Files
vkd3d/demos/demo_macos.h
2025-07-21 12:09:44 +02:00

325 lines
9.6 KiB
C

/*
* Copyright 2025 Henri Verbeet
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
typedef long NSInteger;
typedef unsigned long NSUInteger;
typedef struct NSPoint
{
double x, y;
} NSPoint;
typedef struct NSRect
{
double x, y;
double w, h;
} NSRect;
#define BOOL OBJC_BOOL
#include "private/appkit.h"
#include "private/foundation.h"
#include "private/quartzcore.h"
#undef BOOL
extern const id NSDefaultRunLoopMode;
enum NSBackingStoreType
{
NSBackingStoreBuffered = 2,
};
enum NSEventType
{
NSEventTypeKeyDown = 0xa,
NSEventTypeApplicationDefined = 0xf,
};
enum NSWindowStyleMask
{
NSWindowStyleMaskBorderless = 0x0000,
NSWindowStyleMaskTitled = 0x0001,
NSWindowStyleMaskClosable = 0x0002,
NSWindowStyleMaskMiniaturizable = 0x0004,
NSWindowStyleMaskResizable = 0x0008,
NSWindowStyleMaskUtilityWindow = 0x0010,
NSWindowStyleMaskDocModalWindow = 0x0040,
NSWindowStyleMaskNonactivatingPanel = 0x0080,
NSWindowStyleMaskUnifiedTitleAndToolbar = 0x1000,
NSWindowStyleMaskHUDWindow = 0x2000,
NSWindowStyleMaskFullScreen = 0x4000,
NSWindowStyleMaskFullSizeContentView = 0x8000,
};
enum
{
DemoWindowDestroyed,
};
struct demo_window_macos
{
struct demo_window w;
id window;
id layer;
};
static struct demo_window_macos *demo_macos_find_macos_window(struct demo *demo, id window)
{
size_t i;
for (i = 0; i < demo->window_count; ++i)
{
struct demo_window_macos *window_macos = CONTAINING_RECORD(demo->windows[i], struct demo_window_macos, w);
if (window_macos->window == window)
return window_macos;
}
return NULL;
}
static VkSurfaceKHR demo_window_macos_create_vk_surface(struct demo_window *window, VkInstance vk_instance)
{
struct demo_window_macos *window_macos = CONTAINING_RECORD(window, struct demo_window_macos, w);
struct VkMetalSurfaceCreateInfoEXT surface_desc;
VkSurfaceKHR vk_surface;
id l, v;
l = window_macos->layer = CAMetalLayer_layer();
CAMetalLayer_setContentsScale(l, NSScreen_backingScaleFactor(NSScreen_mainScreen()));
v = NSWindow_contentView(window_macos->window);
NSView_setLayer(v, l);
NSView_setWantsLayer(v, true);
surface_desc.sType = VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT;
surface_desc.pNext = NULL;
surface_desc.flags = 0;
surface_desc.pLayer = l;
if (vkCreateMetalSurfaceEXT(vk_instance, &surface_desc, NULL, &vk_surface) < 0)
return VK_NULL_HANDLE;
return vk_surface;
}
static void demo_window_macos_destroy(struct demo_window *window)
{
struct demo_window_macos *window_macos = CONTAINING_RECORD(window, struct demo_window_macos, w);
NSWindow_close(window_macos->window);
}
static void demo_window_macos_destroyed(struct demo_window_macos *window_macos)
{
CAMetalLayer_release(window_macos->layer);
NSWindow_release(window_macos->window);
demo_window_cleanup(&window_macos->w);
free(window_macos);
}
static struct demo_window *demo_window_macos_create(struct demo *demo,
const char *title, unsigned int width, unsigned int height, void *user_data)
{
unsigned long style = NSWindowStyleMaskTitled | NSWindowStyleMaskClosable;
struct demo_window_macos *window_macos;
NSRect r = {0, 0, width, height};
double scale;
id w, s;
if (!(window_macos = malloc(sizeof(*window_macos))))
return NULL;
if (!demo_window_init(&window_macos->w, demo, user_data,
demo_window_macos_create_vk_surface, demo_window_macos_destroy))
{
free(window_macos);
return NULL;
}
s = NSScreen_mainScreen();
scale = NSScreen_backingScaleFactor(s);
r.w /= scale;
r.h /= scale;
w = window_macos->window = class_createInstance(objc_getClass("DemoWindow"), 0);
NSWindow_initWithContentRect(w, r, style, NSBackingStoreBuffered, true, s);
NSWindow_setReleasedWhenClosed(w, false);
NSWindow_setDelegate(w, w);
NSWindow_center(w);
NSWindow_setTitle(w, NSString_stringWithUTF8String(title));
