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libweston: Add support to set content-protection for a weston_output

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For making an output secure, the content-protection should be set for
each of head attached to that output. So whenever the protection for
a weston_output is desired, it means that protection is desired for
each of the weston_head attached to that weston_output.

This patch introduces a new enum in libweston to represent the
requested/current protection statuses, equivalent to the type enum
defined by the weston-secure-output protocol. The new enum helps to
extend the content-protection status and requests to libweston and
the backends.
This patch also adds a new member desired_protection to store the
desired protection for an output in weston_output.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
This commit is contained in:
Ankit Nautiyal 2019-03-25 17:57:59 +05:30
parent 06aeb0eae0
commit 2690a77088
2 changed files with 17 additions and 0 deletions
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16
include/libweston/libweston.h
View File

@ -169,6 +169,20 @@ enum dpms_enum {
WESTON_DPMS_OFF WESTON_DPMS_OFF
}; };
/* enum for content protection requests/status
*
* This enum represents the content protection requests and statuses in
* libweston and its enum values correspond to those of 'type' enum defined in
* weston-content-protection protocol. The values should exactly match to the
* values of the 'type' enum of the protocol.
*/
enum weston_hdcp_protection {
WESTON_HDCP_DISABLE = 0,
WESTON_HDCP_ENABLE_TYPE_0,
WESTON_HDCP_ENABLE_TYPE_1
};
/** Represents a monitor /** Represents a monitor
* *
* This object represents a monitor (hardware backends like DRM) or a window * This object represents a monitor (hardware backends like DRM) or a window
@ -277,6 +291,8 @@ struct weston_output {
struct wl_list head_list; /**< List of driven weston_heads */ struct wl_list head_list; /**< List of driven weston_heads */
enum weston_hdcp_protection desired_protection;
void (*start_repaint_loop)(struct weston_output *output); void (*start_repaint_loop)(struct weston_output *output);
int (*repaint)(struct weston_output *output, int (*repaint)(struct weston_output *output,
pixman_region32_t *damage, pixman_region32_t *damage,

1
libweston/compositor.c
View File

@ -5873,6 +5873,7 @@ weston_output_init(struct weston_output *output,
wl_list_init(&output->link); wl_list_init(&output->link);
wl_signal_init(&output->user_destroy_signal); wl_signal_init(&output->user_destroy_signal);
output->enabled = false; output->enabled = false;
output->desired_protection = WESTON_HDCP_DISABLE;
wl_list_init(&output->head_list); wl_list_init(&output->head_list);