5c7e2bfe22
Page flipping shouldn't necessarily be an actively requested action, but happen implicitly depending on the given state. Thus, change the "page flip" update into adding listeners for page flip feedback instead. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1488>
246 lines
6.8 KiB
C
246 lines
6.8 KiB
C
/*
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* Copyright (C) 2019 Red Hat
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "config.h"
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#include "backends/native/meta-kms-page-flip-private.h"
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#include "backends/native/meta-kms-impl.h"
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#include "backends/native/meta-kms-private.h"
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#include "backends/native/meta-kms-update.h"
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typedef struct _MetaKmsPageFlipClosure
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{
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const MetaKmsPageFlipListenerVtable *vtable;
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gpointer user_data;
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} MetaKmsPageFlipClosure;
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struct _MetaKmsPageFlipData
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{
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int ref_count;
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MetaKmsImplDevice *impl_device;
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MetaKmsCrtc *crtc;
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GList *closures;
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unsigned int sequence;
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unsigned int sec;
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unsigned int usec;
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GError *error;
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};
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MetaKmsPageFlipData *
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meta_kms_page_flip_data_new (MetaKmsImplDevice *impl_device,
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MetaKmsCrtc *crtc)
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{
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MetaKmsPageFlipData *page_flip_data;
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page_flip_data = g_new0 (MetaKmsPageFlipData , 1);
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*page_flip_data = (MetaKmsPageFlipData) {
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.ref_count = 1,
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.impl_device = impl_device,
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.crtc = crtc,
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};
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return page_flip_data;
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}
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MetaKmsPageFlipData *
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meta_kms_page_flip_data_ref (MetaKmsPageFlipData *page_flip_data)
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{
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page_flip_data->ref_count++;
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return page_flip_data;
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}
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void
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meta_kms_page_flip_data_unref (MetaKmsPageFlipData *page_flip_data)
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{
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page_flip_data->ref_count--;
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if (page_flip_data->ref_count == 0)
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{
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g_list_free_full (page_flip_data->closures, g_free);
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g_clear_error (&page_flip_data->error);
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g_free (page_flip_data);
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}
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}
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void
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meta_kms_page_flip_data_add_listener (MetaKmsPageFlipData *page_flip_data,
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const MetaKmsPageFlipListenerVtable *vtable,
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gpointer user_data)
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{
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MetaKmsPageFlipClosure *closure;
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closure = g_new0 (MetaKmsPageFlipClosure, 1);
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*closure = (MetaKmsPageFlipClosure) {
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.vtable = vtable,
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.user_data = user_data,
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};
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page_flip_data->closures = g_list_append (page_flip_data->closures, closure);
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}
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MetaKmsImplDevice *
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meta_kms_page_flip_data_get_impl_device (MetaKmsPageFlipData *page_flip_data)
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{
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return page_flip_data->impl_device;
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}
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MetaKmsCrtc *
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meta_kms_page_flip_data_get_crtc (MetaKmsPageFlipData *page_flip_data)
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{
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return page_flip_data->crtc;
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}
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static void
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meta_kms_page_flip_data_flipped (MetaKms *kms,
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gpointer user_data)
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{
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MetaKmsPageFlipData *page_flip_data = user_data;
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GList *l;
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meta_assert_not_in_kms_impl (kms);
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for (l = page_flip_data->closures; l; l = l->next)
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{
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MetaKmsPageFlipClosure *closure = l->data;
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closure->vtable->flipped (page_flip_data->crtc,
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page_flip_data->sequence,
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page_flip_data->sec,
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page_flip_data->usec,
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closure->user_data);
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}
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}
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static MetaKms *
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meta_kms_from_impl_device (MetaKmsImplDevice *impl_device)
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{
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MetaKmsDevice *device = meta_kms_impl_device_get_device (impl_device);
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return meta_kms_device_get_kms (device);
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}
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void
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meta_kms_page_flip_data_set_timings_in_impl (MetaKmsPageFlipData *page_flip_data,
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unsigned int sequence,
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unsigned int sec,
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unsigned int usec)
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{
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MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
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meta_assert_in_kms_impl (kms);
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page_flip_data->sequence = sequence;
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page_flip_data->sec = sec;
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page_flip_data->usec = usec;
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}
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void
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meta_kms_page_flip_data_flipped_in_impl (MetaKmsPageFlipData *page_flip_data)
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{
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MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
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meta_assert_in_kms_impl (kms);
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meta_kms_queue_callback (kms,
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meta_kms_page_flip_data_flipped,
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meta_kms_page_flip_data_ref (page_flip_data),
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(GDestroyNotify) meta_kms_page_flip_data_unref);
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}
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static void
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meta_kms_page_flip_data_mode_set_fallback (MetaKms *kms,
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gpointer user_data)
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{
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MetaKmsPageFlipData *page_flip_data = user_data;
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GList *l;
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meta_assert_not_in_kms_impl (kms);
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for (l = page_flip_data->closures; l; l = l->next)
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{
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MetaKmsPageFlipClosure *closure = l->data;
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closure->vtable->mode_set_fallback (page_flip_data->crtc,
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closure->user_data);
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}
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}
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void
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meta_kms_page_flip_data_mode_set_fallback_in_impl (MetaKmsPageFlipData *page_flip_data)
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{
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MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
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meta_assert_in_kms_impl (kms);
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meta_kms_queue_callback (kms,
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meta_kms_page_flip_data_mode_set_fallback,
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meta_kms_page_flip_data_ref (page_flip_data),
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(GDestroyNotify) meta_kms_page_flip_data_unref);
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}
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static void
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meta_kms_page_flip_data_discard (MetaKms *kms,
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gpointer user_data)
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{
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MetaKmsPageFlipData *page_flip_data = user_data;
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GList *l;
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meta_assert_not_in_kms_impl (kms);
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for (l = page_flip_data->closures; l; l = l->next)
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{
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MetaKmsPageFlipClosure *closure = l->data;
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closure->vtable->discarded (page_flip_data->crtc,
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closure->user_data,
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page_flip_data->error);
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}
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}
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void
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meta_kms_page_flip_data_take_error (MetaKmsPageFlipData *page_flip_data,
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GError *error)
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{
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g_assert (!page_flip_data->error);
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page_flip_data->error = error;
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}
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void
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meta_kms_page_flip_data_discard_in_impl (MetaKmsPageFlipData *page_flip_data,
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const GError *error)
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{
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MetaKms *kms = meta_kms_from_impl_device (page_flip_data->impl_device);
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meta_assert_in_kms_impl (kms);
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if (error)
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meta_kms_page_flip_data_take_error (page_flip_data, g_error_copy (error));
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meta_kms_queue_callback (kms,
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meta_kms_page_flip_data_discard,
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meta_kms_page_flip_data_ref (page_flip_data),
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(GDestroyNotify) meta_kms_page_flip_data_unref);
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}
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