flutter::EmbedderExternalTextureGL Class Reference

#include <embedder_external_texture_gl.h>

Inheritance diagram for flutter::EmbedderExternalTextureGL:

Public Types
using	ExternalTextureCallback = std::function< std::unique_ptr< FlutterOpenGLTexture >(int64_t, size_t, size_t)>

Public Member Functions
	EmbedderExternalTextureGL (int64_t texture_identifier, const ExternalTextureCallback &callback)
	~EmbedderExternalTextureGL ()
Public Member Functions inherited from flutter::Texture
	Texture (int64_t id)
virtual	~Texture ()
int64_t	Id ()
Public Member Functions inherited from flutter::ContextListener
	ContextListener ()
	~ContextListener ()

Private Member Functions
void	Paint (PaintContext &context, const SkRect &bounds, bool freeze, const DlImageSampling sampling) override
void	OnGrContextCreated () override
void	OnGrContextDestroyed () override
void	MarkNewFrameAvailable () override
void	OnTextureUnregistered () override

Detailed Description

Definition at line 15 of file embedder_external_texture_gl.h.

Member Typedef Documentation

ExternalTextureCallback

using flutter::EmbedderExternalTextureGL::ExternalTextureCallback = std::function< std::unique_ptr<FlutterOpenGLTexture>(int64_t, size_t, size_t)>

Definition at line 17 of file embedder_external_texture_gl.h.

Constructor & Destructor Documentation

EmbedderExternalTextureGL()

flutter::EmbedderExternalTextureGL::EmbedderExternalTextureGL	(	int64_t	texture_identifier,
		const ExternalTextureCallback &	callback
	)

Definition at line 23 of file embedder_external_texture_gl.cc.

    : Texture(texture_identifier), external_texture_callback_(callback) {
  FML_DCHECK(external_texture_callback_);
}

~EmbedderExternalTextureGL()

flutter::EmbedderExternalTextureGL::~EmbedderExternalTextureGL ( )

default

Member Function Documentation

MarkNewFrameAvailable()

void flutter::EmbedderExternalTextureGL::MarkNewFrameAvailable ( )

overrideprivatevirtual

Implements flutter::Texture.

Definition at line 117 of file embedder_external_texture_gl.cc.

                                                      {
  last_image_ = nullptr;
}

OnGrContextCreated()

void flutter::EmbedderExternalTextureGL::OnGrContextCreated ( )

overrideprivatevirtual

Implements flutter::ContextListener.

Definition at line 111 of file embedder_external_texture_gl.cc.

{}

OnGrContextDestroyed()

void flutter::EmbedderExternalTextureGL::OnGrContextDestroyed ( )

overrideprivatevirtual

Implements flutter::ContextListener.

Definition at line 114 of file embedder_external_texture_gl.cc.

{}

OnTextureUnregistered()

void flutter::EmbedderExternalTextureGL::OnTextureUnregistered ( )

overrideprivatevirtual

Implements flutter::Texture.

Definition at line 122 of file embedder_external_texture_gl.cc.

{}

Paint()

void flutter::EmbedderExternalTextureGL::Paint ( PaintContext &  context, const SkRect &  bounds, bool  freeze, const DlImageSampling  sampling  )

overrideprivatevirtual

Implements flutter::Texture.

Definition at line 33 of file embedder_external_texture_gl.cc.

                                                                      {
  if (last_image_ == nullptr) {
    last_image_ =
        ResolveTexture(Id(),                                           //
                       context.gr_context,                             //
                       SkISize::Make(bounds.width(), bounds.height())  //
        );
  }
 
  DlCanvas* canvas = context.canvas;
  const DlPaint* paint = context.paint;
 
  if (last_image_) {
    SkRect image_bounds = SkRect::Make(last_image_->bounds());
    if (bounds != image_bounds) {
      canvas->DrawImageRect(last_image_, image_bounds, bounds, sampling, paint);
    } else {
      canvas->DrawImage(last_image_, {bounds.x(), bounds.y()}, sampling, paint);
    }
  }
}

---

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

• shell/platform/embedder/embedder_external_texture_gl.h
• shell/platform/embedder/embedder_external_texture_gl.cc