flutter::ImageExternalTextureGLSkia Class Reference

#include <image_external_texture_gl.h>

Inheritance diagram for flutter::ImageExternalTextureGLSkia:

Public Member Functions
	ImageExternalTextureGLSkia (const std::shared_ptr< AndroidContextGLSkia > &context, int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &image_textury_entry, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)
Public Member Functions inherited from flutter::ImageExternalTextureGL
	ImageExternalTextureGL (int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &image_textury_entry, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)
Public Member Functions inherited from flutter::ImageExternalTexture
	ImageExternalTexture (int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &image_texture_entry, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)
virtual	~ImageExternalTexture ()=default
void	Paint (PaintContext &context, const SkRect &bounds, bool freeze, const DlImageSampling sampling) override
void	MarkNewFrameAvailable () override
void	OnTextureUnregistered () override
void	OnGrContextCreated () override
void	OnGrContextDestroyed () 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
void	Attach (PaintContext &context) override
void	Detach () override
sk_sp< flutter::DlImage >	CreateDlImage (PaintContext &context, const SkRect &bounds, std::optional< HardwareBufferKey > id, impeller::UniqueEGLImageKHR &&egl_image) override

Additional Inherited Members
Protected Types inherited from flutter::ImageExternalTexture
enum class	AttachmentState { kUninitialized , kAttached , kDetached }
Protected Member Functions inherited from flutter::ImageExternalTextureGL
void	ProcessFrame (PaintContext &context, const SkRect &bounds) override
void	UpdateImage (JavaLocalRef &hardware_buffer, const SkRect &bounds, PaintContext &context)
impeller::UniqueEGLImageKHR	CreateEGLImage (AHardwareBuffer *buffer)
	FML_DISALLOW_COPY_AND_ASSIGN (ImageExternalTextureGL)
Protected Member Functions inherited from flutter::ImageExternalTexture
JavaLocalRef	AcquireLatestImage ()
void	CloseImage (const fml::jni::JavaRef< jobject > &image)
JavaLocalRef	HardwareBufferFor (const fml::jni::JavaRef< jobject > &image)
void	CloseHardwareBuffer (const fml::jni::JavaRef< jobject > &hardware_buffer)
AHardwareBuffer *	AHardwareBufferFor (const fml::jni::JavaRef< jobject > &hardware_buffer)
	FML_DISALLOW_COPY_AND_ASSIGN (ImageExternalTexture)
Protected Attributes inherited from flutter::ImageExternalTextureGL
std::unordered_map< HardwareBufferKey, GlEntry >	gl_entries_
Protected Attributes inherited from flutter::ImageExternalTexture
fml::jni::ScopedJavaGlobalRef< jobject >	image_texture_entry_
std::shared_ptr< PlatformViewAndroidJNI >	jni_facade_
AttachmentState	state_ = AttachmentState::kUninitialized
sk_sp< flutter::DlImage >	dl_image_
ImageLRU	image_lru_ = ImageLRU()

Detailed Description

Definition at line 59 of file image_external_texture_gl.h.

Constructor & Destructor Documentation

ImageExternalTextureGLSkia()

flutter::ImageExternalTextureGLSkia::ImageExternalTextureGLSkia	(	const std::shared_ptr< AndroidContextGLSkia > &	context,
		int64_t	id,
		const fml::jni::ScopedJavaGlobalRef< jobject > &	image_textury_entry,
		const std::shared_ptr< PlatformViewAndroidJNI > &	jni_facade
	)

Definition at line 110 of file image_external_texture_gl.cc.

    : ImageExternalTextureGL(id, image_texture_entry, jni_facade) {}

Member Function Documentation

Attach()

void flutter::ImageExternalTextureGLSkia::Attach ( PaintContext &  context )

overrideprivatevirtual

Reimplemented from flutter::ImageExternalTextureGL.

Definition at line 117 of file image_external_texture_gl.cc.

                                                             {
  if (state_ == AttachmentState::kUninitialized) {
    // After this call state_ will be AttachmentState::kAttached and egl_image_
    // will have been created if we still have an Image associated with us.
    ImageExternalTextureGL::Attach(context);
  }
}

CreateDlImage()

sk_sp< flutter::DlImage > flutter::ImageExternalTextureGLSkia::CreateDlImage ( PaintContext &  context, const SkRect &  bounds, std::optional< HardwareBufferKey >  id, impeller::UniqueEGLImageKHR &&  egl_image  )

overrideprivatevirtual

Implements flutter::ImageExternalTextureGL.

Definition at line 140 of file image_external_texture_gl.cc.

                                           {
  GLuint texture_name;
  glGenTextures(1, &texture_name);
  auto gl_texture = impeller::GLTexture{texture_name};
  impeller::UniqueGLTexture unique_texture;
  unique_texture.reset(gl_texture);
 
  BindImageToTexture(egl_image, unique_texture.get().texture_name);
  GrGLTextureInfo textureInfo = {
      GL_TEXTURE_EXTERNAL_OES, unique_texture.get().texture_name, GL_RGBA8_OES};
  auto backendTexture =
      GrBackendTextures::MakeGL(1, 1, skgpu::Mipmapped::kNo, textureInfo);
 
  gl_entries_[id.value_or(0)] = GlEntry{.egl_image = std::move(egl_image),
                                        .texture = std::move(unique_texture)};
  return DlImage::Make(SkImages::BorrowTextureFrom(
      context.gr_context, backendTexture, kTopLeft_GrSurfaceOrigin,
      kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr));
}

Detach()

void flutter::ImageExternalTextureGLSkia::Detach ( )

overrideprivatevirtual

Reimplemented from flutter::ImageExternalTextureGL.

Definition at line 125 of file image_external_texture_gl.cc.

                                        {
  ImageExternalTextureGL::Detach();
}

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

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