#include <context_gles.h>

Inheritance diagram for impeller::ContextGLES:

Public Member Functions
	~ContextGLES () override

BackendType	GetBackendType () const override
	Get the graphics backend of an Impeller context. More...

const ReactorGLES::Ref &	GetReactor () const

std::optional< ReactorGLES::WorkerID >	AddReactorWorker (const std::shared_ptr< ReactorGLES::Worker > &worker)

bool	RemoveReactorWorker (ReactorGLES::WorkerID id)

std::shared_ptr< GPUTracerGLES >	GetGPUTracer () const

Public Member Functions inherited from impeller::Context
virtual	~Context ()
	Destroys an Impeller context. More...

virtual BackendType	GetBackendType () const =0
	Get the graphics backend of an Impeller context. More...

virtual std::string	DescribeGpuModel () const =0

virtual bool	IsValid () const =0
	Determines if a context is valid. If the caller ever receives an invalid context, they must discard it and construct a new context. There is no recovery mechanism to repair a bad context. More...

virtual const std::shared_ptr< const Capabilities > &	GetCapabilities () const =0
	Get the capabilities of Impeller context. All optionally supported feature of the platform, client-rendering API, and device can be queried using the `Capabilities`. More...

virtual bool	UpdateOffscreenLayerPixelFormat (PixelFormat format)

virtual std::shared_ptr< Allocator >	GetResourceAllocator () const =0
	Returns the allocator used to create textures and buffers on the device. More...

virtual std::shared_ptr< ShaderLibrary >	GetShaderLibrary () const =0
	Returns the library of shaders used to specify the programmable stages of a pipeline. More...

virtual std::shared_ptr< SamplerLibrary >	GetSamplerLibrary () const =0
	Returns the library of combined image samplers used in shaders. More...

virtual std::shared_ptr< PipelineLibrary >	GetPipelineLibrary () const =0
	Returns the library of pipelines used by render or compute commands. More...

virtual std::shared_ptr< CommandBuffer >	CreateCommandBuffer () const =0
	Create a new command buffer. Command buffers can be used to encode graphics, blit, or compute commands to be submitted to the device. More...

virtual std::shared_ptr< CommandQueue >	GetCommandQueue () const =0
	Return the graphics queue for submitting command buffers. More...

virtual void	Shutdown ()=0
	Force all pending asynchronous work to finish. This is achieved by deleting all owned concurrent message loops. More...

virtual void	StoreTaskForGPU (const std::function< void()> &task)

virtual void	InitializeCommonlyUsedShadersIfNeeded () const

Static Public Member Functions
static std::shared_ptr< ContextGLES >	Create (std::unique_ptr< ProcTableGLES > gl, const std::vector< std::shared_ptr< fml::Mapping > > &shader_libraries, bool enable_gpu_tracing)

Static Public Member Functions inherited from impeller::BackendCast< ContextGLES, Context >
static ContextGLES &	Cast (Context &base)

static const ContextGLES &	Cast (const Context &base)

static ContextGLES *	Cast (Context *base)

static const ContextGLES *	Cast (const Context *base)

Additional Inherited Members
Public Types inherited from impeller::Context
enum class	BackendType { kMetal , kOpenGLES , kVulkan }

Static Public Attributes inherited from impeller::Context
static constexpr int32_t	kMaxTasksAwaitingGPU = 10

Protected Member Functions inherited from impeller::Context
	Context ()

Protected Attributes inherited from impeller::Context
std::vector< std::function< void()> >	per_frame_task_

Detailed Description

Definition at line 22 of file context_gles.h.

Constructor & Destructor Documentation

◆ ~ContextGLES()

impeller::ContextGLES::~ContextGLES ( )

overridedefault

Member Function Documentation

◆ AddReactorWorker()

std::optional< ReactorGLES::WorkerID > impeller::ContextGLES::AddReactorWorker ( const std::shared_ptr< ReactorGLES::Worker > & worker )

Definition at line 85 of file context_gles.cc.

                                                    {
  if (!IsValid()) {
    return std::nullopt;
  }
  return reactor_->AddWorker(worker);
}

◆ Create()

std::shared_ptr< ContextGLES > impeller::ContextGLES::Create	(	std::unique_ptr< ProcTableGLES >	gl,
		const std::vector< std::shared_ptr< fml::Mapping > > &	shader_libraries,
		bool	enable_gpu_tracing
	)

static

Definition at line 16 of file context_gles.cc.

                             {
  return std::shared_ptr<ContextGLES>(
      new ContextGLES(std::move(gl), shader_libraries, enable_gpu_tracing));
}

◆ GetBackendType()

Context::BackendType impeller::ContextGLES::GetBackendType ( ) const

overridevirtual

Get the graphics backend of an Impeller context.

        This is useful for cases where a renderer needs to track and
        lookup backend-specific resources, like shaders or uniform
        layout information.

        It's not recommended to use this as a substitute for
        per-backend capability checking. Instead, check for specific
        capabilities via `GetCapabilities()`.

Returns: The graphics backend of the Context.

Implements impeller::Context.

Definition at line 77 of file context_gles.cc.

                                                     {
  return Context::BackendType::kOpenGLES;
}

◆ GetGPUTracer()

std::shared_ptr< GPUTracerGLES > impeller::ContextGLES::GetGPUTracer ( ) const

inline

Definition at line 44 of file context_gles.h.

44{ return gpu_tracer_; }

◆ GetReactor()

const ReactorGLES::Ref & impeller::ContextGLES::GetReactor ( ) const

Definition at line 81 of file context_gles.cc.

                                                    {
  return reactor_;
}

◆ RemoveReactorWorker()

bool impeller::ContextGLES::RemoveReactorWorker ( ReactorGLES::WorkerID id )

Definition at line 93 of file context_gles.cc.

                                                            {
  if (!IsValid()) {
    return false;
  }
  return reactor_->RemoveWorker(id);
}

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

impeller/renderer/backend/gles/context_gles.h
impeller/renderer/backend/gles/context_gles.cc

Public Member Functions

Static Public Member Functions

Additional Inherited Members