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libweston: introduce weston_head 

In order to support clone modes, libweston needs the concept of a head
that is separate from weston_output. While weston_output manages buffers
and the repaint state machine, weston_head will represent a single
monitor. In the future it will be possible to have a single
weston_output drive one or more weston_heads for a clone mode that
shares the framebuffers between all cloned heads.

All the fields that are obviously properties of the monitor are moved
from weston_output into weston_head.

As moving the fields requires one to touch all the backends for all the
assingments, introduce setter functions for them while we are here. The
setters are identical to the old assignments, for now.

As a temporary measure, weston_output embeds a single head. Also the
ugly casts in weston_head_set_monitor_strings() will be removed by a
follow-up patch.

Libweston major version is bumped, because weston_output struct layout
is changed.

v7:
- Bump libweston major version.

v6:
- adapt to upstream changes in weston_output_set_transform()

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
v5 Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
v6 Reviewed-by: Ian Ray <ian.ray@ge.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Pekka Paalanen 2017-03-24 15:39:24 +02:00
parent 61c4a730d2
commit 01f60211b2
10 changed files with 193 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
compositor/cms-colord.c
View File

@ -102,22 +102,23 @@ edid_value_valid(const char *str)
static gchar *
get_output_id(struct cms_colord *cms, struct weston_output *o)
{
struct weston_head *head = &o->head;
const gchar *tmp;
GString *device_id;
/* see https://github.com/hughsie/colord/blob/master/doc/device-and-profile-naming-spec.txt
* for format and allowed values */
device_id = g_string_new("xrandr");
if (edid_value_valid(o->make)) {
tmp = g_hash_table_lookup(cms->pnp_ids, o->make);
if (edid_value_valid(head->make)) {
tmp = g_hash_table_lookup(cms->pnp_ids, head->make);
if (tmp == NULL)
tmp = o->make;
tmp = head->make;
g_string_append_printf(device_id, "-%s", tmp);
}
if (edid_value_valid(o->model))
g_string_append_printf(device_id, "-%s", o->model);
if (edid_value_valid(o->serial_number))
g_string_append_printf(device_id, "-%s", o->serial_number);
if (edid_value_valid(head->model))
g_string_append_printf(device_id, "-%s", head->model);
if (edid_value_valid(head->serial_number))
g_string_append_printf(device_id, "-%s", head->serial_number);
/* no EDID data, so use fallback */
if (strcmp(device_id->str, "xrandr") == 0)
@ -230,6 +231,7 @@ colord_notifier_output_destroy(struct wl_listener *listener, void *data)
static void
colord_output_created(struct cms_colord *cms, struct weston_output *o)
{
struct weston_head *head = &o->head;
CdDevice *device;
const gchar *tmp;
gchar *device_id;
@ -251,25 +253,25 @@ colord_output_created(struct cms_colord *cms, struct weston_output *o)
g_hash_table_insert (device_props,
g_strdup(CD_DEVICE_PROPERTY_COLORSPACE),
g_strdup(cd_colorspace_to_string(CD_COLORSPACE_RGB)));
if (edid_value_valid(o->make)) {
tmp = g_hash_table_lookup(cms->pnp_ids, o->make);
if (edid_value_valid(head->make)) {
tmp = g_hash_table_lookup(cms->pnp_ids, head->make);
if (tmp == NULL)
tmp = o->make;
tmp = head->make;
g_hash_table_insert (device_props,
g_strdup(CD_DEVICE_PROPERTY_VENDOR),
g_strdup(tmp));
}
if (edid_value_valid(o->model)) {
if (edid_value_valid(head->model)) {
g_hash_table_insert (device_props,
g_strdup(CD_DEVICE_PROPERTY_MODEL),
g_strdup(o->model));
g_strdup(head->model));
}
if (edid_value_valid(o->serial_number)) {
if (edid_value_valid(head->serial_number)) {
g_hash_table_insert (device_props,
g_strdup(CD_DEVICE_PROPERTY_SERIAL),
g_strdup(o->serial_number));
g_strdup(head->serial_number));
}
if (o->connection_internal) {
if (head->connection_internal) {
g_hash_table_insert (device_props,
g_strdup (CD_DEVICE_PROPERTY_EMBEDDED),
NULL);

