Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2015 Boyan Ding |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that copyright |
| 7 | * notice and this permission notice appear in supporting documentation, and |
| 8 | * that the name of the copyright holders not be used in advertising or |
| 9 | * publicity pertaining to distribution of the software without specific, |
| 10 | * written prior permission. The copyright holders make no representations |
| 11 | * about the suitability of this software for any purpose. It is provided "as |
| 12 | * is" without express or implied warranty. |
| 13 | * |
| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| 20 | * OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <stdbool.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <string.h> |
| 26 | #include <unistd.h> |
| 27 | |
| 28 | #include <xcb/xcb.h> |
| 29 | #include <xcb/dri3.h> |
| 30 | #include <xcb/present.h> |
| 31 | |
| 32 | #include <xf86drm.h> |
| 33 | |
| 34 | #include "egl_dri2.h" |
| 35 | #include "egl_dri2_fallbacks.h" |
| 36 | #include "platform_x11_dri3.h" |
| 37 | |
| 38 | #include "loader.h" |
| 39 | #include "loader_dri3_helper.h" |
| 40 | |
| 41 | static struct dri3_egl_surface * |
| 42 | loader_drawable_to_egl_surface(struct loader_dri3_drawable *draw) { |
| 43 | size_t offset = offsetof(struct dri3_egl_surface, loader_drawable); |
| 44 | return (struct dri3_egl_surface *)(((void*) draw) - offset); |
| 45 | } |
| 46 | |
| 47 | static int |
| 48 | egl_dri3_get_swap_interval(struct loader_dri3_drawable *draw) |
| 49 | { |
| 50 | struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw); |
| 51 | |
| 52 | return dri3_surf->base.SwapInterval; |
| 53 | } |
| 54 | |
| 55 | static int |
| 56 | egl_dri3_clamp_swap_interval(struct loader_dri3_drawable *draw, int interval) |
| 57 | { |
| 58 | struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw); |
| 59 | |
| 60 | if (interval > dri3_surf->base.Config->MaxSwapInterval) |
| 61 | interval = dri3_surf->base.Config->MaxSwapInterval; |
| 62 | else if (interval < dri3_surf->base.Config->MinSwapInterval) |
| 63 | interval = dri3_surf->base.Config->MinSwapInterval; |
| 64 | |
| 65 | return interval; |
| 66 | } |
| 67 | |
| 68 | static void |
| 69 | egl_dri3_set_swap_interval(struct loader_dri3_drawable *draw, int interval) |
| 70 | { |
| 71 | struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw); |
| 72 | |
| 73 | dri3_surf->base.SwapInterval = interval; |
| 74 | } |
| 75 | |
| 76 | static void |
| 77 | egl_dri3_set_drawable_size(struct loader_dri3_drawable *draw, |
| 78 | int width, int height) |
| 79 | { |
| 80 | struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw); |
| 81 | |
| 82 | dri3_surf->base.Width = width; |
| 83 | dri3_surf->base.Height = height; |
| 84 | } |
| 85 | |
| 86 | static bool |
| 87 | egl_dri3_in_current_context(struct loader_dri3_drawable *draw) |
| 88 | { |
| 89 | struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw); |
| 90 | _EGLContext *ctx = _eglGetCurrentContext(); |
| 91 | |
| 92 | return ctx->Resource.Display == dri3_surf->base.Resource.Display; |
| 93 | } |
| 94 | |
| 95 | static __DRIcontext * |
| 96 | egl_dri3_get_dri_context(struct loader_dri3_drawable *draw) |
| 97 | { |
| 98 | _EGLContext *ctx = _eglGetCurrentContext(); |
Dave Airlie | d98d6e6 | 2016-05-30 08:02:00 +1000 | [diff] [blame] | 99 | struct dri2_egl_context *dri2_ctx; |
| 100 | if (!ctx) |
| 101 | return NULL; |
| 102 | dri2_ctx = dri2_egl_context(ctx); |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 103 | return dri2_ctx->dri_context; |
