deleteTexture method

Future<void> deleteTexture(FlutterAngleTexture texture, [ bool releaseAll = true ])

Implementation

Future<void> deleteTexture(FlutterAngleTexture texture,[bool releaseAll = true]) async {
  if (Platform.isAndroid) return;

  if(_useSurface && texture.surfaceId != nullptr){
    _libEGL!.eglMakeCurrent(_display, texture.surfaceId!, texture.surfaceId!, _baseAppContext);
    _libEGL!.eglDestroySurface(_display, texture.surfaceId!);
    texture.surfaceId = nullptr;
  }

  angleConsole.warning('There is no active FlutterGL Texture to delete');

  if (_activeFramebuffer == texture.fboId && releaseAll) {
    gl.glBindFramebuffer(GL_FRAMEBUFFER, texture.fboId);
    if (!_isRBO){
      gl.glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D, 0, 0);
    }
    else{
      gl.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, 0);
    }
    gl.glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
    gl.glBindFramebuffer(GL_FRAMEBUFFER, 0);

    gl.glClearColor(0.0, 0.0, 0.0, 0.0);
    gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);

    Pointer<Uint32> fbo = calloc();
    fbo.value = texture.fboId;
    gl.glDeleteBuffersPointer(1, fbo);
    calloc.free(fbo);
    _activeFramebuffer = null;

    Pointer<Uint32> depth = calloc();
    depth.value = texture.depth;
    gl.glDeleteRenderbuffersPointer(1, depth);
    calloc.free(depth);
  }

  if(releaseAll){
    await _channel.invokeMethod('deleteTexture',{"textureId": texture.textureId});
  }
}