ebiten/internal/glfwwin/init_windows.go

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// Copyright 2002-2006 Marcus Geelnard
// Copyright 2006-2019 Camilla Löwy
// Copyright 2022 The Ebiten Authors
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
package glfwwin
func terminate() error {
for _, w := range _glfw.windows {
if err := w.Destroy(); err != nil {
return err
}
}
for _, c := range _glfw.cursors {
if err := c.Destroy(); err != nil {
return err
}
}
for _, monitor := range _glfw.monitors {
if len(monitor.originalRamp.Red) != 0 {
monitor.platformSetGammaRamp(&monitor.originalRamp)
}
}
_glfw.monitors = nil
if err := platformTerminate(); err != nil {
return err
}
_glfw.initialized = false
if err := _glfw.contextSlot.destroy(); err != nil {
return err
}
return nil
}
func Init() (ferr error) {
defer func() {
if ferr != nil {
terminate()
}
}()
if _glfw.initialized {
return nil
}
_glfw.hints.init.hatButtons = true
if err := platformInit(); err != nil {
return err
}
if err := _glfw.contextSlot.create(); err != nil {
return err
}
_glfw.initialized = true
if err := defaultWindowHints(); err != nil {
return err
}
return nil
}
func Terminate() error {
if !_glfw.initialized {
return nil
}
if err := terminate(); err != nil {
return err
}
return nil
}