vulkan_test2

annotate src/wsys_x11.c @ 5:cec4b0e7fce8

find changesets by author, revision, files, or words in the commit message
created swapchain
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 22 Sep 2017 17:48:18 +0300
parents c31c4115d44a
children 1dd2c7398afc
rev   line source
nuclear@4 1 #include <stdio.h>
nuclear@4 2 #include <stdlib.h>
nuclear@4 3 #include <X11/Xlib.h>
nuclear@4 4 #include <X11/Xutil.h>
nuclear@4 5 #include "wsys.h"
nuclear@4 6 #include "vku.h"
nuclear@4 7
nuclear@4 8 struct callbacks {
nuclear@4 9 void (*display)(void);
nuclear@4 10 void (*reshape)(int, int);
nuclear@4 11 void (*keyboard)(int, int);
nuclear@4 12 void (*mouse)(int, int, int, int);
nuclear@4 13 void (*motion)(int, int);
nuclear@4 14 void (*passive)(int, int);
nuclear@4 15 };
nuclear@4 16
nuclear@4 17 enum {
nuclear@4 18 QUIT = 1,
nuclear@4 19 RESHAPE = 2,
nuclear@4 20 REDISPLAY = 4
nuclear@4 21 };
nuclear@4 22
nuclear@4 23 static void proc_event(XEvent *ev);
nuclear@4 24
nuclear@4 25 static Display *dpy;
nuclear@4 26 static Window win;
nuclear@5 27 static VkSurfaceKHR surf;
nuclear@5 28 static VkSwapchainKHR swapchain;
nuclear@4 29 static Atom xa_wm_delete;
nuclear@4 30 static int win_width, win_height;
nuclear@4 31 static int win_mapped;
nuclear@4 32 static unsigned int evmask = StructureNotifyMask | ExposureMask;
nuclear@4 33 static unsigned int pending;
nuclear@4 34 static struct callbacks cb;
nuclear@4 35
nuclear@4 36 int wsys_create_window(int xsz, int ysz)
nuclear@4 37 {
nuclear@4 38 int i, scr, num_visuals;
nuclear@4 39 Window root_win;
nuclear@4 40 Visual *vis = 0;
nuclear@4 41 XSetWindowAttributes xattr;
nuclear@4 42 unsigned int xattr_mask;
nuclear@4 43 XVisualInfo *vinf, vinf_match;
nuclear@4 44
nuclear@4 45 if(!(dpy = XOpenDisplay(0))) {
nuclear@4 46 fprintf(stderr, "failed to open connection to the X server\n");
nuclear@4 47 return -1;
nuclear@4 48 }
nuclear@4 49 scr = DefaultScreen(dpy);
nuclear@4 50 root_win = RootWindow(dpy, scr);
nuclear@4 51
nuclear@4 52 xa_wm_delete = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
nuclear@4 53
nuclear@4 54 vinf_match.screen = scr;
nuclear@4 55 vinf_match.depth = 24;
nuclear@4 56 vinf_match.class = TrueColor;
nuclear@4 57
nuclear@4 58 if(!(vinf = XGetVisualInfo(dpy, VisualScreenMask | VisualDepthMask | VisualClassMask, &vinf_match, &num_visuals))) {
nuclear@4 59 fprintf(stderr, "failed to retrieve matching visuals\n");
nuclear@4 60 XCloseDisplay(dpy);
nuclear@4 61 return -1;
nuclear@4 62 }
nuclear@4 63
nuclear@4 64 for(i=0; i<num_visuals; i++) {
nuclear@4 65 if(vku_xlib_usable_visual(dpy, vinf[i].visualid)) {
nuclear@4 66 vis = vinf[i].visual;
nuclear@4 67 break;
nuclear@4 68 }
nuclear@4 69 }
nuclear@4 70 if(!vis) {
nuclear@4 71 fprintf(stderr, "failed to find approprate visual\n");
nuclear@4 72 XFree(vinf);
nuclear@4 73 XCloseDisplay(dpy);
nuclear@4 74 return -1;
nuclear@4 75 }
nuclear@4 76
nuclear@4 77 xattr.background_pixel = xattr.border_pixel = BlackPixel(dpy, scr);
nuclear@4 78 xattr.colormap = XCreateColormap(dpy, root_win, vis, AllocNone);
nuclear@4 79 xattr_mask = CWBackPixel | CWBorderPixel | CWColormap;
nuclear@4 80
nuclear@4 81 if(!(win = XCreateWindow(dpy, root_win, 0, 0, xsz, ysz, 0, 24, InputOutput, vis, xattr_mask, &xattr))) {
nuclear@4 82 fprintf(stderr, "failed to create X window\n");
nuclear@4 83 XFree(vinf);
nuclear@4 84 XCloseDisplay(dpy);
nuclear@4 85 return -1;
nuclear@4 86 }
nuclear@4 87 XFree(vinf);
nuclear@4 88
nuclear@4 89 XSelectInput(dpy, win, evmask);
