Split out the code that renders the code into a MetaCursorRenderer
Right now, this is the same exact same mess it's always been, but it will be fixed up soon with backend-specific renderers.
This commit is contained in:
Jasper St. Pierre
@@ -43,7 +43,6 @@
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#include "meta-cursor-private.h"
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#include "meta-cursor-tracker-private.h"
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#include "screen-private.h"
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#include "meta-monitor-manager.h"
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#include "wayland/meta-wayland-private.h"
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@@ -56,10 +55,42 @@ enum {
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static guint signals[LAST_SIGNAL];
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static void meta_cursor_tracker_set_crtc_has_hw_cursor (MetaCursorTracker *tracker,
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MetaCRTC *crtc,
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gboolean has_hw_cursor);
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static void sync_cursor (MetaCursorTracker *tracker);
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static MetaCursorReference *
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get_displayed_cursor (MetaCursorTracker *tracker)
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{
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if (!tracker->is_showing)
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return NULL;
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if (tracker->grab_cursor)
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return tracker->grab_cursor;
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if (tracker->has_window_cursor)
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return tracker->window_cursor;
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return tracker->root_cursor;
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}
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static void
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update_displayed_cursor (MetaCursorTracker *tracker)
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{
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meta_cursor_renderer_set_cursor (tracker->renderer, tracker->displayed_cursor);
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}
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static void
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sync_cursor (MetaCursorTracker *tracker)
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{
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MetaCursorReference *displayed_cursor = get_displayed_cursor (tracker);
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if (tracker->displayed_cursor == displayed_cursor)
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return;
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g_clear_pointer (&tracker->displayed_cursor, meta_cursor_reference_unref);
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if (displayed_cursor)
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tracker->displayed_cursor = meta_cursor_reference_ref (displayed_cursor);
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update_displayed_cursor (tracker);
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g_signal_emit (tracker, signals[CURSOR_CHANGED], 0);
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}
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static void
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meta_cursor_tracker_init (MetaCursorTracker *self)
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@@ -82,11 +113,6 @@ meta_cursor_tracker_finalize (GObject *object)
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if (self->root_cursor)
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meta_cursor_reference_unref (self->root_cursor);
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if (self->pipeline)
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cogl_object_unref (self->pipeline);
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if (self->gbm)
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gbm_device_destroy (self->gbm);
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G_OBJECT_CLASS (meta_cursor_tracker_parent_class)->finalize (object);
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}
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@@ -105,63 +131,20 @@ meta_cursor_tracker_class_init (MetaCursorTrackerClass *klass)
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G_TYPE_NONE, 0);
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}
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static void
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on_monitors_changed (MetaMonitorManager *monitors,
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MetaCursorTracker *tracker)
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{
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MetaCRTC *crtcs;
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unsigned int i, n_crtcs;
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if (!tracker->has_hw_cursor)
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return;
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/* Go through the new list of monitors, find out where the cursor is */
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meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
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for (i = 0; i < n_crtcs; i++)
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{
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MetaRectangle *rect = &crtcs[i].rect;
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gboolean has;
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has = meta_rectangle_overlap (&tracker->current_rect, rect);
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/* Need to do it unconditionally here, our tracking is
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wrong because we reloaded the CRTCs */
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meta_cursor_tracker_set_crtc_has_hw_cursor (tracker, &crtcs[i], has);
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}
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}
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static MetaCursorTracker *
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make_wayland_cursor_tracker (MetaScreen *screen)
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{
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MetaWaylandCompositor *compositor;
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CoglContext *ctx;
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MetaMonitorManager *monitors;
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MetaCursorTracker *self;
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self = g_object_new (META_TYPE_CURSOR_TRACKER, NULL);
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self->screen = screen;
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ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
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self->pipeline = cogl_pipeline_new (ctx);
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self->renderer = meta_cursor_renderer_new (screen);
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compositor = meta_wayland_compositor_get_default ();
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compositor->seat->pointer.cursor_tracker = self;
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meta_cursor_tracker_update_position (self, 0, 0);
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#if defined(CLUTTER_WINDOWING_EGL)
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if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
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{
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CoglRenderer *cogl_renderer = cogl_display_get_renderer (cogl_context_get_display (ctx));
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self->drm_fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
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self->gbm = gbm_create_device (self->drm_fd);
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}
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#endif
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monitors = meta_monitor_manager_get ();
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g_signal_connect_object (monitors, "monitors-changed",
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G_CALLBACK (on_monitors_changed), self, 0);
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return self;
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}
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@@ -169,7 +152,9 @@ static MetaCursorTracker *
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make_x11_cursor_tracker (MetaScreen *screen)
