Move weston_output_set_cursor into compositor-drm.c

First step towards moving hw cursor handling into compositor-drm.c a its
general overlay handling.

src/compositor-drm.c

@@ -529,12 +529,58 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
 	return 0;
 }
 
+static int
+drm_output_set_cursor(struct weston_output *output_base,
+		      struct weston_input_device *eid);
+
+static void
+weston_output_set_cursor(struct weston_output *output,
+			 struct weston_input_device *device,
+			 pixman_region32_t *overlap)
+{
+	pixman_region32_t cursor_region;
+	int prior_was_hardware;
+
+	if (device->sprite == NULL)
+		return;
+
+	pixman_region32_init(&cursor_region);
+	pixman_region32_intersect(&cursor_region,
+				  &device->sprite->transform.boundingbox,
+				  &output->region);
+
+	if (!pixman_region32_not_empty(&cursor_region)) {
+		drm_output_set_cursor(output, NULL);
+		goto out;
+	}
+
+	prior_was_hardware = device->hw_cursor;
+	if (pixman_region32_not_empty(overlap) ||
+	    drm_output_set_cursor(output, device) < 0) {
+		if (prior_was_hardware) {
+			weston_surface_damage(device->sprite);
+			drm_output_set_cursor(output, NULL);
+		}
+		device->hw_cursor = 0;
+	} else {
+		if (!prior_was_hardware)
+			weston_surface_damage_below(device->sprite);
+		pixman_region32_fini(&device->sprite->damage);
+		pixman_region32_init(&device->sprite->damage);
+		device->hw_cursor = 1;
+	}
+
+out:
+	pixman_region32_fini(&cursor_region);
+}
+
 static void
 drm_assign_planes(struct weston_output *output)
 {
 	struct weston_compositor *ec = output->compositor;
 	struct weston_surface *es;
 	pixman_region32_t overlap, surface_overlap;
+	struct weston_input_device *device;
 
 	/*
 	 * Find a surface for each sprite in the output using some heuristics:
@@ -561,7 +607,15 @@ drm_assign_planes(struct weston_output *output)
 		pixman_region32_intersect(&surface_overlap, &overlap,
 					  &es->transform.boundingbox);
 
-		if (!drm_output_prepare_overlay_surface(output, es,
+		device = (struct weston_input_device *) ec->input_device;
+		if (es == device->sprite) {
+			weston_output_set_cursor(output, device,
+						 &surface_overlap);
+
+			if (!device->hw_cursor)
+				pixman_region32_union(&overlap, &overlap,
+						      &es->transform.boundingbox);
+		} else if (!drm_output_prepare_overlay_surface(output, es,
 							       &surface_overlap)) {
 			pixman_region32_fini(&es->damage);
 			pixman_region32_init(&es->damage);
@@ -1002,7 +1056,6 @@ create_output_for_connector(struct drm_compositor *ec,
 
 	output->pending_fs_surf_fb_id = 0;
 	output->base.repaint = drm_output_repaint;
-	output->base.set_hardware_cursor = drm_output_set_cursor;
 	output->base.destroy = drm_output_destroy;
 	output->base.assign_planes = drm_assign_planes;
 

src/compositor-wayland.c

@@ -355,13 +355,6 @@ wayland_output_repaint(struct weston_output *output_base)
 	return;
 }
 
-static int
-wayland_output_set_cursor(struct weston_output *output_base,
-			  struct weston_input_device *input)
-{
-	return -1;
-}
-
 static void
 wayland_output_destroy(struct weston_output *output_base)
 {
@@ -440,7 +433,6 @@ wayland_compositor_create_output(struct wayland_compositor *c,
 	wl_shell_surface_set_toplevel(output->parent.shell_surface);
 
 	output->base.repaint = wayland_output_repaint;
-	output->base.set_hardware_cursor = wayland_output_set_cursor;
 	output->base.destroy = wayland_output_destroy;
 	output->base.assign_planes = NULL;
 

src/compositor-x11.c

@@ -221,13 +221,6 @@ finish_frame_handler(void *data)
 	return 1;
 }
 
-static int
-x11_output_set_cursor(struct weston_output *output_base,
-		      struct weston_input_device *input)
-{
-	return -1;
-}
-
 static void
 x11_output_destroy(struct weston_output *output_base)
 {
@@ -446,7 +439,6 @@ x11_compositor_create_output(struct x11_compositor *c, int x, int y,
 		wl_event_loop_add_timer(loop, finish_frame_handler, output);
 
 	output->base.repaint = x11_output_repaint;
-	output->base.set_hardware_cursor = x11_output_set_cursor;
 	output->base.destroy = x11_output_destroy;
 	output->base.assign_planes = NULL;
 

src/compositor.c

@@ -268,7 +268,7 @@ surface_to_global_float(struct weston_surface *surface,
 	}
 }
 
-static void
+WL_EXPORT void
 weston_surface_damage_below(struct weston_surface *surface)
 {
 	struct weston_surface *below;
@@ -902,48 +902,6 @@ fade_frame(struct weston_animation *animation,
 	}
 }
 
-static void
-weston_output_set_cursor(struct weston_output *output,
-			 struct wl_input_device *dev)
-{
-	struct weston_input_device *device =
-		(struct weston_input_device *) dev;
-	pixman_region32_t cursor_region;
-	int prior_was_hardware;
-
-	if (device->sprite == NULL)
-		return;
-
-	pixman_region32_init(&cursor_region);
-	pixman_region32_intersect(&cursor_region,
-				  &device->sprite->transform.boundingbox,
-				  &output->region);
-
-	if (!pixman_region32_not_empty(&cursor_region)) {
-		output->set_hardware_cursor(output, NULL);
-		goto out;
-	}
-
-	prior_was_hardware = device->hw_cursor;
-	if (device->sprite->overlapped ||
-	    output->set_hardware_cursor(output, device) < 0) {
-		if (prior_was_hardware) {
-			weston_surface_damage(device->sprite);
-			output->set_hardware_cursor(output, NULL);
-		}
-		device->hw_cursor = 0;
-	} else {
-		if (!prior_was_hardware)
-			weston_surface_damage_below(device->sprite);
-		pixman_region32_fini(&device->sprite->damage);
-		pixman_region32_init(&device->sprite->damage);
-		device->hw_cursor = 1;
-	}
-
-out:
-	pixman_region32_fini(&cursor_region);
-}
-
 struct weston_frame_callback {
 	struct wl_resource resource;
 	struct wl_list link;
@@ -995,8 +953,6 @@ weston_output_repaint(struct weston_output *output, int msecs)
 		 */
 		output->assign_planes(output);
 
-	weston_output_set_cursor(output, ec->input_device);
-
 	wl_list_for_each(es, &ec->surface_list, link) {
 		pixman_region32_subtract(&es->damage, &es->damage, &opaque);
 		pixman_region32_union(&new_damage, &new_damage, &es->damage);

src/compositor.h

@@ -84,8 +84,6 @@ struct weston_output {
 	struct wl_list mode_list;
 
 	void (*repaint)(struct weston_output *output);
-	int (*set_hardware_cursor)(struct weston_output *output,
-				   struct weston_input_device *input);
 	void (*destroy)(struct weston_output *output);
 	void (*assign_planes)(struct weston_output *output);
 };
@@ -418,6 +416,9 @@ weston_surface_assign_output(struct weston_surface *surface);
 void
 weston_surface_damage(struct weston_surface *surface);
 
+void
+weston_surface_damage_below(struct weston_surface *surface);
+
 void
 weston_buffer_post_release(struct wl_buffer *buffer);