4
configure.ac
View File

@ -3,9 +3,9 @@ m4_define([weston_minor_version], [0])
m4_define([weston_micro_version], [90])
m4_define([weston_version],
[weston_major_version.weston_minor_version.weston_micro_version])
m4_define([libweston_major_version], [4])
m4_define([libweston_major_version], [5])
m4_define([libweston_minor_version], [0])
m4_define([libweston_patch_version], [90])
m4_define([libweston_patch_version], [0])
AC_PREREQ([2.64])
AC_INIT([weston],

17
libweston/compositor-drm.c
View File

@ -4933,6 +4933,7 @@ create_output_for_connector(struct drm_backend *b,
struct udev_device *drm_device)
{
struct drm_output *output;
struct weston_head *head;
drmModeObjectPropertiesPtr props;
struct drm_mode *drm_mode;
char *name;
@ -4973,26 +4974,26 @@ create_output_for_connector(struct drm_backend *b,
}
drm_property_info_populate(b, connector_props, output->props_conn,
WDRM_CONNECTOR__COUNT, props);
head = &output->base.head;
find_and_parse_output_edid(b, output, props,
&make, &model, &serial_number);
output->base.make = (char *)make;
output->base.model = (char *)model;
output->base.serial_number = (char *)serial_number;
output->base.subpixel = drm_subpixel_to_wayland(output->connector->subpixel);
weston_head_set_monitor_strings(head, make, model, serial_number);
weston_head_set_subpixel(head,
drm_subpixel_to_wayland(output->connector->subpixel));
drmModeFreeObjectProperties(props);
if (output->connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
output->connector->connector_type == DRM_MODE_CONNECTOR_eDP)
output->base.connection_internal = true;
weston_head_set_internal(head);
if (drm_output_init_gamma_size(output) < 0)
goto err_output;
output->state_cur = drm_output_state_alloc(output, NULL);
weston_head_set_physical_size(head, output->connector->mmWidth,
output->connector->mmHeight);
output->base.mm_width = output->connector->mmWidth;
output->base.mm_height = output->connector->mmHeight;
output->state_cur = drm_output_state_alloc(output, NULL);
for (i = 0; i < output->connector->count_modes; i++) {
drm_mode = drm_output_add_mode(output, &output->connector->modes[i]);

12
libweston/compositor-fbdev.c
View File

@ -499,6 +499,7 @@ fbdev_output_create(struct fbdev_backend *backend,
const char *device)
{
struct fbdev_output *output;
struct weston_head *head;
int fb_fd;
weston_log("Creating fbdev output.\n");
@ -532,12 +533,13 @@ fbdev_output_create(struct fbdev_backend *backend,
wl_list_insert(&output->base.mode_list, &output->mode.link);
output->base.current_mode = &output->mode;
output->base.subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN;
output->base.make = "unknown";
output->base.model = output->fb_info.id;
output->base.mm_width = output->fb_info.width_mm;
output->base.mm_height = output->fb_info.height_mm;
head = &output->base.head;
weston_head_set_monitor_strings(head, "unknown", output->fb_info.id,
NULL);
weston_head_set_subpixel(head, WL_OUTPUT_SUBPIXEL_UNKNOWN);
weston_head_set_physical_size(head, output->fb_info.width_mm,
output->fb_info.height_mm);
close(fb_fd);

