mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
// Copyright 2020 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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// +build !android
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// +build !js
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// +build freebsd linux
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package opengl
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import (
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"strings"
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"sync"
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"github.com/hajimehoshi/ebiten/internal/graphicsdriver/opengl/gl"
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)
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var (
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pboAvailable = true
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pboAvailableOnce sync.Once
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)
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func isPBOAvailable() bool {
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pboAvailableOnce.Do(func() {
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// This must be called after GL context is created.
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str := gl.RendererDeviceString()
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tokens := strings.Split(str, " ")
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if len(tokens) == 0 {
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return
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}
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// Raspbery Pi 4 has an issue around PBO (#1208).
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if tokens[0] == "V3D" {
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pboAvailable = false
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}
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})
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return pboAvailable
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}
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