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xorg-x11-server/0003-xwayland-Use-buffer_damage-instead-of-surface-damage.patch

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From 0356eff57bc1201e2bcd5fdd363a50ceabc4a4fa Mon Sep 17 00:00:00 2001
From: Robert Mader <robert.mader@posteo.de>
Date: Tue, 2 Jul 2019 12:03:12 +0200
Subject: [PATCH xserver 03/14] xwayland: Use buffer_damage instead of surface
damage if available
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When a viewport is set, damage will only work properly when using
wl_surface_damage_buffer instead of wl_surface_damage.
When no viewport is set, there should be no difference between
surface and buffer damage.
This is a preparation patch for using viewport to add support for fake
mode-changes through xrandr for apps which want to change the resolution
when going fullscreen.
Changes by Hans de Goede <hdegoede@redhat.com>:
-Split the damage changes out into their own patch
-Add xwl_surface_damage helper
-Also use buffer_damage / the new helper for the present and cursor code
Reviewed-by: Olivier Fourdan <ofourdan@redhat.com>
Acked-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
hw/xwayland/xwayland-cursor.c | 12 ++++++------
hw/xwayland/xwayland-present.c | 6 +++---
hw/xwayland/xwayland.c | 29 +++++++++++++++++++++++------
hw/xwayland/xwayland.h | 3 +++
4 files changed, 35 insertions(+), 15 deletions(-)
diff --git a/hw/xwayland/xwayland-cursor.c b/hw/xwayland/xwayland-cursor.c
index 66720bcc0..cbc715061 100644
--- a/hw/xwayland/xwayland-cursor.c
+++ b/hw/xwayland/xwayland-cursor.c
@@ -165,9 +165,9 @@ xwl_seat_set_cursor(struct xwl_seat *xwl_seat)
xwl_seat->x_cursor->bits->yhot);
wl_surface_attach(xwl_cursor->surface,
xwl_shm_pixmap_get_wl_buffer(pixmap), 0, 0);
- wl_surface_damage(xwl_cursor->surface, 0, 0,
- xwl_seat->x_cursor->bits->width,
- xwl_seat->x_cursor->bits->height);
+ xwl_surface_damage(xwl_seat->xwl_screen, xwl_cursor->surface, 0, 0,
+ xwl_seat->x_cursor->bits->width,
+ xwl_seat->x_cursor->bits->height);
xwl_cursor->frame_cb = wl_surface_frame(xwl_cursor->surface);
wl_callback_add_listener(xwl_cursor->frame_cb, &frame_listener, xwl_cursor);
@@ -217,9 +217,9 @@ xwl_tablet_tool_set_cursor(struct xwl_tablet_tool *xwl_tablet_tool)
xwl_seat->x_cursor->bits->yhot);
wl_surface_attach(xwl_cursor->surface,
xwl_shm_pixmap_get_wl_buffer(pixmap), 0, 0);
- wl_surface_damage(xwl_cursor->surface, 0, 0,
- xwl_seat->x_cursor->bits->width,
- xwl_seat->x_cursor->bits->height);
+ xwl_surface_damage(xwl_seat->xwl_screen, xwl_cursor->surface, 0, 0,
+ xwl_seat->x_cursor->bits->width,
+ xwl_seat->x_cursor->bits->height);
xwl_cursor->frame_cb = wl_surface_frame(xwl_cursor->surface);
wl_callback_add_listener(xwl_cursor->frame_cb, &frame_listener, xwl_cursor);
diff --git a/hw/xwayland/xwayland-present.c b/hw/xwayland/xwayland-present.c
index 2937d9c97..df771c30f 100644
--- a/hw/xwayland/xwayland-present.c
+++ b/hw/xwayland/xwayland-present.c
@@ -500,9 +500,9 @@ xwl_present_flip(WindowPtr present_window,
xwl_present_window->frame_timer_firing = FALSE;
xwl_present_reset_timer(xwl_present_window);
- wl_surface_damage(xwl_window->surface, 0, 0,
- damage_box->x2 - damage_box->x1,
- damage_box->y2 - damage_box->y1);
+ xwl_surface_damage(xwl_window->xwl_screen, xwl_window->surface, 0, 0,
+ damage_box->x2 - damage_box->x1,
+ damage_box->y2 - damage_box->y1);
wl_surface_commit(xwl_window->surface);
diff --git a/hw/xwayland/xwayland.c b/hw/xwayland/xwayland.c
index 292f239e8..8b1c7918a 100644
--- a/hw/xwayland/xwayland.c
+++ b/hw/xwayland/xwayland.c
@@ -759,6 +759,16 @@ xwl_destroy_window(WindowPtr window)
return ret;
}
+void xwl_surface_damage(struct xwl_screen *xwl_screen,
+ struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t width, int32_t height)
+{
+ if (wl_surface_get_version(surface) >= WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
+ wl_surface_damage_buffer(surface, x, y, width, height);
+ else
+ wl_surface_damage(surface, x, y, width, height);
+}
+
static void
xwl_window_post_damage(struct xwl_window *xwl_window)
{
@@ -795,13 +805,15 @@ xwl_window_post_damage(struct xwl_window *xwl_window)
*/
if (RegionNumRects(region) > 256) {
box = RegionExtents(region);
- wl_surface_damage(xwl_window->surface, box->x1, box->y1,
- box->x2 - box->x1, box->y2 - box->y1);
+ xwl_surface_damage(xwl_screen, xwl_window->surface, box->x1, box->y1,
+ box->x2 - box->x1, box->y2 - box->y1);
} else {
box = RegionRects(region);
- for (i = 0; i < RegionNumRects(region); i++, box++)
- wl_surface_damage(xwl_window->surface, box->x1, box->y1,
- box->x2 - box->x1, box->y2 - box->y1);
+ for (i = 0; i < RegionNumRects(region); i++, box++) {
+ xwl_surface_damage(xwl_screen, xwl_window->surface,
+ box->x1, box->y1,
+ box->x2 - box->x1, box->y2 - box->y1);
+ }
}
xwl_window->frame_callback = wl_surface_frame(xwl_window->surface);
@@ -844,8 +856,13 @@ registry_global(void *data, struct wl_registry *registry, uint32_t id,
struct xwl_screen *xwl_screen = data;
if (strcmp(interface, "wl_compositor") == 0) {
+ uint32_t request_version = 1;
+
+ if (version >= WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
+ request_version = WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION;
+
xwl_screen->compositor =
- wl_registry_bind(registry, id, &wl_compositor_interface, 1);
+ wl_registry_bind(registry, id, &wl_compositor_interface, request_version);
}
else if (strcmp(interface, "wl_shm") == 0) {
xwl_screen->shm = wl_registry_bind(registry, id, &wl_shm_interface, 1);
diff --git a/hw/xwayland/xwayland.h b/hw/xwayland/xwayland.h
index c4eabe4c3..3e973d688 100644
--- a/hw/xwayland/xwayland.h
+++ b/hw/xwayland/xwayland.h
@@ -381,6 +381,9 @@ struct xwl_output {
};
void xwl_sync_events (struct xwl_screen *xwl_screen);
+void xwl_surface_damage(struct xwl_screen *xwl_screen,
+ struct wl_surface *surface,
+ int32_t x, int32_t y, int32_t width, int32_t height);
Bool xwl_screen_init_cursor(struct xwl_screen *xwl_screen);
--
2.23.0
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