| 1 | /* |
| 2 | * Xephyr - A kdrive X server thats runs in a host X window. |
| 3 | * Authored by Matthew Allum <mallum@openedhand.com> |
| 4 | * |
| 5 | * Copyright © 2007 OpenedHand Ltd |
| 6 | * |
| 7 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 8 | * documentation for any purpose is hereby granted without fee, provided that |
| 9 | * the above copyright notice appear in all copies and that both that |
| 10 | * copyright notice and this permission notice appear in supporting |
| 11 | * documentation, and that the name of OpenedHand Ltd not be used in |
| 12 | * advertising or publicity pertaining to distribution of the software without |
| 13 | * specific, written prior permission. OpenedHand Ltd makes no |
| 14 | * representations about the suitability of this software for any purpose. It |
| 15 | * is provided "as is" without express or implied warranty. |
| 16 | * |
| 17 | * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 18 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 19 | * EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 20 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 21 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 22 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 23 | * PERFORMANCE OF THIS SOFTWARE. |
| 24 | * |
| 25 | * Authors: |
| 26 | * Dodji Seketeli <dodji@openedhand.com> |
| 27 | */ |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include <kdrive-config.h> |
| 30 | #endif |
| 31 | |
| 32 | #include <X11/Xdefs.h> |
| 33 | #include <xcb/xf86dri.h> |
| 34 | #include "hostx.h" |
| 35 | #include "ephyrdri.h" |
| 36 | #define _HAVE_XALLOC_DECLS |
| 37 | #include "ephyrlog.h" |
| 38 | #include "dixstruct.h" |
| 39 | #include "pixmapstr.h" |
| 40 | |
| 41 | #ifndef TRUE |
| 42 | #define TRUE 1 |
| 43 | #endif /*TRUE*/ |
| 44 | #ifndef FALSE |
| 45 | #define FALSE 0 |
| 46 | #endif /*FALSE*/ |
| 47 | Bool |
| 48 | ephyrDRIQueryDirectRenderingCapable(int a_screen, Bool *a_is_capable) |
| 49 | { |
| 50 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 51 | Bool is_ok = FALSE; |
| 52 | xcb_xf86dri_query_direct_rendering_capable_cookie_t cookie; |
| 53 | xcb_xf86dri_query_direct_rendering_capable_reply_t *reply; |
| 54 | |
| 55 | EPHYR_RETURN_VAL_IF_FAIL(a_is_capable, FALSE); |
| 56 | EPHYR_LOG("enter\n"); |
| 57 | cookie = xcb_xf86dri_query_direct_rendering_capable(conn, |
| 58 | hostx_get_screen()); |
| 59 | reply = xcb_xf86dri_query_direct_rendering_capable_reply(conn, cookie, NULL); |
| 60 | if (reply) { |
| 61 | is_ok = TRUE; |
| 62 | *a_is_capable = reply->is_capable; |
| 63 | free(reply); |
| 64 | } |
| 65 | EPHYR_LOG("leave. is_capable:%d, is_ok=%d\n", *a_is_capable, is_ok); |
| 66 | |
| 67 | return is_ok; |
| 68 | } |
| 69 | |
| 70 | Bool |
| 71 | ephyrDRIOpenConnection(int a_screen, |
| 72 | drm_handle_t * a_sarea, char **a_bus_id_string) |
| 73 | { |
| 74 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 75 | Bool is_ok = FALSE; |
| 76 | xcb_xf86dri_open_connection_cookie_t cookie; |
| 77 | xcb_xf86dri_open_connection_reply_t *reply; |
| 78 | |
| 79 | EPHYR_RETURN_VAL_IF_FAIL(a_bus_id_string, FALSE); |
| 80 | EPHYR_LOG("enter. screen:%d\n", a_screen); |
| 81 | cookie = xcb_xf86dri_open_connection(conn, hostx_get_screen()); |
| 82 | reply = xcb_xf86dri_open_connection_reply(conn, cookie, NULL); |
| 83 | if (!reply) |
| 84 | goto out; |
| 85 | *a_sarea = reply->sarea_handle_low; |
