forked from enlightenment/efl
514 lines
12 KiB
C
514 lines
12 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "ecore_drm_private.h"
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#include <dlfcn.h>
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static Eina_List *drm_devices;
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static void
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_ecore_drm_device_cb_page_flip(int fd EINA_UNUSED, unsigned int frame EINA_UNUSED, unsigned int sec EINA_UNUSED, unsigned int usec EINA_UNUSED, void *data)
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{
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Ecore_Drm_Output *output;
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DBG("Drm Page Flip Event");
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if (!(output = data)) return;
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if (output->pending_flip)
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{
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ecore_drm_output_fb_release(output, output->current);
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output->current = output->next;
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output->next = NULL;
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}
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output->pending_flip = EINA_FALSE;
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if (!output->pending_vblank) ecore_drm_output_repaint(output);
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}
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static void
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_ecore_drm_device_cb_vblank(int fd EINA_UNUSED, unsigned int frame EINA_UNUSED, unsigned int sec EINA_UNUSED, unsigned int usec EINA_UNUSED, void *data)
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{
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Ecore_Drm_Sprite *sprite;
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Ecore_Drm_Output *output;
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DBG("Drm VBlank Event");
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if (!(sprite = data)) return;
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output = sprite->output;
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output->pending_vblank = EINA_FALSE;
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ecore_drm_output_fb_release(output, sprite->current_fb);
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sprite->current_fb = sprite->next_fb;
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sprite->next_fb = NULL;
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if (!output->pending_flip) _ecore_drm_output_frame_finish(output);
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}
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static Eina_Bool
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_ecore_drm_device_cb_event(void *data, Ecore_Fd_Handler *hdlr EINA_UNUSED)
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{
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Ecore_Drm_Device *dev;
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drmEventContext ctx;
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if (!(dev = data)) return ECORE_CALLBACK_RENEW;
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DBG("Drm Device Event");
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memset(&ctx, 0, sizeof(ctx));
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ctx.version = DRM_EVENT_CONTEXT_VERSION;
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ctx.page_flip_handler = _ecore_drm_device_cb_page_flip;
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ctx.vblank_handler = _ecore_drm_device_cb_vblank;
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drmHandleEvent(dev->drm.fd, &ctx);
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return ECORE_CALLBACK_RENEW;
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}
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static Eina_Bool
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_ecore_drm_device_cb_idle(void *data)
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{
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Ecore_Drm_Device *dev;
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Ecore_Drm_Output *output;
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Eina_List *l;
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if (!(dev = data)) return ECORE_CALLBACK_CANCEL;
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EINA_LIST_FOREACH(dev->outputs, l, output)
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{
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output->need_repaint = EINA_TRUE;
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if (output->repaint_scheduled) continue;
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_ecore_drm_output_repaint_start(output);
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}
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return ECORE_CALLBACK_RENEW;
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}
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/**
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* @defgroup Ecore_Drm_Device_Group Device manipulation functions
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*
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* Functions that deal with finding, opening, closing, and otherwise using
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* the DRM device itself.
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*/
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/**
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* Find a drm device in the system.
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*
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* @param name The name of the device to find. If NULL, this function will
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* search for the default drm device.
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* @param seat The name of the seat where this device may be found. If NULL,
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* this function will use a default seat name 'seat0'.
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*
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* @return An opaque Ecore_Drm_Device structure representing the card.
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI Ecore_Drm_Device *
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ecore_drm_device_find(const char *name, const char *seat)
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{
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Ecore_Drm_Device *dev = NULL;
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Eina_Bool found = EINA_FALSE;
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Eina_Bool platform = EINA_FALSE;
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Eina_List *devs, *l;
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const char *device;
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/* try to get a list of drm devics */
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if (!(devs = eeze_udev_find_by_type(EEZE_UDEV_TYPE_DRM, name)))
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return NULL;
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DBG("Find Drm Device: %s", name);
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EINA_LIST_FOREACH(devs, l, device)
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{
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const char *devpath;
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const char *devseat;
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const char *devparent;
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if (!(devpath = eeze_udev_syspath_get_devpath(device)))
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continue;
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DBG("Found Drm Device");
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DBG("\tDevice: %s", device);
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DBG("\tDevpath: %s", devpath);
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if ((name) && (strcmp(name, devpath))) goto cont;
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if (!(devseat = eeze_udev_syspath_get_property(device, "ID_SEAT")))
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devseat = eina_stringshare_add("seat0");
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if ((seat) && (strcmp(seat, devseat)))
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goto cont;
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else if (strcmp(devseat, "seat0"))
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goto cont;
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devparent = eeze_udev_syspath_get_parent_filtered(device, "pci", NULL);
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if (!devparent)
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{
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devparent =
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eeze_udev_syspath_get_parent_filtered(device, "platform", NULL);
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platform = EINA_TRUE;
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}
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if (devparent)
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{
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if (!platform)
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{
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const char *id;
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if ((id = eeze_udev_syspath_get_sysattr(devparent, "boot_vga")))
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{
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if (!strcmp(id, "1")) found = EINA_TRUE;
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eina_stringshare_del(id);
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}
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}
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else
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found = EINA_TRUE;
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eina_stringshare_del(devparent);
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}
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cont:
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eina_stringshare_del(devpath);
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if (found) break;
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}
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if (!found) goto out;
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if ((dev = calloc(1, sizeof(Ecore_Drm_Device))))
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{
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dev->drm.name = eeze_udev_syspath_get_devpath(device);
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dev->drm.path = eina_stringshare_add(device);
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dev->id = eeze_udev_syspath_get_sysnum(device);
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dev->seat = eeze_udev_syspath_get_property(device, "ID_SEAT");
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if (!dev->seat) dev->seat = eina_stringshare_add("seat0");
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dev->vt = 0;
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dev->format = 0;
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dev->use_hw_accel = EINA_FALSE;
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dev->session = NULL;
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DBG("Using Drm Device: %s", dev->drm.name);
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drm_devices = eina_list_append(drm_devices, dev);
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}
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out:
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EINA_LIST_FREE(devs, device)
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eina_stringshare_del(device);
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return dev;
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}
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/**
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* Free an Ecore_Drm_Device
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*
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* This function will cleanup and free any previously allocated Ecore_Drm_Device.
