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present: Add driver facing window flip mode hooks 

To enable special functionality of window flips introduce for window flips
a separate set of driver facing function hooks.

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 16:00:47 +01:00 committed by Adam Jackson
parent 7b071b4e44
commit 8d370fcdca
2 changed files with 44 additions and 0 deletions
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43
present/present.h
View File

@ -41,6 +41,7 @@ typedef RRCrtcPtr (*present_get_crtc_ptr) (WindowPtr window);
/* Return the current ust/msc for 'crtc'
*/
typedef int (*present_get_ust_msc_ptr) (RRCrtcPtr crtc, uint64_t *ust, uint64_t *msc);
typedef int (*present_wnmd_get_ust_msc_ptr) (WindowPtr window, uint64_t *ust, uint64_t *msc);
/* Queue callback on 'crtc' for time 'msc'. Call present_event_notify with 'event_id'
* at or after 'msc'. Return false if it didn't happen (which might occur if 'crtc'
@ -49,12 +50,20 @@ typedef int (*present_get_ust_msc_ptr) (RRCrtcPtr crtc, uint64_t *ust, uint64_t
typedef Bool (*present_queue_vblank_ptr) (RRCrtcPtr crtc,
uint64_t event_id,
uint64_t msc);
typedef Bool (*present_wnmd_queue_vblank_ptr) (WindowPtr window,
RRCrtcPtr crtc,
uint64_t event_id,
uint64_t msc);
/* Abort pending vblank. The extension is no longer interested in
* 'event_id' which was to be notified at 'msc'. If possible, the
* driver is free to de-queue the notification.
*/
typedef void (*present_abort_vblank_ptr) (RRCrtcPtr crtc, uint64_t event_id, uint64_t msc);
typedef void (*present_wnmd_abort_vblank_ptr) (WindowPtr window,
RRCrtcPtr crtc,
uint64_t event_id,
uint64_t msc);
/* Flush pending drawing on 'window' to the hardware.
*/
@ -84,6 +93,19 @@ typedef Bool (*present_flip_ptr) (RRCrtcPtr crtc,
uint64_t target_msc,
PixmapPtr pixmap,
Bool sync_flip);
/* Flip pixmap for window, return false if it didn't happen.
*
* Like present_flip_ptr, additionaly with:
*
* 'window' used for synchronization.
*
*/
typedef Bool (*present_wnmd_flip_ptr) (WindowPtr window,
RRCrtcPtr crtc,
uint64_t event_id,
uint64_t target_msc,
PixmapPtr pixmap,
Bool sync_flip);
/* "unflip" back to the regular screen scanout buffer
*
@ -92,6 +114,12 @@ typedef Bool (*present_flip_ptr) (RRCrtcPtr crtc,
typedef void (*present_unflip_ptr) (ScreenPtr screen,
uint64_t event_id);
/* Doing flips has been discontinued.
*
* Inform driver for potential cleanup on its side.
*/
typedef void (*present_wnmd_flips_stop_ptr) (WindowPtr window);
#define PRESENT_SCREEN_INFO_VERSION 1
typedef struct present_screen_info {
@ -110,6 +138,21 @@ typedef struct present_screen_info {
} present_screen_info_rec, *present_screen_info_ptr;
typedef struct present_wnmd_info {
uint32_t version;
present_get_crtc_ptr get_crtc;
present_wnmd_get_ust_msc_ptr get_ust_msc;
present_wnmd_queue_vblank_ptr queue_vblank;
present_wnmd_abort_vblank_ptr abort_vblank;
present_flush_ptr flush;
uint32_t capabilities;
present_check_flip2_ptr check_flip2;
present_wnmd_flip_ptr flip;
present_wnmd_flips_stop_ptr flips_stop;
} present_wnmd_info_rec, *present_wnmd_info_ptr;
/*
* Called when 'event_id' occurs. 'ust' and 'msc' indicate when the
* event actually happened

1
present/present_priv.h
View File

@ -162,6 +162,7 @@ struct present_screen_priv {
Bool flip_sync;
present_screen_info_ptr info;
present_wnmd_info_ptr wnmd_info;
/* Mode hooks */
present_priv_query_capabilities_ptr query_capabilities;