| 104 | } |
| 105 | |
| 106 | static void |
| 107 | egl_dri3_flush_drawable(struct loader_dri3_drawable *draw, unsigned flags) |
| 108 | { |
| 109 | struct dri3_egl_surface *dri3_surf = loader_drawable_to_egl_surface(draw); |
| 110 | _EGLDisplay *disp = dri3_surf->base.Resource.Display; |
| 111 | |
| 112 | dri2_flush_drawable_for_swapbuffers(disp, &dri3_surf->base); |
| 113 | } |
| 114 | |
| 115 | static struct loader_dri3_vtable egl_dri3_vtable = { |
| 116 | .get_swap_interval = egl_dri3_get_swap_interval, |
| 117 | .clamp_swap_interval = egl_dri3_clamp_swap_interval, |
| 118 | .set_swap_interval = egl_dri3_set_swap_interval, |
| 119 | .set_drawable_size = egl_dri3_set_drawable_size, |
| 120 | .in_current_context = egl_dri3_in_current_context, |
| 121 | .get_dri_context = egl_dri3_get_dri_context, |
| 122 | .flush_drawable = egl_dri3_flush_drawable, |
| 123 | .show_fps = NULL, |
| 124 | }; |
| 125 | |
| 126 | static EGLBoolean |
| 127 | dri3_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) |
| 128 | { |
| 129 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf); |
| 130 | |
| 131 | (void) drv; |
| 132 | |
| 133 | if (!_eglPutSurface(surf)) |
| 134 | return EGL_TRUE; |
| 135 | |
| 136 | loader_dri3_drawable_fini(&dri3_surf->loader_drawable); |
| 137 | |
| 138 | free(surf); |
| 139 | |
| 140 | return EGL_TRUE; |
| 141 | } |
| 142 | |
| 143 | static EGLBoolean |
| 144 | dri3_set_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, |
| 145 | EGLint interval) |
| 146 | { |
| 147 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf); |
| 148 | |
| 149 | loader_dri3_set_swap_interval(&dri3_surf->loader_drawable, interval); |
| 150 | |
| 151 | return EGL_TRUE; |
| 152 | } |
| 153 | |
| 154 | static xcb_screen_t * |
| 155 | get_xcb_screen(xcb_screen_iterator_t iter, int screen) |
| 156 | { |
| 157 | for (; iter.rem; --screen, xcb_screen_next(&iter)) |
| 158 | if (screen == 0) |
| 159 | return iter.data; |
| 160 | |
| 161 | return NULL; |
| 162 | } |
| 163 | |
| 164 | static _EGLSurface * |
| 165 | dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type, |
| 166 | _EGLConfig *conf, void *native_surface, |
| 167 | const EGLint *attrib_list) |
| 168 | { |
| 169 | struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| 170 | struct dri2_egl_config *dri2_conf = dri2_egl_config(conf); |
| 171 | struct dri3_egl_surface *dri3_surf; |
| 172 | const __DRIconfig *dri_config; |
| 173 | xcb_drawable_t drawable; |
| 174 | xcb_screen_iterator_t s; |
| 175 | xcb_screen_t *screen; |
| 176 | |
| 177 | STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface)); |
| 178 | drawable = (uintptr_t) native_surface; |
| 179 | |
| 180 | (void) drv; |
| 181 | |
| 182 | dri3_surf = calloc(1, sizeof *dri3_surf); |
| 183 | if (!dri3_surf) { |
| 184 | _eglError(EGL_BAD_ALLOC, "dri3_create_surface"); |
| 185 | return NULL; |
| 186 | } |
| 187 | |
| 188 | if (!_eglInitSurface(&dri3_surf->base, disp, type, conf, attrib_list)) |
| 189 | goto cleanup_surf; |
| 190 | |
| 191 | if (type == EGL_PBUFFER_BIT) { |
| 192 | s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
| 193 | screen = get_xcb_screen(s, dri2_dpy->screen); |
| 194 | if (!screen) { |
| 195 | _eglError(EGL_BAD_NATIVE_WINDOW, "dri3_create_surface"); |
| 196 | goto cleanup_surf; |
| 197 | } |
| 198 | |
| 199 | drawable = xcb_generate_id(dri2_dpy->conn); |
| 200 | xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize, |
| 201 | drawable, screen->root, |
| 202 | dri3_surf->base.Width, dri3_surf->base.Height); |
| 203 | } |
| 204 | |
