def set_current(self): if not self.canvas: self.is_ok = 0 raise RuntimeError('Canvas has not been attached') # XXX not per-thread gl.current_context = self # XXX gl_info.set_active_context() glu_info.set_active_context() # Implement workarounds if not self._info: self._info = gl_info.GLInfo() self._info.set_active_context() for attr, check in self._workaround_checks: setattr(self, attr, check(self._info)) # Release textures and buffers on this context scheduled for deletion. # Note that the garbage collector may introduce a race condition, # so operate on a copy of the textures/buffers and remove the deleted # items using list slicing (which is an atomic operation) if self.object_space._doomed_textures: textures = self.object_space._doomed_textures[:] textures = (gl.GLuint * len(textures))(*textures) gl.glDeleteTextures(len(textures), textures) self.object_space._doomed_textures[0:len(textures)] = [] if self.object_space._doomed_buffers: buffers = self.object_space._doomed_buffers[:] buffers = (gl.GLuint * len(buffers))(*buffers) gl.glDeleteBuffers(len(buffers), buffers) self.object_space._doomed_buffers[0:len(buffers)] = []
def set_current(self): global current_context assert self in _contexts current_context = self # Implement workarounds if not self._info: self._info = gl_info.GLInfo() self._info.set_active_context() for attr, check in self._workaround_checks: setattr(self, attr, check(self._info)) # Release textures on this context scheduled for deletion if self.object_space._doomed_textures: textures = self.object_space._doomed_textures textures = (GLuint * len(textures))(*textures) glDeleteTextures(len(textures), textures) self.object_space._doomed_textures = [] # Release buffers on this context scheduled for deletion if self.object_space._doomed_buffers: buffers = self.object_space._doomed_buffers buffers = (GLuint * len(buffers))(*buffers) glDeleteBuffers(len(buffers), buffers) self.object_space._doomed_buffers = []
def set_current(self): if not self.canvas: raise RuntimeError('Canvas has not been attached') # XXX not per-thread gl.current_context = self # XXX gl_info.set_active_context() glu_info.set_active_context() # Implement workarounds if not self._info: self._info = gl_info.GLInfo() self._info.set_active_context() for attr, check in self._workaround_checks: setattr(self, attr, check(self._info)) # Release textures on this context scheduled for deletion if self.object_space._doomed_textures: textures = self.object_space._doomed_textures textures = (gl.GLuint * len(textures))(*textures) gl.glDeleteTextures(len(textures), textures) self.object_space._doomed_textures = [] # Release buffers on this context scheduled for deletion if self.object_space._doomed_buffers: buffers = self.object_space._doomed_buffers buffers = (gl.GLuint * len(buffers))(*buffers) gl.glDeleteBuffers(len(buffers), buffers) self.object_space._doomed_buffers = []
def set_current(self): if not self.canvas: raise RuntimeError('Canvas has not been attached') # XXX not per-thread gl.current_context = self # XXX gl_info.set_active_context() if not self._info: self._info = gl_info.GLInfo() self._info.set_active_context() # Release Textures, Buffers, and VAOs on this context scheduled for # deletion. Note that the garbage collector may introduce a race # condition, so operate on a copy, and clear the list afterwards. if self.object_space.doomed_textures: textures = self.object_space.doomed_textures[:] textures = (gl.GLuint * len(textures))(*textures) gl.glDeleteTextures(len(textures), textures) self.object_space.doomed_textures.clear() if self.object_space.doomed_buffers: buffers = self.object_space.doomed_buffers[:] buffers = (gl.GLuint * len(buffers))(*buffers) gl.glDeleteBuffers(len(buffers), buffers) self.object_space.doomed_buffers.clear() if self.object_space.doomed_vaos: vaos = self.object_space.doomed_vaos[:] vaos = (gl.GLuint * len(vaos))(*vaos) gl.glDeleteVertexArrays(len(vaos), vaos) self.object_space.doomed_vaos.clear()