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flutter::TextureRegistrarImpl Class Reference

#include <texture_registrar_impl.h>

Inheritance diagram for flutter::TextureRegistrarImpl:
flutter::TextureRegistrar

Public Member Functions

 TextureRegistrarImpl (FlutterDesktopTextureRegistrarRef texture_registrar_ref)
 
virtual ~TextureRegistrarImpl ()
 
 TextureRegistrarImpl (TextureRegistrarImpl const &)=delete
 
TextureRegistrarImploperator= (TextureRegistrarImpl const &)=delete
 
int64_t RegisterTexture (TextureVariant *texture) override
 
bool MarkTextureFrameAvailable (int64_t texture_id) override
 
void UnregisterTexture (int64_t texture_id, std::function< void()> callback) override
 
bool UnregisterTexture (int64_t texture_id) override
 
- Public Member Functions inherited from flutter::TextureRegistrar
virtual ~TextureRegistrar ()=default
 

Detailed Description

Definition at line 14 of file texture_registrar_impl.h.

Constructor & Destructor Documentation

◆ TextureRegistrarImpl() [1/2]

flutter::TextureRegistrarImpl::TextureRegistrarImpl ( FlutterDesktopTextureRegistrarRef  texture_registrar_ref)
explicit

Definition at line 211 of file core_implementations.cc.

213  : texture_registrar_ref_(texture_registrar_ref) {}

◆ ~TextureRegistrarImpl()

flutter::TextureRegistrarImpl::~TextureRegistrarImpl ( )
virtualdefault

◆ TextureRegistrarImpl() [2/2]

flutter::TextureRegistrarImpl::TextureRegistrarImpl ( TextureRegistrarImpl const &  )
delete

Member Function Documentation

◆ MarkTextureFrameAvailable()

bool flutter::TextureRegistrarImpl::MarkTextureFrameAvailable ( int64_t  texture_id)
overridevirtual

◆ operator=()

TextureRegistrarImpl& flutter::TextureRegistrarImpl::operator= ( TextureRegistrarImpl const &  )
delete

◆ RegisterTexture()

int64_t flutter::TextureRegistrarImpl::RegisterTexture ( TextureVariant texture)
overridevirtual

Implements flutter::TextureRegistrar.

Definition at line 217 of file core_implementations.cc.

217  {
218  FlutterDesktopTextureInfo info = {};
219  if (auto pixel_buffer_texture = std::get_if<PixelBufferTexture>(texture)) {
221  info.pixel_buffer_config.user_data = pixel_buffer_texture;
223  [](size_t width, size_t height,
224  void* user_data) -> const FlutterDesktopPixelBuffer* {
225  auto texture = static_cast<PixelBufferTexture*>(user_data);
226  return texture->CopyPixelBuffer(width, height);
227  };
228  } else if (auto gpu_surface_texture =
229  std::get_if<GpuSurfaceTexture>(texture)) {
233  info.gpu_surface_config.type = gpu_surface_texture->surface_type();
234  info.gpu_surface_config.user_data = gpu_surface_texture;
236  [](size_t width, size_t height,
238  auto texture = static_cast<GpuSurfaceTexture*>(user_data);
239  return texture->ObtainDescriptor(width, height);
240  };
241  } else {
242  std::cerr << "Attempting to register unknown texture variant." << std::endl;
243  return -1;
244  }
245 
247  texture_registrar_ref_, &info);
248  return texture_id;
249 } // namespace flutter

References FlutterDesktopPixelBufferTextureConfig::callback, FlutterDesktopGpuSurfaceTextureConfig::callback, flutter::PixelBufferTexture::CopyPixelBuffer(), FlutterDesktopTextureRegistrarRegisterExternalTexture(), FlutterDesktopTextureInfo::gpu_surface_config, height, kFlutterDesktopGpuSurfaceTexture, kFlutterDesktopPixelBufferTexture, flutter::GpuSurfaceTexture::ObtainDescriptor(), FlutterDesktopTextureInfo::pixel_buffer_config, FlutterDesktopGpuSurfaceTextureConfig::struct_size, texture_id, FlutterDesktopGpuSurfaceTextureConfig::type, FlutterDesktopTextureInfo::type, user_data, FlutterDesktopPixelBufferTextureConfig::user_data, FlutterDesktopGpuSurfaceTextureConfig::user_data, and width.

◆ UnregisterTexture() [1/2]

bool flutter::TextureRegistrarImpl::UnregisterTexture ( int64_t  texture_id)
overridevirtual

Implements flutter::TextureRegistrar.

Definition at line 279 of file core_implementations.cc.

279  {
280  UnregisterTexture(texture_id, nullptr);
281  return true;
282 }

References texture_id, and UnregisterTexture().

