flutter::SurfaceTextureExternalTextureImpellerGL Class Reference

#include <surface_texture_external_texture_gl.h>

Inheritance diagram for flutter::SurfaceTextureExternalTextureImpellerGL:

Public Member Functions
	SurfaceTextureExternalTextureImpellerGL (const std::shared_ptr< impeller::ContextGLES > &context, int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &surface_texture, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)
	~SurfaceTextureExternalTextureImpellerGL () override
Public Member Functions inherited from flutter::SurfaceTextureExternalTexture
	SurfaceTextureExternalTexture (int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &surface_texture, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)
	~SurfaceTextureExternalTexture () override
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
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
virtual void	ProcessFrame (PaintContext &context, const SkRect &bounds) override
virtual void	Detach () override

Additional Inherited Members
Protected Types inherited from flutter::SurfaceTextureExternalTexture
enum class	AttachmentState { kUninitialized , kAttached , kDetached }
Protected Member Functions inherited from flutter::SurfaceTextureExternalTexture
void	Attach (int gl_tex_id)
bool	ShouldUpdate ()
void	Update ()
	FML_DISALLOW_COPY_AND_ASSIGN (SurfaceTextureExternalTexture)
Protected Attributes inherited from flutter::SurfaceTextureExternalTexture
std::shared_ptr< PlatformViewAndroidJNI >	jni_facade_
fml::jni::ScopedJavaGlobalRef< jobject >	surface_texture_
AttachmentState	state_ = AttachmentState::kUninitialized
SkMatrix	transform_
sk_sp< flutter::DlImage >	dl_image_

Detailed Description

Definition at line 40 of file surface_texture_external_texture_gl.h.

Constructor & Destructor Documentation

SurfaceTextureExternalTextureImpellerGL()

flutter::SurfaceTextureExternalTextureImpellerGL::SurfaceTextureExternalTextureImpellerGL	(	const std::shared_ptr< impeller::ContextGLES > &	context,
		int64_t	id,
		const fml::jni::ScopedJavaGlobalRef< jobject > &	surface_texture,
		const std::shared_ptr< PlatformViewAndroidJNI > &	jni_facade
	)

Definition at line 66 of file surface_texture_external_texture_gl.cc.

    : SurfaceTextureExternalTexture(id, surface_texture, jni_facade),
      impeller_context_(context) {}

~SurfaceTextureExternalTextureImpellerGL()

flutter::SurfaceTextureExternalTextureImpellerGL::~SurfaceTextureExternalTextureImpellerGL ( )

override

Definition at line 75 of file surface_texture_external_texture_gl.cc.

{}

Member Function Documentation

Detach()

void flutter::SurfaceTextureExternalTextureImpellerGL::Detach ( )

overrideprivatevirtual

Reimplemented from flutter::SurfaceTextureExternalTexture.

Definition at line 110 of file surface_texture_external_texture_gl.cc.

                                                     {
  SurfaceTextureExternalTexture::Detach();
  texture_.reset();
}

ProcessFrame()

void flutter::SurfaceTextureExternalTextureImpellerGL::ProcessFrame ( PaintContext &  context, const SkRect &  bounds  )

overrideprivatevirtual

Implements flutter::SurfaceTextureExternalTexture.

Definition at line 78 of file surface_texture_external_texture_gl.cc.

                          {
  if (state_ == AttachmentState::kUninitialized) {
    // Generate the texture handle.
    impeller::TextureDescriptor desc;
    desc.type = impeller::TextureType::kTextureExternalOES;
    desc.storage_mode = impeller::StorageMode::kDevicePrivate;
    desc.format = impeller::PixelFormat::kR8G8B8A8UNormInt;
    desc.size = {static_cast<int>(bounds.width()),
                 static_cast<int>(bounds.height())};
    desc.mip_count = 1;
    texture_ = std::make_shared<impeller::TextureGLES>(
        impeller_context_->GetReactor(), desc,
        impeller::TextureGLES::IsWrapped::kWrapped);
    texture_->SetCoordinateSystem(
        impeller::TextureCoordinateSystem::kUploadFromHost);
    auto maybe_handle = texture_->GetGLHandle();
    if (!maybe_handle.has_value()) {
      FML_LOG(ERROR) << "Could not get GL handle from impeller::TextureGLES!";
      return;
    }
    Attach(maybe_handle.value());
  }
  FML_CHECK(state_ == AttachmentState::kAttached);
 
  // Updates the texture contents and transformation matrix.
  Update();
 
  dl_image_ = impeller::DlImageImpeller::Make(texture_);
}

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

• shell/platform/android/surface_texture_external_texture_gl.h
• shell/platform/android/surface_texture_external_texture_gl.cc