| 86 | if (sizeof(drm_handle_t) == 8) { |
| 87 | int shift = 32; |
| 88 | *a_sarea |= ((drm_handle_t) reply->sarea_handle_high) << shift; |
| 89 | } |
| 90 | *a_bus_id_string = malloc(reply->bus_id_len + 1); |
| 91 | if (!*a_bus_id_string) |
| 92 | goto out; |
| 93 | memcpy(*a_bus_id_string, xcb_xf86dri_open_connection_bus_id(reply), reply->bus_id_len); |
| 94 | *a_bus_id_string[reply->bus_id_len] = '\0'; |
| 95 | is_ok = TRUE; |
| 96 | out: |
| 97 | free(reply); |
| 98 | EPHYR_LOG("leave. bus_id_string:%s, is_ok:%d\n", *a_bus_id_string, is_ok); |
| 99 | return is_ok; |
| 100 | } |
| 101 | |
| 102 | Bool |
| 103 | ephyrDRIAuthConnection(int a_screen, drm_magic_t a_magic) |
| 104 | { |
| 105 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 106 | int screen = hostx_get_screen(); |
| 107 | xcb_xf86dri_auth_connection_cookie_t cookie; |
| 108 | xcb_xf86dri_auth_connection_reply_t *reply; |
| 109 | Bool is_ok = FALSE; |
| 110 | |
| 111 | EPHYR_LOG("enter\n"); |
| 112 | cookie = xcb_xf86dri_auth_connection(conn, screen, a_magic); |
| 113 | reply = xcb_xf86dri_auth_connection_reply(conn, cookie, NULL); |
| 114 | is_ok = reply->authenticated; |
| 115 | free(reply); |
| 116 | EPHYR_LOG("leave. is_ok:%d\n", is_ok); |
| 117 | return is_ok; |
| 118 | } |
| 119 | |
| 120 | Bool |
| 121 | ephyrDRICloseConnection(int a_screen) |
| 122 | { |
| 123 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 124 | int screen = hostx_get_screen(); |
| 125 | |
| 126 | EPHYR_LOG("enter\n"); |
| 127 | xcb_xf86dri_close_connection(conn, screen); |
| 128 | EPHYR_LOG("leave\n"); |
| 129 | return TRUE; |
| 130 | } |
| 131 | |
| 132 | Bool |
| 133 | ephyrDRIGetClientDriverName(int a_screen, |
| 134 | int *a_ddx_driver_major_version, |
| 135 | int *a_ddx_driver_minor_version, |
| 136 | int *a_ddx_driver_patch_version, |
| 137 | char **a_client_driver_name) |
| 138 | { |
| 139 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 140 | int screen = hostx_get_screen(); |
| 141 | xcb_xf86dri_get_client_driver_name_cookie_t cookie; |
| 142 | xcb_xf86dri_get_client_driver_name_reply_t *reply; |
| 143 | Bool is_ok = FALSE; |
| 144 | |
| 145 | EPHYR_RETURN_VAL_IF_FAIL(a_ddx_driver_major_version |
| 146 | && a_ddx_driver_minor_version |
| 147 | && a_ddx_driver_patch_version |
| 148 | && a_client_driver_name, FALSE); |
| 149 | EPHYR_LOG("enter\n"); |
| 150 | cookie = xcb_xf86dri_get_client_driver_name(conn, screen); |
| 151 | reply = xcb_xf86dri_get_client_driver_name_reply(conn, cookie, NULL); |
| 152 | if (!reply) |
| 153 | goto out; |
| 154 | *a_ddx_driver_major_version = reply->client_driver_major_version; |
| 155 | *a_ddx_driver_minor_version = reply->client_driver_minor_version; |
| 156 | *a_ddx_driver_patch_version = reply->client_driver_patch_version; |
| 157 | *a_client_driver_name = malloc(reply->client_driver_name_len + 1); |
| 158 | if (!*a_client_driver_name) |
| 159 | goto out; |
| 160 | memcpy(*a_client_driver_name, |
| 161 | xcb_xf86dri_get_client_driver_name_client_driver_name(reply), |
| 162 | reply->client_driver_name_len); |
| 163 | (*a_client_driver_name)[reply->client_driver_name_len] = '\0'; |
| 164 | is_ok = TRUE; |
| 165 | EPHYR_LOG("major:%d, minor:%d, patch:%d, name:%s\n", |
| 166 | *a_ddx_driver_major_version, |
| 167 | *a_ddx_driver_minor_version, |
| 168 | *a_ddx_driver_patch_version, *a_client_driver_name); |
| 169 | out: |
| 170 | free(reply); |
