/**************************************************************************
-
-libtdm
-
-Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
-
-Contact: Eunchul Kim <chulspro.kim@samsung.com>,
- JinYoung Jeon <jy0.jeon@samsung.com>,
- Taeheon Kim <th908.kim@samsung.com>,
- YoungJun Cho <yj44.cho@samsung.com>,
- SooChan Lim <sc1.lim@samsung.com>,
- Boram Park <sc1.lim@samsung.com>
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sub license, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice (including the
-next paragraph) shall be included in all copies or substantial portions
-of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
-ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+ *
+ * libtdm
+ *
+ * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
+ *
+ * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
+ * JinYoung Jeon <jy0.jeon@samsung.com>,
+ * Taeheon Kim <th908.kim@samsung.com>,
+ * YoungJun Cho <yj44.cho@samsung.com>,
+ * SooChan Lim <sc1.lim@samsung.com>,
+ * Boram Park <sc1.lim@samsung.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
**************************************************************************/
#ifdef HAVE_CONFIG_H
/* CAUTION:
* - tdm server doesn't care about thread things.
* - DO NOT use the TDM internal functions here.
+ * However, the internal function which does lock/unlock the mutex of
+ * private_display in itself can be called.
+ * - DO NOT use the tdm_private_display structure here.
*/
struct _tdm_private_server {
+ tdm_private_loop *private_loop;
+ struct list_head client_list;
struct list_head vblank_list;
};
+typedef struct _tdm_server_client_info {
+ struct list_head link;
+ tdm_private_server *private_server;
+ struct wl_resource *resource;
+
+ tdm_output *vblank_output;
+ double vblank_gap;
+ unsigned int last_tv_sec;
+ unsigned int last_tv_usec;
+} tdm_server_client_info;
+
typedef struct _tdm_server_vblank_info {
struct list_head link;
+ tdm_server_client_info *client_info;
struct wl_resource *resource;
- tdm_private_server *private_server;
+
+ unsigned int req_sec;
+ unsigned int req_usec;
+
+ tdm_event_loop_source *timer_source;
+ unsigned int timer_target_sec;
+ unsigned int timer_target_usec;
} tdm_server_vblank_info;
static tdm_private_server *keep_private_server;
static int tdm_debug_server;
static void
-_tdm_server_cb_output_vblank(tdm_output *output, unsigned int sequence,
- unsigned int tv_sec, unsigned int tv_usec,
- void *user_data)
+_tdm_server_send_done(tdm_server_vblank_info *vblank_info, unsigned int sequence,
+ unsigned int tv_sec, unsigned int tv_usec);
+
+static tdm_error
+_tdm_server_cb_timer(void *user_data)
{
tdm_server_vblank_info *vblank_info = (tdm_server_vblank_info*)user_data;
+
+ _tdm_server_send_done(vblank_info, 0,
+ vblank_info->timer_target_sec,
+ vblank_info->timer_target_usec);
+
+ return TDM_ERROR_NONE;
+}
+
+static tdm_error
+_tdm_server_update_timer(tdm_server_vblank_info *vblank_info, int interval)
+{
+ tdm_server_client_info *client_info = vblank_info->client_info;
+ tdm_private_server *private_server = client_info->private_server;
+ tdm_private_loop *private_loop = private_server->private_loop;
+ unsigned long last, prev_req, req, curr, next;
+ unsigned int ms_delay;
+ tdm_error ret;
+
+ ret = tdm_display_lock(private_loop->dpy);
+ TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