| 205 | dri_config = dri2_get_dri_config(dri2_conf, type, |
| 206 | dri3_surf->base.GLColorspace); |
| 207 | |
| 208 | if (loader_dri3_drawable_init(dri2_dpy->conn, drawable, |
| 209 | dri2_dpy->dri_screen, |
| 210 | dri2_dpy->is_different_gpu, dri_config, |
| 211 | &dri2_dpy->loader_dri3_ext, |
| 212 | &egl_dri3_vtable, |
| 213 | &dri3_surf->loader_drawable)) { |
| 214 | _eglError(EGL_BAD_ALLOC, "dri3_surface_create"); |
| 215 | goto cleanup_pixmap; |
| 216 | } |
| 217 | |
| 218 | return &dri3_surf->base; |
| 219 | |
| 220 | cleanup_pixmap: |
| 221 | if (type == EGL_PBUFFER_BIT) |
| 222 | xcb_free_pixmap(dri2_dpy->conn, drawable); |
| 223 | cleanup_surf: |
| 224 | free(dri3_surf); |
| 225 | |
| 226 | return NULL; |
| 227 | } |
| 228 | |
Frank Binns | 5505845 | 2016-06-17 18:41:21 +0100 | [diff] [blame] | 229 | static int |
| 230 | dri3_authenticate(_EGLDisplay *disp, uint32_t id) |
| 231 | { |
Frank Binns | d6f669b | 2016-06-17 18:41:22 +0100 | [diff] [blame^] | 232 | #ifdef HAVE_WAYLAND_PLATFORM |
Frank Binns | 5505845 | 2016-06-17 18:41:21 +0100 | [diff] [blame] | 233 | struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| 234 | |
| 235 | if (dri2_dpy->device_name) { |
| 236 | _eglLog(_EGL_WARNING, |
| 237 | "Wayland client render node authentication is unnecessary"); |
| 238 | return 0; |
| 239 | } |
| 240 | |
| 241 | _eglLog(_EGL_WARNING, |
| 242 | "Wayland client primary node authentication isn't supported"); |
Frank Binns | d6f669b | 2016-06-17 18:41:22 +0100 | [diff] [blame^] | 243 | #endif |
Frank Binns | 5505845 | 2016-06-17 18:41:21 +0100 | [diff] [blame] | 244 | |
| 245 | return -1; |
| 246 | } |
| 247 | |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 248 | /** |
| 249 | * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). |
| 250 | */ |
| 251 | static _EGLSurface * |
| 252 | dri3_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp, |
| 253 | _EGLConfig *conf, void *native_window, |
| 254 | const EGLint *attrib_list) |
| 255 | { |
| 256 | struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| 257 | _EGLSurface *surf; |
| 258 | |
| 259 | surf = dri3_create_surface(drv, disp, EGL_WINDOW_BIT, conf, |
| 260 | native_window, attrib_list); |
| 261 | if (surf != NULL) |
| 262 | dri3_set_swap_interval(drv, disp, surf, dri2_dpy->default_swap_interval); |
| 263 | |
| 264 | return surf; |
| 265 | } |
| 266 | |
| 267 | static _EGLSurface * |
| 268 | dri3_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp, |
| 269 | _EGLConfig *conf, void *native_pixmap, |
| 270 | const EGLint *attrib_list) |
| 271 | { |
| 272 | return dri3_create_surface(drv, disp, EGL_PIXMAP_BIT, conf, |
| 273 | native_pixmap, attrib_list); |
| 274 | } |
| 275 | |
| 276 | static _EGLSurface * |
| 277 | dri3_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *disp, |
| 278 | _EGLConfig *conf, const EGLint *attrib_list) |
| 279 | { |
| 280 | return dri3_create_surface(drv, disp, EGL_PBUFFER_BIT, conf, |
| 281 | XCB_WINDOW_NONE, attrib_list); |
| 282 | } |
| 283 | |
| 284 | static EGLBoolean |
| 285 | dri3_get_sync_values(_EGLDisplay *display, _EGLSurface *surface, |
| 286 | EGLuint64KHR *ust, EGLuint64KHR *msc, |
| 287 | EGLuint64KHR *sbc) |
| 288 | { |
| 289 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surface); |
| 290 | |
| 291 | return loader_dri3_wait_for_msc(&dri3_surf->loader_drawable, 0, 0, 0, |
| 292 | (int64_t *) ust, (int64_t *) msc, |
| 293 | (int64_t *) sbc) ? EGL_TRUE : EGL_FALSE; |
| 294 | } |
| 295 | |
Boyan Ding | fcdc798 | 2015-07-21 23:44:02 +0800 | [diff] [blame] | 296 | static _EGLImage * |
