr<testing::Screenshot> GoldenPlaygroundTest::MakeScreenshot(
321 const sk_sp<flutter::DisplayList>& list) {
322 AiksContext renderer(GetContext(), typographer_context_);
323
324 return pimpl_->screenshotter->MakeScreenshot(
325 renderer, DisplayListToTexture(list, pimpl_->window_size, renderer));
326 }
327
328 } // namespace impeller
aiks_context.h
impeller::AiksContext
Definition: aiks_context.h:19
impeller::DlImageImpeller::Make
static sk_sp< DlImageImpeller > Make(std::shared_ptr< Texture > texture, OwningContext owning_context=OwningContext::kIO)
Definition: dl_image_impeller.cc:23
impeller::GoldenPlaygroundTest
Definition: golden_playground_test.h:27
impeller::GoldenPlaygroundTest::GetBackend
PlaygroundBackend GetBackend() const
Definition: golden_playground_test_mac.cc:216
impeller::GoldenPlaygroundTest::GetWindowSize
ISize GetWindowSize() const
Definition: golden_playground_test_mac.cc:307
impeller::GoldenPlaygroundTest::CreateDlImageForFixture
sk_sp< flutter::DlImage > CreateDlImageForFixture(const char *fixture_name, bool enable_mipmapping=false) const
Definition: golden_playground_test_mac.cc:258
impeller::GoldenPlaygroundTest::GetContentScale
Point GetContentScale() const
Definition: golden_playground_test_mac.cc:299
impeller::GoldenPlaygroundTest::SetCapabilities
fml::Status SetCapabilities(const std::shared_ptr< Capabilities > &capabilities)
Definition: golden_playground_test_mac.cc:315
impeller::GoldenPlaygroundTest::SetTypographerContext
void SetTypographerContext(std::shared_ptr< TypographerContext > typographer_context)
Definition: golden_playground_test_mac.cc:128
impeller::GoldenPlaygroundTest::MakeContext
std::shared_ptr< Context > MakeContext() const
Definition: golden_playground_test_mac.cc:280
impeller::GoldenPlaygroundTest::SaveScreenshot
static bool SaveScreenshot(std::unique_ptr< testing::Screenshot > screenshot, const std::string &postfix="")
Definition: golden_playground_test_mac.cc:96
impeller::GoldenPlaygroundTest::TearDown
void TearDown()
Definition: golden_playground_test_mac.cc:133
impeller::GoldenPlaygroundTest::MakeScreenshot
std::unique_ptr< testing::Screenshot > MakeScreenshot(const sk_sp< flutter::DisplayList > &list)
Definition: golden_playground_test_mac.cc:320
impeller::GoldenPlaygroundTest::GetSecondsElapsed
Scalar GetSecondsElapsed() const
Definition: golden_playground_test_mac.cc:303
impeller::GoldenPlaygroundTest::OpenAssetAsRuntimeStage
RuntimeStage::Map OpenAssetAsRuntimeStage(const char *asset_name) const
Definition: golden_playground_test_mac.cc:266
impeller::GoldenPlaygroundTest::OpenPlaygroundHere
bool OpenPlaygroundHere(Picture picture)
impeller::GoldenPlaygroundTest::ImGuiBegin
static bool ImGuiBegin(const char *name, bool *p_open, ImGuiWindowFlags flags)
Definition: golden_playground_test_mac.cc:239
impeller::GoldenPlaygroundTest::AiksDlPlaygroundCallback
std::function< sk_sp< flutter::DisplayList >()> AiksDlPlaygroundCallback
Definition: golden_playground_test.h:32
impeller::GoldenPlaygroundTest::SetUp
void SetUp()
Definition: golden_playground_test_mac.cc:147
impeller::GoldenPlaygroundTest::~GoldenPlaygroundTest
~GoldenPlaygroundTest() override
impeller::GoldenPlaygroundTest::GetContext
std::shared_ptr< Context > GetContext() const
Definition: golden_playground_test_mac.cc:276
impeller::GoldenPlaygroundTest::GoldenPlaygroundTest
GoldenPlaygroundTest()
Definition: golden_playground_test_mac.cc:122
impeller::GoldenPlaygroundTest::CreateTextureForFixture
std::shared_ptr< Texture > CreateTextureForFixture(const char *fixture_name, bool enable_mipmapping=false) const
Definition: golden_playground_test_mac.cc:245
impeller::Playground::CreateTextureForMapping
