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// SPDX-License-Identifier: Unlicense OR MIT
// +build darwin,!ios,nometal
@import AppKit;
#include <CoreFoundation/CoreFoundation.h>
#include <OpenGL/OpenGL.h>
#include "_cgo_export.h"
CALayer *gio_layerFactory(void) {
@autoreleasepool {
return [CALayer layer];
}
}
CFTypeRef gio_createGLContext(void) {
@autoreleasepool {
NSOpenGLPixelFormatAttribute attr[] = {
NSOpenGLPFAOpenGLProfile, NSOpenGLProfileVersion3_2Core,
NSOpenGLPFAColorSize, 24,
NSOpenGLPFAAccelerated,
// Opt-in to automatic GPU switching. CGL-only property.
kCGLPFASupportsAutomaticGraphicsSwitching,
NSOpenGLPFAAllowOfflineRenderers,
0
};
NSOpenGLPixelFormat *pixFormat = [[NSOpenGLPixelFormat alloc] initWithAttributes:attr];
NSOpenGLContext *ctx = [[NSOpenGLContext alloc] initWithFormat:pixFormat shareContext: nil];
return CFBridgingRetain(ctx);
}
}
void gio_setContextView(CFTypeRef ctxRef, CFTypeRef viewRef) {
NSOpenGLContext *ctx = (__bridge NSOpenGLContext *)ctxRef;
NSView *view = (__bridge NSView *)viewRef;
[view setWantsBestResolutionOpenGLSurface:YES];
[ctx setView:view];
}
void gio_clearCurrentContext(void) {
@autoreleasepool {
[NSOpenGLContext clearCurrentContext];
}
}
void gio_updateContext(CFTypeRef ctxRef) {
@autoreleasepool {
NSOpenGLContext *ctx = (__bridge NSOpenGLContext *)ctxRef;
[ctx update];
}
}
void gio_makeCurrentContext(CFTypeRef ctxRef) {
@autoreleasepool {
NSOpenGLContext *ctx = (__bridge NSOpenGLContext *)ctxRef;
[ctx makeCurrentContext];
}
}
void gio_lockContext(CFTypeRef ctxRef) {
@autoreleasepool {
NSOpenGLContext *ctx = (__bridge NSOpenGLContext *)ctxRef;
CGLLockContext([ctx CGLContextObj]);
}
}
void gio_unlockContext(CFTypeRef ctxRef) {
@autoreleasepool {
NSOpenGLContext *ctx = (__bridge NSOpenGLContext *)ctxRef;
CGLUnlockContext([ctx CGLContextObj]);
}
}
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