| Flutter Impeller |

Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
impeller::Playground Class Referenceabstract

`#include <playground.h>`

Inheritance diagram for impeller::Playground:

## Public Types
using | SinglePassCallback = std::function< bool(RenderPass &pass)>

## Public Member Functions
| Playground (PlaygroundSwitches switches)
virtual | ~Playground ()
void | SetupContext (PlaygroundBackend backend)
void | SetupWindow ()
void | TeardownWindow ()
Point | GetCursorPosition () const
ISize | GetWindowSize () const
Point | GetContentScale () const
Scalar | GetSecondsElapsed () const
| Get the amount of time elapsed from the start of the playground's execution. More...
std::shared_ptr< Context > | GetContext () const
std::shared_ptr< Context > | MakeContext () const
bool | OpenPlaygroundHere (const Renderer::RenderCallback &render_callback)
bool | OpenPlaygroundHere (SinglePassCallback pass_callback)
std::shared_ptr< Texture > | CreateTextureForFixture (const char *fixture_name, bool enable_mipmapping=false) const
std::shared_ptr< Texture > | CreateTextureCubeForFixture (std::array< const char *, 6 > fixture_names) const
virtual std::unique_ptr< fml::Mapping > | OpenAssetAsMapping (std::string asset_name) const =0
virtual std::string | GetWindowTitle () const =0
fml::Status | SetCapabilities (const std::shared_ptr< Capabilities > &capabilities)
bool | WillRenderSomething () const

## Static Public Member Functions
static bool | ShouldOpenNewPlaygrounds ()
static std::shared_ptr< CompressedImage > | LoadFixtureImageCompressed (std::shared_ptr< fml::Mapping > mapping)
static std::optional< DecompressedImage > | DecodeImageRGBA (const std::shared_ptr< CompressedImage > &compressed)
static std::shared_ptr< Texture > | CreateTextureForMapping (const std::shared_ptr< Context > &context, std::shared_ptr< fml::Mapping > mapping, bool enable_mipmapping=false)
static bool | SupportsBackend (PlaygroundBackend backend)

## Protected Member Functions
virtual bool | ShouldKeepRendering () const
void | SetWindowSize (ISize size)

## Protected Attributes
const PlaygroundSwitches | switches_

## Detailed Description

Definition at line 50 of file playground.h.

## Member Typedef Documentation

## ◆ SinglePassCallback

using impeller::Playground::SinglePassCallback = std::function<bool(RenderPass& pass)>

Definition at line 52 of file playground.h.

## Constructor & Destructor Documentation

## ◆ Playground()

impeller::Playground::Playground | ( | PlaygroundSwitches | switches | ) |
| explicit

Definition at line 82 of file playground.cc.

82 : switches_(switches) {
83 InitializeGLFWOnce();
84 SetupSwiftshaderOnce(switches_.use_swiftshader);
85 }

References impeller::InitializeGLFWOnce(), impeller::SetupSwiftshaderOnce(), switches_, and impeller::PlaygroundSwitches::use_swiftshader.

## ◆ ~Playground()

impeller::Playground::~Playground | ( |  | ) |
| virtual default

## Member Function Documentation

## ◆ CreateTextureCubeForFixture()

std::shared_ptr< Texture > impeller::Playground::CreateTextureCubeForFixture | ( | std::array< const char *, 6 > | fixture_names | ) | const

Definition at line 462 of file playground.cc.