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{
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MetaCursorTracker *self = g_object_new (META_TYPE_CURSOR_TRACKER, NULL);
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self->screen = screen;
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self->renderer = meta_cursor_renderer_new (screen);
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XFixesSelectCursorInput (screen->display->xdisplay,
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screen->xroot,
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@@ -398,184 +383,6 @@ meta_cursor_tracker_set_root_cursor (MetaCursorTracker *tracker,
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sync_cursor (tracker);
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}
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static gboolean
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should_have_hw_cursor (MetaCursorTracker *tracker)
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{
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if (tracker->displayed_cursor)
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return (meta_cursor_reference_get_gbm_bo (tracker->displayed_cursor, NULL, NULL) != NULL);
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else
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return FALSE;
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}
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static void
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update_hw_cursor (MetaCursorTracker *tracker)
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{
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MetaMonitorManager *monitors;
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MetaCRTC *crtcs;
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unsigned int i, n_crtcs;
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gboolean enabled;
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enabled = should_have_hw_cursor (tracker);
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tracker->has_hw_cursor = enabled;
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monitors = meta_monitor_manager_get ();
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meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
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for (i = 0; i < n_crtcs; i++)
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{
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MetaRectangle *rect = &crtcs[i].rect;
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gboolean has;
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has = enabled && meta_rectangle_overlap (&tracker->current_rect, rect);
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if (has || crtcs[i].has_hw_cursor)
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meta_cursor_tracker_set_crtc_has_hw_cursor (tracker, &crtcs[i], has);
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}
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}
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static void
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move_hw_cursor (MetaCursorTracker *tracker)
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{
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MetaMonitorManager *monitors;
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MetaCRTC *crtcs;
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unsigned int i, n_crtcs;
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monitors = meta_monitor_manager_get ();
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meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
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g_assert (tracker->has_hw_cursor);
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for (i = 0; i < n_crtcs; i++)
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{
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MetaRectangle *rect = &crtcs[i].rect;
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gboolean has;
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has = meta_rectangle_overlap (&tracker->current_rect, rect);
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if (has != crtcs[i].has_hw_cursor)
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meta_cursor_tracker_set_crtc_has_hw_cursor (tracker, &crtcs[i], has);
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if (has)
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drmModeMoveCursor (tracker->drm_fd, crtcs[i].crtc_id,
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tracker->current_rect.x - rect->x,
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tracker->current_rect.y - rect->y);
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}
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}
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static MetaCursorReference *
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get_displayed_cursor (MetaCursorTracker *tracker)
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{
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if (!tracker->is_showing)
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return NULL;
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if (tracker->grab_cursor)
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return tracker->grab_cursor;
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if (tracker->has_window_cursor)
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return tracker->window_cursor;
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return tracker->root_cursor;
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}
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static void
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update_displayed_cursor (MetaCursorTracker *tracker)
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{
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if (meta_is_wayland_compositor ())
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{
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if (tracker->displayed_cursor)
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{
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CoglTexture *texture = meta_cursor_reference_get_cogl_texture (tracker->displayed_cursor, NULL, NULL);
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cogl_pipeline_set_layer_texture (tracker->pipeline, 0, texture);
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}
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else
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cogl_pipeline_set_layer_texture (tracker->pipeline, 0, NULL);
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update_hw_cursor (tracker);
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}
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}
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static void
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sync_displayed_cursor (MetaCursorTracker *tracker)
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{
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MetaCursorReference *displayed_cursor = get_displayed_cursor (tracker);
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if (tracker->displayed_cursor == displayed_cursor)
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return;
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g_clear_pointer (&tracker->displayed_cursor, meta_cursor_reference_unref);
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if (displayed_cursor)
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tracker->displayed_cursor = meta_cursor_reference_ref (displayed_cursor);
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update_displayed_cursor (tracker);
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g_signal_emit (tracker, signals[CURSOR_CHANGED], 0);
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}
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static void
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meta_cursor_tracker_queue_redraw (MetaCursorTracker *tracker)
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{
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MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
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ClutterActor *stage = compositor->stage;
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cairo_rectangle_int_t clip;
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g_assert (meta_is_wayland_compositor ());
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/* Clear the location the cursor was at before, if we need to. */
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if (tracker->previous_is_valid)
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{
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clip.x = tracker->previous_rect.x;
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clip.y = tracker->previous_rect.y;
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clip.width = tracker->previous_rect.width;
