Multi client wrapper compositor. More...

#include "xrt/xrt_config_os.h"
#include "xrt/xrt_session.h"
#include "os/os_time.h"
#include "os/os_threading.h"
#include "util/u_var.h"
#include "util/u_misc.h"
#include "util/u_time.h"
#include "util/u_wait.h"
#include "util/u_debug.h"
#include "util/u_trace_marker.h"
#include "util/u_distortion_mesh.h"
#include "util/u_linux.h"
#include "multi/comp_multi_private.h"
#include "multi/comp_multi_interface.h"
#include <math.h>
#include <stdio.h>
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for comp_multi_system.c:

Functions
static void	do_projection_layer (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static void	do_projection_layer_depth (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static bool	do_single (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry layer, uint32_t i, const char name, struct xrt_device out_xdev, struct xrt_swapchain out_xcs, struct xrt_layer_data **out_data)

static void	do_quad_layer (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static void	do_cube_layer (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static void	do_cylinder_layer (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static void	do_equirect1_layer (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static void	do_equirect2_layer (struct xrt_compositor xc, struct multi_compositor mc, struct multi_layer_entry *layer, uint32_t i)

static int	overlay_sort_func (const void a, const void b)

static enum xrt_blend_mode	find_active_blend_mode (struct multi_compositor **overlay_sorted_clients, size_t size)

static void	transfer_layers_locked (struct multi_system_compositor *msc, int64_t display_time_ns, int64_t system_frame_id)

static void	broadcast_timings_to_clients (struct multi_system_compositor *msc, int64_t predicted_display_time_ns)

static void	broadcast_timings_to_pacers (struct multi_system_compositor *msc, int64_t predicted_display_time_ns, int64_t predicted_display_period_ns, int64_t diff_ns)

static void	wait_frame (struct os_precise_sleeper sleeper, struct xrt_compositor xc, int64_t frame_id, int64_t wake_up_time_ns)

static void	update_session_state_locked (struct multi_system_compositor *msc)

static int	multi_main_loop (struct multi_system_compositor *msc)

static void *	thread_func (void *ptr)

static xrt_result_t	system_compositor_set_state (struct xrt_system_compositor xsc, struct xrt_compositor xc, bool visible, bool focused, int64_t timestamp_ns)

static xrt_result_t	system_compositor_set_z_order (struct xrt_system_compositor xsc, struct xrt_compositor xc, int64_t z_order)

static xrt_result_t	system_compositor_set_main_app_visibility (struct xrt_system_compositor xsc, struct xrt_compositor xc, bool visible)

static xrt_result_t	system_compositor_notify_loss_pending (struct xrt_system_compositor xsc, struct xrt_compositor xc, int64_t loss_time_ns)

static xrt_result_t	system_compositor_notify_lost (struct xrt_system_compositor xsc, struct xrt_compositor xc)

static xrt_result_t	system_compositor_notify_display_refresh_changed (struct xrt_system_compositor xsc, struct xrt_compositor xc, float from_display_refresh_rate_hz, float to_display_refresh_rate_hz)

static xrt_result_t	system_compositor_create_native_compositor (struct xrt_system_compositor xsc, const struct xrt_session_info xsi, struct xrt_session_event_sink xses, struct xrt_compositor_native *out_xcn)

static void	system_compositor_destroy (struct xrt_system_compositor *xsc)

void	multi_system_compositor_update_session_status (struct multi_system_compositor *msc, bool active)

xrt_result_t	comp_multi_create_system_compositor (struct xrt_compositor_native xcn, struct u_pacing_app_factory upaf, const struct xrt_system_compositor_info xsci, bool do_warm_start, struct xrt_system_compositor *out_xsysc)

Detailed Description

Multi client wrapper compositor.

Author: Pete Black pblac.nosp@m.k@co.nosp@m.llabo.nosp@m.ra.c.nosp@m.om; Jakob Bornecrantz jakob.nosp@m.@col.nosp@m.labor.nosp@m.a.co.nosp@m.m; Korcan Hussein korca.nosp@m.n.hu.nosp@m.ssein.nosp@m.@col.nosp@m.labor.nosp@m.a.co.nosp@m.m

Function Documentation

◆ comp_multi_create_system_compositor()

xrt_result_t comp_multi_create_system_compositor	(	struct xrt_compositor_native *	xcn,
		struct u_pacing_app_factory *	upaf,
		const struct xrt_system_compositor_info *	xsci,
		bool	do_warm_start,
		struct xrt_system_compositor **	out_xsysc
	)

Todo:: Make the clients not go from IDLE to READY before we have completed a first frame.

Referenced by xrt_system_compositor::comp_main_create_system_compositor(), null_compositor_create_system(), and sdl_compositor_create_system().

◆ system_compositor_set_state()

static xrt_result_t system_compositor_set_state	(	struct xrt_system_compositor *	xsc,
		struct xrt_compositor *	xc,
		bool	visible,
		bool	focused,
		int64_t	timestamp_ns
	)