463 {
464 std::array<DecompressedImage, 6> images;
465 for (size_t i = 0; i < fixture_names.size(); i++) {
466 auto image = DecodeImageRGBA(
467 LoadFixtureImageCompressed(OpenAssetAsMapping(fixture_names[i])));
468 if (!image.has_value()) {
469 return nullptr;
470 }
471 images[i] = image.value();
472 }
473
474 auto texture_descriptor = TextureDescriptor{};
475 texture_descriptor.storage_mode = StorageMode::kHostVisible;
476 texture_descriptor.type = TextureType::kTextureCube;
477 texture_descriptor.format = PixelFormat::kR8G8B8A8UNormInt;
478 texture_descriptor.size = images[0].GetSize();
479 texture_descriptor.mip_count = 1u;
480
481 auto texture = renderer_->GetContext()->GetResourceAllocator()->CreateTexture(
482 texture_descriptor);
483 if (!texture) {
484 VALIDATION_LOG << "Could not allocate texture cube.";
485 return nullptr;
486 }
487 texture->SetLabel("Texture cube");
488
489 for (size_t i = 0; i < fixture_names.size(); i++) {
490 auto uploaded =
491 texture->SetContents(images[i].GetAllocation()->GetMapping(),
492 images[i].GetAllocation()->GetSize(), i);
493 if (!uploaded) {
494 VALIDATION_LOG << "Could not upload texture to device memory.";
495 return nullptr;
496 }
497 }
498
499 return texture;
500 }

References DecodeImageRGBA(), impeller::kHostVisible, impeller::kR8G8B8A8UNormInt, impeller::kTextureCube, LoadFixtureImageCompressed(), OpenAssetAsMapping(), impeller::TextureDescriptor::storage_mode, and VALIDATION_LOG.

## ◆ CreateTextureForFixture()

std::shared_ptr< Texture > impeller::Playground::CreateTextureForFixture | ( | const char * | fixture_name,
|  | bool | enable_mipmapping = `false`
| ) |  | const

Definition at line 449 of file playground.cc.

451 {
452 auto texture = CreateTextureForMapping(renderer_->GetContext(),
453 OpenAssetAsMapping(fixture_name),
454 enable_mipmapping);
455 if (texture == nullptr) {
456 return nullptr;
457 }
458 texture->SetLabel(fixture_name);
459 return texture;
460 }

References CreateTextureForMapping(), and OpenAssetAsMapping().

## ◆ CreateTextureForMapping()

std::shared_ptr< Texture > impeller::Playground::CreateTextureForMapping | ( | const std::shared_ptr< Context > & | context,
|  | std::shared_ptr< fml::Mapping > | mapping,
|  | bool | enable_mipmapping = `false`
| ) |  |
| static

Definition at line 436 of file playground.cc.

439 {
440 auto image = Playground::DecodeImageRGBA(
441 Playground::LoadFixtureImageCompressed(std::move(mapping)));
442 if (!image.has_value()) {
443 return nullptr;
444 }
445 return CreateTextureForDecompressedImage(context, image.value(),
446 enable_mipmapping);
447 }

References impeller::CreateTextureForDecompressedImage(), DecodeImageRGBA(), and LoadFixtureImageCompressed().

Referenced by impeller::GoldenPlaygroundTest::CreateTextureForFixture(), and CreateTextureForFixture().

## ◆ DecodeImageRGBA()

std::optional< DecompressedImage > impeller::Playground::DecodeImageRGBA | ( | const std::shared_ptr< CompressedImage > & | compressed | ) |
| static

Definition at line 374 of file playground.cc.

375 {
376 if (compressed == nullptr) {
377 return std::nullopt;
378 }
379 // The decoded image is immediately converted into RGBA as that format is
380 // known to be supported everywhere. For image sources that don't need 32
381 // bit pixel strides, this is overkill. Since this is a test fixture we
382 // aren't necessarily trying to eke out memory savings here and instead
383 // favor simplicity.
384 auto image = compressed->Decode().ConvertToRGBA();
385 if (!image.IsValid()) {
386 VALIDATION_LOG << "Could not decode image.";
387 return std::nullopt;
388 }
389
390 return image;
391 }

References VALIDATION_LOG.

Referenced by CreateTextureCubeForFixture(), and CreateTextureForMapping().

## ◆ GetContentScale()

Point impeller::Playground::GetContentScale | ( |  | ) | const

Definition at line 186 of file playground.cc.

186 {
187 return impl_->GetContentScale();
188 }

Referenced by impeller::testing::CanRenderConicalGradientWithDithering(), impeller::testing::CanRenderSweepGradientWithDithering(), and impeller::testing::MaskBlurVariantTest().

