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monitor-manager: Refactor tiled monitor assembly code
Refactor the tiled monitor assembly code (that constructs a logical monitor out of tiling information. Part of the reason is to move away from array based storage, part is to make the code easier to follow, and part is to separate logical monitor construction from list manipulation. https://bugzilla.gnome.org/show_bug.cgi?id=777732
This commit is contained in:
Jonas Ådahl
parent
016359ede2
commit
20b8743f21
@ -71,98 +71,91 @@ meta_monitor_manager_init (MetaMonitorManager *manager)
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{
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{
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}
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}
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/*
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static gboolean
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* rules for constructing a tiled monitor
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is_main_tiled_monitor_output (MetaOutput *output)
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* 1. find a tile_group_id
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* 2. iterate over all outputs for that tile group id
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* 3. see if output has a crtc and if it is configured for the tile size
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* 4. calculate the total tile size
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* 5. set tile finished size
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* 6. check for more tile_group_id
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*/
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static void
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construct_tile_monitor (MetaMonitorManager *manager,
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GArray *logical_monitors,
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uint32_t tile_group_id)
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{
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{
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MetaLogicalMonitor new_logical_monitor;
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return output->tile_info.loc_h_tile == 0 && output->tile_info.loc_v_tile == 0;
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unsigned i;
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}
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for (i = 0; i < logical_monitors->len; i++)
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static void
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calculate_tiled_monitor_size (MetaMonitorManager *manager,
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uint32_t tile_group_id,
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int *out_width,
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int *out_height)
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{
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int width, height;
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unsigned int i;
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width = 0;
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height = 0;
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for (i = 0; i < manager->n_outputs; i++)
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{
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{
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MetaLogicalMonitor *logical_monitor = &g_array_index (logical_monitors,
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MetaOutput *output = &manager->outputs[i];
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MetaLogicalMonitor,
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i);
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if (logical_monitor->tile_group_id == tile_group_id)
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if (output->tile_info.group_id != tile_group_id)
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return;
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continue;
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if (output->tile_info.loc_v_tile == 0)
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width += output->tile_info.tile_w;
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if (output->tile_info.loc_h_tile == 0)
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height += output->tile_info.tile_h;
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}
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}
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/* didn't find it */
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*out_width = width;
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new_logical_monitor.number = logical_monitors->len;
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*out_height = height;
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new_logical_monitor.tile_group_id = tile_group_id;
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}
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new_logical_monitor.is_presentation = FALSE;
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new_logical_monitor.refresh_rate = 0.0;
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static void
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new_logical_monitor.width_mm = 0;
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add_tiled_monitor_outputs (MetaMonitorManager *manager,
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new_logical_monitor.height_mm = 0;
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MetaLogicalMonitor *logical_monitor,
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new_logical_monitor.is_primary = FALSE;
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uint32_t tile_group_id)
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new_logical_monitor.rect.x = INT_MAX;
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{
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new_logical_monitor.rect.y = INT_MAX;
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unsigned int i;
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new_logical_monitor.rect.width = 0;
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new_logical_monitor.rect.height = 0;
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new_logical_monitor.winsys_id = 0;
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new_logical_monitor.n_outputs = 0;
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new_logical_monitor.monitor_winsys_xid = 0;
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for (i = 0; i < manager->n_outputs; i++)
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for (i = 0; i < manager->n_outputs; i++)
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{
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{
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MetaOutput *output = &manager->outputs[i];
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MetaOutput *output = &manager->outputs[i];
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if (!output->tile_info.group_id)
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continue;
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if (output->tile_info.group_id != tile_group_id)
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if (output->tile_info.group_id != tile_group_id)
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continue;
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continue;
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if (!output->crtc)
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if (logical_monitor->n_outputs > META_MAX_OUTPUTS_PER_MONITOR)
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continue;
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if (output->crtc->rect.width != (int)output->tile_info.tile_w ||
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output->crtc->rect.height != (int)output->tile_info.tile_h)
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continue;
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if (output->tile_info.loc_h_tile == 0 && output->tile_info.loc_v_tile == 0)
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{
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{
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new_logical_monitor.refresh_rate = output->crtc->current_mode->refresh_rate;
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g_warning ("Couldn't add all outputs to monitor");
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new_logical_monitor.width_mm = output->width_mm;
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return;
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new_logical_monitor.height_mm = output->height_mm;
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new_logical_monitor.winsys_id = output->winsys_id;
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}
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}
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/* hack */
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logical_monitor->outputs[logical_monitor->n_outputs] = output;
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if (output->crtc->rect.x < new_logical_monitor.rect.x)
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logical_monitor->n_outputs++;
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new_logical_monitor.rect.x = output->crtc->rect.x;
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if (output->crtc->rect.y < new_logical_monitor.rect.y)
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new_logical_monitor.rect.y = output->crtc->rect.y;
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if (output->tile_info.loc_h_tile == 0)
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new_logical_monitor.rect.height += output->tile_info.tile_h;
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if (output->tile_info.loc_v_tile == 0)
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new_logical_monitor.rect.width += output->tile_info.tile_w;
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if (new_logical_monitor.n_outputs > META_MAX_OUTPUTS_PER_MONITOR)
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continue;
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new_logical_monitor.outputs[new_logical_monitor.n_outputs++] = output;
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}
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}
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}
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/* if we don't have a winsys id, i.e. we haven't found tile 0,0
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static MetaLogicalMonitor *
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don't try and add this to the monitor infos */
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construct_tile_monitor (MetaMonitorManager *manager,
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if (!new_logical_monitor.winsys_id)
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MetaOutput *output,
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return;
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int monitor_number)
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{
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MetaLogicalMonitor *logical_monitor = NULL;
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g_array_append_val (logical_monitors, new_logical_monitor);
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logical_monitor = g_new0 (MetaLogicalMonitor, 1);
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logical_monitor->tile_group_id = output->tile_info.group_id;
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logical_monitor->refresh_rate = output->crtc->current_mode->refresh_rate;
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logical_monitor->width_mm = output->width_mm;
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logical_monitor->height_mm = output->height_mm;
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logical_monitor->winsys_id = output->winsys_id;
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logical_monitor->rect.x = output->crtc->rect.x;
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logical_monitor->rect.y = output->crtc->rect.y;
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calculate_tiled_monitor_size (manager, output->tile_info.group_id,
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&logical_monitor->rect.width,
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&logical_monitor->rect.height);
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add_tiled_monitor_outputs (manager, logical_monitor,
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output->tile_info.group_id);
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return logical_monitor;
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}
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}
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/*
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/*
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@ -191,9 +184,22 @@ make_logical_config (MetaMonitorManager *manager)
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{
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{
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MetaOutput *output = &manager->outputs[i];
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MetaOutput *output = &manager->outputs[i];
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if (output->tile_info.group_id)
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if (!output->crtc)
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construct_tile_monitor (manager, logical_monitors,
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continue;
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output->tile_info.group_id);
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if (!output->tile_info.group_id)
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continue;
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if (is_main_tiled_monitor_output (output))
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{
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MetaLogicalMonitor *logical_monitor;
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logical_monitor = construct_tile_monitor (manager,
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output,
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logical_monitors->len);
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g_array_append_val (logical_monitors, logical_monitor);
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}
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}
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}
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for (i = 0; i < manager->n_crtcs; i++)
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for (i = 0; i < manager->n_crtcs; i++)
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