kms/update: Add API to merge two updates
This is intended to be used only for plane assignment, and CRTC like changes, so that one can e.g. change a cursor plane on a pending update that changes the primary plane, before it has been committed to KMS. The kms-updates test overrides the get-state function MetaKmsCrtc. This is needd to not have the update mechanism not clamp the gamma size to 0, as vkms reports the gamma length 0. By pretending it's 3, we can test a simple and small gamma lut is merged correctly when merging updates. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2854>
This commit is contained in:
Jonas Ådahl
Marge Bot
parent
3e3611d171
commit
9dcb28ffd1
@ -94,6 +94,7 @@ void meta_crtc_set_gamma_lut (MetaCrtc *crtc,
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META_EXPORT_TEST
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void meta_gamma_lut_free (MetaGammaLut *lut);
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META_EXPORT_TEST
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MetaGammaLut * meta_gamma_lut_new (int size,
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const uint16_t *red,
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const uint16_t *green,
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@ -181,6 +181,10 @@ void meta_kms_update_drop_plane_assignment (MetaKmsUpdate *update,
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GList * meta_kms_update_take_result_listeners (MetaKmsUpdate *update);
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META_EXPORT_TEST
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void meta_kms_update_merge_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update);
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void meta_kms_result_listener_notify (MetaKmsResultListener *listener,
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const MetaKmsFeedback *feedback);
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@ -671,6 +671,154 @@ meta_kms_custom_page_flip_free (MetaKmsCustomPageFlip *custom_page_flip)
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g_free (custom_page_flip);
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}
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static GList *
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find_plane_assignment_link_for (MetaKmsUpdate *update,
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MetaKmsPlane *plane)
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{
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GList *l;
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for (l = update->plane_assignments; l; l = l->next)
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{
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MetaKmsPlaneAssignment *plane_assignment = l->data;
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if (plane_assignment->plane == plane)
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return l;
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}
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return NULL;
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}
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static void
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merge_plane_assignments_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update)
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{
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while (other_update->plane_assignments)
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{
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GList *l = other_update->plane_assignments;
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MetaKmsPlaneAssignment *other_plane_assignment = l->data;
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MetaKmsPlane *plane = other_plane_assignment->plane;
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GList *el;
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other_update->plane_assignments =
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g_list_remove_link (other_update->plane_assignments, l);
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el = find_plane_assignment_link_for (update, plane);
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if (el)
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{
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meta_kms_plane_assignment_free (el->data);
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update->plane_assignments =
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g_list_insert_before_link (update->plane_assignments, el, l);
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update->plane_assignments =
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g_list_delete_link (update->plane_assignments, el);
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}
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else
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{
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update->plane_assignments =
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g_list_insert_before_link (update->plane_assignments,
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update->plane_assignments,
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l);
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}
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other_plane_assignment->update = update;
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}
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}
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static GList *
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find_color_update_link_for (MetaKmsUpdate *update,
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MetaKmsCrtc *crtc)
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{
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GList *l;
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for (l = update->crtc_color_updates; l; l = l->next)
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{
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MetaKmsCrtcColorUpdate *color_update = l->data;
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if (color_update->crtc == crtc)
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return l;
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}
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return NULL;
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}
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static void
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merge_crtc_color_updates_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update)
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{
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while (other_update->crtc_color_updates)
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{
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GList *l = other_update->crtc_color_updates;
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MetaKmsCrtcColorUpdate *other_crtc_color_update = l->data;
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MetaKmsCrtc *crtc = other_crtc_color_update->crtc;
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GList *el;
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other_update->crtc_color_updates =
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g_list_remove_link (other_update->crtc_color_updates, l);
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el = find_color_update_link_for (update, crtc);
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if (el)
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{
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meta_kms_crtc_color_updates_free (el->data);
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update->crtc_color_updates =
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g_list_insert_before_link (update->crtc_color_updates, el, l);
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update->crtc_color_updates =
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g_list_delete_link (update->crtc_color_updates, el);
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}
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else
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{
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update->crtc_color_updates =
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g_list_insert_before_link (update->crtc_color_updates,
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update->crtc_color_updates,
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l);
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}
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}
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}
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static void
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merge_custom_page_flip_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update)
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{
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g_warn_if_fail ((!update->custom_page_flip &&
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!other_update->custom_page_flip) ||
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((!!update->custom_page_flip) ^
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(!!other_update->custom_page_flip)));
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g_clear_pointer (&update->custom_page_flip, meta_kms_custom_page_flip_free);
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update->custom_page_flip = g_steal_pointer (&other_update->custom_page_flip);
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}
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static void
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merge_page_flip_listeners_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update)
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{
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update->page_flip_listeners =
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g_list_concat (update->page_flip_listeners,
