native_ximage.c revision f22665df95406567193dee0089f4830664ff4101
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_validate(struct native_surface *nsurf, uint attachment_mask, 179 unsigned int *seq_num, struct pipe_resource **textures, 180 int *width, int *height) 181{ 182 struct ximage_surface *xsurf = ximage_surface(nsurf); 183 uint w, h; 184 185 if (!ximage_surface_update_buffers(&xsurf->base, attachment_mask)) 186 return FALSE; 187 188 if (seq_num) 189 *seq_num = xsurf->client_stamp; 190 191 if (textures) 192 resource_surface_get_resources(xsurf->rsurf, textures, attachment_mask); 193 194 resource_surface_get_size(xsurf->rsurf, &w, &h); 195 if (width) 196 *width = w; 197 if (height) 198 *height = h; 199 200 return TRUE; 201} 202 203static void 204ximage_surface_wait(struct native_surface *nsurf) 205{ 206 struct ximage_surface *xsurf = ximage_surface(nsurf); 207 XSync(xsurf->xdpy->dpy, FALSE); 208 /* TODO XGetImage and update the front texture */ 209} 210 211static void 212ximage_surface_destroy(struct native_surface *nsurf) 213{ 214 struct ximage_surface *xsurf = ximage_surface(nsurf); 215 216 resource_surface_destroy(xsurf->rsurf); 217 FREE(xsurf); 218} 219 220static struct ximage_surface * 221ximage_display_create_surface(struct native_display *ndpy, 222 enum ximage_surface_type type, 223 Drawable drawable, 224 const struct native_config *nconf) 225{ 226 struct ximage_display *xdpy = ximage_display(ndpy); 227 struct ximage_config *xconf = ximage_config(nconf); 228 struct ximage_surface *xsurf; 229 230 xsurf = CALLOC_STRUCT(ximage_surface); 231 if (!xsurf) 232 return NULL; 233 234 xsurf->xdpy = xdpy; 235 xsurf->type = type; 236 xsurf->color_format = xconf->base.color_format; 237 xsurf->drawable = drawable; 238 239 xsurf->rsurf = resource_surface_create(xdpy->base.screen, 240 xsurf->color_format, 241 PIPE_BIND_RENDER_TARGET | 242 PIPE_BIND_SAMPLER_VIEW | 243 PIPE_BIND_DISPLAY_TARGET | 244 PIPE_BIND_SCANOUT); 245 if (!xsurf->rsurf) { 246 FREE(xsurf); 247 return NULL; 248 } 249 250 xsurf->drawable = drawable; 251 xsurf->visual = *xconf->visual; 252 /* initialize the geometry */ 253 ximage_surface_update_geometry(&xsurf->base); 254 255 xsurf->xdraw.visual = xsurf->visual.visual; 256 xsurf->xdraw.depth = xsurf->visual.depth; 257 xsurf->xdraw.drawable = xsurf->drawable; 258 259 xsurf->base.destroy = ximage_surface_destroy; 260 xsurf->base.swap_buffers = ximage_surface_swap_buffers; 261 xsurf->base.flush_frontbuffer = ximage_surface_flush_frontbuffer; 262 xsurf->base.validate = ximage_surface_validate; 263 xsurf->base.wait = ximage_surface_wait; 264 265 return xsurf; 266} 267 268static struct native_surface * 269ximage_display_create_window_surface(struct native_display *ndpy, 270 EGLNativeWindowType win, 271 const struct native_config *nconf) 272{ 273 struct ximage_surface *xsurf; 274 275 xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_WINDOW, 276 (Drawable) win, nconf); 277 return (xsurf) ? &xsurf->base : NULL; 278} 279 280static struct native_surface * 281ximage_display_create_pixmap_surface(struct native_display *ndpy, 282 EGLNativePixmapType pix, 283 const struct native_config *nconf) 284{ 285 struct ximage_surface *xsurf; 286 287 xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_PIXMAP, 288 (Drawable) pix, nconf); 289 return (xsurf) ? &xsurf->base : NULL; 290} 291 292static enum pipe_format 293choose_format(const XVisualInfo *vinfo) 294{ 295 enum pipe_format fmt; 296 /* TODO elaborate the formats */ 297 switch (vinfo->depth) { 298 case 32: 299 fmt = PIPE_FORMAT_B8G8R8A8_UNORM; 300 break; 301 case 24: 302 fmt = PIPE_FORMAT_B8G8R8X8_UNORM; 303 break; 304 case 16: 305 fmt = PIPE_FORMAT_B5G6R5_UNORM; 306 break; 307 default: 308 fmt = PIPE_FORMAT_NONE; 309 break; 310 } 311 312 return fmt; 313} 314 315static const struct native_config ** 316ximage_display_get_configs(struct native_display *ndpy, int *num_configs) 317{ 318 struct ximage_display *xdpy = ximage_display(ndpy); 319 const struct native_config **configs; 320 int i; 321 322 /* first time */ 323 if (!xdpy->configs) { 324 const XVisualInfo *visuals; 325 int num_visuals, count; 326 327 visuals = x11_screen_get_visuals(xdpy->xscr, &num_visuals); 328 if (!visuals) 329 return NULL; 330 331 /* 332 * Create two configs for each visual. 