nuclear@4 90 XSetWMProtocols(dpy, win, &xa_wm_delete, 1);
nuclear@4 91
nuclear@5 92 if(!(surf = vku_xlib_create_surface(dpy, win))) {
nuclear@5 93 fprintf(stderr, "failed to create vulkan surface for the window\n");
nuclear@5 94 XDestroyWindow(dpy, win);
nuclear@5 95 XCloseDisplay(dpy);
nuclear@5 96 return -1;
nuclear@5 97 }
nuclear@5 98 /* swapchain gets created before the first reshape invocation */
nuclear@5 99
nuclear@4 100 wsys_set_window_title("X11 window");
nuclear@4 101 XMapWindow(dpy, win);
nuclear@4 102
nuclear@4 103 win_width = xsz;
nuclear@4 104 win_height = ysz;
nuclear@4 105 pending = RESHAPE | REDISPLAY;
nuclear@4 106
nuclear@4 107 return 0;
nuclear@4 108 }
nuclear@4 109
nuclear@4 110 void wsys_destroy_window(void)
nuclear@4 111 {
nuclear@4 112 if(dpy) {
nuclear@4 113 if(win) {
nuclear@4 114 XDestroyWindow(dpy, win);
nuclear@4 115 win = 0;
nuclear@4 116 }
nuclear@4 117 XCloseDisplay(dpy);
nuclear@4 118 dpy = 0;
nuclear@4 119 }
nuclear@4 120 }
nuclear@4 121
nuclear@4 122 void wsys_get_window_size(int *xsz, int *ysz)
nuclear@4 123 {
nuclear@4 124 *xsz = win_width;
nuclear@4 125 *ysz = win_height;
nuclear@4 126 }
nuclear@4 127
nuclear@4 128 void wsys_set_window_title(const char *title)
nuclear@4 129 {
nuclear@4 130 XTextProperty text;
nuclear@4 131 XStringListToTextProperty((char**)&title, 1, &text);
nuclear@4 132 XSetWMName(dpy, win, &text);
nuclear@4 133 XSetWMIconName(dpy, win, &text);
nuclear@4 134 XFree(text.value);
nuclear@4 135 }
nuclear@4 136
nuclear@4 137 void wsys_display_callback(void (*func)(void))
nuclear@4 138 {
nuclear@4 139 cb.display = func;
nuclear@4 140 }
nuclear@4 141
nuclear@4 142 void wsys_reshape_callback(void (*func)(int, int))
nuclear@4 143 {
nuclear@4 144 cb.reshape = func;
nuclear@4 145 }
nuclear@4 146
nuclear@4 147 void wsys_keyboard_callback(void (*func)(int, int))
nuclear@4 148 {
nuclear@4 149 cb.keyboard = func;
nuclear@4 150 if(func) {
nuclear@4 151 evmask |= KeyPressMask | KeyReleaseMask;
nuclear@4 152 } else {
nuclear@4 153 evmask &= ~(KeyPressMask | KeyReleaseMask);
nuclear@4 154 }
nuclear@4 155 if(win) {
nuclear@4 156 XSelectInput(dpy, win, evmask);
nuclear@4 157 }
nuclear@4 158 }
nuclear@4 159
nuclear@4 160 void wsys_mouse_callback(void (*func)(int, int, int, int))
nuclear@4 161 {
nuclear@4 162 cb.mouse = func;
nuclear@4 163 if(func) {
nuclear@4 164 evmask |= ButtonPressMask | ButtonReleaseMask;
nuclear@4 165 } else {
nuclear@4 166 evmask &= ~(ButtonPressMask | ButtonReleaseMask);
nuclear@4 167 }
nuclear@4 168 if(win) {
nuclear@4 169 XSelectInput(dpy, win, evmask);
nuclear@4 170 }
nuclear@4 171 }
nuclear@4 172
nuclear@4 173 void wsys_motion_callback(void (*func)(int, int))
nuclear@4 174 {
nuclear@4 175 cb.motion = func;
nuclear@4 176 if(func) {
nuclear@4 177 evmask |= ButtonMotionMask;
nuclear@4 178 } else {
nuclear@4 179 evmask &= ~ButtonMotionMask;
nuclear@4 180 }
nuclear@4 181 if(win) {
nuclear@4 182 XSelectInput(dpy, win, evmask);
nuclear@4 183 }
nuclear@4 184 }
nuclear@4 185
nuclear@4 186 void wsys_passive_motion_callback(void (*func)(int, int))
nuclear@4 187 {
nuclear@4 188 cb.passive = func;
nuclear@4 189 if(func) {
nuclear@4 190 evmask |= PointerMotionMask;
nuclear@4 191 } else {
nuclear@4 192 evmask &= ~PointerMotionMask;
nuclear@4 193 }
nuclear@4 194 if(win) {
nuclear@4 195 XSelectInput(dpy, win, evmask);
nuclear@4 196 }
nuclear@4 197 }
nuclear@4 198
nuclear@4 199 void wsys_swap_buffers(void)
nuclear@4 200 {
nuclear@4 201 /* TODO */