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g_steal_pointer (&other_update->page_flip_listeners));
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}
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static void
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merge_result_listeners_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update)
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{
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update->result_listeners =
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g_list_concat (update->result_listeners,
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g_steal_pointer (&other_update->result_listeners));
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}
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void
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meta_kms_update_merge_from (MetaKmsUpdate *update,
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MetaKmsUpdate *other_update)
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{
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g_return_if_fail (update->device == other_update->device);
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g_return_if_fail (!update->mode_sets && !other_update->mode_sets);
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g_return_if_fail (!update->connector_updates &&
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!other_update->connector_updates);
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merge_plane_assignments_from (update, other_update);
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merge_crtc_color_updates_from (update, other_update);
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merge_custom_page_flip_from (update, other_update);
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merge_page_flip_listeners_from (update, other_update);
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merge_result_listeners_from (update, other_update);
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}
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MetaKmsUpdate *
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meta_kms_update_new (MetaKmsDevice *device)
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{
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@ -121,6 +121,7 @@ void meta_kms_update_mode_set (MetaKmsUpdate *update,
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GList *connectors,
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MetaKmsMode *mode);
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META_EXPORT_TEST
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void meta_kms_update_set_crtc_gamma (MetaKmsUpdate *update,
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MetaKmsCrtc *crtc,
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const MetaGammaLut *gamma);
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@ -20,6 +20,8 @@
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#include "config.h"
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#include <dlfcn.h>
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#include "backends/native/meta-kms-connector.h"
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#include "backends/native/meta-kms-crtc.h"
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#include "backends/native/meta-kms-device.h"
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@ -31,6 +33,27 @@
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static MetaContext *test_context;
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const MetaKmsCrtcState *
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meta_kms_crtc_get_current_state (MetaKmsCrtc *crtc)
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{
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static MetaKmsCrtcState mock_state;
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static const MetaKmsCrtcState *
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(* real_get_current_state) (MetaKmsCrtc *crtc) = NULL;
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const MetaKmsCrtcState *state;
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if (!real_get_current_state)
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real_get_current_state = dlsym (RTLD_NEXT, __func__);
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state = real_get_current_state (crtc);
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if (!state)
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return NULL;
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mock_state = *state;
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mock_state.gamma.size = 3;
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return &mock_state;
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}
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static void
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meta_test_kms_update_sanity (void)
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{
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@ -368,6 +391,170 @@ meta_test_kms_update_page_flip (void)
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g_main_loop_unref (data.loop);
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}
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static void
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meta_test_kms_update_merge (void)
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{
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MetaKmsDevice *device;
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MetaKmsUpdate *update1;
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MetaKmsCrtc *crtc;
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MetaKmsConnector *connector;
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MetaKmsPlane *primary_plane;
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MetaKmsPlane *cursor_plane;
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MetaKmsMode *mode;
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int mode_width, mode_height;
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g_autoptr (MetaDrmBuffer) primary_buffer1 = NULL;
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g_autoptr (MetaDrmBuffer) cursor_buffer1 = NULL;
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MetaKmsPlaneAssignment *cursor_plane_assignment;
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MetaKmsUpdate *update2;
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g_autoptr (MetaGammaLut) lut = NULL;
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g_autoptr (MetaDrmBuffer) cursor_buffer2 = NULL;
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GList *plane_assignments;
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MetaKmsPlaneAssignment *plane_assignment;
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GList *crtc_color_updates;
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MetaKmsCrtcColorUpdate *crtc_color_update;
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MetaGammaLut *crtc_gamma;
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device = meta_get_test_kms_device (test_context);
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crtc = meta_get_test_kms_crtc (device);
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connector = meta_get_test_kms_connector (device);
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primary_plane = meta_kms_device_get_primary_plane_for (device, crtc);
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cursor_plane = meta_kms_device_get_cursor_plane_for (device, crtc);
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mode = meta_kms_connector_get_preferred_mode (connector);
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/*
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* Create an update1 with buffer 1 on the primary plane, and cursor buffer 1
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* on the cursor plane at at (24, 48)
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*/
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update1 = meta_kms_update_new (device);
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mode_width = meta_kms_mode_get_width (mode);
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mode_height = meta_kms_mode_get_height (mode);
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primary_buffer1 = meta_create_test_mode_dumb_buffer (device, mode);
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meta_kms_update_assign_plane (update1,
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crtc,
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primary_plane,
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primary_buffer1,
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meta_get_mode_fixed_rect_16 (mode),
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meta_get_mode_rect (mode),
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META_KMS_ASSIGN_PLANE_FLAG_NONE);
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cursor_buffer1 = meta_create_test_dumb_buffer (device, 64, 64);
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cursor_plane_assignment =
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meta_kms_update_assign_plane (update1,
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crtc,
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cursor_plane,
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cursor_buffer1,
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META_FIXED_16_RECTANGLE_INIT_INT (0, 0,
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64, 64),
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META_RECTANGLE_INIT (24, 48, 64, 64),
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META_KMS_ASSIGN_PLANE_FLAG_NONE);
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meta_kms_plane_assignment_set_cursor_hotspot (cursor_plane_assignment,
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10, 11);
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/*
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* Create an update2 with with cursor buffer 2
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* on the cursor plane at at (32, 56), and a new CRTC gamma.
