forked from joejulian/gio
Elias Naur
691adf4e77
According to #565 X11 GPU drivers don't deal well with recreation of EGL surfaces. Thanks to Walter Schneider for debugging this issue and coming up with the original patch. Fixes: https://todo.sr.ht/~eliasnaur/gio/565 Co-authored-by: Walter Werner SCHNEIDER <contact@schnwalter.eu> Signed-off-by: Elias Naur <mail@eliasnaur.com>
62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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//go:build ((linux && !android) || freebsd || openbsd) && !nox11 && !noopengl
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// +build linux,!android freebsd openbsd
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// +build !nox11
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// +build !noopengl
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package app
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import (
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"unsafe"
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"gioui.org/internal/egl"
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)
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type x11Context struct {
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win *x11Window
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*egl.Context
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}
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func init() {
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newX11EGLContext = func(w *x11Window) (context, error) {
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disp := egl.NativeDisplayType(unsafe.Pointer(w.display()))
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ctx, err := egl.NewContext(disp)
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if err != nil {
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return nil, err
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}
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win, _, _ := w.window()
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eglSurf := egl.NativeWindowType(uintptr(win))
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if err := ctx.CreateSurface(eglSurf); err != nil {
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ctx.Release()
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return nil, err
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}
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if err := ctx.MakeCurrent(); err != nil {
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ctx.Release()
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return nil, err
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}
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defer ctx.ReleaseCurrent()
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ctx.EnableVSync(true)
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return &x11Context{win: w, Context: ctx}, nil
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}
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}
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func (c *x11Context) Release() {
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if c.Context != nil {
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c.Context.Release()
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c.Context = nil
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}
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}
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func (c *x11Context) Refresh() error {
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return nil
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}
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func (c *x11Context) Lock() error {
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return c.Context.MakeCurrent()
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}
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func (c *x11Context) Unlock() {
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c.Context.ReleaseCurrent()
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}
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