mutter/cogl/cogl/cogl-frame-info.c
Jonas Ådahl e5602062e2 cogl/frame: Keep track of target presentation time
It's yet to be used for anything, but will later on.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2795>
2023-01-23 15:57:51 +01:00

153 lines
3.9 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.
*
*
*/
#include "cogl-config.h"
#include "cogl-frame-info-private.h"
#include "cogl-gtype-private.h"
#include "cogl-context-private.h"
static void _cogl_frame_info_free (CoglFrameInfo *info);
COGL_OBJECT_DEFINE (FrameInfo, frame_info);
COGL_GTYPE_DEFINE_CLASS (FrameInfo, frame_info);
CoglFrameInfo *
cogl_frame_info_new (CoglContext *context,
int64_t global_frame_counter)
{
CoglFrameInfo *info;
info = g_new0 (CoglFrameInfo, 1);
info->context = context;
info->global_frame_counter = global_frame_counter;
return _cogl_frame_info_object_new (info);
}
static void
_cogl_frame_info_free (CoglFrameInfo *info)
{
if (info->timestamp_query)
cogl_context_free_timestamp_query (info->context, info->timestamp_query);
g_free (info);
}
int64_t
cogl_frame_info_get_frame_counter (CoglFrameInfo *info)
{
return info->frame_counter;
}
int64_t
cogl_frame_info_get_presentation_time_us (CoglFrameInfo *info)
{
g_warn_if_fail (!(info->flags & COGL_FRAME_INFO_FLAG_SYMBOLIC));
return info->presentation_time_us;
}
float
cogl_frame_info_get_refresh_rate (CoglFrameInfo *info)
{
g_warn_if_fail (!(info->flags & COGL_FRAME_INFO_FLAG_SYMBOLIC));
return info->refresh_rate;
}
int64_t
cogl_frame_info_get_global_frame_counter (CoglFrameInfo *info)
{
return info->global_frame_counter;
}
gboolean
cogl_frame_info_get_is_symbolic (CoglFrameInfo *info)
{
return !!(info->flags & COGL_FRAME_INFO_FLAG_SYMBOLIC);
}
gboolean
cogl_frame_info_is_hw_clock (CoglFrameInfo *info)
{
return !!(info->flags & COGL_FRAME_INFO_FLAG_HW_CLOCK);
}
gboolean
cogl_frame_info_is_zero_copy (CoglFrameInfo *info)
{
return !!(info->flags & COGL_FRAME_INFO_FLAG_ZERO_COPY);
}
gboolean
cogl_frame_info_is_vsync (CoglFrameInfo *info)
{
return !!(info->flags & COGL_FRAME_INFO_FLAG_VSYNC);
}
unsigned int
cogl_frame_info_get_sequence (CoglFrameInfo *info)
{
g_warn_if_fail (!(info->flags & COGL_FRAME_INFO_FLAG_SYMBOLIC));
return info->sequence;
}
int64_t
cogl_frame_info_get_rendering_duration_ns (CoglFrameInfo *info)
{
int64_t gpu_time_rendering_done_ns;
if (!info->timestamp_query ||
info->gpu_time_before_buffer_swap_ns == 0)
return 0;
gpu_time_rendering_done_ns =
cogl_context_timestamp_query_get_time_ns (info->context,
info->timestamp_query);
return gpu_time_rendering_done_ns - info->gpu_time_before_buffer_swap_ns;
}
int64_t
cogl_frame_info_get_time_before_buffer_swap_us (CoglFrameInfo *info)
{
return info->cpu_time_before_buffer_swap_us;
}
void
cogl_frame_info_set_target_presentation_time (CoglFrameInfo *info,
int64_t presentation_time_us)
{
info->has_target_presentation_time = TRUE;
info->target_presentation_time_us = presentation_time_us;
}