| 297 | dri3_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx, |
| 298 | EGLClientBuffer buffer, const EGLint *attr_list) |
| 299 | { |
| 300 | struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp); |
| 301 | struct dri2_egl_image *dri2_img; |
| 302 | xcb_drawable_t drawable; |
| 303 | xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie; |
| 304 | xcb_dri3_buffer_from_pixmap_reply_t *bp_reply; |
| 305 | unsigned int format; |
| 306 | |
| 307 | drawable = (xcb_drawable_t) (uintptr_t) buffer; |
| 308 | bp_cookie = xcb_dri3_buffer_from_pixmap(dri2_dpy->conn, drawable); |
| 309 | bp_reply = xcb_dri3_buffer_from_pixmap_reply(dri2_dpy->conn, |
| 310 | bp_cookie, NULL); |
| 311 | if (!bp_reply) { |
| 312 | _eglError(EGL_BAD_ALLOC, "xcb_dri3_buffer_from_pixmap"); |
| 313 | return NULL; |
| 314 | } |
| 315 | |
| 316 | switch (bp_reply->depth) { |
| 317 | case 16: |
| 318 | format = __DRI_IMAGE_FORMAT_RGB565; |
| 319 | break; |
| 320 | case 24: |
| 321 | format = __DRI_IMAGE_FORMAT_XRGB8888; |
| 322 | break; |
| 323 | case 32: |
| 324 | format = __DRI_IMAGE_FORMAT_ARGB8888; |
| 325 | break; |
| 326 | default: |
| 327 | _eglError(EGL_BAD_PARAMETER, |
| 328 | "dri3_create_image_khr: unsupported pixmap depth"); |
| 329 | free(bp_reply); |
| 330 | return EGL_NO_IMAGE_KHR; |
| 331 | } |
| 332 | |
| 333 | dri2_img = malloc(sizeof *dri2_img); |
| 334 | if (!dri2_img) { |
| 335 | _eglError(EGL_BAD_ALLOC, "dri3_create_image_khr"); |
| 336 | return EGL_NO_IMAGE_KHR; |
| 337 | } |
| 338 | |
| 339 | if (!_eglInitImage(&dri2_img->base, disp)) { |
| 340 | free(dri2_img); |
| 341 | return EGL_NO_IMAGE_KHR; |
| 342 | } |
| 343 | |
| 344 | dri2_img->dri_image = loader_dri3_create_image(dri2_dpy->conn, |
| 345 | bp_reply, |
| 346 | format, |
| 347 | dri2_dpy->dri_screen, |
| 348 | dri2_dpy->image, |
| 349 | dri2_img); |
| 350 | |
| 351 | free(bp_reply); |
| 352 | |
| 353 | return &dri2_img->base; |
| 354 | } |
| 355 | |
| 356 | static _EGLImage * |
| 357 | dri3_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp, |
| 358 | _EGLContext *ctx, EGLenum target, |
| 359 | EGLClientBuffer buffer, const EGLint *attr_list) |
| 360 | { |
| 361 | (void) drv; |
| 362 | |
| 363 | switch (target) { |
| 364 | case EGL_NATIVE_PIXMAP_KHR: |
| 365 | return dri3_create_image_khr_pixmap(disp, ctx, buffer, attr_list); |
| 366 | default: |
| 367 | return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list); |
| 368 | } |
| 369 | } |
| 370 | |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 371 | /** |
| 372 | * Called by the driver when it needs to update the real front buffer with the |
| 373 | * contents of its fake front buffer. |
| 374 | */ |
| 375 | static void |
| 376 | dri3_flush_front_buffer(__DRIdrawable *driDrawable, void *loaderPrivate) |
| 377 | { |
| 378 | /* There does not seem to be any kind of consensus on whether we should |
| 379 | * support front-buffer rendering or not: |
| 380 | * http://lists.freedesktop.org/archives/mesa-dev/2013-June/040129.html |
| 381 | */ |
| 382 | _eglLog(_EGL_WARNING, "FIXME: egl/x11 doesn't support front buffer rendering."); |
| 383 | (void) driDrawable; |
| 384 | (void) loaderPrivate; |
| 385 | } |
| 386 | |
| 387 | const __DRIimageLoaderExtension dri3_image_loader_extension = { |
| 388 | .base = { __DRI_IMAGE_LOADER, 1 }, |
| 389 | |
| 390 | .getBuffers = loader_dri3_get_buffers, |
| 391 | .flushFrontBuffer = dri3_flush_front_buffer, |
| 392 | }; |
| 393 | |
| 394 | static EGLBoolean |
| 395 | dri3_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) |
| 396 | { |