## ◆ GetContext()

std::shared_ptr< Context > impeller::Playground::GetContext | ( |  | ) | const

Definition at line 89 of file playground.cc.

89 {
90 return context_;
91 }

Referenced by impeller::EntityPlayground::GetContentContext(), impeller::testing::RendererDartTest::GetIsolate(), impeller::DlPlayground::OpenPlaygroundHere(), impeller::EntityPlayground::OpenPlaygroundHere(), impeller::AiksPlayground::OpenPlaygroundHere(), OpenPlaygroundHere(), and impeller::RuntimeStagePlayground::RegisterStage().

## ◆ GetCursorPosition()

Point impeller::Playground::GetCursorPosition | ( |  | ) | const

Definition at line 178 of file playground.cc.

178 {
179 return cursor_position_;
180 }

## ◆ GetSecondsElapsed()

Scalar impeller::Playground::GetSecondsElapsed | ( |  | ) | const

Get the amount of time elapsed from the start of the playground's execution.

Definition at line 190 of file playground.cc.

190 {
191 return (fml::TimePoint::Now().ToEpochDelta() - start_time_).ToSecondsF();
192 }

## ◆ GetWindowSize()

ISize impeller::Playground::GetWindowSize | ( |  | ) | const

Definition at line 182 of file playground.cc.

182 {
183 return window_size_;
184 }

Referenced by OpenPlaygroundHere().

## ◆ GetWindowTitle()

virtual std::string impeller::Playground::GetWindowTitle | ( |  | ) | const
| pure virtual

Implemented in impeller::PlaygroundTest, and impeller::ComputePlaygroundTest.

Referenced by OpenPlaygroundHere().

## ◆ LoadFixtureImageCompressed()

std::shared_ptr< CompressedImage > impeller::Playground::LoadFixtureImageCompressed | ( | std::shared_ptr< fml::Mapping > | mapping | ) |
| static

Definition at line 363 of file playground.cc.

364 {
365 auto compressed_image = CompressedImageSkia::Create(std::move(mapping));
366 if (!compressed_image) {
367 VALIDATION_LOG << "Could not create compressed image.";
368 return nullptr;
369 }
370
371 return compressed_image;
372 }

References impeller::CompressedImageSkia::Create(), and VALIDATION_LOG.

Referenced by CreateTextureCubeForFixture(), and CreateTextureForMapping().

## ◆ MakeContext()

std::shared_ptr< Context > impeller::Playground::MakeContext | ( |  | ) | const

Definition at line 93 of file playground.cc.

93 {
94 // Playgrounds are already making a context for each test, so we can just
95 // return the `context_`.
96 return context_;
97 }

## ◆ OpenAssetAsMapping()

virtual std::unique_ptr<fml::Mapping> impeller::Playground::OpenAssetAsMapping | ( | std::string | asset_name | ) | const
| pure virtual

Implemented in impeller::PlaygroundTest, and impeller::ComputePlaygroundTest.

Referenced by CreateTextureCubeForFixture(), and CreateTextureForFixture().

## ◆ OpenPlaygroundHere() [1/2]

bool impeller::Playground::OpenPlaygroundHere | ( | const Renderer::RenderCallback & | render_callback | ) |

Definition at line 198 of file playground.cc.