+
+ if (!vblank_info->timer_source) {
+ vblank_info->timer_source =
+ tdm_event_loop_add_timer_handler(private_loop->dpy,
+ _tdm_server_cb_timer,
+ vblank_info,
+ NULL);
+ if (!vblank_info->timer_source) {
+ TDM_ERR("couldn't add timer");
+ tdm_display_unlock(private_loop->dpy);
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+ }
+
+ last = (unsigned long)client_info->last_tv_sec * 1000000 + client_info->last_tv_usec;
+ req = (unsigned long)vblank_info->req_sec * 1000000 + vblank_info->req_usec;
+ curr = tdm_helper_get_time_in_micros();
+
+ prev_req = last + (unsigned int)((req - last) / client_info->vblank_gap) * client_info->vblank_gap;
+ next = prev_req + (unsigned long)(client_info->vblank_gap * interval);
+
+ while (next < curr)
+ next += (unsigned long)client_info->vblank_gap;
+
+ TDM_DBG("last(%.6lu) req(%.6lu) curr(%.6lu) prev_req(%.6lu) next(%.6lu)",
+ last, req, curr, prev_req, next);
+
+ ms_delay = (unsigned int)ceil((double)(next - curr) / 1000);
+ if (ms_delay == 0)
+ ms_delay = 1;
+
+ TDM_DBG("delay(%lu) ms_delay(%d)", next - curr, ms_delay);
+
+ ret = tdm_event_loop_source_timer_update(vblank_info->timer_source, ms_delay);
+ if (ret != TDM_ERROR_NONE) {
+ tdm_event_loop_source_remove(vblank_info->timer_source);
+ vblank_info->timer_source = NULL;
+ tdm_display_unlock(private_loop->dpy);
+ TDM_ERR("couldn't update timer");
+ return TDM_ERROR_OPERATION_FAILED;
+ }
+
+ TDM_DBG("timer tick: %d us", (int)(next - last));
+
+ vblank_info->timer_target_sec = next / 1000000;
+ vblank_info->timer_target_usec = next % 1000000;
+
+ tdm_display_unlock(private_loop->dpy);
+
+ return TDM_ERROR_NONE;
+}
+
+static void
+_tdm_server_send_done(tdm_server_vblank_info *vblank_info, unsigned int sequence,
+ unsigned int tv_sec, unsigned int tv_usec)
+{
tdm_server_vblank_info *found;
+ tdm_server_client_info *client_info;
+ unsigned long vtime = (tv_sec * 1000000) + tv_usec;
+ unsigned long curr = tdm_helper_get_time_in_micros();
if (!keep_private_server)
return;
LIST_FIND_ITEM(vblank_info, &keep_private_server->vblank_list,
- tdm_server_vblank_info, link, found);
+ tdm_server_vblank_info, link, found);
if (!found) {
TDM_DBG("vblank_info(%p) is destroyed", vblank_info);
return;
}
+ client_info = vblank_info->client_info;
+ client_info->last_tv_sec = tv_sec;
+ client_info->last_tv_usec = tv_usec;
+
+ TDM_DBG("wl_tdm_vblank@%d done. tv(%lu) curr(%lu)",
+ wl_resource_get_id(vblank_info->resource), vtime, curr);
+
if (tdm_debug_server) {
- unsigned long curr = tdm_helper_get_time_in_micros();
- unsigned long vtime = (tv_sec * 1000000) + tv_usec;
if (curr - vtime > 1000) /* 1ms */
TDM_WRN("delay: %d us", (int)(curr - vtime));
}
- TDM_DBG("wl_tdm_vblank@%d done", wl_resource_get_id(vblank_info->resource));
-
wl_tdm_vblank_send_done(vblank_info->resource, sequence, tv_sec, tv_usec);
wl_resource_destroy(vblank_info->resource);
}
static void
+_tdm_server_cb_output_vblank(tdm_output *output, unsigned int sequence,
+ unsigned int tv_sec, unsigned int tv_usec,
+ void *user_data)
+{
+ tdm_server_vblank_info *vblank_info = (tdm_server_vblank_info*)user_data;
+
+ _tdm_server_send_done(vblank_info, sequence, tv_sec, tv_usec);
+}
+
+static void
destroy_vblank_callback(struct wl_resource *resource)
{
tdm_server_vblank_info *vblank_info = wl_resource_get_user_data(resource);