◆ UnregisterTexture() [2/2]

void flutter::TextureRegistrarImpl::UnregisterTexture ( int64_t  texture_id,
std::function< void()>  callback 
)
overridevirtual

Implements flutter::TextureRegistrar.

Definition at line 256 of file core_implementations.cc.

257  {
258  if (callback == nullptr) {
260  texture_registrar_ref_, texture_id, nullptr, nullptr);
261  return;
262  }
263 
264  struct Captures {
265  std::function<void()> callback;
266  };
267  auto captures = new Captures();
268  captures->callback = std::move(callback);
270  texture_registrar_ref_, texture_id,
271  [](void* opaque) {
272  auto captures = reinterpret_cast<Captures*>(opaque);
273  captures->callback();
274  delete captures;
275  },
276  captures);
277 }

References callback, FlutterDesktopTextureRegistrarUnregisterExternalTexture(), and texture_id.

Referenced by UnregisterTexture().


The documentation for this class was generated from the following files:
kFlutterDesktopGpuSurfaceTexture
@ kFlutterDesktopGpuSurfaceTexture
Definition: flutter_texture_registrar.h:28
FlutterDesktopTextureRegistrarRegisterExternalTexture
FLUTTER_EXPORT int64_t FlutterDesktopTextureRegistrarRegisterExternalTexture(FlutterDesktopTextureRegistrarRef texture_registrar, const FlutterDesktopTextureInfo *info)
FlutterDesktopPixelBuffer
Definition: flutter_texture_registrar.h:56
FlutterDesktopPixelBufferTextureConfig::user_data
void * user_data
Definition: flutter_texture_registrar.h:134
user_data
FlKeyEvent uint64_t FlKeyResponderAsyncCallback gpointer user_data
Definition: fl_key_channel_responder.cc:121
height
G_BEGIN_DECLS int height
Definition: fl_backing_store_provider.h:37
FlutterDesktopGpuSurfaceTextureConfig::user_data
void * user_data
Definition: flutter_texture_registrar.h:148
FlutterDesktopPixelBufferTextureConfig::callback
FlutterDesktopPixelBufferTextureCallback callback
Definition: flutter_texture_registrar.h:132
FlutterDesktopTextureInfo::type
FlutterDesktopTextureType type
Definition: flutter_texture_registrar.h:152
FlutterDesktopGpuSurfaceTextureConfig::struct_size
size_t struct_size
Definition: flutter_texture_registrar.h:141
FlutterDesktopTextureInfo::pixel_buffer_config
FlutterDesktopPixelBufferTextureConfig pixel_buffer_config
Definition: flutter_texture_registrar.h:154
FlutterDesktopGpuSurfaceTextureConfig::type
FlutterDesktopGpuSurfaceType type
Definition: flutter_texture_registrar.h:144
FlutterDesktopTextureInfo
Definition: flutter_texture_registrar.h:151
FlutterDesktopGpuSurfaceTextureConfig::callback
FlutterDesktopGpuSurfaceTextureCallback callback
Definition: flutter_texture_registrar.h:146
FlutterDesktopGpuSurfaceDescriptor
Definition: flutter_texture_registrar.h:70
flutter::TextureRegistrarImpl::UnregisterTexture
void UnregisterTexture(int64_t texture_id, std::function< void()> callback) override
Definition: core_implementations.cc:256
FlutterDesktopTextureInfo::gpu_surface_config
FlutterDesktopGpuSurfaceTextureConfig gpu_surface_config
Definition: flutter_texture_registrar.h:155
FlutterDesktopTextureRegistrarUnregisterExternalTexture
FLUTTER_EXPORT void FlutterDesktopTextureRegistrarUnregisterExternalTexture(FlutterDesktopTextureRegistrarRef texture_registrar, int64_t texture_id, void(*callback)(void *user_data), void *user_data)
FlutterDesktopGpuSurfaceTextureConfig
Definition: flutter_texture_registrar.h:138
FlutterDesktopTextureRegistrarMarkExternalTextureFrameAvailable
FLUTTER_EXPORT bool FlutterDesktopTextureRegistrarMarkExternalTextureFrameAvailable(FlutterDesktopTextureRegistrarRef texture_registrar, int64_t texture_id)
callback
FlKeyEvent uint64_t FlKeyResponderAsyncCallback callback
Definition: fl_key_channel_responder.cc:120
texture_id
int64_t texture_id
Definition: texture_registrar_unittests.cc:24
width
const uint8_t uint32_t * width
Definition: fl_pixel_buffer_texture_test.cc:38
kFlutterDesktopPixelBufferTexture
@ kFlutterDesktopPixelBufferTexture
Definition: flutter_texture_registrar.h:26