199 {
200 if (!switches_.enable_playground) {
201 return true;
202 }
203
204 if (!render_callback) {
205 return true;
206 }
207
208 if (!renderer_ || !renderer_->IsValid()) {
209 return false;
210 }
211
212 IMGUI_CHECKVERSION();
213 ImGui::CreateContext();
214 fml::ScopedCleanupClosure destroy_imgui_context(
215 []() { ImGui::DestroyContext(); });
216 ImGui::StyleColorsDark();
217
218 auto& io = ImGui::GetIO();
219 io.IniFilename = nullptr;
220 io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
221 io.ConfigWindowsResizeFromEdges = true;
222
223 auto window = reinterpret_cast<GLFWwindow*>(impl_->GetWindowHandle());
224 if (!window) {
225 return false;
226 }
227 ::glfwSetWindowTitle(window, GetWindowTitle().c_str());
228 ::glfwSetWindowUserPointer(window, this);
229 ::glfwSetWindowSizeCallback(
230 window, [](GLFWwindow* window, int width, int height) -> void {
231 auto playground =
232 reinterpret_cast<Playground*>(::glfwGetWindowUserPointer(window));
233 if (!playground) {
234 return;
235 }
236 playground->SetWindowSize(ISize{width, height}.Max({}));
237 });
238 ::glfwSetKeyCallback(window, &PlaygroundKeyCallback);
239 ::glfwSetCursorPosCallback(window, [](GLFWwindow* window, double x,
240 double y) {
241 reinterpret_cast<Playground*>(::glfwGetWindowUserPointer(window))
242 ->SetCursorPosition({static_cast<Scalar>(x), static_cast<Scalar>(y)});
243 });
244
245 ImGui_ImplGlfw_InitForOther(window, true);
246 fml::ScopedCleanupClosure shutdown_imgui([]() { ImGui_ImplGlfw_Shutdown(); });
247
248 ImGui_ImplImpeller_Init(renderer_->GetContext());
249 fml::ScopedCleanupClosure shutdown_imgui_impeller(
250 []() { ImGui_ImplImpeller_Shutdown(); });
251
252 ImGui::SetNextWindowPos({10, 10});
253
254 ::glfwSetWindowSize(window, GetWindowSize().width, GetWindowSize().height);
255 ::glfwSetWindowPos(window, 200, 100);
256 ::glfwShowWindow(window);
257
258 while (true) {
259 #if FML_OS_MACOSX
260 fml::ScopedNSAutoreleasePool pool;
261 #endif
262 ::glfwPollEvents();
263
264 if (::glfwWindowShouldClose(window)) {
265 return true;
266 }
267
268 ImGui_ImplGlfw_NewFrame();
269
270 Renderer::RenderCallback wrapped_callback =
271 [render_callback,
272 &renderer = renderer_](RenderTarget& render_target) -> bool {
273 ImGui::NewFrame();
274 ImGui::DockSpaceOverViewport(ImGui::GetMainViewport(),
275 ImGuiDockNodeFlags_PassthruCentralNode);
276 bool result = render_callback(render_target);
277 ImGui::Render();
278
279 // Render ImGui overlay.
280 {
281 auto buffer = renderer->GetContext()->CreateCommandBuffer();
282 if (!buffer) {
283 return false;
284 }
285 buffer->SetLabel("ImGui Command Buffer");
286
287 if (render_target.GetColorAttachments().empty()) {
288 return false;
289 }
290
291 auto color0 = render_target.GetColorAttachments().find(0)->second;
292 color0.load_action = LoadAction::kLoad;
293 if (color0.resolve_texture) {
294 color0.texture = color0.resolve_texture;
295 color0.resolve_texture = nullptr;
296 color0.store_action = StoreAction::kStore;
297 }
298 render_target.SetColorAttachment(color0, 0);
299
300 render_target.SetStencilAttachment(std::nullopt);
301 render_target.SetDepthAttachment(std::nullopt);
302
303 auto pass = buffer->CreateRenderPass(render_target);
304 if (!pass) {
305 return false;
306 }
307 pass->SetLabel("ImGui Render Pass");
308
309 ImGui_ImplImpeller_RenderDrawData(ImGui::GetDrawData(), *pass);
310
311 pass->EncodeCommands();
312 if (!renderer->GetContext()->GetCommandQueue()->Submit({buffer}).ok()) {
313 return false;
314 }
315 }
316
317 return result;
318 };
319
320 if (!renderer_->Render(impl_->AcquireSurfaceFrame(renderer_->GetContext()),
321 wrapped_callback)) {
322 VALIDATION_LOG << "Could not render into the surface.";
323 return false;
324 }
325
326 if (!ShouldKeepRendering()) {
327 break;
328 }
329 }
330
331 ::glfwHideWindow(window);
332
333 return true;
334 }

References impeller::PlaygroundSwitches::enable_playground, GetWindowSize(), GetWindowTitle(), ImGui_ImplImpeller_Init(), ImGui_ImplImpeller_RenderDrawData(), ImGui_ImplImpeller_Shutdown(), impeller::kLoad, impeller::kStore, impeller::TSize< T >::Max(), impeller::PlaygroundKeyCallback(), SetWindowSize(), ShouldKeepRendering(), switches_, and VALIDATION_LOG.