static std::shared_ptr< Texture > CreateTextureForMapping(const std::shared_ptr< Context > &context, std::shared_ptr< fml::Mapping > mapping, bool enable_mipmapping=false)
Definition: playground.cc:432
impeller::PlaygroundImpl::Create
static std::unique_ptr< PlaygroundImpl > Create(PlaygroundBackend backend, PlaygroundSwitches switches)
Definition: playground_impl.cc:25
impeller::RuntimeStage::Map
std::map< RuntimeStageBackend, std::shared_ptr< RuntimeStage > > Map
Definition: runtime_stage.h:24
impeller::RuntimeStage::DecodeRuntimeStages
static Map DecodeRuntimeStages(const std::shared_ptr< fml::Mapping > &payload)
Definition: runtime_stage.cc:62
impeller::TypographerContextSkia
Definition: typographer_context_skia.h:12
impeller::testing::GoldenDigest::Instance
static GoldenDigest * Instance()
Definition: golden_digest.cc:18
impeller::testing::GoldenDigest::AddDimension
void AddDimension(const std::string &name, const std::string &value)
Definition: golden_digest.cc:27
impeller::testing::GoldenDigest::AddImage
void AddImage(const std::string &test_name, const std::string &filename, int32_t width, int32_t height)
Definition: golden_digest.cc:34
impeller::testing::WorkingDirectory::GetFilenamePath
std::string GetFilenamePath(const std::string &filename) const
Definition: working_directory.cc:23
impeller::testing::WorkingDirectory::Instance
static WorkingDirectory * Instance()
Definition: working_directory.cc:16
dl_dispatcher.h
dl_image_impeller.h
golden_digest.h
golden_playground_test.h
IMP_AIKSTEST
#define IMP_AIKSTEST(name)
Definition: golden_playground_test_mac.cc:62
metal_screenshotter.h
impeller
Definition: allocation.cc:12
impeller::DisplayListToTexture
std::shared_ptr< Texture > DisplayListToTexture(const sk_sp< flutter::DisplayList > &display_list, ISize size, AiksContext &context, bool reset_host_buffer, bool generate_mips)
Render the provided display list to a texture with the given size.
Definition: dl_dispatcher.cc:1291
impeller::kSkipTests
static const std::vector< std::string > kSkipTests
Definition: golden_playground_test_mac.cc:69
impeller::Scalar
float Scalar
Definition: scalar.h:18
impeller::PlaygroundBackend
PlaygroundBackend
Definition: playground.h:27
impeller::PlaygroundBackend::kOpenGLES
@ kOpenGLES
impeller::PlaygroundBackend::kMetal
@ kMetal
impeller::PlaygroundBackend::kVulkan
@ kVulkan
impeller::Flags::antialiased_lines
bool antialiased_lines
When turned on DrawLine will use the experimental antialiased path.
Definition: flags.h:14
impeller::GoldenPlaygroundTest::GoldenPlaygroundTestImpl
Definition: golden_playground_test_mac.cc:115
impeller::GoldenPlaygroundTest::GoldenPlaygroundTestImpl::test_vulkan_playground
std::unique_ptr< PlaygroundImpl > test_vulkan_playground
Definition: golden_playground_test_mac.cc:116
impeller::GoldenPlaygroundTest::GoldenPlaygroundTestImpl::screenshotter
std::unique_ptr< testing::Screenshotter > screenshotter
Definition: golden_playground_test_mac.cc:118
impeller::GoldenPlaygroundTest::GoldenPlaygroundTestImpl::test_opengl_playground
std::unique_ptr< PlaygroundImpl > test_opengl_playground
Definition: golden_playground_test_mac.cc:117
impeller::GoldenPlaygroundTest::GoldenPlaygroundTestImpl::window_size
ISize window_size
Definition: golden_playground_test_mac.cc:119
impeller::PlaygroundSwitches
Definition: switches.h:16
impeller::PlaygroundSwitches::use_angle
bool use_angle
Definition: switches.h:34
impeller::PlaygroundSwitches::flags
Flags flags
Definition: switches.h:38
impeller::PlaygroundSwitches::enable_wide_gamut
bool enable_wide_gamut
Definition: switches.h:36
impeller::TPoint< Scalar >
impeller::TSize
Definition: size.h:25
typographer_context.h
typographer_context_skia.h
vulkan_screenshotter.h