Flutter Windows Embedder
flutter::FlutterWindowsTextureRegistrar Class Reference

#include <flutter_windows_texture_registrar.h>

Public Member Functions

 FlutterWindowsTextureRegistrar (FlutterWindowsEngine *engine, std::shared_ptr< egl::ProcTable > gl)
 
int64_t RegisterTexture (const FlutterDesktopTextureInfo *texture_info)
 
void UnregisterTexture (int64_t texture_id, fml::closure callback=nullptr)
 
bool MarkTextureFrameAvailable (int64_t texture_id)
 
bool PopulateTexture (int64_t texture_id, size_t width, size_t height, FlutterOpenGLTexture *texture)
 

Detailed Description

Definition at line 24 of file flutter_windows_texture_registrar.h.

Constructor & Destructor Documentation

◆ FlutterWindowsTextureRegistrar()

flutter::FlutterWindowsTextureRegistrar::FlutterWindowsTextureRegistrar ( FlutterWindowsEngine engine,
std::shared_ptr< egl::ProcTable gl 
)
explicit

Definition at line 21 of file flutter_windows_texture_registrar.cc.

24  : engine_(engine), gl_(std::move(gl)) {}

Member Function Documentation

◆ MarkTextureFrameAvailable()

bool flutter::FlutterWindowsTextureRegistrar::MarkTextureFrameAvailable ( int64_t  texture_id)

Definition at line 103 of file flutter_windows_texture_registrar.cc.

104  {
105  engine_->task_runner()->RunNowOrPostTask([engine = engine_, texture_id]() {
106  engine->MarkExternalTextureFrameAvailable(texture_id);
107  });
108  return true;
109 }

References flutter::TaskRunner::RunNowOrPostTask(), flutter::FlutterWindowsEngine::task_runner(), and texture_id.

Referenced by FlutterDesktopTextureRegistrarMarkExternalTextureFrameAvailable(), and flutter::testing::TEST().

◆ PopulateTexture()

bool flutter::FlutterWindowsTextureRegistrar::PopulateTexture ( int64_t  texture_id,
size_t  width,
size_t  height,
FlutterOpenGLTexture *  texture 
)

Definition at line 111 of file flutter_windows_texture_registrar.cc.

115  {
116  flutter::ExternalTexture* texture;
117  {
118  std::lock_guard<std::mutex> lock(map_mutex_);
119  auto it = textures_.find(texture_id);
120  if (it == textures_.end()) {
121  return false;
122  }
123  texture = it->second.get();
124  }
125  return texture->PopulateTexture(width, height, opengl_texture);
126 }

References flutter::ExternalTexture::PopulateTexture(), and texture_id.

Referenced by flutter::testing::TEST().

◆ RegisterTexture()

int64_t flutter::FlutterWindowsTextureRegistrar::RegisterTexture ( const FlutterDesktopTextureInfo texture_info)

Definition at line 26 of file flutter_windows_texture_registrar.cc.

27  {
28  if (!gl_) {
29  return kInvalidTexture;
30  }
31 
32  if (texture_info->type == kFlutterDesktopPixelBufferTexture) {
33  if (!texture_info->pixel_buffer_config.callback) {
34  FML_LOG(ERROR) << "Invalid pixel buffer texture callback.";
35  return kInvalidTexture;
36  }
37 
38  return EmplaceTexture(std::make_unique<flutter::ExternalTexturePixelBuffer>(
39  texture_info->pixel_buffer_config.callback,
40  texture_info->pixel_buffer_config.user_data, gl_));
41  } else if (texture_info->type == kFlutterDesktopGpuSurfaceTexture) {
42  const FlutterDesktopGpuSurfaceTextureConfig* gpu_surface_config =
43  &texture_info->gpu_surface_config;
44  auto surface_type = SAFE_ACCESS(gpu_surface_config, type,
48  auto callback = SAFE_ACCESS(gpu_surface_config, callback, nullptr);
49  if (!callback) {
50  FML_LOG(ERROR) << "Invalid GPU surface descriptor callback.";
51  return kInvalidTexture;
52  }
53 
54  auto user_data = SAFE_ACCESS(gpu_surface_config, user_data, nullptr);
55  return EmplaceTexture(std::make_unique<flutter::ExternalTextureD3d>(
56  surface_type, callback, user_data, engine_->egl_manager(), gl_));
57  }
58  }
59 
60  FML_LOG(ERROR) << "Attempted to register texture of unsupport type.";
61  return kInvalidTexture;
62 }

References callback, FlutterDesktopPixelBufferTextureConfig::callback, flutter::FlutterWindowsEngine::egl_manager(), FlutterDesktopTextureInfo::gpu_surface_config, kFlutterDesktopGpuSurfaceTexture, kFlutterDesktopGpuSurfaceTypeD3d11Texture2D, kFlutterDesktopGpuSurfaceTypeDxgiSharedHandle, kFlutterDesktopGpuSurfaceTypeNone, kFlutterDesktopPixelBufferTexture, FlutterDesktopTextureInfo::pixel_buffer_config, FlutterDesktopTextureInfo::type, type, user_data, and FlutterDesktopPixelBufferTextureConfig::user_data.