| 171 | EPHYR_LOG("leave:%d\n", is_ok); |
| 172 | return is_ok; |
| 173 | } |
| 174 | |
| 175 | Bool |
| 176 | ephyrDRICreateContext(int a_screen, |
| 177 | int a_visual_id, |
| 178 | CARD32 ctxt_id, drm_context_t * a_hw_ctxt) |
| 179 | { |
| 180 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 181 | int screen = hostx_get_screen(); |
| 182 | Bool is_ok = FALSE; |
| 183 | xcb_xf86dri_create_context_cookie_t cookie; |
| 184 | xcb_xf86dri_create_context_reply_t *reply; |
| 185 | |
| 186 | ctxt_id = xcb_generate_id(conn); |
| 187 | |
| 188 | EPHYR_LOG("enter. screen:%d, visual:%d\n", a_screen, a_visual_id); |
| 189 | cookie = xcb_xf86dri_create_context(conn, screen, a_visual_id, ctxt_id); |
| 190 | reply = xcb_xf86dri_create_context_reply(conn, cookie, NULL); |
| 191 | if (!reply) |
| 192 | goto out; |
| 193 | *a_hw_ctxt = reply->hw_context; |
| 194 | is_ok = TRUE; |
| 195 | out: |
| 196 | free(reply); |
| 197 | EPHYR_LOG("leave:%d\n", is_ok); |
| 198 | return is_ok; |
| 199 | } |
| 200 | |
| 201 | Bool |
| 202 | ephyrDRIDestroyContext(int a_screen, int a_context_id) |
| 203 | { |
| 204 | xcb_connection_t *conn = hostx_get_xcbconn (); |
| 205 | int screen = hostx_get_screen(); |
| 206 | |
| 207 | EPHYR_LOG("enter\n"); |
| 208 | xcb_xf86dri_destroy_context(conn, screen, a_context_id); |
| 209 | EPHYR_LOG("leave\n"); |
| 210 | return TRUE; |
| 211 | } |
| 212 | |
| 213 | Bool |
| 214 | ephyrDRICreateDrawable(int a_screen, |
| 215 | int a_drawable, drm_drawable_t * a_hw_drawable) |
| 216 | { |
| 217 | Bool is_ok = FALSE; |
| 218 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 219 | int screen = hostx_get_screen(); |
| 220 | xcb_xf86dri_create_drawable_cookie_t cookie; |
| 221 | xcb_xf86dri_create_drawable_reply_t *reply; |
| 222 | |
| 223 | EPHYR_LOG("enter\n"); |
| 224 | cookie = xcb_xf86dri_create_drawable(conn, screen, a_drawable); |
| 225 | reply = xcb_xf86dri_create_drawable_reply(conn, cookie, NULL); |
| 226 | if (!reply) |
| 227 | goto out; |
| 228 | *a_hw_drawable = reply->hw_drawable_handle; |
| 229 | is_ok = TRUE; |
| 230 | out: |
| 231 | free(reply); |
| 232 | EPHYR_LOG("leave. is_ok:%d\n", is_ok); |
| 233 | return is_ok; |
| 234 | } |
| 235 | |
| 236 | Bool |
| 237 | ephyrDRIDestroyDrawable(int a_screen, int a_drawable) |
| 238 | { |
| 239 | EPHYR_LOG("enter\n"); |
| 240 | EPHYR_LOG_ERROR("not implemented yet\n"); |
| 241 | EPHYR_LOG("leave\n"); |
| 242 | return FALSE; |
| 243 | } |
| 244 | |
| 245 | Bool |
| 246 | ephyrDRIGetDrawableInfo(int a_screen, |
| 247 | int a_drawable, |
| 248 | unsigned int *a_index, |
| 249 | unsigned int *a_stamp, |
| 250 | int *a_x, |
| 251 | int *a_y, |
| 252 | int *a_w, |
| 253 | int *a_h, |
| 254 | int *a_num_clip_rects, |
| 255 | drm_clip_rect_t ** a_clip_rects, |
| 256 | int *a_back_x, |
| 257 | int *a_back_y, |
| 258 | int *a_num_back_clip_rects, |
| 259 | drm_clip_rect_t ** a_back_clip_rects) |
| 260 | { |
| 261 | Bool is_ok = FALSE; |
| 262 | xcb_connection_t *conn = hostx_get_xcbconn(); |
| 263 | int screen = hostx_get_screen(); |
| 264 | xcb_xf86dri_get_drawable_info_cookie_t cookie; |
| 265 | xcb_xf86dri_get_drawable_info_reply_t *reply = NULL; |
| 266 | EphyrHostWindowAttributes attrs; |
| 267 | |
| 268 | EPHYR_RETURN_VAL_IF_FAIL(a_x && a_y && a_w && a_h |
| 269 | && a_num_clip_rects, FALSE); |
| 270 | |
| 271 | EPHYR_LOG("enter\n"); |
| 272 | memset(&attrs, 0, sizeof(attrs)); |
| 273 | if (!hostx_get_window_attributes(a_drawable, &attrs)) { |