+
+ if (vblank_info->timer_source) {
+ tdm_private_server *private_server = vblank_info->client_info->private_server;
+
+ tdm_display_lock(private_server->private_loop->dpy);
+ tdm_event_loop_source_remove(vblank_info->timer_source);
+ tdm_display_unlock(private_server->private_loop->dpy);
+ }
+
LIST_DEL(&vblank_info->link);
free(vblank_info);
}
static void
-_tdm_server_cb_wait_vblank(struct wl_client *client,
- struct wl_resource *resource,
- uint32_t id, const char *name, int32_t sw_timer,
- int32_t interval, uint32_t req_sec, uint32_t req_usec)
+_tdm_server_client_cb_destroy(struct wl_client *client, struct wl_resource *resource)
{
- tdm_private_loop *private_loop = wl_resource_get_user_data(resource);
- tdm_private_server *private_server = private_loop->private_server;
+ wl_resource_destroy(resource);
+}
+
+static void
+_tdm_server_client_cb_wait_vblank(struct wl_client *client,
+ struct wl_resource *resource,
+ uint32_t id, const char *name,
+ int32_t sw_timer, int32_t interval,
+ uint32_t req_sec, uint32_t req_usec)
+{
+ tdm_server_client_info *client_info = wl_resource_get_user_data(resource);
+ tdm_private_server *private_server = client_info->private_server;
+ tdm_private_loop *private_loop = private_server->private_loop;
tdm_server_vblank_info *vblank_info;
struct wl_resource *vblank_resource;
tdm_output *found = NULL;
- int count = 0, i;
+ tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
tdm_error ret;
+ const char *model;
TDM_DBG("The tdm client requests vblank");
- tdm_display_get_output_count(private_loop->dpy, &count);
+ if (tdm_debug_server) {
+ unsigned long curr = tdm_helper_get_time_in_micros();
+ unsigned long reqtime = (req_sec * 1000000) + req_usec;
+ if (curr - reqtime > 1000) /* 1ms */
+ TDM_WRN("delay(req): %d us", (int)(curr - reqtime));
+ }
+
+ if (client_info->vblank_output) {
+ model = NULL;
+ ret = tdm_output_get_model_info(client_info->vblank_output, NULL, &model, NULL);
+ if (model && !strncmp(model, name, TDM_NAME_LEN))
+ found = client_info->vblank_output;
+ }
+
+ if (!found) {
+ int count = 0, i;
- for (i = 0; i < count; i++) {
- tdm_output *output= tdm_display_get_output(private_loop->dpy, i, NULL);
- tdm_output_conn_status status;
- const char *model = NULL;
+ tdm_display_get_output_count(private_loop->dpy, &count);
- ret = tdm_output_get_conn_status(output, &status);
- if (ret || status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
- continue;
+ for (i = 0; i < count; i++) {
+ tdm_output *output = tdm_display_get_output(private_loop->dpy, i, NULL);
+ tdm_output_conn_status status;
- ret = tdm_output_get_model_info(output, NULL, &model, NULL);
- if (ret || !model)
- continue;
+ ret = tdm_output_get_conn_status(output, &status);
+ if (ret || status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
+ continue;
- if (strncmp(model, name, TDM_NAME_LEN))
- continue;
+ model = NULL;
+ ret = tdm_output_get_model_info(output, NULL, &model, NULL);
+ if (ret || !model)
+ continue;
- found = output;
- break;
+ if (strncmp(model, name, TDM_NAME_LEN))
+ continue;
+
+ found = output;
+ break;
+ }
}
if (!found) {
- wl_resource_post_error(resource, WL_TDM_ERROR_INVALID_NAME,
- "There is no '%s' output", name);
+ wl_resource_post_error(resource, WL_TDM_CLIENT_ERROR_INVALID_NAME,
+ "There is no '%s' output", name);
