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present: Add exported init function of window flip mode 

Allow drivers now to initialize window flip mode.

Signed-off-by: Roman Gilg <subdiff@gmail.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Roman Gilg 2018-03-13 16:00:51 +01:00 committed by Adam Jackson
parent a337949f99
commit 902429f077
2 changed files with 24 additions and 1 deletions
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2
present/present.h
View File

@ -174,6 +174,8 @@ present_event_abandon(RRCrtcPtr crtc);
extern _X_EXPORT Bool extern _X_EXPORT Bool
present_screen_init(ScreenPtr screen, present_screen_info_ptr info); present_screen_init(ScreenPtr screen, present_screen_info_ptr info);
extern _X_EXPORT Bool
present_wnmd_screen_init(ScreenPtr screen, present_wnmd_info_ptr info);
typedef void (*present_complete_notify_proc)(WindowPtr window, typedef void (*present_complete_notify_proc)(WindowPtr window,
CARD8 kind, CARD8 kind,

23
present/present_screen.c
View File

@ -239,7 +239,28 @@ present_screen_priv_init(ScreenPtr screen)
} }
/* /*
* Initialize a screen for use with present * Initialize a screen for use with present in window flip mode (wnmd)
*/
int
present_wnmd_screen_init(ScreenPtr screen, present_wnmd_info_ptr info)
{
if (!present_screen_register_priv_keys())
return FALSE;
if (!present_screen_priv(screen)) {
present_screen_priv_ptr screen_priv = present_screen_priv_init(screen);
if (!screen_priv)
return FALSE;
screen_priv->wnmd_info = info;
present_wnmd_init_mode_hooks(screen_priv);
}
return TRUE;
}
/*
* Initialize a screen for use with present in default screen flip mode (scmd)
*/ */
int int
present_screen_init(ScreenPtr screen, present_screen_info_ptr info) present_screen_init(ScreenPtr screen, present_screen_info_ptr info)