| 274 | EPHYR_LOG_ERROR("failed to query host window attributes\n"); |
| 275 | goto out; |
| 276 | } |
| 277 | cookie = xcb_xf86dri_get_drawable_info(conn, screen, a_drawable); |
| 278 | reply = xcb_xf86dri_get_drawable_info_reply(conn, cookie, NULL); |
| 279 | if (!reply) { |
| 280 | EPHYR_LOG_ERROR ("XF86DRIGetDrawableInfo ()\n"); |
| 281 | goto out; |
| 282 | } |
| 283 | *a_index = reply->drawable_table_index; |
| 284 | *a_stamp = reply->drawable_table_stamp; |
| 285 | *a_x = reply->drawable_origin_X; |
| 286 | *a_y = reply->drawable_origin_Y; |
| 287 | *a_w = reply->drawable_size_W; |
| 288 | *a_h = reply->drawable_size_H; |
| 289 | *a_num_clip_rects = reply->num_clip_rects; |
| 290 | *a_clip_rects = calloc(*a_num_clip_rects, sizeof(drm_clip_rect_t)); |
| 291 | memcpy(*a_clip_rects, xcb_xf86dri_get_drawable_info_clip_rects(reply), |
| 292 | *a_num_clip_rects * sizeof(drm_clip_rect_t)); |
| 293 | EPHYR_LOG("host x,y,w,h: (%d,%d,%d,%d)\n", *a_x, *a_y, *a_w, *a_h); |
| 294 | if (*a_num_clip_rects) { |
| 295 | free(*a_back_clip_rects); |
| 296 | *a_back_clip_rects = calloc(*a_num_clip_rects, sizeof(drm_clip_rect_t)); |
| 297 | memmove(*a_back_clip_rects, |
| 298 | *a_clip_rects, *a_num_clip_rects * sizeof(drm_clip_rect_t)); |
| 299 | *a_num_back_clip_rects = *a_num_clip_rects; |
| 300 | } |
| 301 | EPHYR_LOG("num back clip rects:%d, num clip rects:%d\n", |
| 302 | *a_num_clip_rects, *a_num_back_clip_rects); |
| 303 | *a_back_x = *a_x; |
| 304 | *a_back_y = *a_y; |
| 305 | *a_w = attrs.width; |
| 306 | *a_h = attrs.height; |
| 307 | |
| 308 | is_ok = TRUE; |
| 309 | out: |
| 310 | EPHYR_LOG("leave. index:%d, stamp:%d, x,y:(%d,%d), w,y:(%d,%d)\n", |
| 311 | *a_index, *a_stamp, *a_x, *a_y, *a_w, *a_h); |
| 312 | free(reply); |
| 313 | return is_ok; |
| 314 | } |
| 315 | |
| 316 | Bool |
| 317 | ephyrDRIGetDeviceInfo(int a_screen, |
| 318 | drm_handle_t * a_frame_buffer, |
| 319 | int *a_fb_origin, |
| 320 | int *a_fb_size, |
| 321 | int *a_fb_stride, |
| 322 | int *a_dev_private_size, void **a_dev_private) |
| 323 | { |
| 324 | Bool is_ok = FALSE; |
| 325 | xcb_connection_t *conn = hostx_get_xcbconn (); |
| 326 | int screen = hostx_get_screen(); |
| 327 | xcb_xf86dri_get_device_info_cookie_t cookie; |
| 328 | xcb_xf86dri_get_device_info_reply_t *reply; |
| 329 | |
| 330 | EPHYR_RETURN_VAL_IF_FAIL(conn, FALSE); |
| 331 | EPHYR_LOG("enter\n"); |
| 332 | cookie = xcb_xf86dri_get_device_info(conn, screen); |
| 333 | reply = xcb_xf86dri_get_device_info_reply(conn, cookie, NULL); |
| 334 | if (!reply) |
| 335 | goto out; |
| 336 | *a_frame_buffer = reply->framebuffer_handle_low; |
| 337 | if (sizeof(drm_handle_t) == 8) { |
| 338 | int shift = 32; |
| 339 | *a_frame_buffer |= ((drm_handle_t)reply->framebuffer_handle_high) << shift; |
| 340 | } |
| 341 | *a_fb_origin = reply->framebuffer_origin_offset; |
| 342 | *a_fb_size = reply->framebuffer_size; |
| 343 | *a_fb_stride = reply->framebuffer_stride; |
| 344 | *a_dev_private_size = reply->device_private_size; |
| 345 | *a_dev_private = calloc(reply->device_private_size, 1); |
| 346 | if (!*a_dev_private) |
| 347 | goto out; |
| 348 | memcpy(*a_dev_private, |
| 349 | xcb_xf86dri_get_device_info_device_private(reply), |
| 350 | reply->device_private_size); |
| 351 | is_ok = TRUE; |
| 352 | out: |
| 353 | free(reply); |
| 354 | EPHYR_LOG("leave:%d\n", is_ok); |
| 355 | return is_ok; |
| 356 | } |