impeller::interop::Surface Class Reference

#include <surface.h>

Inheritance diagram for impeller::interop::Surface:

Public Member Functions
	Surface (Context &context, std::shared_ptr< impeller::Surface > surface)
	~Surface () override
	Surface (const Surface &)=delete
Surface &	operator= (const Surface &)=delete
bool	IsValid () const
bool	DrawDisplayList (const DisplayList &dl) const
Public Member Functions inherited from impeller::interop::ObjectBase
	ObjectBase ()=default
virtual	~ObjectBase ()=default
	ObjectBase (const ObjectBase &)=delete
	ObjectBase (ObjectBase &&)=delete
ObjectBase &	operator= (const ObjectBase &)=delete
ObjectBase &	operator= (ObjectBase &&)=delete
void	Retain ()
void	Release ()
uint64_t	GetRefCountForTests () const

Static Public Member Functions
static ScopedObject< Surface >	WrapFBO (Context &context, uint64_t fbo, PixelFormat color_format, ISize size)
Static Public Member Functions inherited from impeller::interop::ObjectBase
static void	SafeRetain (void *ptr)
static void	SafeRelease (void *ptr)

Additional Inherited Members
Public Types inherited from impeller::interop::Object< Surface, IMPELLER_INTERNAL_HANDLE_NAME(ImpellerSurface)>
using	InteropClass = Surface
using	InteropCSibling = IMPELLER_INTERNAL_HANDLE_NAME(ImpellerSurface)

Detailed Description

Definition at line 18 of file surface.h.

Constructor & Destructor Documentation

Surface() [1/2]

impeller::interop::Surface::Surface ( Context &  context, std::shared_ptr< impeller::Surface >  surface  )

explicit

Definition at line 15 of file surface.cc.

    : context_(Ref(&context)), surface_(std::move(surface)) {
  is_valid_ =
      context_ && context_->IsValid() && surface_ && surface_->IsValid();
}

~Surface()

impeller::interop::Surface::~Surface ( )

overridedefault

Surface() [2/2]

impeller::interop::Surface::Surface ( const Surface &  )

delete

Member Function Documentation

DrawDisplayList()

bool impeller::interop::Surface::DrawDisplayList

(

const DisplayList &

dl

)

const

Definition at line 52 of file surface.cc.

                                                         {
  if (!IsValid() || !dl.IsValid()) {
    return false;
  }
 
  auto display_list = dl.GetDisplayList();
  auto& content_context = context_->GetAiksContext().GetContentContext();
  auto render_target = surface_->GetRenderTarget();
 
  const auto cull_rect = IRect::MakeSize(surface_->GetSize());
  auto skia_cull_rect =
      SkIRect::MakeWH(cull_rect.GetWidth(), cull_rect.GetHeight());
 
  auto result = RenderToTarget(content_context, render_target, display_list,
                               skia_cull_rect, /*reset_host_buffer=*/true);
  context_->GetContext()->ResetThreadLocalState();
  return result;
}

References impeller::interop::DisplayList::GetDisplayList(), impeller::interop::DisplayList::IsValid(), IsValid(), impeller::TRect< T >::MakeSize(), and impeller::RenderToTarget().

IsValid()

bool impeller::interop::Surface::IsValid

(

)

const

Definition at line 48 of file surface.cc.

                            {
  return is_valid_;
}

Referenced by DrawDisplayList().

operator=()

Surface& impeller::interop::Surface::operator= ( const Surface &  )

delete

WrapFBO()

ScopedObject< Surface > impeller::interop::Surface::WrapFBO ( Context &  context, uint64_t  fbo, PixelFormat  color_format, ISize  size  )

static

Definition at line 23 of file surface.cc.

                                                   {
  if (context.GetContext()->GetBackendType() !=
      impeller::Context::BackendType::kOpenGLES) {
    VALIDATION_LOG << "Context is not OpenGL ES based.";
    return nullptr;
  }
 
  auto impeller_surface = impeller::SurfaceGLES::WrapFBO(
      context.GetContext(), []() { return true; }, fbo, color_format, size);
  if (!impeller_surface || !impeller_surface->IsValid()) {
    VALIDATION_LOG << "Could not wrap FBO as a surface";
    return nullptr;
  }
 
  auto surface = Create<Surface>(context, std::move(impeller_surface));
  if (!surface->IsValid()) {
    VALIDATION_LOG << "Could not create valid surface.";
    return nullptr;
  }
  return surface;
}

References impeller::interop::Context::GetContext(), impeller::Context::kOpenGLES, VALIDATION_LOG, and impeller::SurfaceGLES::WrapFBO().

Referenced by impeller::interop::ImpellerSurfaceCreateWrappedFBONew().

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

• impeller/toolkit/interop/surface.h
• impeller/toolkit/interop/surface.cc