| 397 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(draw); |
| 398 | |
| 399 | /* No-op for a pixmap or pbuffer surface */ |
| 400 | if (draw->Type == EGL_PIXMAP_BIT || draw->Type == EGL_PBUFFER_BIT) |
| 401 | return 0; |
| 402 | |
| 403 | return loader_dri3_swap_buffers_msc(&dri3_surf->loader_drawable, |
| 404 | 0, 0, 0, 0, |
| 405 | draw->SwapBehavior == EGL_BUFFER_PRESERVED) != -1; |
| 406 | } |
| 407 | |
| 408 | static EGLBoolean |
| 409 | dri3_copy_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, |
| 410 | void *native_pixmap_target) |
| 411 | { |
| 412 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf); |
| 413 | xcb_pixmap_t target; |
| 414 | |
| 415 | STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_pixmap_target)); |
| 416 | target = (uintptr_t) native_pixmap_target; |
| 417 | |
| 418 | loader_dri3_copy_drawable(&dri3_surf->loader_drawable, target, |
| 419 | dri3_surf->loader_drawable.drawable); |
| 420 | |
| 421 | return EGL_TRUE; |
| 422 | } |
| 423 | |
| 424 | static int |
| 425 | dri3_query_buffer_age(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) |
| 426 | { |
| 427 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf); |
| 428 | |
| 429 | return loader_dri3_query_buffer_age(&dri3_surf->loader_drawable); |
| 430 | } |
| 431 | |
| 432 | static __DRIdrawable * |
| 433 | dri3_get_dri_drawable(_EGLSurface *surf) |
| 434 | { |
| 435 | struct dri3_egl_surface *dri3_surf = dri3_egl_surface(surf); |
| 436 | |
| 437 | return dri3_surf->loader_drawable.dri_drawable; |
| 438 | } |
| 439 | |
| 440 | struct dri2_egl_display_vtbl dri3_x11_display_vtbl = { |
Frank Binns | 5505845 | 2016-06-17 18:41:21 +0100 | [diff] [blame] | 441 | .authenticate = dri3_authenticate, |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 442 | .create_window_surface = dri3_create_window_surface, |
| 443 | .create_pixmap_surface = dri3_create_pixmap_surface, |
| 444 | .create_pbuffer_surface = dri3_create_pbuffer_surface, |
| 445 | .destroy_surface = dri3_destroy_surface, |
Boyan Ding | fcdc798 | 2015-07-21 23:44:02 +0800 | [diff] [blame] | 446 | .create_image = dri3_create_image_khr, |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 447 | .swap_interval = dri3_set_swap_interval, |
| 448 | .swap_buffers = dri3_swap_buffers, |
| 449 | .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage, |
| 450 | .swap_buffers_region = dri2_fallback_swap_buffers_region, |
| 451 | .post_sub_buffer = dri2_fallback_post_sub_buffer, |
| 452 | .copy_buffers = dri3_copy_buffers, |
| 453 | .query_buffer_age = dri3_query_buffer_age, |
| 454 | .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image, |
| 455 | .get_sync_values = dri3_get_sync_values, |
| 456 | .get_dri_drawable = dri3_get_dri_drawable, |
| 457 | }; |
| 458 | |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 459 | EGLBoolean |
| 460 | dri3_x11_connect(struct dri2_egl_display *dri2_dpy) |
| 461 | { |
| 462 | xcb_dri3_query_version_reply_t *dri3_query; |
| 463 | xcb_dri3_query_version_cookie_t dri3_query_cookie; |
| 464 | xcb_present_query_version_reply_t *present_query; |
| 465 | xcb_present_query_version_cookie_t present_query_cookie; |
| 466 | xcb_generic_error_t *error; |
| 467 | xcb_screen_iterator_t s; |
| 468 | xcb_screen_t *screen; |
| 469 | const xcb_query_extension_reply_t *extension; |
| 470 | |
| 471 | xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri3_id); |
| 472 | xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_present_id); |
| 473 | |
| 474 | extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri3_id); |
| 475 | if (!(extension && extension->present)) |
