aaae07f9dd
Since commit e30eb788916d `ClutterFrameClock` assumes that a valid CPU time
implies timestamp query support, which is also checked in
`cogl_onscreen_egl_swap_buffers_with_damage()`.
Unconditionally setting the CPU time on direct scanout meant that the
compositing path would be stuck on the last (direct scanout optimized)
result on GL implementations without timestamp query support since.
be0aa2976e (clutter/frame-clock: Avoid rapidly toggling dynamic max render time)
Fix that by explicitly marking the gpu rendering duration as valid when
querying the GPU timestamps is supported and check for it ClutterFrameClock.
Fixes: 56580ea7c9 ("backends/native: Assume zero rendering time for direct scanout buffers")
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3655>
140 lines
3.9 KiB
C
140 lines
3.9 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2012 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*
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* Authors:
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* Owen Taylor <otaylor@redhat.com>
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*/
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#pragma once
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#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION)
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#error "Only <cogl/cogl.h> can be included directly."
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#endif
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#include "cogl/cogl-types.h"
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#include "cogl/cogl-output.h"
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#include <glib-object.h>
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#include <glib.h>
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G_BEGIN_DECLS
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/**
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* CoglFrameInfo:
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*
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* Frame information.
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*/
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typedef struct _CoglFrameInfo CoglFrameInfo;
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#define COGL_TYPE_FRAME_INFO (cogl_frame_info_get_type ())
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COGL_EXPORT
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G_DECLARE_FINAL_TYPE (CoglFrameInfo,
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cogl_frame_info,
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COGL,
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FRAME_INFO,
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GObject)
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/**
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* cogl_frame_info_get_frame_counter:
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* @info: a #CoglFrameInfo object
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*
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* Gets the frame counter for the #CoglOnscreen that corresponds
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* to this frame.
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*
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* Return value: The frame counter value
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*/
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COGL_EXPORT
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int64_t cogl_frame_info_get_frame_counter (CoglFrameInfo *info);
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/**
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* cogl_frame_info_get_presentation_time_us:
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* @info: a #CoglFrameInfo object
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*
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* Gets the presentation time for the frame. This is the time at which
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* the frame became visible to the user.
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*
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* The presentation time measured in microseconds, is based on
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* CLOCK_MONOTONIC.
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*
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* Some buggy Mesa drivers up to 9.0.1 may
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* incorrectly report non-monotonic timestamps.
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*
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* Return value: the presentation time for the frame
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*/
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COGL_EXPORT
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int64_t cogl_frame_info_get_presentation_time_us (CoglFrameInfo *info);
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/**
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* cogl_frame_info_get_refresh_rate:
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* @info: a #CoglFrameInfo object
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*
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* Gets the refresh rate in Hertz for the output that the frame was on
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* at the time the frame was presented.
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*
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* Some platforms can't associate a #CoglOutput with a
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* #CoglFrameInfo object but are able to report a refresh rate via
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* this api. Therefore if you need this information then this api is
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* more reliable than using cogl_frame_info_get_output() followed by
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* cogl_output_get_refresh_rate().
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*
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* Return value: the refresh rate in Hertz
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*/
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COGL_EXPORT
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float cogl_frame_info_get_refresh_rate (CoglFrameInfo *info);
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COGL_EXPORT
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int64_t cogl_frame_info_get_global_frame_counter (CoglFrameInfo *info);
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COGL_EXPORT
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gboolean cogl_frame_info_get_is_symbolic (CoglFrameInfo *info);
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COGL_EXPORT
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gboolean cogl_frame_info_is_hw_clock (CoglFrameInfo *info);
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COGL_EXPORT
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gboolean cogl_frame_info_is_zero_copy (CoglFrameInfo *info);
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COGL_EXPORT
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gboolean cogl_frame_info_is_vsync (CoglFrameInfo *info);
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COGL_EXPORT
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unsigned int cogl_frame_info_get_sequence (CoglFrameInfo *info);
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COGL_EXPORT
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gboolean cogl_frame_info_has_valid_gpu_rendering_duration (CoglFrameInfo *info);
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COGL_EXPORT
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int64_t cogl_frame_info_get_rendering_duration_ns (CoglFrameInfo *info);
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COGL_EXPORT
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int64_t cogl_frame_info_get_time_before_buffer_swap_us (CoglFrameInfo *info);
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G_END_DECLS
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