1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/gioui.org/app/gl_macos.m b/vendor/gioui.org/app/gl_macos.m
new file mode 100644
index 0000000..fe83743
--- /dev/null
+++ b/vendor/gioui.org/app/gl_macos.m
@@ -0,0 +1,74 @@
+// 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]);
+	}
+}