11use flutter_engine_sys:: {
2- FlutterOpenGLTexture , FlutterPlatformMessage , FlutterPlatformMessageResponseHandle ,
2+ FlutterPlatformMessage , FlutterPlatformMessageResponseHandle ,
33} ;
4- use log:: { error, trace } ;
4+ use log:: error;
55use std:: borrow:: Cow ;
66use std:: ffi:: { CStr , CString } ;
7- use std:: os:: raw:: c_void;
8- use std:: sync:: atomic:: { AtomicI64 , Ordering } ;
97use std:: { mem, ptr} ;
108
119#[ derive( Debug ) ]
@@ -174,103 +172,4 @@ impl From<FlutterPointerMouseButtons> for flutter_engine_sys::FlutterPointerMous
174172}
175173}
176174}
177- }
178-
179- pub type TextureId =i64 ;
180-
181- #[ derive( Clone , Debug ) ]
182- pub struct ExternalTexture {
183- engine_ptr : flutter_engine_sys:: FlutterEngine ,
184- texture_id : TextureId ,
185- }
186-
187- unsafe impl Send for ExternalTexture { }
188- unsafe impl Sync for ExternalTexture { }
189-
190- impl ExternalTexture {
191- pub fn new ( engine_ptr : flutter_engine_sys:: FlutterEngine ) ->Self {
192- static TEXTURE_ID : AtomicI64 =AtomicI64 :: new ( 1 ) ;
193- let texture_id =TEXTURE_ID . fetch_add ( 1 , Ordering :: Relaxed ) ;
194- Self {
195- engine_ptr,
196- texture_id,
197- }
198- }
199-
200- pub fn id ( & self ) ->TextureId {
201- self . texture_id
202- }
203-
204- pub fn register ( & self ) {
205- log:: trace!( "texture {}: register" , self . texture_id) ;
206- unsafe {
207- flutter_engine_sys:: FlutterEngineRegisterExternalTexture (
208- self . engine_ptr ,
209- self . texture_id ,
210- ) ;
211- }
212- }
213-
214- pub fn mark_frame_available ( & self ) {
215- log:: trace!( "texture {}: marking frame available" , self . texture_id) ;
216- unsafe {
217- flutter_engine_sys:: FlutterEngineMarkExternalTextureFrameAvailable (
218- self . engine_ptr ,
219- self . texture_id ,
220- ) ;
221- }
222- }
223-
224- pub fn unregister ( & self ) {
225- log:: trace!( "texture {}: unregister" , self . texture_id) ;
226- unsafe {
227- flutter_engine_sys:: FlutterEngineUnregisterExternalTexture (
228- self . engine_ptr ,
229- self . texture_id ,
230- ) ;
231- }
232- }
233- }
234-
235- type DestructorType =Box < dyn FnOnce ( ) > ;
236-
237- pub struct ExternalTextureFrame {
238- pub target : u32 ,
239- pub name : u32 ,
240- pub format : u32 ,
241- pub destruction_callback : Box < DestructorType > ,
242- }
243-
244- impl ExternalTextureFrame {
245- pub fn new < F > (
246- target : u32 ,
247- name : u32 ,
248- format : u32 ,
249- destruction_callback : F ,
250- ) ->ExternalTextureFrame
251- where
252- F : FnOnce ( ) ->( ) +' static +Send ,
253- {
254- ExternalTextureFrame {
255- target,
256- name,
257- format,
258- destruction_callback : Box :: new ( Box :: new ( destruction_callback) ) ,
259- }
260- }
261-
262- pub ( crate ) fn into_ffi ( self , target : & mut FlutterOpenGLTexture ) {
263- target. target =self . target ;
264- target. name =self . name ;
265- target. format =self . format ;
266- target. destruction_callback =Some ( texture_destruction_callback) ;
267- target. user_data =Box :: into_raw ( self . destruction_callback ) as _ ;
268- }
269- }
270-
271- unsafe extern "C" fn texture_destruction_callback ( user_data : * mut c_void ) {
272- trace ! ( "texture_destruction_callback" ) ;
273- let user_data = user_dataas * mut DestructorType ;
274- let user_data =Box :: from_raw ( user_data) ;
275- user_data ( ) ;
276- }
175+ }