impeller::RuntimeStage Class Reference

#include <runtime_stage.h>

Public Types
using	Map = std::map< RuntimeStageBackend, std::shared_ptr< RuntimeStage > >

Public Member Functions
	RuntimeStage (const fb::RuntimeStage *runtime_stage, const std::shared_ptr< fml::Mapping > &payload)
	~RuntimeStage ()
	RuntimeStage (RuntimeStage &&)
RuntimeStage &	operator= (RuntimeStage &&)
bool	IsValid () const
RuntimeShaderStage	GetShaderStage () const
const std::vector< RuntimeUniformDescription > &	GetUniforms () const
const std::string &	GetEntrypoint () const
const RuntimeUniformDescription *	GetUniform (const std::string &name) const
const std::shared_ptr< fml::Mapping > &	GetCodeMapping () const
bool	IsDirty () const
void	SetClean ()

Static Public Member Functions
static Map	DecodeRuntimeStages (const std::shared_ptr< fml::Mapping > &payload)

Detailed Description

Definition at line 20 of file runtime_stage.h.

Member Typedef Documentation

Map

using impeller::RuntimeStage::Map = std::map<RuntimeStageBackend, std::shared_ptr<RuntimeStage> >

Definition at line 22 of file runtime_stage.h.

Constructor & Destructor Documentation

RuntimeStage() [1/2]

impeller::RuntimeStage::RuntimeStage	(	const fb::RuntimeStage *	runtime_stage,
		const std::shared_ptr< fml::Mapping > &	payload
	)

Definition at line 94 of file runtime_stage.cc.

    : payload_(payload) {
  FML_DCHECK(runtime_stage);
 
  stage_ = ToShaderStage(runtime_stage->stage());
  entrypoint_ = runtime_stage->entrypoint()->str();
 
  auto* uniforms = runtime_stage->uniforms();
  if (uniforms) {
    for (auto i = uniforms->begin(), end = uniforms->end(); i != end; i++) {
      RuntimeUniformDescription desc;
      desc.name = i->name()->str();
      desc.location = i->location();
      desc.type = ToType(i->type());
      desc.dimensions = RuntimeUniformDimensions{
          static_cast<size_t>(i->rows()), static_cast<size_t>(i->columns())};
      desc.bit_width = i->bit_width();
      desc.array_elements = i->array_elements();
      uniforms_.emplace_back(std::move(desc));
    }
  }
 
  code_mapping_ = std::make_shared<fml::NonOwnedMapping>(
      runtime_stage->shader()->data(),     //
      runtime_stage->shader()->size(),     //
      [payload = payload_](auto, auto) {}  //
  );
 
  is_valid_ = true;
}

References impeller::RuntimeUniformDescription::array_elements, impeller::RuntimeUniformDescription::bit_width, impeller::RuntimeUniformDescription::dimensions, impeller::RuntimeUniformDescription::location, impeller::RuntimeUniformDescription::name, impeller::ToShaderStage(), impeller::ToType(), and impeller::RuntimeUniformDescription::type.

~RuntimeStage()

impeller::RuntimeStage::~RuntimeStage ( )

default

RuntimeStage() [2/2]

impeller::RuntimeStage::RuntimeStage ( RuntimeStage &&  )

default

Member Function Documentation

DecodeRuntimeStages()

RuntimeStage::Map impeller::RuntimeStage::DecodeRuntimeStages ( const std::shared_ptr< fml::Mapping > &  payload )

static

Definition at line 72 of file runtime_stage.cc.

                                              {
  if (payload == nullptr || !payload->GetMapping()) {
    return {};
  }
  if (!fb::RuntimeStagesBufferHasIdentifier(payload->GetMapping())) {
    return {};
  }
 
  auto raw_stages = fb::GetRuntimeStages(payload->GetMapping());
  return {
      {RuntimeStageBackend::kSkSL,
       RuntimeStageIfPresent(raw_stages->sksl(), payload)},
      {RuntimeStageBackend::kMetal,
       RuntimeStageIfPresent(raw_stages->metal(), payload)},
      {RuntimeStageBackend::kOpenGLES,
       RuntimeStageIfPresent(raw_stages->opengles(), payload)},
      {RuntimeStageBackend::kVulkan,
       RuntimeStageIfPresent(raw_stages->vulkan(), payload)},
  };
}

References impeller::kMetal, impeller::kOpenGLES, impeller::kSkSL, and impeller::kVulkan.

Referenced by impeller::PlaygroundTest::OpenAssetAsRuntimeStage(), impeller::GoldenPlaygroundTest::OpenAssetAsRuntimeStage(), and impeller::testing::TEST_P().

GetCodeMapping()

const std::shared_ptr< fml::Mapping > & impeller::RuntimeStage::GetCodeMapping

(

)

const

Definition at line 134 of file runtime_stage.cc.

                                                                    {
  return code_mapping_;
}

Referenced by impeller::RuntimeStagePlayground::RegisterStage().

GetEntrypoint()

const std::string & impeller::RuntimeStage::GetEntrypoint

(

)

const

Definition at line 153 of file runtime_stage.cc.

                                                   {
  return entrypoint_;
}

Referenced by impeller::RuntimeStagePlayground::RegisterStage().

GetShaderStage()

RuntimeShaderStage impeller::RuntimeStage::GetShaderStage

(

)

const

Definition at line 157 of file runtime_stage.cc.

                                                      {
  return stage_;
}

Referenced by impeller::RuntimeStagePlayground::RegisterStage().

GetUniform()

const RuntimeUniformDescription * impeller::RuntimeStage::GetUniform

(

const std::string &

name

)

const

Definition at line 143 of file runtime_stage.cc.

                                 {
  for (const auto& uniform : uniforms_) {
    if (uniform.name == name) {
      return &uniform;
    }
  }
  return nullptr;
}

GetUniforms()

const std::vector< RuntimeUniformDescription > & impeller::RuntimeStage::GetUniforms

(

)

const

Definition at line 138 of file runtime_stage.cc.

          {
  return uniforms_;
}

IsDirty()

bool impeller::RuntimeStage::IsDirty

(

)

const

Definition at line 161 of file runtime_stage.cc.

                                 {
  return is_dirty_;
}

IsValid()

bool impeller::RuntimeStage::IsValid

(

)

const

Definition at line 130 of file runtime_stage.cc.

                                 {
  return is_valid_;
}

operator=()

RuntimeStage & impeller::RuntimeStage::operator= ( RuntimeStage &&  )

default

SetClean()

void impeller::RuntimeStage::SetClean

(

)

Definition at line 165 of file runtime_stage.cc.

                            {
  is_dirty_ = false;
}

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

• impeller/runtime_stage/runtime_stage.h
• impeller/runtime_stage/runtime_stage.cc