#include <surface_texture_external_texture_gl.h>

Inheritance diagram for flutter::SurfaceTextureExternalTextureGL:

Public Member Functions
	SurfaceTextureExternalTextureGL (int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &surface_texture, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)

	~SurfaceTextureExternalTextureGL () 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 ()

virtual void	Paint (PaintContext &context, const SkRect &bounds, bool freeze, const DlImageSampling sampling)=0

virtual void	MarkNewFrameAvailable ()=0

virtual void	OnTextureUnregistered ()=0

int64_t	Id ()

Public Member Functions inherited from flutter::ContextListener
	ContextListener ()

	~ContextListener ()

virtual void	OnGrContextCreated ()=0

virtual void	OnGrContextDestroyed ()=0

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
virtual void	ProcessFrame (PaintContext &context, const SkRect &bounds)=0

virtual void	Detach ()

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 21 of file surface_texture_external_texture_gl.h.

Constructor & Destructor Documentation

◆ SurfaceTextureExternalTextureGL()

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

Definition at line 24 of file surface_texture_external_texture_gl.cc.

28 : SurfaceTextureExternalTexture(id, surface_texture, jni_facade) {}

flutter::SurfaceTextureExternalTexture::SurfaceTextureExternalTexture

SurfaceTextureExternalTexture(int64_t id, const fml::jni::ScopedJavaGlobalRef< jobject > &surface_texture, const std::shared_ptr< PlatformViewAndroidJNI > &jni_facade)

Definition: surface_texture_external_texture.cc:24

◆ ~SurfaceTextureExternalTextureGL()

flutter::SurfaceTextureExternalTextureGL::~SurfaceTextureExternalTextureGL ( )

override

Definition at line 30 of file surface_texture_external_texture_gl.cc.

                                                                  {
  if (texture_name_ != 0) {
    glDeleteTextures(1, &texture_name_);
  }
}

Member Function Documentation

◆ Detach()

void flutter::SurfaceTextureExternalTextureGL::Detach ( )

overrideprivatevirtual

Reimplemented from flutter::SurfaceTextureExternalTexture.

Definition at line 58 of file surface_texture_external_texture_gl.cc.

                                             {
  SurfaceTextureExternalTexture::Detach();
  if (texture_name_ != 0) {
    glDeleteTextures(1, &texture_name_);
    texture_name_ = 0;
  }
}

◆ ProcessFrame()

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

overrideprivatevirtual

Implements flutter::SurfaceTextureExternalTexture.

Definition at line 36 of file surface_texture_external_texture_gl.cc.

                                                                         {
  if (state_ == AttachmentState::kUninitialized) {
    // Generate the texture handle.
    glGenTextures(1, &texture_name_);
    Attach(texture_name_);
  }
  FML_CHECK(state_ == AttachmentState::kAttached);
 
  // Updates the texture contents and transformation matrix.
  Update();
 
  // Create a
  GrGLTextureInfo textureInfo = {GL_TEXTURE_EXTERNAL_OES, texture_name_,
                                 GL_RGBA8_OES};
  auto backendTexture =
      GrBackendTextures::MakeGL(1, 1, skgpu::Mipmapped::kNo, textureInfo);
  dl_image_ = DlImage::Make(SkImages::BorrowTextureFrom(
      context.gr_context, backendTexture, kTopLeft_GrSurfaceOrigin,
      kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr));
}

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

Public Member Functions

Private Member Functions