mirror of
https://git.sr.ht/~eliasnaur/gio
synced 2026-07-01 15:45:38 +00:00
Elias Naur
cd244f21ab
I haven't found a reliable way to re-create the context and redraw after deminiaturization or app unhide. Signed-off-by: Elias Naur <mail@eliasnaur.com>
75 lines
1.2 KiB
Go
75 lines
1.2 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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// +build darwin,!ios
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package app
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import (
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"gioui.org/ui/app/internal/gl"
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)
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/*
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#cgo CFLAGS: -DGL_SILENCE_DEPRECATION -fmodules -fobjc-arc -x objective-c
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#include <CoreFoundation/CoreFoundation.h>
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#include <CoreGraphics/CoreGraphics.h>
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#include <AppKit/AppKit.h>
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#include <OpenGL/gl3.h>
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#include "gl_macos.h"
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*/
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import "C"
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type context struct {
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c *gl.Functions
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ctx C.CFTypeRef
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view C.CFTypeRef
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}
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func init() {
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viewFactory = func() C.CFTypeRef {
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return C.gio_createGLView()
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}
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}
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func newContext(w *window) (*context, error) {
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view := w.contextView()
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ctx := C.gio_contextForView(view)
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c := &context{
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ctx: ctx,
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c: new(gl.Functions),
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view: view,
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}
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return c, nil
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}
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func (c *context) Functions() *gl.Functions {
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return c.c
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}
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func (c *context) Release() {
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c.Lock()
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defer c.Unlock()
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C.gio_clearCurrentContext()
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}
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func (c *context) Present() error {
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// Assume the caller already locked the context.
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C.glFlush()
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return nil
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}
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func (c *context) Lock() {
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C.gio_lockContext(c.ctx)
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}
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func (c *context) Unlock() {
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C.gio_unlockContext(c.ctx)
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}
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func (c *context) MakeCurrent() error {
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c.Lock()
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defer c.Unlock()
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C.gio_makeCurrentContext(c.ctx)
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return nil
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}
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