ebiten/graphicscontext_notjs.go

// Copyright 2017 The Ebiten Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// +build !js

package ebiten

import (
	"github.com/hajimehoshi/ebiten/internal/graphics"
)

func (c *graphicsContext) needsRestoring() (bool, error) {
	// FlushCommands is required because c.offscreen.impl might not have an actual texture.
	if err := graphics.FlushCommands(); err != nil {
		return false, err
	}
	return c.offscreen.restorable.IsInvalidated(), nil
}