native_ximage.c revision 828d944fd6670b44b2dd640a92bc0f9fe983a520
1/* 2 * Mesa 3-D graphics library 3 * Version: 7.8 4 * 5 * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 */ 25 26#include <X11/Xlib.h> 27#include <X11/Xutil.h> 28#include "util/u_memory.h" 29#include "util/u_math.h" 30#include "util/u_format.h" 31#include "pipe/p_compiler.h" 32#include "util/u_inlines.h" 33#include "state_tracker/xlib_sw_winsys.h" 34#include "util/u_debug.h" 35#include "egllog.h" 36 37#include "common/native_helper.h" 38#include "native_x11.h" 39#include "x11_screen.h" 40 41enum ximage_surface_type { 42 XIMAGE_SURFACE_TYPE_WINDOW, 43 XIMAGE_SURFACE_TYPE_PIXMAP, 44}; 45 46struct ximage_display { 47 struct native_display base; 48 Display *dpy; 49 boolean own_dpy; 50 51 struct native_event_handler *event_handler; 52 53 struct x11_screen *xscr; 54 int xscr_number; 55 56 struct ximage_config *configs; 57 int num_configs; 58}; 59 60struct ximage_surface { 61 struct native_surface base; 62 Drawable drawable; 63 enum ximage_surface_type type; 64 enum pipe_format color_format; 65 XVisualInfo visual; 66 struct ximage_display *xdpy; 67 68 unsigned int server_stamp; 69 unsigned int client_stamp; 70 71 struct resource_surface *rsurf; 72 struct xlib_drawable xdraw; 73}; 74 75struct ximage_config { 76 struct native_config base; 77 const XVisualInfo *visual; 78}; 79 80static INLINE struct ximage_display * 81ximage_display(const struct native_display *ndpy) 82{ 83 return (struct ximage_display *) ndpy; 84} 85 86static INLINE struct ximage_surface * 87ximage_surface(const struct native_surface *nsurf) 88{ 89 return (struct ximage_surface *) nsurf; 90} 91 92static INLINE struct ximage_config * 93ximage_config(const struct native_config *nconf) 94{ 95 return (struct ximage_config *) nconf; 96} 97 98/** 99 * Update the geometry of the surface. This is a slow functions. 100 */ 101static void 102ximage_surface_update_geometry(struct native_surface *nsurf) 103{ 104 struct ximage_surface *xsurf = ximage_surface(nsurf); 105 Status ok; 106 Window root; 107 int x, y; 108 unsigned int w, h, border, depth; 109 110 ok = XGetGeometry(xsurf->xdpy->dpy, xsurf->drawable, 111 &root, &x, &y, &w, &h, &border, &depth); 112 if (ok && resource_surface_set_size(xsurf->rsurf, w, h)) 113 xsurf->server_stamp++; 114} 115 116/** 117 * Update the buffers of the surface. 118 */ 119static boolean 120ximage_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask) 121{ 122 struct ximage_surface *xsurf = ximage_surface(nsurf); 123 124 if (xsurf->client_stamp != xsurf->server_stamp) { 125 ximage_surface_update_geometry(&xsurf->base); 126 xsurf->client_stamp = xsurf->server_stamp; 127 } 128 129 return resource_surface_add_resources(xsurf->rsurf, buffer_mask); 130} 131 132/** 133 * Emulate an invalidate event. 