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*/
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update2 = meta_kms_update_new (device);
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lut = meta_gamma_lut_new (3,
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(uint16_t[]) { 1, 2, 3 },
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(uint16_t[]) { 4, 5, 6 },
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(uint16_t[]) { 7, 8, 9 });
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meta_kms_update_set_crtc_gamma (update2, crtc, lut);
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cursor_buffer2 = meta_create_test_dumb_buffer (device, 64, 64);
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cursor_plane_assignment =
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meta_kms_update_assign_plane (update2,
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crtc,
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cursor_plane,
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cursor_buffer2,
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META_FIXED_16_RECTANGLE_INIT_INT (0, 0,
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64, 64),
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META_RECTANGLE_INIT (32, 56, 64, 64),
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META_KMS_ASSIGN_PLANE_FLAG_NONE);
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meta_kms_plane_assignment_set_cursor_hotspot (cursor_plane_assignment,
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9, 7);
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/*
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* Merge and check result.
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*/
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meta_kms_update_merge_from (update1, update2);
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meta_kms_update_free (update2);
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plane_assignments = meta_kms_update_get_plane_assignments (update1);
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g_assert_cmpuint (g_list_length (plane_assignments), ==, 2);
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plane_assignment = meta_kms_update_get_primary_plane_assignment (update1,
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crtc);
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g_assert_nonnull (plane_assignment);
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g_assert (plane_assignment->update == update1);
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g_assert (plane_assignment->crtc == crtc);
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g_assert (plane_assignment->plane == primary_plane);
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g_assert (plane_assignment->buffer == primary_buffer1);
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g_assert_false (plane_assignment->cursor_hotspot.is_valid);
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g_assert_cmpint (plane_assignment->src_rect.x, ==, 0);
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g_assert_cmpint (plane_assignment->src_rect.y, ==, 0);
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g_assert_cmpint (plane_assignment->src_rect.width,
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==,
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meta_fixed_16_from_int (mode_width));
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g_assert_cmpint (plane_assignment->src_rect.height,
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==,
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meta_fixed_16_from_int (mode_height));
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g_assert_cmpint (plane_assignment->dst_rect.x, ==, 0);
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g_assert_cmpint (plane_assignment->dst_rect.y, ==, 0);
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g_assert_cmpint (plane_assignment->dst_rect.width, ==, mode_width);
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g_assert_cmpint (plane_assignment->dst_rect.height, ==, mode_height);
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plane_assignment = meta_kms_update_get_cursor_plane_assignment (update1,
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crtc);
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g_assert_nonnull (plane_assignment);
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g_assert (plane_assignment->update == update1);
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g_assert (plane_assignment->crtc == crtc);
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g_assert (plane_assignment->plane == cursor_plane);
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g_assert (plane_assignment->buffer == META_DRM_BUFFER (cursor_buffer2));
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g_assert_true (plane_assignment->cursor_hotspot.is_valid);
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g_assert_cmpint (plane_assignment->cursor_hotspot.x, ==, 9);
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g_assert_cmpint (plane_assignment->cursor_hotspot.y, ==, 7);
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g_assert_cmpint (plane_assignment->src_rect.x, ==, 0);
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g_assert_cmpint (plane_assignment->src_rect.y, ==, 0);
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g_assert_cmpint (plane_assignment->src_rect.width,
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==,
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meta_fixed_16_from_int (64));
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g_assert_cmpint (plane_assignment->src_rect.height,
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==,
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meta_fixed_16_from_int (64));
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g_assert_cmpint (plane_assignment->dst_rect.x, ==, 32);
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g_assert_cmpint (plane_assignment->dst_rect.y, ==, 56);
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g_assert_cmpint (plane_assignment->dst_rect.width, ==, 64);
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g_assert_cmpint (plane_assignment->dst_rect.height, ==, 64);
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crtc_color_updates = meta_kms_update_get_crtc_color_updates (update1);
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g_assert_cmpuint (g_list_length (crtc_color_updates), ==, 1);
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crtc_color_update = crtc_color_updates->data;
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crtc_gamma = crtc_color_update->gamma.state;
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g_assert_nonnull (crtc_gamma);
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g_assert_nonnull (crtc_gamma);
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g_assert_cmpint (crtc_gamma->size, ==, 3);
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g_assert_cmpuint (crtc_gamma->red[0], ==, 1);
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g_assert_cmpuint (crtc_gamma->red[1], ==, 2);
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g_assert_cmpuint (crtc_gamma->red[2], ==, 3);
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g_assert_cmpuint (crtc_gamma->green[0], ==, 4);
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g_assert_cmpuint (crtc_gamma->green[1], ==, 5);
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g_assert_cmpuint (crtc_gamma->green[2], ==, 6);
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g_assert_cmpuint (crtc_gamma->blue[0], ==, 7);
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g_assert_cmpuint (crtc_gamma->blue[1], ==, 8);
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g_assert_cmpuint (crtc_gamma->blue[2], ==, 9);
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meta_kms_update_free (update1);
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}
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static void
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init_tests (void)
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{
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@ -381,6 +568,8 @@ init_tests (void)
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meta_test_kms_update_mode_sets);
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g_test_add_func ("/backends/native/kms/update/page-flip",
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meta_test_kms_update_page_flip);
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g_test_add_func ("/backends/native/kms/update/merge",
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meta_test_kms_update_merge);
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}
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int
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