Referenced by impeller::DlPlayground::OpenPlaygroundHere(), impeller::EntityPlayground::OpenPlaygroundHere(), impeller::AiksPlayground::OpenPlaygroundHere(), and OpenPlaygroundHere().

## ◆ OpenPlaygroundHere() [2/2]

bool impeller::Playground::OpenPlaygroundHere | ( | SinglePassCallback | pass_callback | ) |

Definition at line 336 of file playground.cc.

336 {
337 return OpenPlaygroundHere(
338 [context = GetContext(), &pass_callback](RenderTarget& render_target) {
339 auto buffer = context->CreateCommandBuffer();
340 if (!buffer) {
341 return false;
342 }
343 buffer->SetLabel("Playground Command Buffer");
344
345 auto pass = buffer->CreateRenderPass(render_target);
346 if (!pass) {
347 return false;
348 }
349 pass->SetLabel("Playground Render Pass");
350
351 if (!pass_callback(*pass)) {
352 return false;
353 }
354
355 pass->EncodeCommands();
356 if (!context->GetCommandQueue()->Submit({buffer}).ok()) {
357 return false;
358 }
359 return true;
360 });
361 }

References GetContext(), and OpenPlaygroundHere().

## ◆ SetCapabilities()

fml::Status impeller::Playground::SetCapabilities | ( | const std::shared_ptr< Capabilities > & | capabilities | ) |

Definition at line 510 of file playground.cc.

511 {
512 return impl_->SetCapabilities(capabilities);
513 }

## ◆ SetupContext()

void impeller::Playground::SetupContext | ( | PlaygroundBackend | backend | ) |

Definition at line 123 of file playground.cc.

123 {
124 FML_CHECK(SupportsBackend(backend));
125
126 impl_ = PlaygroundImpl::Create(backend, switches_);
127 if (!impl_) {
128 FML_LOG(WARNING) << "PlaygroundImpl::Create failed.";
129 return;
130 }
131
132 context_ = impl_->GetContext();
133 }

References impeller::PlaygroundImpl::Create(), SupportsBackend(), and switches_.

Referenced by impeller::ComputePlaygroundTest::SetUp(), and impeller::PlaygroundTest::SetUp().

## ◆ SetupWindow()

void impeller::Playground::SetupWindow | ( |  | ) |

Definition at line 135 of file playground.cc.

135 {
136 if (!context_) {
137 FML_LOG(WARNING) << "Asked to set up a window with no context (call "
138 "SetupContext first).";
139 return;
140 }
141 auto renderer = std::make_unique<Renderer>(context_);
142 if (!renderer->IsValid()) {
143 return;
144 }
145 renderer_ = std::move(renderer);
146
147 start_time_ = fml::TimePoint::Now().ToEpochDelta();
148 }

Referenced by impeller::ComputePlaygroundTest::SetUp(), and impeller::PlaygroundTest::SetUp().

## ◆ SetWindowSize()

void impeller::Playground::SetWindowSize | ( | ISize | size | ) |
| protected

Definition at line 502 of file playground.cc.

502 {
503 window_size_ = size;
504 }

Referenced by OpenPlaygroundHere().

## ◆ ShouldKeepRendering()

bool impeller::Playground::ShouldKeepRendering | ( |  | ) | const
| protected virtual

Definition at line 506 of file playground.cc.

506 {
507 return true;
508 }

Referenced by OpenPlaygroundHere().