8
libweston/compositor-headless.c
View File

@ -185,6 +185,7 @@ headless_output_set_size(struct weston_output *base,
int width, int height)
{
struct headless_output *output = to_headless_output(base);
struct weston_head *head = &output->base.head;
int output_width, output_height;
/* We can only be called once. */
@ -204,12 +205,11 @@ headless_output_set_size(struct weston_output *base,
wl_list_insert(&output->base.mode_list, &output->mode.link);
output->base.current_mode = &output->mode;
output->base.make = "weston";
output->base.model = "headless";
weston_head_set_monitor_strings(head, "weston", "headless", NULL);
/* XXX: Calculate proper size. */
output->base.mm_width = width;
output->base.mm_height = height;
weston_head_set_physical_size(head, width, height);
output->base.start_repaint_loop = headless_output_start_repaint_loop;
output->base.repaint = headless_output_repaint;

8
libweston/compositor-rdp.c
View File

@ -482,6 +482,7 @@ rdp_output_set_size(struct weston_output *base,
int width, int height)
{
struct rdp_output *output = to_rdp_output(base);
struct weston_head *head = &output->base.head;
struct weston_mode *currentMode;
struct weston_mode initMode;
@ -500,12 +501,11 @@ rdp_output_set_size(struct weston_output *base,
return -1;
output->base.current_mode = output->base.native_mode = currentMode;
output->base.make = "weston";
output->base.model = "rdp";
weston_head_set_monitor_strings(head, "weston", "rdp", NULL);
/* XXX: Calculate proper size. */
output->base.mm_width = width;
output->base.mm_height = height;
weston_head_set_physical_size(head, width, height);
output->base.start_repaint_loop = rdp_output_start_repaint_loop;
output->base.repaint = rdp_output_repaint;

18
libweston/compositor-wayland.c
View File

@ -1313,6 +1313,7 @@ static int
wayland_output_set_size(struct weston_output *base, int width, int height)
{
struct wayland_output *output = to_wayland_output(base);
struct weston_head *head = &output->base.head;
int output_width, output_height;
/* We can only be called once. */
@ -1345,12 +1346,11 @@ wayland_output_set_size(struct weston_output *base, int width, int height)
wl_list_insert(&output->base.mode_list, &output->mode.link);
output->base.current_mode = &output->mode;
output->base.make = "wayland";
output->base.model = "none";
weston_head_set_monitor_strings(head, "wayland", "none", NULL);
/* XXX: Calculate proper size. */
output->base.mm_width = width;
output->base.mm_height = height;
weston_head_set_physical_size(head, width, height);
return 0;
}
@ -1383,10 +1383,12 @@ wayland_output_create_for_parent_output(struct wayland_backend *b,
output->parent.output = poutput->global;
output->base.make = poutput->physical.make;
output->base.model = poutput->physical.model;
output->base.mm_width = poutput->physical.width;
output->base.mm_height = poutput->physical.height;
weston_head_set_monitor_strings(&output->base.head,
poutput->physical.make,
poutput->physical.model, NULL);
weston_head_set_physical_size(&output->base.head,
poutput->physical.width,
poutput->physical.height);
wl_list_insert_list(&output->base.mode_list, &poutput->mode_list);
wl_list_init(&poutput->mode_list);

13
libweston/compositor-x11.c
View File

@ -1065,6 +1065,8 @@ x11_output_set_size(struct weston_output *base, int width, int height)
{
struct x11_output *output = to_x11_output(base);
struct x11_backend *b = to_x11_backend(base->compositor);
struct weston_head *head = &output->base.head;
xcb_screen_t *scrn = b->screen;
int output_width, output_height;
/* We can only be called once. */
@ -1099,16 +1101,13 @@ x11_output_set_size(struct weston_output *base, int width, int height)
wl_list_insert(&output->base.mode_list, &output->mode.link);
output->base.current_mode = &output->mode;
output->base.make = "weston-X11";
output->base.model = "none";
output->base.native_mode = &output->native;
output->base.native_scale = output->base.scale;
output->base.mm_width = width * b->screen->width_in_millimeters /
b->screen->width_in_pixels;
output->base.mm_height = height * b->screen->height_in_millimeters /
b->screen->height_in_pixels;
weston_head_set_monitor_strings(head, "weston-X11", "none", NULL);
weston_head_set_physical_size(head,
width * scrn->width_in_millimeters / scrn->width_in_pixels,
height * scrn->height_in_millimeters / scrn->height_in_pixels);
return 0;
}