TDM_ERR("There is no '%s' output", name);
return;
}
- /* TODO: need to implement things related with sw_timer */
+ if (client_info->vblank_output != found) {
+ const tdm_output_mode *mode = NULL;
- vblank_resource =
- wl_resource_create(client, &wl_tdm_vblank_interface,
- wl_resource_get_version(resource), id);
- if (!vblank_resource) {
- wl_resource_post_no_memory(resource);
- TDM_ERR("wl_resource_create failed");
+ client_info->vblank_output = found;
+
+ tdm_output_get_mode(client_info->vblank_output, &mode);
+ if (!mode || mode->vrefresh <= 0) {
+ wl_resource_post_error(resource, WL_TDM_CLIENT_ERROR_OPERATION_FAILED,
+ "couldn't get mode of %s", name);
+ TDM_ERR("couldn't get mode of %s", name);
+ return;
+ }
+
+ client_info->vblank_gap = (double)1000000 / mode->vrefresh;
+ TDM_INFO("vblank_gap(%.6lf)", client_info->vblank_gap);
+ }
+
+ tdm_output_get_dpms(found, &dpms_value);
+
+ if (dpms_value != TDM_OUTPUT_DPMS_ON && !sw_timer) {
+ wl_resource_post_error(resource, WL_TDM_CLIENT_ERROR_DPMS_OFF,
+ "dpms '%s'", tdm_get_dpms_str(dpms_value));
+ TDM_ERR("dpms '%s'", tdm_get_dpms_str(dpms_value));
return;
}
- vblank_info = calloc(1, sizeof *vblank_info);
+ vblank_info = calloc(1, sizeof * vblank_info);
if (!vblank_info) {
- wl_resource_destroy(vblank_resource);
wl_resource_post_no_memory(resource);
TDM_ERR("alloc failed");
return;
TDM_DBG("wl_tdm_vblank@%d output(%s) interval(%d)", id, name, interval);
- ret = tdm_output_wait_vblank(found, interval, 0,
- _tdm_server_cb_output_vblank, vblank_info);
- if (ret != TDM_ERROR_NONE) {
- wl_resource_destroy(vblank_resource);
- free(vblank_info);
- wl_resource_post_error(resource, WL_TDM_ERROR_OPERATION_FAILED,
- "couldn't wait vblank for %s", name);
- TDM_ERR("couldn't wait vblank for %s", name);
- return;
- }
-
- if (tdm_debug_server) {
- unsigned long curr = tdm_helper_get_time_in_micros();
- unsigned long reqtime = (req_sec * 1000000) + req_usec;
- if (curr - reqtime > 1000) /* 1ms */
- TDM_WRN("delay(req): %d us", (int)(curr - reqtime));
+ vblank_resource =
+ wl_resource_create(client, &wl_tdm_vblank_interface,
+ wl_resource_get_version(resource), id);
+ if (!vblank_resource) {
+ wl_resource_post_no_memory(resource);
+ TDM_ERR("wl_resource_create failed");
+ goto free_info;
}
vblank_info->resource = vblank_resource;
- vblank_info->private_server = private_server;
+ vblank_info->client_info = client_info;
+ vblank_info->req_sec = req_sec;
+ vblank_info->req_usec = req_usec;
+
+ if (dpms_value == TDM_OUTPUT_DPMS_ON) {
+ ret = tdm_output_wait_vblank(found, interval, 0,
+ _tdm_server_cb_output_vblank, vblank_info);
+ if (ret != TDM_ERROR_NONE) {
+ wl_resource_post_error(resource, WL_TDM_CLIENT_ERROR_OPERATION_FAILED,
+ "couldn't wait vblank for %s", name);
+ TDM_ERR("couldn't wait vblank for %s", name);
+ goto destroy_resource;
+ }
+ } else if (sw_timer) {
+ ret = _tdm_server_update_timer(vblank_info, interval);
+ if (ret != TDM_ERROR_NONE) {
+ wl_resource_post_error(resource, WL_TDM_CLIENT_ERROR_OPERATION_FAILED,
+ "couldn't update timer for %s", name);
+ TDM_ERR("couldn't update timer for %s", name);
+ goto destroy_resource;
+ }
+ } else {
+ wl_resource_post_error(resource, WL_TDM_CLIENT_ERROR_OPERATION_FAILED,
+ "bad implementation");
+ TDM_NEVER_GET_HERE();
+ goto destroy_resource;
+ }
wl_resource_set_implementation(vblank_resource, NULL, vblank_info,
