forked from joejulian/gio
Elias Naur
9b4176c475
EGL contexts don't need locking, so their Lock and Unlock methods are empty. Remove them and add them where necessary instead. Signed-off-by: Elias Naur <mail@eliasnaur.com>
55 lines
919 B
Go
55 lines
919 B
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package window
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/*
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#include <EGL/egl.h>
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*/
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import "C"
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import (
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"unsafe"
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"gioui.org/app/internal/egl"
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)
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type context struct {
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win *window
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*egl.Context
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}
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func (w *window) NewContext() (Context, error) {
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ctx, err := egl.NewContext(nil)
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if err != nil {
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return nil, err
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}
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return &context{win: w, Context: ctx}, nil
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}
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func (c *context) 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 *context) MakeCurrent() error {
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c.Context.ReleaseSurface()
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win, width, height := c.win.nativeWindow(c.Context.VisualID())
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if win == nil {
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return nil
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}
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eglSurf := egl.NativeWindowType(unsafe.Pointer(win))
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if err := c.Context.CreateSurface(eglSurf, width, height); err != nil {
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return err
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}
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if err := c.Context.MakeCurrent(); err != nil {
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return err
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}
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return nil
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}
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func (c *context) Lock() {}
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func (c *context) Unlock() {}
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