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// SPDX-License-Identifier: Unlicense OR MIT
//go:build ((linux && !android) || freebsd || openbsd) && !nox11
// +build linux,!android freebsd openbsd
// +build !nox11
package app
import (
"unsafe"
"gioui.org/internal/egl"
)
type x11Context struct {
win *x11Window
*egl.Context
}
func init() {
newX11EGLContext = func(w *x11Window) (context, error) {
disp := egl.NativeDisplayType(unsafe.Pointer(w.display()))
ctx, err := egl.NewContext(disp)
if err != nil {
return nil, err
}
return &x11Context{win: w, Context: ctx}, nil
}
}
func (c *x11Context) Release() {
if c.Context != nil {
c.Context.Release()
c.Context = nil
}
}
func (c *x11Context) Refresh() error {
c.Context.ReleaseSurface()
win, width, height := c.win.window()
eglSurf := egl.NativeWindowType(uintptr(win))
if err := c.Context.CreateSurface(eglSurf, width, height); err != nil {
return err
}
if err := c.Context.MakeCurrent(); err != nil {
return err
}
c.Context.EnableVSync(true)
c.Context.ReleaseCurrent()
return nil
}
func (c *x11Context) Lock() error {
return c.Context.MakeCurrent()
}
func (c *x11Context) Unlock() {
c.Context.ReleaseCurrent()
}
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