Referenced by FlutterDesktopTextureRegistrarRegisterExternalTexture(), and flutter::testing::TEST().

◆ UnregisterTexture()

void flutter::FlutterWindowsTextureRegistrar::UnregisterTexture ( int64_t  texture_id,
fml::closure  callback = nullptr 
)

Definition at line 79 of file flutter_windows_texture_registrar.cc.

80  {
81  engine_->task_runner()->RunNowOrPostTask([engine = engine_, texture_id]() {
82  engine->UnregisterExternalTexture(texture_id);
83  });
84 
85  bool posted = engine_->PostRasterThreadTask([this, texture_id, callback]() {
86  {
87  std::lock_guard<std::mutex> lock(map_mutex_);
88  auto it = textures_.find(texture_id);
89  if (it != textures_.end()) {
90  textures_.erase(it);
91  }
92  }
93  if (callback) {
94  callback();
95  }
96  });
97 
98  if (!posted && callback) {
99  callback();
100  }
101 }

References callback, flutter::FlutterWindowsEngine::PostRasterThreadTask(), flutter::TaskRunner::RunNowOrPostTask(), flutter::FlutterWindowsEngine::task_runner(), and texture_id.

Referenced by flutter::testing::TEST().


The documentation for this class was generated from the following files:
flutter::FlutterWindowsEngine::PostRasterThreadTask
virtual bool PostRasterThreadTask(fml::closure callback) const
Definition: flutter_windows_engine.cc:856
flutter::TaskRunner::RunNowOrPostTask
void RunNowOrPostTask(TaskClosure task)
Definition: task_runner.h:51
kFlutterDesktopGpuSurfaceTexture
@ kFlutterDesktopGpuSurfaceTexture
Definition: flutter_texture_registrar.h:28
flutter::FlutterWindowsEngine::task_runner
TaskRunner * task_runner()
Definition: flutter_windows_engine.h:155
user_data
void * user_data
Definition: flutter_windows_view_unittests.cc:53
FlutterDesktopPixelBufferTextureConfig::user_data
void * user_data
Definition: flutter_texture_registrar.h:134
kFlutterDesktopGpuSurfaceTypeNone
@ kFlutterDesktopGpuSurfaceTypeNone
Definition: flutter_texture_registrar.h:34
FlutterDesktopPixelBufferTextureConfig::callback
FlutterDesktopPixelBufferTextureCallback callback
Definition: flutter_texture_registrar.h:132
flutter::ExternalTexture::PopulateTexture
virtual bool PopulateTexture(size_t width, size_t height, FlutterOpenGLTexture *opengl_texture)=0
FlutterDesktopTextureInfo::type
FlutterDesktopTextureType type
Definition: flutter_texture_registrar.h:152
FlutterDesktopTextureInfo::pixel_buffer_config
FlutterDesktopPixelBufferTextureConfig pixel_buffer_config
Definition: flutter_texture_registrar.h:154
type
enum flutter::testing::@88::KeyboardChange::Type type
kFlutterDesktopGpuSurfaceTypeD3d11Texture2D
@ kFlutterDesktopGpuSurfaceTypeD3d11Texture2D
Definition: flutter_texture_registrar.h:40
FlutterDesktopTextureInfo::gpu_surface_config
FlutterDesktopGpuSurfaceTextureConfig gpu_surface_config
Definition: flutter_texture_registrar.h:155
kFlutterDesktopGpuSurfaceTypeDxgiSharedHandle
@ kFlutterDesktopGpuSurfaceTypeDxgiSharedHandle
Definition: flutter_texture_registrar.h:38
FlutterDesktopGpuSurfaceTextureConfig
Definition: flutter_texture_registrar.h:138
flutter::FlutterWindowsEngine::egl_manager
egl::Manager * egl_manager() const
Definition: flutter_windows_engine.h:165
flutter::ExternalTexture
Definition: external_texture.h:16
kFlutterDesktopPixelBufferTexture
@ kFlutterDesktopPixelBufferTexture
Definition: flutter_texture_registrar.h:26
texture_id
uint32_t texture_id
Definition: compositor_opengl.cc:20
callback
FlutterDesktopBinaryReply callback
Definition: flutter_windows_view_unittests.cc:52