nuclear@4 202 }
nuclear@4 203
nuclear@4 204 void wsys_redisplay(void)
nuclear@4 205 {
nuclear@4 206 pending |= REDISPLAY;
nuclear@4 207 }
nuclear@4 208
nuclear@4 209 void wsys_quit(void)
nuclear@4 210 {
nuclear@4 211 pending |= QUIT;
nuclear@4 212 }
nuclear@4 213
nuclear@4 214 int wsys_process_events(int mode)
nuclear@4 215 {
nuclear@4 216 XEvent xev;
nuclear@4 217
nuclear@4 218 if(pending & RESHAPE) {
nuclear@5 219 VkSwapchainKHR sc;
nuclear@5 220 if(!(sc = vku_create_swapchain(surf, win_width, win_height, 2, VK_PRESENT_MODE_FIFO_KHR, swapchain))) {
nuclear@5 221 fprintf(stderr, "Failed to create %dx%d double-buffered swapchain\n", win_width, win_height);
nuclear@5 222 return -1;
nuclear@5 223 }
nuclear@5 224 swapchain = sc;
nuclear@5 225
nuclear@4 226 if(cb.reshape) {
nuclear@4 227 cb.reshape(win_width, win_height);
nuclear@4 228 }
nuclear@4 229 pending &= ~RESHAPE;
nuclear@4 230 }
nuclear@4 231
nuclear@4 232 if(mode == WSYS_BLOCKING) {
nuclear@4 233 XNextEvent(dpy, &xev);
nuclear@4 234 proc_event(&xev);
nuclear@4 235 if(pending & QUIT) return -1;
nuclear@4 236 }
nuclear@4 237
nuclear@4 238 while(XPending(dpy)) {
nuclear@4 239 XNextEvent(dpy, &xev);
nuclear@4 240 proc_event(&xev);
nuclear@4 241 if(pending & QUIT) return -1;
nuclear@4 242 }
nuclear@4 243
nuclear@4 244 if(pending & REDISPLAY && win_mapped) {
nuclear@4 245 pending &= ~REDISPLAY;
nuclear@4 246 if(cb.display) {
nuclear@4 247 cb.display();
nuclear@4 248 }
nuclear@4 249 }
nuclear@4 250 return 0;
nuclear@4 251 }
nuclear@4 252
nuclear@4 253 static void proc_event(XEvent *ev)
nuclear@4 254 {
nuclear@4 255 switch(ev->type) {
nuclear@4 256 case MapNotify:
nuclear@4 257 win_mapped = 1;
nuclear@4 258 break;
nuclear@4 259
nuclear@4 260 case UnmapNotify:
nuclear@4 261 win_mapped = 0;
nuclear@4 262 break;
nuclear@4 263
nuclear@4 264 case ClientMessage:
nuclear@4 265 if(ev->xclient.data.l[0] == xa_wm_delete) {
nuclear@4 266 pending |= QUIT;
nuclear@4 267 }
nuclear@4 268 break;
nuclear@4 269
nuclear@4 270 case ConfigureNotify:
nuclear@4 271 if(ev->xconfigure.width != win_width || ev->xconfigure.height != win_height) {
nuclear@4 272 win_width = ev->xconfigure.width;
nuclear@4 273 win_height = ev->xconfigure.height;
nuclear@4 274 pending |= RESHAPE;
nuclear@4 275 }
nuclear@4 276 break;
nuclear@4 277
nuclear@4 278 case Expose:
nuclear@4 279 if(ev->xexpose.count == 0) {
nuclear@4 280 pending |= REDISPLAY;
nuclear@4 281 }
nuclear@4 282 break;
nuclear@4 283
nuclear@4 284 case KeyPress:
nuclear@4 285 case KeyRelease:
nuclear@4 286 if(cb.keyboard) {
nuclear@4 287 KeySym sym;
nuclear@4 288 char str[16];
nuclear@4 289 XLookupString(&ev->xkey, str, sizeof str, &sym, 0);
nuclear@4 290 cb.keyboard(sym & 0xff, ev->type == KeyPress ? 1 : 0);
nuclear@4 291 }
nuclear@4 292 break;
nuclear@4 293
nuclear@4 294 case ButtonPress:
nuclear@4 295 case ButtonRelease:
nuclear@4 296 if(cb.mouse) {
nuclear@4 297 int bn = ev->xbutton.button - Button1;
nuclear@4 298 int pressed = ev->type == ButtonPress ? 1 : 0;
nuclear@4 299 cb.mouse(bn, pressed, ev->xbutton.x, ev->xbutton.y);
nuclear@4 300 }
nuclear@4 301 break;
nuclear@4 302
nuclear@4 303 case MotionNotify:
nuclear@4 304 if(ev->xmotion.state & 0x1f00) {
nuclear@4 305 if(cb.motion) {
nuclear@4 306 cb.motion(ev->xmotion.x, ev->xmotion.y);
nuclear@4 307 }
nuclear@4 308 } else {
nuclear@4 309 if(cb.passive) {
nuclear@4 310 cb.passive(ev->xmotion.x, ev->xmotion.y);
nuclear@4 311 }
nuclear@4 312 }
nuclear@4 313 break;
nuclear@4 314 }
nuclear@4 315 }