NSWindow_makeKeyAndOrderFront(w, nil);
window_macos->layer = nil;
return &window_macos->w;
}
static void demo_macos_get_dpi(struct demo *demo, double *dpi_x, double *dpi_y)
{
*dpi_x = *dpi_y = 96.0 * NSScreen_backingScaleFactor(NSScreen_mainScreen());
}
static demo_key demo_key_from_nsevent(id event)
{
enum vkey
{
kVK_ANSI_A = 0x00,
kVK_ANSI_F = 0x03,
kVK_ANSI_W = 0x0d,
kVK_ANSI_Equal = 0x18,
kVK_ANSI_Minus = 0x1b,
kVK_Escape = 0x35,
kVK_ANSI_KeypadPlus = 0x45,
kVK_ANSI_KeypadMinus = 0x4e,
kVK_F1 = 0x7a,
kVK_LeftArrow = 0x7b,
kVK_RightArrow = 0x7c,
kVK_DownArrow = 0x7d,
kVK_UpArrow = 0x7e,
} vkey;
size_t i;
static const struct
{
enum vkey vkey;
demo_key demo_key;
}
lookup[] =
{
{kVK_ANSI_A, 'a'},
{kVK_ANSI_F, 'f'},
{kVK_ANSI_W, 'w'},
{kVK_ANSI_Equal, '='},
{kVK_ANSI_Minus, '-'},
{kVK_Escape, DEMO_KEY_ESCAPE},
{kVK_ANSI_KeypadPlus, DEMO_KEY_KP_ADD},
{kVK_ANSI_KeypadMinus, DEMO_KEY_KP_SUBTRACT},
{kVK_F1, DEMO_KEY_F1},
{kVK_LeftArrow, DEMO_KEY_LEFT},
{kVK_RightArrow, DEMO_KEY_RIGHT},
{kVK_DownArrow, DEMO_KEY_DOWN},
{kVK_UpArrow, DEMO_KEY_UP},
};
vkey = NSEvent_keyCode(event);
for (i = 0; i < ARRAY_SIZE(lookup); ++i)
{
if (lookup[i].vkey == vkey)
return lookup[i].demo_key;
}
return DEMO_KEY_UNKNOWN;
}
static void demo_macos_process_events(struct demo *demo)
{
struct demo_window_macos *window_macos;
struct demo_window *window;
id a, event;
size_t i;
for (i = 0; i < demo->window_count; ++i)
{
if ((window = demo->windows[i])->expose_func)
window->expose_func(window, window->user_data);
}
a = NSApplication_sharedApplication();
while (demo->window_count)
{
if (!demo->idle_func)
{
if (!(event = NSApplication_nextEventMatchingMask(a, ~(uint64_t)0,
NSDate_distantFuture(), NSDefaultRunLoopMode, true)))
break;
}
else if (!(event = NSApplication_nextEventMatchingMask(a, ~(uint64_t)0, nil, NSDefaultRunLoopMode, true)))
{
demo->idle_func(demo, demo->user_data);
continue;
}
switch (NSEvent_type(event))
{
case NSEventTypeKeyDown:
if (NSMenu_performKeyEquivalent(NSApplication_mainMenu(a), event))
continue;
if (!(window_macos = demo_macos_find_macos_window(demo, NSEvent_window(event)))
|| !window_macos->w.key_press_func)
break;
window_macos->w.key_press_func(&window_macos->w,
demo_key_from_nsevent(event), window_macos->w.user_data);
continue;
case NSEventTypeApplicationDefined:
if (NSEvent_subtype(event) != DemoWindowDestroyed
|| !(window_macos = demo_macos_find_macos_window(demo, NSEvent_window(event))))
break;
demo_window_macos_destroyed(window_macos);
continue;
}
NSApplication_sendEvent(a, event);
}
}
static void DemoWindow_windowWillClose(id window, SEL sel, id notification)
{
id event;
event = NSEvent_otherEventWithType(NSEventTypeApplicationDefined, (NSPoint){0.0, 0.0},
0, 0.0, NSWindow_windowNumber(window), nil, DemoWindowDestroyed, 0, 0);
NSApplication_postEvent(NSApplication_sharedApplication(), event, true);
}
static void demo_macos_cleanup(struct demo *demo)
{
}
static bool demo_macos_init(struct demo_macos *macos)
{
id application, item, menu, submenu;
Class c;
if ((c = objc_allocateClassPair(objc_getClass("NSWindow"), "DemoWindow", 0)))
{
class_addMethod(c, sel_registerName("windowWillClose:"), (IMP)DemoWindow_windowWillClose, "v@:@");
objc_registerClassPair(c);
}
application = NSApplication_sharedApplication();
NSApplication_setActivationPolicy(application, 0);
menu = NSMenu_new();
submenu = NSMenu_new();
NSMenu_addItemWithTitle(submenu, NSString_stringWithUTF8String("Quit"),
sel_registerName("terminate:"), NSString_stringWithUTF8String("q"));
item = NSMenuItem_new();
NSMenuItem_setSubmenu(item, submenu);
NSMenu_release(submenu);
NSMenu_addItem(menu, item);
NSMenuItem_release(item);
NSApplication_setMainMenu(application, menu);
NSMenu_release(menu);
NSApplication_finishLaunching(application);
return true;
}