116
libweston/compositor.c
View File

@ -4315,6 +4315,7 @@ bind_output(struct wl_client *client,
struct weston_output *output = data;
struct weston_mode *mode;
struct wl_resource *resource;
struct weston_head *head = &output->head;
resource = wl_resource_create(client, &wl_output_interface,
version, id);
@ -4329,10 +4330,10 @@ bind_output(struct wl_client *client,
wl_output_send_geometry(resource,
output->x,
output->y,
output->mm_width,
output->mm_height,
output->subpixel,
output->make, output->model,
head->mm_width,
head->mm_height,
head->subpixel,
head->make, head->model,
output->transform);
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION)
wl_output_send_scale(resource,
@ -4365,6 +4366,85 @@ weston_output_from_resource(struct wl_resource *resource)
return wl_resource_get_user_data(resource);
}
/** Store monitor make, model and serial number
*
* \param head The head to modify.
* \param make The monitor make. If EDID is available, the PNP ID. Otherwise
* any string, or NULL for none.
* \param model The monitor model or name, or a made-up string, or NULL for
* none.
* \param serialno The monitor serial number, a made-up string, or NULL for
* none.
*
* \memberof weston_head
* \internal
*/
WL_EXPORT void
weston_head_set_monitor_strings(struct weston_head *head,
const char *make,
const char *model,
const char *serialno)
{
head->make = (char *)make;
head->model = (char *)model;
head->serial_number = (char *)serialno;
}
/** Store physical image size
*
* \param head The head to modify.
* \param mm_width Image area width in millimeters.
* \param mm_height Image area height in millimeters.
*
* \memberof weston_head
* \internal
*/
WL_EXPORT void
weston_head_set_physical_size(struct weston_head *head,
int32_t mm_width, int32_t mm_height)
{
head->mm_width = mm_width;
head->mm_height = mm_height;
}
/** Store monitor sub-pixel layout
*
* \param head The head to modify.
* \param sp Sub-pixel layout. The possible values are:
* - WL_OUTPUT_SUBPIXEL_UNKNOWN,
* - WL_OUTPUT_SUBPIXEL_NONE,
* - WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB,
* - WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR,
* - WL_OUTPUT_SUBPIXEL_VERTICAL_RGB,
* - WL_OUTPUT_SUBPIXEL_VERTICAL_BGR
*
* \memberof weston_head
* \internal
*/
WL_EXPORT void
weston_head_set_subpixel(struct weston_head *head,
enum wl_output_subpixel sp)
{
head->subpixel = sp;
}
/** Mark the monitor as internal
*
* This is used for embedded screens, like laptop panels.
*
* \param head The head to mark as internal.
*
* By default a head is external. The type is often inferred from the physical
* connector type.
*
* \memberof weston_head
* \internal
*/
WL_EXPORT void
weston_head_set_internal(struct weston_head *head)
{
head->connection_internal = true;
}
/* Move other outputs when one is resized so the space remains contiguous. */
static void
@ -4481,6 +4561,7 @@ weston_output_init_geometry(struct weston_output *output, int x, int y)
WL_EXPORT void
weston_output_move(struct weston_output *output, int x, int y)
{
struct weston_head *head = &output->head;
struct wl_resource *resource;
output->move_x = x - output->x;
@ -4501,11 +4582,11 @@ weston_output_move(struct weston_output *output, int x, int y)
wl_output_send_geometry(resource,
output->x,
output->y,
output->mm_width,
output->mm_height,
output->subpixel,
output->make,
output->model,
head->mm_width,
head->mm_height,
head->subpixel,
head->make,
head->model,
output->transform);
if (wl_resource_get_version(resource) >= WL_OUTPUT_DONE_SINCE_VERSION)
@ -4695,6 +4776,7 @@ weston_output_set_transform(struct weston_output *output,
struct weston_seat *seat;
pixman_region32_t old_region;
int mid_x, mid_y;
struct weston_head *head = &output->head;
if (!output->enabled && output->transform == UINT32_MAX) {
output->transform = transform;
@ -4715,11 +4797,11 @@ weston_output_set_transform(struct weston_output *output,
wl_output_send_geometry(resource,
output->x,
output->y,
output->mm_width,
output->mm_height,
output->subpixel,
output->make,
output->model,
head->mm_width,
head->mm_height,
head->subpixel,
head->make,
head->model,
output->transform);
if (wl_resource_get_version(resource) >= WL_OUTPUT_DONE_SINCE_VERSION)
@ -4766,6 +4848,8 @@ weston_output_init(struct weston_output *output,
struct weston_compositor *compositor,
const char *name)
{
struct weston_head *head = &output->head;
output->compositor = compositor;
output->destroying = 0;
output->name = strdup(name);
@ -4775,8 +4859,8 @@ weston_output_init(struct weston_output *output,
/* Add some (in)sane defaults which can be used
* for checking if an output was properly configured
*/
output->mm_width = 0;
output->mm_height = 0;
head->mm_width = 0;
head->mm_height = 0;
output->scale = 0;
/* Can't use -1 on uint32_t and 0 is valid enum value */
output->transform = UINT32_MAX;

