native_drm.c revision 73df31eedd0f33c8a9907855cb247c8f87964c48
1fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper/* 2fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * Mesa 3-D graphics library 3fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * Version: 7.11 4fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * 5fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com> 6fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * 7fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * Permission is hereby granted, free of charge, to any person obtaining a 8fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * copy of this software and associated documentation files (the "Software"), 9fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * to deal in the Software without restriction, including without limitation 10fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * and/or sell copies of the Software, and to permit persons to whom the 12fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * Software is furnished to do so, subject to the following conditions: 13d5c66dd664b005866c9f7fc91eb0d49164bca36fDaniel Jasper * 14fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * The above copyright notice and this permission notice shall be included 15fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * in all copies or substantial portions of the Software. 168ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper * 17fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 238ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper * DEALINGS IN THE SOFTWARE. 248ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper */ 258ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper 26fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "util/u_memory.h" 27fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "util/u_inlines.h" 28fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 298ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper#include "pipe/p_compiler.h" 308ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper#include "pipe/p_screen.h" 318ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper#include "pipe/p_context.h" 32fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "pipe/p_state.h" 33fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "state_tracker/drm_driver.h" 34fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 35fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "egllog.h" 36fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include <errno.h> 37fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 38fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "native_wayland.h" 39fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 408ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper#include <wayland-client.h> 418ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper#include "wayland-drm-client-protocol.h" 42fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "wayland-egl-priv.h" 43fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 44fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include "common/native_wayland_drm_bufmgr_helper.h" 45fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 46fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include <xf86drm.h> 47fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include <sys/types.h> 48fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include <sys/stat.h> 49fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper#include <fcntl.h> 50fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 51fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasperstruct wayland_drm_display { 52fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper struct wayland_display base; 538ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper 548ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper const struct native_event_handler *event_handler; 55fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 56fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper struct wl_drm *wl_drm; 57fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper struct wl_drm *wl_server_drm; /* for EGL_WL_bind_wayland_display */ 58fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper int fd; 59fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper char *device_name; 60fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper boolean authenticated; 61fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper}; 62fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 63fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasperstatic INLINE struct wayland_drm_display * 64fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasperwayland_drm_display(const struct native_display *ndpy) 65fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper{ 668ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper return (struct wayland_drm_display *) ndpy; 678ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper} 68fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 69fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasperstatic void 70fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jaspersync_callback(void *data) 71fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper{ 72fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper int *done = data; 73fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 74fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper *done = 1; 75fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper} 76fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 77fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasperstatic void 78fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasperforce_roundtrip(struct wl_display *display) 79fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper{ 808ee04480df468a11667dbfad1049d2b08c4b9482Daniel Jasper int done = 0; 81fe7beeb421b90f66b4a96c2358c5a838c376a0a8Daniel Jasper 82 wl_display_sync_callback(display, sync_callback, &done); 83 wl_display_iterate(display, WL_DISPLAY_WRITABLE); 84 while (!done) 85 wl_display_iterate(display, WL_DISPLAY_READABLE); 86} 87 88static void 89wayland_drm_display_destroy(struct