From e4c40a4734b8bc3acdfc95e8efe002f36f65cd9e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Kristian=20H=C3=B8gsberg?= <krh@bitplanet.net>
Date: Fri, 6 May 2011 14:04:21 -0400
Subject: [PATCH] compositor: Disable hw cursor if we're texturing the cursor

---
 compositor/compositor-drm.c     |  8 ++++++--
 compositor/compositor-wayland.c |  2 +-
 compositor/compositor-x11.c     |  2 +-
 compositor/compositor.c         | 20 +++++++++++---------
 compositor/compositor.h         |  3 ++-
 5 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/compositor/compositor-drm.c b/compositor/compositor-drm.c
index eb452ab..f7ce0bf 100644
--- a/compositor/compositor-drm.c
+++ b/compositor/compositor-drm.c
@@ -172,16 +172,20 @@ drm_output_prepare_scanout_surface(struct wlsc_output *output_base,
 
 static int
 drm_output_set_cursor(struct wlsc_output *output_base,
-		      struct wl_input_device *input)
+		      struct wlsc_input_device *eid)
 {
 	struct drm_output *output = (struct drm_output *) output_base;
 	struct drm_compositor *c =
 		(struct drm_compositor *) output->base.compositor;
-	struct wlsc_input_device *eid = (struct wlsc_input_device *) input;
 	EGLint handle, stride;
 	int ret = -1;
 	pixman_region32_t cursor_region;
 
+	if (eid == NULL) {
+		drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
+		return 0;
+	}
+
 	pixman_region32_init_rect(&cursor_region,
 				  eid->sprite->x, eid->sprite->y,
 				  eid->sprite->width, eid->sprite->height);
diff --git a/compositor/compositor-wayland.c b/compositor/compositor-wayland.c
index 37a9d66..b99edf0 100644
--- a/compositor/compositor-wayland.c
+++ b/compositor/compositor-wayland.c
@@ -204,7 +204,7 @@ wayland_output_prepare_scanout_surface(struct wlsc_output *output_base,
 
 static int
 wayland_output_set_cursor(struct wlsc_output *output_base,
-			  struct wl_input_device *input)
+			  struct wlsc_input_device *input)
 {
 	return -1;
 }
diff --git a/compositor/compositor-x11.c b/compositor/compositor-x11.c
index 0c4505c..d7bebed 100644
--- a/compositor/compositor-x11.c
+++ b/compositor/compositor-x11.c
@@ -200,7 +200,7 @@ x11_output_prepare_scanout_surface(struct wlsc_output *output_base,
 
 static int
 x11_output_set_cursor(struct wlsc_output *output_base,
-		      struct wl_input_device *input)
+		      struct wlsc_input_device *input)
 {
 	return -1;
 }
diff --git a/compositor/compositor.c b/compositor/compositor.c
index 22bb9a8..7a950df 100644
--- a/compositor/compositor.c
+++ b/compositor/compositor.c
@@ -671,9 +671,8 @@ wlsc_output_repaint(struct wlsc_output *output)
 {
 	struct wlsc_compositor *ec = output->compositor;
 	struct wlsc_surface *es;
-	struct wlsc_input_device *eid;
+	struct wlsc_input_device *eid, *hw_cursor;
 	pixman_region32_t new_damage, total_damage;
-	int using_hardware_cursor = 1;
 
 	output->prepare_render(output);
 
@@ -696,15 +695,18 @@ wlsc_output_repaint(struct wlsc_output *output)
 			      &output->previous_damage_region);
 	pixman_region32_copy(&output->previous_damage_region, &new_damage);
 
-	if (ec->focus)
-		if (output->set_hardware_cursor(output, ec->input_device) < 0)
-			using_hardware_cursor = 0;
-	if (ec->fade.spring.current > 0.001)
-		using_hardware_cursor = 0;
+	hw_cursor = NULL;
+	if (ec->focus && ec->fade.spring.current < 0.001) {
+		hw_cursor = (struct wlsc_input_device *) ec->input_device;
+		if (output->set_hardware_cursor(output, hw_cursor) < 0)
+			hw_cursor = NULL;
+	} else {
+		output->set_hardware_cursor(output, NULL);
+	}
 
 	es = container_of(ec->surface_list.next, struct wlsc_surface, link);
 
-	if (es->visual == &ec->compositor.rgb_visual && using_hardware_cursor) {
+	if (es->visual == &ec->compositor.rgb_visual && hw_cursor) {
 		if (output->prepare_scanout_surface(output, es) == 0) {
 			/* We're drawing nothing now,
 			 * draw the damaged regions later. */
@@ -742,7 +744,7 @@ wlsc_output_repaint(struct wlsc_output *output)
 	if (ec->focus)
 		wl_list_for_each(eid, &ec->input_device_list, link) {
 			if (&eid->input_device != ec->input_device ||
-			    !using_hardware_cursor)
+			    eid != hw_cursor)
 				wlsc_surface_draw(eid->sprite, output,
 						  &total_damage);
 		}
diff --git a/compositor/compositor.h b/compositor/compositor.h
index 93de793..3c5459d 100644
--- a/compositor/compositor.h
+++ b/compositor/compositor.h
@@ -51,6 +51,7 @@ struct wlsc_transform {
 };
 
 struct wlsc_surface;
+struct wlsc_input_device;
 
 struct wlsc_output {
 	struct wl_object object;
@@ -69,7 +70,7 @@ struct wlsc_output {
 	int (*prepare_scanout_surface)(struct wlsc_output *output,
 				       struct wlsc_surface *es);
 	int (*set_hardware_cursor)(struct wlsc_output *output,
-				   struct wl_input_device *input);
+				   struct wlsc_input_device *input);
 };
 
 enum wlsc_pointer_type {
-- 
2.7.4