## ◆ ShouldOpenNewPlaygrounds()

bool impeller::Playground::ShouldOpenNewPlaygrounds | ( |  | ) |
| static

Definition at line 161 of file playground.cc.

161 {
162 return gShouldOpenNewPlaygrounds;
163 }

References impeller::gShouldOpenNewPlaygrounds.

Referenced by impeller::ComputePlaygroundTest::SetUp(), and impeller::PlaygroundTest::SetUp().

## ◆ SupportsBackend()

bool impeller::Playground::SupportsBackend | ( | PlaygroundBackend | backend | ) |
| static

Definition at line 99 of file playground.cc.

99 {
100 switch (backend) {
101 case PlaygroundBackend::kMetal:
102 #if IMPELLER_ENABLE_METAL
103 return true;
104 #else // IMPELLER_ENABLE_METAL
105 return false;
106 #endif // IMPELLER_ENABLE_METAL
107 case PlaygroundBackend::kOpenGLES:
108 #if IMPELLER_ENABLE_OPENGLES
109 return true;
110 #else // IMPELLER_ENABLE_OPENGLES
111 return false;
112 #endif // IMPELLER_ENABLE_OPENGLES
113 case PlaygroundBackend::kVulkan:
114 #if IMPELLER_ENABLE_VULKAN
115 return PlaygroundImplVK::IsVulkanDriverPresent();
116 #else // IMPELLER_ENABLE_VULKAN
117 return false;
118 #endif // IMPELLER_ENABLE_VULKAN
119 }
120 FML_UNREACHABLE();
121 }

References impeller::PlaygroundImplVK::IsVulkanDriverPresent(), impeller::kMetal, impeller::kOpenGLES, and impeller::kVulkan.

Referenced by impeller::ComputePlaygroundTest::SetUp(), impeller::PlaygroundTest::SetUp(), and SetupContext().

## ◆ TeardownWindow()

void impeller::Playground::TeardownWindow | ( |  | ) |

Definition at line 150 of file playground.cc.

150 {
151 if (context_) {
152 context_->Shutdown();
153 }
154 context_.reset();
155 renderer_.reset();
156 impl_.reset();
157 }

Referenced by impeller::ComputePlaygroundTest::TearDown(), and impeller::PlaygroundTest::TearDown().

## ◆ WillRenderSomething()

bool impeller::Playground::WillRenderSomething | ( |  | ) | const

TODO(https://github.com/flutter/flutter/issues/139950): Remove this. Returns true if `OpenPlaygroundHere` will actually render anything.

Definition at line 515 of file playground.cc.

515 {
516 return switches_.enable_playground;
517 }

References impeller::PlaygroundSwitches::enable_playground, and switches_.

## Member Data Documentation

## ◆ switches_

const PlaygroundSwitches impeller::Playground::switches_
| protected

Definition at line 117 of file playground.h.

Referenced by impeller::PlaygroundTest::GetWindowTitle(), impeller::DlPlayground::OpenPlaygroundHere(), impeller::EntityPlayground::OpenPlaygroundHere(), impeller::AiksPlayground::OpenPlaygroundHere(), OpenPlaygroundHere(), Playground(), SetupContext(), and WillRenderSomething().

The documentation for this class was generated from the following files:

- impeller/playground/playground.h
- impeller/playground/playground.cc

impeller::PlaygroundImplVK::IsVulkanDriverPresent
static bool IsVulkanDriverPresent()
Definition: playground_impl_vk.cc:216
impeller::LoadAction::kLoad
@ kLoad
impeller::PlaygroundBackend::kVulkan
@ kVulkan
impeller::CreateTextureForDecompressedImage
static std::shared_ptr< Texture > CreateTextureForDecompressedImage(const std::shared_ptr< Context > &context, DecompressedImage &decompressed_image, bool enable_mipmapping)
Definition: playground.cc:393
impeller::Scalar
float Scalar
Definition: scalar.h:18
impeller::Playground::ShouldKeepRendering
virtual bool ShouldKeepRendering() const
Definition: playground.cc:506
impeller::Renderer::RenderCallback
std::function< bool(RenderTarget &render_target)> RenderCallback
Definition: renderer.h:23
impeller::Playground::DecodeImageRGBA
static std::optional< DecompressedImage > DecodeImageRGBA(const std::shared_ptr< CompressedImage > &compressed)
Definition: playground.cc:374
impeller::Playground::GetWindowSize
ISize GetWindowSize() const
Definition: playground.cc:182
impeller::PlaygroundBackend::kMetal
@ kMetal
impeller::PixelFormat::kR8G8B8A8UNormInt
@ kR8G8B8A8UNormInt
impeller::PlaygroundKeyCallback
static void PlaygroundKeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods)
Definition: playground.cc:165
impeller::CompressedImageSkia::Create
static std::shared_ptr< CompressedImage > Create(std::shared_ptr< const fml::Mapping > allocation)
Definition: compressed_image_skia.cc:18
impeller::StorageMode::kHostVisible
@ kHostVisible
impeller::PlaygroundSwitches::use_swiftshader
bool use_swiftshader
Definition: switches.h:28
impeller::gShouldOpenNewPlaygrounds
static std::atomic_bool gShouldOpenNewPlaygrounds
Definition: playground.cc:159
impeller::TSize::Max
constexpr TSize Max(const TSize &o) const
Definition: size.h:81
impeller::InitializeGLFWOnce
static void InitializeGLFWOnce()
Definition: playground.cc:56
impeller::Playground::switches_
const PlaygroundSwitches switches_
Definition: playground.h:117
impeller::TextureType::kTextureCube
@ kTextureCube
impeller::StoreAction::kStore
@ kStore
impeller::PlaygroundImpl::Create
static std::unique_ptr< PlaygroundImpl > Create(PlaygroundBackend backend, PlaygroundSwitches switches)
Definition: playground_impl.cc:25
impeller::ISize
TSize< int64_t > ISize
Definition: size.h:138
ImGui_ImplImpeller_Shutdown
void ImGui_ImplImpeller_Shutdown()
Definition: imgui_impl_impeller.cc:119
VALIDATION_LOG
#define VALIDATION_LOG
Definition: validation.h:73
ImGui_ImplImpeller_RenderDrawData
void ImGui_ImplImpeller_RenderDrawData(ImDrawData *draw_data, impeller::RenderPass &render_pass)
Definition: imgui_impl_impeller.cc:126
impeller::PlaygroundBackend::kOpenGLES
@ kOpenGLES
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:436
impeller::Playground::LoadFixtureImageCompressed
static std::shared_ptr< CompressedImage > LoadFixtureImageCompressed(std::shared_ptr< fml::Mapping > mapping)
Definition: playground.cc:363
impeller::Playground::GetWindowTitle
virtual std::string GetWindowTitle() const =0
impeller::Playground::OpenAssetAsMapping
virtual std::unique_ptr< fml::Mapping > OpenAssetAsMapping(std::string asset_name) const =0
impeller::SetupSwiftshaderOnce
void SetupSwiftshaderOnce(bool use_swiftshader)
Find and setup the installable client driver for a locally built SwiftShader at known paths....
Definition: swiftshader_utilities.cc:54
impeller::Playground::SupportsBackend
static bool SupportsBackend(PlaygroundBackend backend)
Definition: playground.cc:99
impeller::Playground::OpenPlaygroundHere
bool OpenPlaygroundHere(const Renderer::RenderCallback &render_callback)
Definition: playground.cc:198
ImGui_ImplImpeller_Init
bool ImGui_ImplImpeller_Init(const std::shared_ptr< impeller::Context > &context)
Definition: imgui_impl_impeller.cc:56
impeller::Playground::Playground
Playground(PlaygroundSwitches switches)
Definition: playground.cc:82
impeller::Playground::GetContext
std::shared_ptr< Context > GetContext() const
Definition: playground.cc:89
impeller::PlaygroundSwitches::enable_playground
bool enable_playground
Definition: switches.h:17