| 476 | return EGL_FALSE; |
| 477 | |
| 478 | extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_present_id); |
| 479 | if (!(extension && extension->present)) |
| 480 | return EGL_FALSE; |
| 481 | |
| 482 | dri3_query_cookie = xcb_dri3_query_version(dri2_dpy->conn, |
| 483 | XCB_DRI3_MAJOR_VERSION, |
| 484 | XCB_DRI3_MINOR_VERSION); |
| 485 | |
| 486 | present_query_cookie = xcb_present_query_version(dri2_dpy->conn, |
| 487 | XCB_PRESENT_MAJOR_VERSION, |
| 488 | XCB_PRESENT_MINOR_VERSION); |
| 489 | |
| 490 | dri3_query = |
| 491 | xcb_dri3_query_version_reply(dri2_dpy->conn, dri3_query_cookie, &error); |
| 492 | if (dri3_query == NULL || error != NULL) { |
Martin Peres | 4518eea | 2015-10-30 17:16:35 +0200 | [diff] [blame] | 493 | _eglLog(_EGL_WARNING, "DRI3: failed to query the version"); |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 494 | free(dri3_query); |
| 495 | free(error); |
| 496 | return EGL_FALSE; |
| 497 | } |
| 498 | free(dri3_query); |
| 499 | |
| 500 | present_query = |
| 501 | xcb_present_query_version_reply(dri2_dpy->conn, |
| 502 | present_query_cookie, &error); |
| 503 | if (present_query == NULL || error != NULL) { |
Martin Peres | 4518eea | 2015-10-30 17:16:35 +0200 | [diff] [blame] | 504 | _eglLog(_EGL_WARNING, "DRI3: failed to query Present version"); |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 505 | free(present_query); |
| 506 | free(error); |
| 507 | return EGL_FALSE; |
| 508 | } |
| 509 | free(present_query); |
| 510 | |
| 511 | s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn)); |
| 512 | screen = get_xcb_screen(s, dri2_dpy->screen); |
| 513 | if (!screen) { |
| 514 | _eglError(EGL_BAD_NATIVE_WINDOW, "dri3_x11_connect"); |
| 515 | return EGL_FALSE; |
| 516 | } |
| 517 | |
| 518 | dri2_dpy->fd = loader_dri3_open(dri2_dpy->conn, screen->root, 0); |
| 519 | if (dri2_dpy->fd < 0) { |
| 520 | int conn_error = xcb_connection_has_error(dri2_dpy->conn); |
Martin Peres | 4518eea | 2015-10-30 17:16:35 +0200 | [diff] [blame] | 521 | _eglLog(_EGL_WARNING, "DRI3: Screen seems not DRI3 capable"); |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 522 | |
| 523 | if (conn_error) |
Martin Peres | 4518eea | 2015-10-30 17:16:35 +0200 | [diff] [blame] | 524 | _eglLog(_EGL_WARNING, "DRI3: Failed to initialize"); |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 525 | |
| 526 | return EGL_FALSE; |
| 527 | } |
| 528 | |
| 529 | dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd, &dri2_dpy->is_different_gpu); |
| 530 | |
| 531 | dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0); |
| 532 | if (!dri2_dpy->driver_name) { |
Martin Peres | 4518eea | 2015-10-30 17:16:35 +0200 | [diff] [blame] | 533 | _eglLog(_EGL_WARNING, "DRI3: No driver found"); |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 534 | close(dri2_dpy->fd); |
| 535 | return EGL_FALSE; |
| 536 | } |
| 537 | |
Frank Binns | d6f669b | 2016-06-17 18:41:22 +0100 | [diff] [blame^] | 538 | #ifdef HAVE_WAYLAND_PLATFORM |
| 539 | /* Only try to get a render device name since dri3 doesn't provide a |
| 540 | * mechanism for authenticating client opened device node fds. If this |
| 541 | * fails then don't advertise the extension. */ |
Frank Binns | 4c28c91 | 2016-06-17 18:41:20 +0100 | [diff] [blame] | 542 | dri2_dpy->device_name = drmGetRenderDeviceNameFromFd(dri2_dpy->fd); |
Frank Binns | d6f669b | 2016-06-17 18:41:22 +0100 | [diff] [blame^] | 543 | #endif |
Boyan Ding | f35198b | 2015-07-21 23:44:00 +0800 | [diff] [blame] | 544 | |
| 545 | return EGL_TRUE; |
| 546 | } |