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*
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* @param dev The Ecore_Drm_Device to free
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI void
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ecore_drm_device_free(Ecore_Drm_Device *dev)
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{
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Ecore_Drm_Output *output;
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/* check for valid device */
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if (!dev) return;
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/* free outputs */
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EINA_LIST_FREE(dev->outputs, output)
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ecore_drm_output_free(output);
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/* free crtcs */
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if (dev->crtcs) free(dev->crtcs);
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/* free device name */
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if (dev->drm.name) eina_stringshare_del(dev->drm.name);
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/* free device path */
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if (dev->drm.path) eina_stringshare_del(dev->drm.path);
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/* free device seat */
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if (dev->seat) eina_stringshare_del(dev->seat);
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/* free session */
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free(dev->session);
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drm_devices = eina_list_remove(drm_devices, dev);
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/* free structure */
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free(dev);
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}
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/**
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* Open an Ecore_Drm_Device
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*
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* This function will open an existing Ecore_Drm_Device for use.
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*
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* @param dev The Ecore_Drm_Device to try and open
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*
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* @return EINA_TRUE on success, EINA_FALSE on failure
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI Eina_Bool
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ecore_drm_device_open(Ecore_Drm_Device *dev)
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{
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uint64_t caps;
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/* check for valid device */
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if ((!dev) || (!dev->drm.name)) return EINA_FALSE;
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/* DRM device node is needed immediately to keep going. */
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dev->drm.fd =
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_ecore_drm_launcher_device_open_no_pending(dev->drm.name, O_RDWR);
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if (dev->drm.fd < 0) return EINA_FALSE;
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DBG("Opened Device %s : %d", dev->drm.name, dev->drm.fd);
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if (!drmGetCap(dev->drm.fd, DRM_CAP_TIMESTAMP_MONOTONIC, &caps))
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{
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if (caps == 1)
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dev->drm.clock = CLOCK_MONOTONIC;
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else
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dev->drm.clock = CLOCK_REALTIME;
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}
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else
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{
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ERR("Could not get TIMESTAMP_MONOTONIC device capabilities: %m");
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}
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/* Without DUMB_BUFFER we can't do software rendering on DRM. Fail without it
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* until we have rock solid hardware accelerated DRM on all drivers */
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if (drmGetCap(dev->drm.fd, DRM_CAP_DUMB_BUFFER, &caps) < 0 || !caps)
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{
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ERR("Could not get DUMB_BUFFER device capabilities: %m");
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return EINA_FALSE;
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}
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/* try to create xkb context */
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if (!(dev->xkb_ctx = xkb_context_new(0)))
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{
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ERR("Failed to create xkb context: %m");
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return EINA_FALSE;
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}
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dev->drm.hdlr =
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ecore_main_fd_handler_add(dev->drm.fd, ECORE_FD_READ,
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_ecore_drm_device_cb_event, dev, NULL, NULL);
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dev->drm.idler =
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ecore_idle_enterer_add(_ecore_drm_device_cb_idle, dev);
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return EINA_TRUE;
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}
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/**
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* Close an Ecore_Drm_Device
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*
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* This function will close a previously opened Ecore_Drm_Device
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*
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* @param dev The Ecore_Drm_Device to free
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*
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* @return EINA_TRUE on success, EINA_FALSE on failure
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI Eina_Bool
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ecore_drm_device_close(Ecore_Drm_Device *dev)
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{
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/* check for valid device */
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if (!dev) return EINA_FALSE;
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/* close xkb context */
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if (dev->xkb_ctx) xkb_context_unref(dev->xkb_ctx);
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if (dev->drm.hdlr) ecore_main_fd_handler_del(dev->drm.hdlr);
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dev->drm.hdlr = NULL;
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_ecore_drm_launcher_device_close(dev->drm.name, dev->drm.fd);
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/* reset device fd */
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dev->drm.fd = -1;
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return EINA_TRUE;
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}
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EAPI Eina_List *
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ecore_drm_devices_get(void)
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{
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return drm_devices;
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}
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/**
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* Get if a given Ecore_Drm_Device is master
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*
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* This function will check if the given drm device is set to master
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*
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* @param dev The Ecore_Drm_Device to check
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*
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* @return EINA_TRUE if device is master, EINA_FALSE otherwise
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI Eina_Bool
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ecore_drm_device_master_get(Ecore_Drm_Device *dev)
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{
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drm_magic_t mag;
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/* check for valid device */
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if ((!dev) || (dev->drm.fd < 0)) return EINA_FALSE;