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clip.height = tracker->previous_rect.height;
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clutter_actor_queue_redraw_with_clip (stage, &clip);
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tracker->previous_is_valid = FALSE;
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}
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if (tracker->has_hw_cursor || !tracker->displayed_cursor)
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return;
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clip.x = tracker->current_rect.x;
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clip.y = tracker->current_rect.y;
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clip.width = tracker->current_rect.width;
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clip.height = tracker->current_rect.height;
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clutter_actor_queue_redraw_with_clip (stage, &clip);
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}
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static void
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sync_cursor (MetaCursorTracker *tracker)
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{
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MetaCursorReference *displayed_cursor;
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sync_displayed_cursor (tracker);
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displayed_cursor = tracker->displayed_cursor;
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if (displayed_cursor)
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{
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CoglTexture *texture;
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int hot_x, hot_y;
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texture = meta_cursor_reference_get_cogl_texture (displayed_cursor, &hot_x, &hot_y);
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tracker->current_rect.x = tracker->current_x - hot_x;
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tracker->current_rect.y = tracker->current_y - hot_y;
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tracker->current_rect.width = cogl_texture_get_width (COGL_TEXTURE (texture));
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tracker->current_rect.height = cogl_texture_get_height (COGL_TEXTURE (texture));
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}
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else
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{
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tracker->current_rect.x = 0;
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tracker->current_rect.y = 0;
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tracker->current_rect.width = 0;
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tracker->current_rect.height = 0;
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}
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if (meta_is_wayland_compositor ())
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{
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if (tracker->has_hw_cursor)
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move_hw_cursor (tracker);
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else
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meta_cursor_tracker_queue_redraw (tracker);
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}
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}
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void
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meta_cursor_tracker_update_position (MetaCursorTracker *tracker,
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int new_x,
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@@ -583,61 +390,7 @@ meta_cursor_tracker_update_position (MetaCursorTracker *tracker,
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{
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g_assert (meta_is_wayland_compositor ());
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tracker->current_x = new_x;
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tracker->current_y = new_y;
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sync_cursor (tracker);
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}
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void
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meta_cursor_tracker_paint (MetaCursorTracker *tracker)
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{
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g_assert (meta_is_wayland_compositor ());
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if (tracker->has_hw_cursor || !tracker->displayed_cursor)
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return;
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cogl_framebuffer_draw_rectangle (cogl_get_draw_framebuffer (),
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tracker->pipeline,
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tracker->current_rect.x,
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tracker->current_rect.y,
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tracker->current_rect.x +
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tracker->current_rect.width,
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tracker->current_rect.y +
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tracker->current_rect.height);
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tracker->previous_rect = tracker->current_rect;
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tracker->previous_is_valid = TRUE;
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}
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static void
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meta_cursor_tracker_set_crtc_has_hw_cursor (MetaCursorTracker *tracker,
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MetaCRTC *crtc,
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gboolean has)
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{
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if (has)
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{
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MetaCursorReference *displayed_cursor = tracker->displayed_cursor;
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struct gbm_bo *bo;
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union gbm_bo_handle handle;
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int width, height;
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int hot_x, hot_y;
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bo = meta_cursor_reference_get_gbm_bo (displayed_cursor, &hot_x, &hot_y);
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handle = gbm_bo_get_handle (bo);
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width = gbm_bo_get_width (bo);
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height = gbm_bo_get_height (bo);
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drmModeSetCursor2 (tracker->drm_fd, crtc->crtc_id, handle.u32,
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width, height, hot_x, hot_y);
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crtc->has_hw_cursor = TRUE;
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}
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else
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{
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drmModeSetCursor2 (tracker->drm_fd, crtc->crtc_id, 0, 0, 0, 0, 0);
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crtc->has_hw_cursor = FALSE;
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}
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meta_cursor_renderer_set_position (tracker->renderer, new_x, new_y);
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}
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static void
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@@ -725,12 +478,11 @@ meta_cursor_tracker_force_update (MetaCursorTracker *tracker)
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{
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g_assert (meta_is_wayland_compositor ());
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update_hw_cursor (tracker);
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sync_cursor (tracker);
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meta_cursor_renderer_force_update (tracker->renderer);
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}
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struct gbm_device *
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meta_cursor_tracker_get_gbm_device (MetaCursorTracker *tracker)
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{
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return tracker->gbm;
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return meta_cursor_renderer_get_gbm_device (tracker->renderer);
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}
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Reference in New Issue
Block a user