38
libweston/compositor.h
View File

@ -147,6 +147,21 @@ enum dpms_enum {
WESTON_DPMS_OFF
};
/** Represents a monitor
*
* This object represents a monitor (hardware backends like DRM) or a window
* (windowed nested backends).
*/
struct weston_head {
int32_t mm_width; /**< physical image width in mm */
int32_t mm_height; /**< physical image height in mm */
char *make; /**< monitor manufacturer (PNP ID) */
char *model; /**< monitor model */
char *serial_number; /**< monitor serial */
uint32_t subpixel; /**< enum wl_output_subpixel */
bool connection_internal; /**< embedded monitor (e.g. laptop) */
};
struct weston_output {
uint32_t id;
char *name;
@ -165,7 +180,6 @@ struct weston_output {
struct wl_list animation_list;
int32_t x, y, width, height;
int32_t mm_width, mm_height;
/** Output area in global coordinates, simple rect */
pixman_region32_t region;
@ -199,8 +213,6 @@ struct weston_output {
int destroying;
struct wl_list feedback_list;
char *make, *model, *serial_number;
uint32_t subpixel;
uint32_t transform;
int32_t native_scale;
int32_t current_scale;
@ -211,6 +223,8 @@ struct weston_output {
struct weston_mode *original_mode;
struct wl_list mode_list;
struct weston_head head;
void (*start_repaint_loop)(struct weston_output *output);
int (*repaint)(struct weston_output *output,
pixman_region32_t *damage,
@ -224,7 +238,6 @@ struct weston_output {
void (*set_backlight)(struct weston_output *output, uint32_t value);
void (*set_dpms)(struct weston_output *output, enum dpms_enum level);
bool connection_internal;
uint16_t gamma_size;
void (*set_gamma)(struct weston_output *output,
uint16_t size,
@ -1936,6 +1949,23 @@ weston_seat_set_keyboard_focus(struct weston_seat *seat,
int
weston_compositor_load_xwayland(struct weston_compositor *compositor);
void
weston_head_set_monitor_strings(struct weston_head *head,
const char *make,
const char *model,
const char *serialno);
void
weston_head_set_physical_size(struct weston_head *head,
int32_t mm_width, int32_t mm_height);
void
weston_head_set_subpixel(struct weston_head *head,
enum wl_output_subpixel sp);
void
weston_head_set_internal(struct weston_head *head);
void
weston_output_set_scale(struct weston_output *output,
int32_t scale);