flutter::SnapshotControllerImpeller Class Reference

#include <snapshot_controller_impeller.h>

Inheritance diagram for flutter::SnapshotControllerImpeller:

Public Member Functions
	SnapshotControllerImpeller (const SnapshotController::Delegate &delegate)
void	MakeRasterSnapshot (sk_sp< DisplayList > display_list, DlISize picture_size, std::function< void(const sk_sp< DlImage > &)> callback) override
sk_sp< DlImage >	MakeRasterSnapshotSync (sk_sp< DisplayList > display_list, DlISize picture_size) override
sk_sp< SkImage >	ConvertToRasterImage (sk_sp< SkImage > image) override
void	CacheRuntimeStage (const std::shared_ptr< impeller::RuntimeStage > &runtime_stage) override
virtual bool	MakeRenderContextCurrent () override
Public Member Functions inherited from flutter::SnapshotController
virtual	~SnapshotController ()=default

Additional Inherited Members
Static Public Member Functions inherited from flutter::SnapshotController
static std::unique_ptr< SnapshotController >	Make (const Delegate &delegate, const Settings &settings)
Protected Member Functions inherited from flutter::SnapshotController
	SnapshotController (const Delegate &delegate)
const Delegate &	GetDelegate ()

Detailed Description

Definition at line 13 of file snapshot_controller_impeller.h.

Constructor & Destructor Documentation

SnapshotControllerImpeller()

flutter::SnapshotControllerImpeller::SnapshotControllerImpeller ( const SnapshotController::Delegate &  delegate )

inlineexplicit

Definition at line 15 of file snapshot_controller_impeller.h.

      : SnapshotController(delegate) {}

Member Function Documentation

CacheRuntimeStage()

void flutter::SnapshotControllerImpeller::CacheRuntimeStage ( const std::shared_ptr< impeller::RuntimeStage > &  runtime_stage )

overridevirtual

Implements flutter::SnapshotController.

Definition at line 147 of file snapshot_controller_impeller.cc.

                                                              {
  if (!GetDelegate().IsAiksContextInitialized()) {
    return;
  }
  auto context = GetDelegate().GetAiksContext();
  if (!context) {
    return;
  }
  impeller::RuntimeEffectContents runtime_effect;
  runtime_effect.SetRuntimeStage(runtime_stage);
  runtime_effect.BootstrapShader(context->GetContentContext());
}

References impeller::RuntimeEffectContents::BootstrapShader(), flutter::SnapshotController::Delegate::GetAiksContext(), flutter::SnapshotController::GetDelegate(), and impeller::RuntimeEffectContents::SetRuntimeStage().

ConvertToRasterImage()

sk_sp< SkImage > flutter::SnapshotControllerImpeller::ConvertToRasterImage ( sk_sp< SkImage >  image )

overridevirtual

Implements flutter::SnapshotController.

Definition at line 161 of file snapshot_controller_impeller.cc.

                          {
  FML_UNREACHABLE();
}

References FML_UNREACHABLE.

MakeRasterSnapshot()

void flutter::SnapshotControllerImpeller::MakeRasterSnapshot ( sk_sp< DisplayList >  display_list, DlISize  picture_size, std::function< void(const sk_sp< DlImage > &)>  callback  )

overridevirtual

Implements flutter::SnapshotController.

Definition at line 97 of file snapshot_controller_impeller.cc.

                                                       {
  std::shared_ptr<const fml::SyncSwitch> sync_switch =
      GetDelegate().GetIsGpuDisabledSyncSwitch();
  sync_switch->Execute(
      fml::SyncSwitch::Handlers()
          .SetIfTrue([&] {
            std::shared_ptr<impeller::AiksContext> context =
                GetDelegate().GetAiksContext();
            if (context) {
              context->GetContext()->StoreTaskForGPU(
                  [context, sync_switch, display_list = std::move(display_list),
                   picture_size, callback] {
                    callback(DoMakeRasterSnapshot(display_list, picture_size,
                                                  sync_switch, context));
                  },
                  [callback]() { callback(nullptr); });
            } else {
#if FML_OS_IOS_SIMULATOR
              callback(impeller::DlImageImpeller::Make(
                  nullptr, DlImage::OwningContext::kRaster,
                  /*is_fake_image=*/true));
#else
              callback(nullptr);
 
#endif  // FML_OS_IOS_SIMULATOR
            }
          })
          .SetIfFalse([&] {
#if FML_OS_IOS_SIMULATOR
            if (!GetDelegate().GetAiksContext()) {
              callback(impeller::DlImageImpeller::Make(
                  nullptr, DlImage::OwningContext::kRaster,
                  /*is_fake_image=*/true));
              return;
            }
#endif
            callback(DoMakeRasterSnapshot(display_list, picture_size,
                                          GetDelegate()));
          }));
}

References callback, flutter::SnapshotController::Delegate::GetAiksContext(), flutter::SnapshotController::GetDelegate(), flutter::SnapshotController::Delegate::GetIsGpuDisabledSyncSwitch(), flutter::DlImage::kRaster, and impeller::DlImageImpeller::Make().

MakeRasterSnapshotSync()

sk_sp< DlImage > flutter::SnapshotControllerImpeller::MakeRasterSnapshotSync ( sk_sp< DisplayList >  display_list, DlISize  picture_size  )

overridevirtual

Implements flutter::SnapshotController.

Definition at line 141 of file snapshot_controller_impeller.cc.

                          {
  return DoMakeRasterSnapshot(display_list, picture_size, GetDelegate());
}

References flutter::SnapshotController::GetDelegate().

MakeRenderContextCurrent()

bool flutter::SnapshotControllerImpeller::MakeRenderContextCurrent ( )

overridevirtual

Implements flutter::SnapshotController.

Definition at line 166 of file snapshot_controller_impeller.cc.

                                                          {
  const std::unique_ptr<Surface>& surface = GetDelegate().GetSurface();
  if (!surface) {
    // Some backends (such as Metal) can operate without a surface and do not
    // require MakeRenderContextCurrent.
    return true;
  }
  return surface->MakeRenderContextCurrent()->GetResult();
}

References flutter::SnapshotController::GetDelegate(), flutter::SnapshotController::Delegate::GetSurface(), and surface.

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

• shell/common/snapshot_controller_impeller.h
• shell/common/snapshot_controller_impeller.cc