134 */ 135static void 136ximage_surface_invalidate(struct native_surface *nsurf) 137{ 138 struct ximage_surface *xsurf = ximage_surface(nsurf); 139 struct ximage_display *xdpy = xsurf->xdpy; 140 141 xsurf->server_stamp++; 142 xdpy->event_handler->invalid_surface(&xdpy->base, 143 &xsurf->base, xsurf->server_stamp); 144} 145 146static boolean 147ximage_surface_flush_frontbuffer(struct native_surface *nsurf) 148{ 149 struct ximage_surface *xsurf = ximage_surface(nsurf); 150 boolean ret; 151 152 ret = resource_surface_present(xsurf->rsurf, 153 NATIVE_ATTACHMENT_FRONT_LEFT, (void *) &xsurf->xdraw); 154 /* force buffers to be updated in next validation call */ 155 ximage_surface_invalidate(&xsurf->base); 156 157 return ret; 158} 159 160static boolean 161ximage_surface_swap_buffers(struct native_surface *nsurf) 162{ 163 struct ximage_surface *xsurf = ximage_surface(nsurf); 164 boolean ret; 165 166 ret = resource_surface_present(xsurf->rsurf, 167 NATIVE_ATTACHMENT_BACK_LEFT, (void *) &xsurf->xdraw); 168 169 resource_surface_swap_buffers(xsurf->rsurf, 170 NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, TRUE); 171 /* the front/back buffers have been swapped */ 172 ximage_surface_invalidate(&xsurf->base); 173 174 return ret; 175} 176 177static boolean 178ximage_surface_present(struct native_surface *nsurf, 179 enum native_attachment natt, 180 boolean preserve, 181 uint swap_interval) 182{ 183 boolean ret; 184 185 if (preserve || swap_interval) 186 return FALSE; 187 188 switch (natt) { 189 case NATIVE_ATTACHMENT_FRONT_LEFT: 190 ret = ximage_surface_flush_frontbuffer(nsurf); 191 break; 192 case NATIVE_ATTACHMENT_BACK_LEFT: 193 ret = ximage_surface_swap_buffers(nsurf); 194 break; 195 default: 196 ret = FALSE; 197 break; 198 } 199 200 return ret; 201} 202 203static boolean 204ximage_surface_validate(struct native_surface *nsurf, uint attachment_mask, 205 unsigned int *seq_num, struct pipe_resource **textures, 206 int *width, int *height) 207{ 208 struct ximage_surface *xsurf = ximage_surface(nsurf); 209 uint w, h; 210 211 if (!ximage_surface_update_buffers(&xsurf->base, attachment_mask)) 212 return FALSE; 213 214 if (seq_num) 215 *seq_num = xsurf->client_stamp; 216 217 if (textures) 218 resource_surface_get_resources(xsurf->rsurf, textures, attachment_mask); 219 220 resource_surface_get_size(xsurf->rsurf, &w, &h); 221 if (width) 222 *width = w; 223 if (height) 224 *height = h; 225 226 return TRUE; 227} 228 229static void 230ximage_surface_wait(struct native_surface *nsurf) 231{ 232 struct ximage_surface *xsurf = ximage_surface(nsurf); 233 XSync(xsurf->xdpy->dpy, FALSE); 234 /* TODO XGetImage and update the front texture */ 235} 236 237static void 238ximage_surface_destroy(struct native_surface *nsurf) 239{ 240 struct ximage_surface *xsurf = ximage_surface(nsurf); 241 242 resource_surface_destroy(xsurf->rsurf); 243 FREE(xsurf); 244} 245 246static struct ximage_surface * 247ximage_display_create_surface(struct native_display *ndpy, 248 enum ximage_surface_type type, 249 Drawable drawable, 250 const struct native_config *nconf) 251{ 252 struct ximage_display *xdpy = ximage_display(ndpy); 253 struct ximage_config *xconf = ximage_config(nconf); 254 struct ximage_surface *xsurf; 255 256 xsurf = CALLOC_STRUCT(ximage_surface); 257 if (!xsurf) 258 return NULL; 259 260 xsurf->xdpy = xdpy; 261 xsurf->type = type; 262 xsurf->color_format = xconf->base.color_format; 263 xsurf->drawable = drawable; 264 265 xsurf->rsurf = resource_surface_create(xdpy->base.screen, 266 xsurf->color_format, 267 PIPE_BIND_RENDER_TARGET | 268 PIPE_BIND_SAMPLER_VIEW | 269 PIPE_BIND_DISPLAY_TARGET | 270 PIPE_BIND_SCANOUT); 271 if (!xsurf->rsurf) { 272 FREE(xsurf); 