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basic gfx context
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// macOS | |
// CFLAGS += -ObjC | |
// LDFLAGS += -framework Cocoa -framework OpenGL | |
#define GL_SILENCE_DEPRECATION 1 | |
#import <Cocoa/Cocoa.h> | |
#include <OpenGL/gl.h> | |
int main() { | |
[NSApplication sharedApplication]; | |
[NSApp setActivationPolicy:NSApplicationActivationPolicyRegular]; | |
[NSApp activateIgnoringOtherApps:YES]; | |
NSWindow *window = [[NSWindow alloc] | |
initWithContentRect:NSMakeRect(0, 0, 400, 400) | |
styleMask: | |
0 | |
| NSWindowStyleMaskTitled | |
| NSWindowStyleMaskClosable | |
| NSWindowStyleMaskResizable | |
| NSWindowStyleMaskMiniaturizable | |
backing:NSBackingStoreBuffered | |
defer:NO | |
]; | |
NSOpenGLView *view = [[NSOpenGLView alloc] init]; | |
[window setContentView:view]; | |
[window makeFirstResponder:view]; | |
[window setTitle:@"hi"]; | |
[window center]; | |
[window makeKeyAndOrderFront:nil]; | |
NSOpenGLContext *ctx = [view openGLContext]; | |
[ctx makeCurrentContext]; | |
while (1) { | |
while (1) { | |
NSEvent *event = [NSApp | |
nextEventMatchingMask:NSEventMaskAny | |
untilDate:[NSDate distantPast] | |
inMode:NSDefaultRunLoopMode | |
dequeue:YES | |
]; | |
if (event == nil) { | |
break; | |
} | |
switch (event.type) { | |
case NSEventTypeKeyDown: | |
break; | |
default: | |
break; | |
} | |
[NSApp sendEvent:event]; | |
} | |
NSPoint mpos = [window mouseLocationOutsideOfEventStream]; | |
glClearColor(0, mpos.x / 400, mpos.y / 400, 1); | |
glClear(GL_COLOR_BUFFER_BIT); | |
glFlush(); | |
} | |
} | |
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