- destroy_vblank_callback);
+ destroy_vblank_callback);
LIST_ADDTAIL(&vblank_info->link, &private_server->vblank_list);
+ return;
+destroy_resource:
+ wl_resource_destroy(vblank_resource);
+free_info:
+ free(vblank_info);
+}
+
+static const struct wl_tdm_client_interface tdm_client_implementation = {
+ _tdm_server_client_cb_destroy,
+ _tdm_server_client_cb_wait_vblank,
+};
+
+static void
+destroy_client_callback(struct wl_resource *resource)
+{
+ tdm_server_client_info *client_info = wl_resource_get_user_data(resource);
+ LIST_DEL(&client_info->link);
+ free(client_info);
+}
+
+static void
+_tdm_server_cb_create_client(struct wl_client *client,
+ struct wl_resource *resource, uint32_t id)
+{
+ tdm_private_server *private_server = wl_resource_get_user_data(resource);
+ tdm_server_client_info *client_info;
+ struct wl_resource *client_resource;
+
+ client_info = calloc(1, sizeof * client_info);
+ if (!client_info) {
+ wl_resource_post_no_memory(resource);
+ TDM_ERR("alloc failed");
+ return;
+ }
+
+ client_resource =
+ wl_resource_create(client, &wl_tdm_client_interface,
+ wl_resource_get_version(resource), id);
+ if (!client_resource) {
+ wl_resource_post_no_memory(resource);
+ free(client_info);
+ TDM_ERR("wl_resource_create failed");
+ return;
+ }
+
+ client_info->private_server = private_server;
+ client_info->resource = client_resource;
+
+ wl_resource_set_implementation(client_resource, &tdm_client_implementation,
+ client_info, destroy_client_callback);
+
+ LIST_ADDTAIL(&client_info->link, &private_server->client_list);
}
static const struct wl_tdm_interface tdm_implementation = {
- _tdm_server_cb_wait_vblank,
+ _tdm_server_cb_create_client,
};
static void
_tdm_server_bind(struct wl_client *client, void *data,
- uint32_t version, uint32_t id)
+ uint32_t version, uint32_t id)
{
struct wl_resource *resource;
TDM_RETURN_VAL_IF_FAIL(private_loop, TDM_ERROR_OPERATION_FAILED);
TDM_RETURN_VAL_IF_FAIL(private_loop->wl_display, TDM_ERROR_OPERATION_FAILED);
- if(wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
+ if (wl_display_add_socket(private_loop->wl_display, "tdm-socket")) {
TDM_ERR("createing a tdm-socket failed");
return TDM_ERROR_OPERATION_FAILED;
}
- private_server = calloc(1, sizeof *private_server);
+ private_server = calloc(1, sizeof * private_server);
if (!private_server) {
TDM_ERR("alloc failed");
return TDM_ERROR_OUT_OF_MEMORY;
}
+ LIST_INITHEAD(&private_server->client_list);
LIST_INITHEAD(&private_server->vblank_list);
if (!wl_global_create(private_loop->wl_display, &wl_tdm_interface, 1,
- private_loop, _tdm_server_bind)) {
+ private_server, _tdm_server_bind)) {
TDM_ERR("creating a global resource failed");
free(private_server);
return TDM_ERROR_OUT_OF_MEMORY;
}
+ private_server->private_loop = private_loop;
private_loop->private_server = private_server;
keep_private_server = private_server;
tdm_server_deinit(tdm_private_loop *private_loop)
{
tdm_server_vblank_info *v = NULL, *vv = NULL;
+ tdm_server_client_info *c = NULL, *cc = NULL;
tdm_private_server *private_server;
if (!private_loop->private_server)
wl_resource_destroy(v->resource);
}
+ LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_server->client_list, link) {
+ wl_resource_destroy(c->resource);
+ }
+
free(private_server);
private_loop->private_server = NULL;
keep_private_server = NULL;