mirror of
https://github.com/brl/mutter.git
synced 2024-11-29 19:40:43 -05:00
e5602062e2
It's yet to be used for anything, but will later on. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2795>
95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* A Low Level GPU Graphics and Utilities API
|
|
*
|
|
* Copyright (C) 2012 Red Hat, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifndef __COGL_FRAME_INFO_PRIVATE_H
|
|
#define __COGL_FRAME_INFO_PRIVATE_H
|
|
|
|
#include "cogl-frame-info.h"
|
|
#include "cogl-object-private.h"
|
|
#include "cogl-context.h"
|
|
|
|
typedef enum _CoglFrameInfoFlag
|
|
{
|
|
COGL_FRAME_INFO_FLAG_NONE = 0,
|
|
COGL_FRAME_INFO_FLAG_SYMBOLIC = 1 << 0,
|
|
/* presentation_time timestamp was provided by the hardware */
|
|
COGL_FRAME_INFO_FLAG_HW_CLOCK = 1 << 1,
|
|
/*
|
|
* The presentation of this frame was done zero-copy. This means the buffer
|
|
* from the client was given to display hardware as is, without copying it.
|
|
* Compositing with OpenGL counts as copying, even if textured directly from
|
|
* the client buffer. Possible zero-copy cases include direct scanout of a
|
|
* fullscreen surface and a surface on a hardware overlay.
|
|
*/
|
|
COGL_FRAME_INFO_FLAG_ZERO_COPY = 1 << 2,
|
|
/*
|
|
* The presentation was synchronized to the "vertical retrace" by the display
|
|
* hardware such that tearing does not happen. Relying on user space
|
|
* scheduling is not acceptable for this flag. If presentation is done by a
|
|
* copy to the active frontbuffer, then it must guarantee that tearing cannot
|
|
* happen.
|
|
*/
|
|
COGL_FRAME_INFO_FLAG_VSYNC = 1 << 3,
|
|
} CoglFrameInfoFlag;
|
|
|
|
struct _CoglFrameInfo
|
|
{
|
|
CoglObject _parent;
|
|
|
|
CoglContext *context;
|
|
|
|
int64_t frame_counter;
|
|
int64_t presentation_time_us; /* CLOCK_MONOTONIC */
|
|
float refresh_rate;
|
|
|
|
int64_t global_frame_counter;
|
|
|
|
CoglFrameInfoFlag flags;
|
|
|
|
unsigned int sequence;
|
|
|
|
CoglTimestampQuery *timestamp_query;
|
|
int64_t gpu_time_before_buffer_swap_ns;
|
|
int64_t cpu_time_before_buffer_swap_us;
|
|
|
|
gboolean has_target_presentation_time;
|
|
int64_t target_presentation_time_us;
|
|
};
|
|
|
|
COGL_EXPORT
|
|
CoglFrameInfo *cogl_frame_info_new (CoglContext *context,
|
|
int64_t global_frame_counter);
|
|
|
|
COGL_EXPORT
|
|
void cogl_frame_info_set_target_presentation_time (CoglFrameInfo *info,
|
|
int64_t presentation_time_us);
|
|
|
|
#endif /* __COGL_FRAME_INFO_PRIVATE_H */
|