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34 lines
789 B
Go
34 lines
789 B
Go
// Copyright 2018 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package devicescale
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import (
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"sync"
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)
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var (
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scale = 0.0
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m sync.Mutex
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)
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func DeviceScale() float64 {
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m.Lock()
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defer m.Unlock()
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if scale == 0.0 {
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scale = impl()
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}
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return scale
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}
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