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/* get if we are master or not */
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if ((drmGetMagic(dev->drm.fd, &mag) == 0) &&
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(drmAuthMagic(dev->drm.fd, mag) == 0))
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return EINA_TRUE;
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return EINA_FALSE;
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}
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/**
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* Set a given Ecore_Drm_Device to master
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*
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* This function will attempt to set a given drm device to be master
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*
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* @param dev The Ecore_Drm_Device to set
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*
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* @return EINA_TRUE on success, EINA_FALSE on failure
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI Eina_Bool
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ecore_drm_device_master_set(Ecore_Drm_Device *dev)
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{
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/* check for valid device */
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if ((!dev) || (dev->drm.fd < 0)) return EINA_FALSE;
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DBG("Set Master On Fd: %d", dev->drm.fd);
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drmSetMaster(dev->drm.fd);
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return EINA_TRUE;
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}
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/**
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* Tell a given Ecore_Drm_Device to stop being master
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*
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* This function will attempt to ask a drm device to stop being master
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*
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* @param dev The Ecore_Drm_Device to set
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*
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* @return EINA_TRUE on success, EINA_FALSE on failure
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*
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* @ingroup Ecore_Drm_Device_Group
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*/
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EAPI Eina_Bool
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ecore_drm_device_master_drop(Ecore_Drm_Device *dev)
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{
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/* check for valid device */
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if ((!dev) || (dev->drm.fd < 0)) return EINA_FALSE;
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DBG("Drop Master On Fd: %d", dev->drm.fd);
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drmDropMaster(dev->drm.fd);
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return EINA_TRUE;
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}
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/**
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* Get the file descriptor of Ecore_Drm_Device
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*
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* This function will get the file descriptor of drm device
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*
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* @param dev The Ecore_Drm_Device to get
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*
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* @return fd value on success, -1 on failure
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*
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* @ingroup Ecore_Drm_Device_Group
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*
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*/
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EAPI int
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ecore_drm_device_fd_get(Ecore_Drm_Device *dev)
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{
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if (!dev) return -1;
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return dev->drm.fd;
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}
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/**
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* Set the window of Ecore_Drm_Device
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*
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* This function will set the window for given drm device
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*
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* @param dev The Ecore_Drm_Device for which window is set
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* @param window The window to set
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*
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* @ingroup Ecore_Drm_Device_Group
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*
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* @since 1.10
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*/
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EAPI void
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ecore_drm_device_window_set(Ecore_Drm_Device *dev, unsigned int window)
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{
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/* check for valid device */
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if ((!dev) || (dev->drm.fd < 0)) return;
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dev->window = window;
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}
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/**
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* Get the name of the Ecore_Drm_Device
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*
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* This function will return the name of Ecore_Drm_Device
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*
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* @param dev The Ecore_Drm_Device to get name
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*
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* @return device name on success, NULL on failure
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*
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* @ingroup Ecore_Drm_Device_Group
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*
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* @since 1.10
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*/
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EAPI const char *
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ecore_drm_device_name_get(Ecore_Drm_Device *dev)
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{
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/* check for valid device */
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if ((!dev) || (dev->drm.fd < 0)) return NULL;
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return dev->drm.name;
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}
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EAPI void
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ecore_drm_device_pointer_xy_get(Ecore_Drm_Device *dev, int *x, int *y)
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{
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Ecore_Drm_Seat *seat;
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Ecore_Drm_Evdev *edev;
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Eina_List *l, *ll;
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if (x) *x = 0;
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if (y) *y = 0;
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/* check for valid device */
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if ((!dev) || (dev->drm.fd < 0)) return;
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EINA_LIST_FOREACH(dev->seats, l, seat)
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{
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EINA_LIST_FOREACH(seat->devices, ll, edev)
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{
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if (!libinput_device_has_capability(edev->device,
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LIBINPUT_DEVICE_CAP_POINTER))
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continue;
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if (x) *x = edev->mouse.dx;
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if (y) *y = edev->mouse.dy;
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return;
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}
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}
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}
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