native_display *ndpy) 90{ 91 struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy); 92 93 if (drmdpy->fd) 94 close(drmdpy->fd); 95 if (drmdpy->wl_drm) 96 wl_drm_destroy(drmdpy->wl_drm); 97 if (drmdpy->device_name) 98 FREE(drmdpy->device_name); 99 if (drmdpy->base.config) 100 FREE(drmdpy->base.config); 101 if (drmdpy->base.own_dpy) 102 wl_display_destroy(drmdpy->base.dpy); 103 104 ndpy_uninit(ndpy); 105 106 FREE(drmdpy); 107} 108 109static struct wl_buffer * 110wayland_create_drm_buffer(struct wayland_display *display, 111 struct wayland_surface *surface, 112 enum native_attachment attachment) 113{ 114 struct wayland_drm_display *drmdpy = (struct wayland_drm_display *) display; 115 struct pipe_screen *screen = drmdpy->base.base.screen; 116 struct pipe_resource *resource; 117 struct winsys_handle wsh; 118 uint width, height; 119 struct wl_visual *visual; 120 121 resource = resource_surface_get_single_resource(surface->rsurf, attachment); 122 resource_surface_get_size(surface->rsurf, &width, &height); 123 124 wsh.type = DRM_API_HANDLE_TYPE_SHARED; 125 screen->resource_get_handle(screen, resource, &wsh); 126 127 pipe_resource_reference(&resource, NULL); 128 129 switch (surface->type) { 130 case WL_WINDOW_SURFACE: 131 visual = surface->win->visual; 132 break; 133 case WL_PIXMAP_SURFACE: 134 visual = surface->pix->visual; 135 break; 136 default: 137 return NULL; 138 } 139 140 return wl_drm_create_buffer(drmdpy->wl_drm, wsh.handle, 141 width, height, wsh.stride, visual); 142} 143 144static void 145drm_handle_device(void *data, struct wl_drm *drm, const char *device) 146{ 147 struct wayland_drm_display *drmdpy = data; 148 drm_magic_t magic; 149 150 drmdpy->device_name = strdup(device); 151 if (!drmdpy->device_name) 152 return; 153 154 drmdpy->fd = open(drmdpy->device_name, O_RDWR); 155 if (drmdpy->fd == -1) { 156 _eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)", 157 drmdpy->device_name, strerror(errno)); 158 return; 159 } 160 161 drmGetMagic(drmdpy->fd, &magic); 162 wl_drm_authenticate(drmdpy->wl_drm, magic); 163} 164 165static void 166drm_handle_authenticated(void *data, struct wl_drm *drm) 167{ 168 struct wayland_drm_display *drmdpy = data; 169 170 drmdpy->authenticated = true; 171} 172 173static const struct wl_drm_listener drm_listener = { 174 drm_handle_device, 175 drm_handle_authenticated 176}; 177 178static boolean 179wayland_drm_display_init_screen(struct native_display *ndpy) 180{ 181 struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy); 182 uint32_t id; 183 184 id = wl_display_get_global(drmdpy->base.dpy, "wl_drm", 1); 185 if (id == 0) 186 force_roundtrip(drmdpy->base.dpy); 187 id = wl_display_get_global(drmdpy->base.dpy, "wl_drm", 1); 188 if (id == 0) 189 return FALSE; 190 191 drmdpy->wl_drm = wl_drm_create(drmdpy->base.dpy, id, 1); 192 if (!drmdpy->wl_drm) 193 return FALSE; 194 195 wl_drm_add_listener(drmdpy->wl_drm, &drm_listener, drmdpy); 196 force_roundtrip(drmdpy->base.dpy); 197 if (drmdpy->fd == -1) 198 return FALSE; 199 200 force_roundtrip(drmdpy->base.dpy); 201 if (!drmdpy->authenticated) 202 return FALSE; 203 204 drmdpy->base.base.screen = 205 drmdpy->event_handler->new_drm_screen(&drmdpy->base.base, 206 NULL, drmdpy->fd); 207 if (!drmdpy->base.base.screen) { 208 _eglLog(_EGL_WARNING, "failed to create DRM screen"); 209 return FALSE; 210 } 211 212 return TRUE; 213} 214 215static struct native_display_buffer wayland_drm_display_buffer = { 216 /* use the helpers */ 217 drm_display_import_native_buffer, 218 drm_display_export_native_buffer 219}; 220 221static int 222wayland_drm_display_authenticate(void *user_data, uint32_t magic) 223{ 224 struct native_display *ndpy = user_data; 225 struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy); 226 boolean current_authenticate, authenticated; 227 228 current_authenticate = drmdpy->authenticated; 229 230 wl_drm_authenticate(drmdpy->wl_drm, magic); 231 force_roundtrip(drmdpy->base.dpy); 232 authenticated = drmdpy->authenticated; 233 234 drmdpy->authenticated = current_authenticate; 235 236 return authenticated ? 0 : -1; 237} 238 239static struct wayland_drm_callbacks wl_drm_callbacks = { 240 wayland_drm_display_authenticate, 241 egl_g3d_wl_drm_helper_reference_buffer, 242 egl_g3d_wl_drm_helper_unreference_buffer 243}; 244 245static boolean 246wayland_drm_display_bind_wayland_display(struct native_display *ndpy, 247 struct wl_display *wl_dpy) 248{ 249 struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy); 250 251 if (drmdpy->wl_server_drm) 252 return FALSE; 253 254 drmdpy->wl_server_drm = 255 wayland_drm_init(wl_dpy, drmdpy->device_name, 256 &wl_drm_callbacks, ndpy); 257 258 if (!drmdpy->wl_server_drm) 259 return FALSE; 260 261 return TRUE; 262} 263 264static boolean 265wayland_drm_display_unbind_wayland_display(struct native_display *ndpy, 266 struct wl_display *wl_dpy) 267{ 268 struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy); 269 270 if (!drmdpy->wl_server_drm) 271 return FALSE; 272 273 wayland_drm_uninit(drmdpy->wl_server_drm); 274 drmdpy->wl_server_drm = NULL; 275 276 return TRUE; 277} 278 279static struct native_display_wayland_bufmgr wayland_drm_display_wayland_bufmgr = { 280 wayland_drm_display_bind_wayland_display, 281 wayland_drm_display_unbind_wayland_display, 282 egl_g3d_wl_drm_common_wl_buffer_get_resource 283}; 284 285 286struct wayland_display * 287wayland_create_drm_display(struct wl_display *dpy, 288 const struct native_event_handler *event_handler) 289{ 290 struct wayland_drm_display *drmdpy; 291 292 drmdpy = CALLOC_STRUCT(wayland_drm_display); 293 if (!drmdpy) 294 return NULL; 295 296 drmdpy->event_handler = event_handler; 297 298 drmdpy->base.dpy = dpy; 299 if (!drmdpy->base.dpy) { 300 wayland_drm_display_destroy(&drmdpy->base.base); 301 return NULL; 302 } 303 304 drmdpy->base.base.init_screen = wayland_drm_display_init_screen; 305 drmdpy->base.base.destroy = wayland_drm_display_destroy; 306 drmdpy->base.base.buffer = &wayland_drm_display_buffer; 307 drmdpy->base.base.wayland_bufmgr = &wayland_drm_display_wayland_bufmgr; 308 309 drmdpy->base.create_buffer = wayland_create_drm_buffer; 310 311 return &drmdpy->base; 312} 313 314/* vim: set sw=3 ts=8 sts=3 expandtab: */ 315