333 * One with depth/stencil buffer; one without 334 */ 335 xdpy->configs = CALLOC(num_visuals * 2, sizeof(*xdpy->configs)); 336 if (!xdpy->configs) 337 return NULL; 338 339 count = 0; 340 for (i = 0; i < num_visuals; i++) { 341 struct ximage_config *xconf = &xdpy->configs[count]; 342 343 xconf->visual = &visuals[i]; 344 xconf->base.color_format = choose_format(xconf->visual); 345 if (xconf->base.color_format == PIPE_FORMAT_NONE) 346 continue; 347 348 xconf->base.buffer_mask = 349 (1 << NATIVE_ATTACHMENT_FRONT_LEFT) | 350 (1 << NATIVE_ATTACHMENT_BACK_LEFT); 351 352 xconf->base.window_bit = TRUE; 353 xconf->base.pixmap_bit = TRUE; 354 355 xconf->base.native_visual_id = xconf->visual->visualid; 356#if defined(__cplusplus) || defined(c_plusplus) 357 xconf->base.native_visual_type = xconf->visual->c_class; 358#else 359 xconf->base.native_visual_type = xconf->visual->class; 360#endif 361 362 xconf->base.slow_config = TRUE; 363 364 count++; 365 } 366 367 xdpy->num_configs = count; 368 } 369 370 configs = MALLOC(xdpy->num_configs * sizeof(*configs)); 371 if (configs) { 372 for (i = 0; i < xdpy->num_configs; i++) 373 configs[i] = (const struct native_config *) &xdpy->configs[i]; 374 if (num_configs) 375 *num_configs = xdpy->num_configs; 376 } 377 return configs; 378} 379 380static boolean 381ximage_display_is_pixmap_supported(struct native_display *ndpy, 382 EGLNativePixmapType pix, 383 const struct native_config *nconf) 384{ 385 struct ximage_display *xdpy = ximage_display(ndpy); 386 enum pipe_format fmt; 387 uint depth; 388 389 depth = x11_drawable_get_depth(xdpy->xscr, (Drawable) pix); 390 switch (depth) { 391 case 32: 392 fmt = PIPE_FORMAT_B8G8R8A8_UNORM; 393 break; 394 case 24: 395 fmt = PIPE_FORMAT_B8G8R8X8_UNORM; 396 break; 397 case 16: 398 fmt = PIPE_FORMAT_B5G6R5_UNORM; 399 break; 400 default: 401 fmt = PIPE_FORMAT_NONE; 402 break; 403 } 404 405 return (fmt == nconf->color_format); 406} 407 408static int 409ximage_display_get_param(struct native_display *ndpy, 410 enum native_param_type param) 411{ 412 int val; 413 414 switch (param) { 415 case NATIVE_PARAM_USE_NATIVE_BUFFER: 416 /* private buffers are allocated */ 417 val = FALSE; 418 break; 419 default: 420 val = 0; 421 break; 422 } 423 424 return val; 425} 426 427static void 428ximage_display_destroy(struct native_display *ndpy) 429{ 430 struct ximage_display *xdpy = ximage_display(ndpy); 431 432 if (xdpy->configs) 433 FREE(xdpy->configs); 434 435 xdpy->base.screen->destroy(xdpy->base.screen); 436 437 x11_screen_destroy(xdpy->xscr); 438 if (xdpy->own_dpy) 439 XCloseDisplay(xdpy->dpy); 440 FREE(xdpy); 441} 442 443struct native_display * 444x11_create_ximage_display(Display *dpy, 445 struct native_event_handler *event_handler) 446{ 447 struct ximage_display *xdpy; 448 struct sw_winsys *winsys = NULL; 449 450 xdpy = CALLOC_STRUCT(ximage_display); 451 if (!xdpy) 452 return NULL; 453 454 xdpy->dpy = dpy; 455 if (!xdpy->dpy) { 456 xdpy->dpy = XOpenDisplay(NULL); 457 if (!xdpy->dpy) { 458 FREE(xdpy); 459 return NULL; 460 } 461 xdpy->own_dpy = TRUE; 462 } 463 464 xdpy->event_handler = event_handler; 465 466 xdpy->xscr_number = DefaultScreen(xdpy->dpy); 467 xdpy->xscr = x11_screen_create(xdpy->dpy, xdpy->xscr_number); 468 if (!xdpy->xscr) 469 goto fail; 470 471 winsys = xlib_create_sw_winsys(xdpy->dpy); 472 if (!winsys) 473 goto fail; 474 475 xdpy->base.screen = native_create_sw_screen(winsys); 476 if (!xdpy->base.screen) 477 goto fail; 478 479 xdpy->base.destroy = ximage_display_destroy; 480 xdpy->base.get_param = ximage_display_get_param; 481 482 xdpy->base.get_configs = ximage_display_get_configs; 483 xdpy->base.is_pixmap_supported = ximage_display_is_pixmap_supported; 484 xdpy->base.create_window_surface = ximage_display_create_window_surface; 485 xdpy->base.create_pixmap_surface = ximage_display_create_pixmap_surface; 486 487 return &xdpy->base; 488 489fail: 490 if (winsys && winsys->destroy) 491 winsys->destroy(winsys); 492 if (xdpy->xscr) 493 x11_screen_destroy(xdpy->xscr); 494 if (xdpy->dpy && xdpy->own_dpy) 495 XCloseDisplay(xdpy->dpy); 496 FREE(xdpy); 497 return NULL; 498} 499