273 return NULL; 274 } 275 276 xsurf->drawable = drawable; 277 xsurf->visual = *xconf->visual; 278 /* initialize the geometry */ 279 ximage_surface_update_geometry(&xsurf->base); 280 281 xsurf->xdraw.visual = xsurf->visual.visual; 282 xsurf->xdraw.depth = xsurf->visual.depth; 283 xsurf->xdraw.drawable = xsurf->drawable; 284 285 xsurf->base.destroy = ximage_surface_destroy; 286 xsurf->base.present = ximage_surface_present; 287 xsurf->base.validate = ximage_surface_validate; 288 xsurf->base.wait = ximage_surface_wait; 289 290 return xsurf; 291} 292 293static struct native_surface * 294ximage_display_create_window_surface(struct native_display *ndpy, 295 EGLNativeWindowType win, 296 const struct native_config *nconf) 297{ 298 struct ximage_surface *xsurf; 299 300 xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_WINDOW, 301 (Drawable) win, nconf); 302 return (xsurf) ? &xsurf->base : NULL; 303} 304 305static struct native_surface * 306ximage_display_create_pixmap_surface(struct native_display *ndpy, 307 EGLNativePixmapType pix, 308 const struct native_config *nconf) 309{ 310 struct ximage_surface *xsurf; 311 312 xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_PIXMAP, 313 (Drawable) pix, nconf); 314 return (xsurf) ? &xsurf->base : NULL; 315} 316 317static enum pipe_format 318choose_format(const XVisualInfo *vinfo) 319{ 320 enum pipe_format fmt; 321 /* TODO elaborate the formats */ 322 switch (vinfo->depth) { 323 case 32: 324 fmt = PIPE_FORMAT_B8G8R8A8_UNORM; 325 break; 326 case 24: 327 fmt = PIPE_FORMAT_B8G8R8X8_UNORM; 328 break; 329 case 16: 330 fmt = PIPE_FORMAT_B5G6R5_UNORM; 331 break; 332 default: 333 fmt = PIPE_FORMAT_NONE; 334 break; 335 } 336 337 return fmt; 338} 339 340static const struct native_config ** 341ximage_display_get_configs(struct native_display *ndpy, int *num_configs) 342{ 343 struct ximage_display *xdpy = ximage_display(ndpy); 344 const struct native_config **configs; 345 int i; 346 347 /* first time */ 348 if (!xdpy->configs) { 349 const XVisualInfo *visuals; 350 int num_visuals, count; 351 352 visuals = x11_screen_get_visuals(xdpy->xscr, &num_visuals); 353 if (!visuals) 354 return NULL; 355 356 /* 357 * Create two configs for each visual. 358 * One with depth/stencil buffer; one without 359 */ 360 xdpy->configs = CALLOC(num_visuals * 2, sizeof(*xdpy->configs)); 361 if (!xdpy->configs) 362 return NULL; 363 364 count = 0; 365 for (i = 0; i < num_visuals; i++) { 366 struct ximage_config *xconf = &xdpy->configs[count]; 367 368 xconf->visual = &visuals[i]; 369 xconf->base.color_format = choose_format(xconf->visual); 370 if (xconf->base.color_format == PIPE_FORMAT_NONE) 371 continue; 372 373 xconf->base.buffer_mask = 374 (1 << NATIVE_ATTACHMENT_FRONT_LEFT) | 375 (1 << NATIVE_ATTACHMENT_BACK_LEFT); 376 377 xconf->base.window_bit = TRUE; 378 xconf->base.pixmap_bit = TRUE; 379 380 xconf->base.native_visual_id = xconf->visual->visualid; 381#if defined(__cplusplus) || defined(c_plusplus) 382 xconf->base.native_visual_type = xconf->visual->c_class; 383#else 384 xconf->base.native_visual_type = xconf->visual->class; 385#endif 386 387 xconf->base.slow_config = TRUE; 388 389 count++; 390 } 391 392 xdpy->num_configs = count; 393 } 394 395 configs = MALLOC(xdpy->num_configs * sizeof(*configs)); 396 if (configs) { 397 for (i = 0; i < xdpy->num_configs; i++) 398 configs[i] = (const struct native_config *) &xdpy->configs[i]; 399 if (num_configs) 400 *num_configs = xdpy->num_configs; 401 } 402 return configs; 403} 404 405static boolean 406ximage_display_is_pixmap_supported(struct native_display *ndpy, 407 EGLNativePixmapType pix, 408 const struct native_config *nconf) 409{ 410 struct ximage_display *xdpy = ximage_display(ndpy); 411 enum pipe_format fmt; 412 uint depth; 413 414 depth = x11_drawable_get_depth(xdpy->xscr, (Drawable) pix); 415 switch (depth) { 416 case 32: 417 fmt = PIPE_FORMAT_B8G8R8A8_UNORM; 418 break; 419 case 24: 420 fmt = PIPE_FORMAT_B8G8R8X8_UNORM; 421 break; 422 case 16: 423 fmt = PIPE_FORMAT_B5G6R5_UNORM; 424 break; 425 default: 426 fmt = PIPE_FORMAT_NONE; 427 break; 428 } 429 430 return (fmt == nconf->color_format); 431} 432 433static int 434ximage_display_get_param(struct native_display *ndpy, 435 enum native_param_type param) 436{ 437 int val; 438 439 switch (param) { 440 case NATIVE_PARAM_USE_NATIVE_BUFFER: 441 /* private buffers are allocated */ 442 val = FALSE; 443 break; 444 case NATIVE_PARAM_PRESERVE_BUFFER: 445 case NATIVE_PARAM_MAX_SWAP_INTERVAL: 446 default: 447 val = 0; 448 break; 449 } 450 451 return val; 452} 453 454static void 455ximage_display_destroy(struct native_display *ndpy) 456{ 457 struct ximage_display *xdpy = ximage_display(ndpy); 458 459 if (xdpy->configs) 460 FREE(xdpy->configs); 461 462 xdpy->base.screen->destroy(xdpy->base.screen); 463 464 x11_screen_destroy(xdpy->xscr); 465 if (xdpy->own_dpy) 466 XCloseDisplay(xdpy->dpy); 467 FREE(xdpy); 468} 469 470struct native_display * 471x11_create_ximage_display(Display *dpy, 472 struct native_event_handler *event_handler, 473 void *user_data) 474{ 475 struct ximage_display *xdpy; 476 struct sw_winsys *winsys = NULL; 477 478 xdpy = CALLOC_STRUCT(ximage_display); 479 if (!xdpy) 480 return NULL; 481 482 xdpy->dpy = dpy; 483 if (!xdpy->dpy) { 484 xdpy->dpy = XOpenDisplay(NULL); 485 if (!xdpy->dpy) { 486 FREE(xdpy); 487 return NULL; 488 } 489 xdpy->own_dpy = TRUE; 490 } 491 492 xdpy->event_handler = event_handler; 493 xdpy->base.user_data = user_data; 494 495 xdpy->xscr_number = DefaultScreen(xdpy->dpy); 496 xdpy->xscr = x11_screen_create(xdpy->dpy, xdpy->xscr_number); 497 if (!xdpy->xscr) 498 goto fail; 499 500 winsys = xlib_create_sw_winsys(xdpy->dpy); 501 if (!winsys) 502 goto fail; 503 504 xdpy->base.screen = 505 xdpy->event_handler->new_sw_screen(&xdpy->base, winsys); 506 if (!xdpy->base.screen) 507 goto fail; 508 509 xdpy->base.destroy = ximage_display_destroy; 510 xdpy->base.get_param = ximage_display_get_param; 511 512 xdpy->base.get_configs = ximage_display_get_configs; 513 xdpy->base.is_pixmap_supported = ximage_display_is_pixmap_supported; 514 xdpy->base.create_window_surface = ximage_display_create_window_surface; 515 xdpy->base.create_pixmap_surface = ximage_display_create_pixmap_surface; 516 517 return &xdpy->base; 518 519fail: 520 if (winsys && winsys->destroy) 521 winsys->destroy(winsys); 522 if (xdpy->xscr) 523 x11_screen_destroy(xdpy->xscr); 524 if (xdpy->dpy && xdpy->own_dpy) 525 XCloseDisplay(xdpy->dpy); 526 FREE(xdpy); 527 return NULL; 528} 529