libweston: Clean-up timeline to make room for a new approach

With it this removes the parts responsible for creating the file,
timeline_log class, removes the debug key binding when creating the
compositor instace, keeping only what can be re-used.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>

libweston/compositor.c

@@ -2368,8 +2368,7 @@ surface_flush_damage(struct weston_surface *surface)
 	    wl_shm_buffer_get(surface->buffer_ref.buffer->resource))
 		surface->compositor->renderer->flush_damage(surface);
 
-	if (weston_timeline_enabled_ &&
+	if (pixman_region32_not_empty(&surface->damage))
-	    pixman_region32_not_empty(&surface->damage))
 		TL_POINT("core_flush_damage", TLP_SURFACE(surface),
 			 TLP_OUTPUT(surface->output), TLP_END);
 
@@ -3528,9 +3527,8 @@ weston_surface_commit_state(struct weston_surface *surface,
 	state->buffer_viewport.changed = 0;
 
 	/* wl_surface.damage and wl_surface.damage_buffer */
-	if (weston_timeline_enabled_ &&
+	if (pixman_region32_not_empty(&state->damage_surface) ||
-	    (pixman_region32_not_empty(&state->damage_surface) ||
+	     pixman_region32_not_empty(&state->damage_buffer))
-	     pixman_region32_not_empty(&state->damage_buffer)))
 		TL_POINT("core_commit_damage", TLP_SURFACE(surface), TLP_END);
 
 	pixman_region32_union(&surface->damage, &surface->damage,
@@ -6919,19 +6917,6 @@ weston_environment_get_fd(const char *env)
 	return fd;
 }
 
-static void
-timeline_key_binding_handler(struct weston_keyboard *keyboard,
-			     const struct timespec *time, uint32_t key,
-			     void *data)
-{
-	struct weston_compositor *compositor = data;
-
-	if (weston_timeline_enabled_)
-		weston_timeline_close();
-	else
-		weston_timeline_open(compositor);
-}
-
 static const char *
 output_repaint_status_text(struct weston_output *output)
 {
@@ -7303,9 +7288,6 @@ weston_compositor_create(struct wl_display *display,
 	weston_layer_set_position(&ec->cursor_layer,
 				  WESTON_LAYER_POSITION_CURSOR);
 
-	weston_compositor_add_debug_binding(ec, KEY_T,
-					    timeline_key_binding_handler, ec);
-
 	ec->debug_scene =
 		weston_compositor_add_log_scope(ec->weston_log_ctx, "scene-graph",
 						"Scene graph details\n",

libweston/renderer-gl/gl-renderer.c

@@ -287,8 +287,7 @@ timeline_submit_render_sync(struct gl_renderer *gr,
 	int fd;
 	struct timeline_render_point *trp;
 
-	if (!weston_timeline_enabled_ ||
+	if (!gr->has_native_fence_sync ||
-	    !gr->has_native_fence_sync ||
 	    sync == EGL_NO_SYNC_KHR)
 		return;
 

libweston/timeline.c

@@ -1,6 +1,6 @@
 /*
  * Copyright © 2014 Pekka Paalanen <pq@iki.fi>
- * Copyright © 2014 Collabora, Ltd.
+ * Copyright © 2014, 2019 Collabora, Ltd.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -34,87 +34,8 @@
 
 #include "timeline.h"
 #include <libweston/libweston.h>
-#include "shared/file-util.h"
-
-struct timeline_log {
-	clock_t clk_id;
-	FILE *file;
-	unsigned series;
-	struct wl_listener compositor_destroy_listener;
-};
 
 WL_EXPORT int weston_timeline_enabled_;
-static struct timeline_log timeline_ = { CLOCK_MONOTONIC, NULL, 0 };
-
-static int
-weston_timeline_do_open(void)
-{
-	const char *prefix = "weston-timeline-";
-	const char *suffix = ".log";
-	char fname[1000];
-
-	timeline_.file = file_create_dated(NULL, prefix, suffix,
-					   fname, sizeof(fname));
-	if (!timeline_.file) {
-		const char *msg;
-
-		switch (errno) {
-		case ETIME:
-			msg = "failure in datetime formatting";
-			break;
-		default:
-			msg = strerror(errno);
-		}
-
-		weston_log("Cannot open '%s*%s' for writing: %s\n",
-			   prefix, suffix, msg);
-		return -1;
-	}
-
-	weston_log("Opened timeline file '%s'\n", fname);
-
-	return 0;
-}
-
-static void
-timeline_notify_destroy(struct wl_listener *listener, void *data)
-{
-	weston_timeline_close();
-}
-
-void
-weston_timeline_open(struct weston_compositor *compositor)
-{
-	if (weston_timeline_enabled_)
-		return;
-
-	if (weston_timeline_do_open() < 0)
-		return;
-
-	timeline_.compositor_destroy_listener.notify = timeline_notify_destroy;
-	wl_signal_add(&compositor->destroy_signal,
-		      &timeline_.compositor_destroy_listener);
-
-	if (++timeline_.series == 0)
-		++timeline_.series;
-
-	weston_timeline_enabled_ = 1;
-}
-
-void
-weston_timeline_close(void)
-{
-	if (!weston_timeline_enabled_)
-		return;
-
-	weston_timeline_enabled_ = 0;
-
-	wl_list_remove(&timeline_.compositor_destroy_listener.link);
-
-	fclose(timeline_.file);
-	timeline_.file = NULL;
-	weston_log("Timeline log file closed.\n");
-}
 
 struct timeline_emit_context {
 	FILE *cur;
@@ -262,15 +183,12 @@ weston_timeline_point(const char *name, ...)
 	char buf[512];
 	struct timeline_emit_context ctx;
 
-	clock_gettime(timeline_.clk_id, &ts);
+	clock_gettime(CLOCK_MONOTONIC, &ts);
 
-	ctx.out = timeline_.file;
 	ctx.cur = fmemopen(buf, sizeof(buf), "w");
-	ctx.series = timeline_.series;
 
 	if (!ctx.cur) {
 		weston_log("Timeline error in fmemopen, closing.\n");
-		weston_timeline_close();
 		return;
 	}
 
@@ -295,7 +213,6 @@ weston_timeline_point(const char *name, ...)
 	fflush(ctx.cur);
 	if (ferror(ctx.cur)) {
 		weston_log("Timeline error in constructing entry, closing.\n");
-		weston_timeline_close();
 	} else {
 		fprintf(ctx.out, "%s", buf);
 	}

libweston/timeline.h

@@ -1,6 +1,6 @@
 /*
  * Copyright © 2014 Pekka Paalanen <pq@iki.fi>
- * Copyright © 2014 Collabora, Ltd.
+ * Copyright © 2014, 2019 Collabora, Ltd.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -29,14 +29,6 @@
 
 extern int weston_timeline_enabled_;
 
-struct weston_compositor;
-
-void
-weston_timeline_open(struct weston_compositor *compositor);
-
-void
-weston_timeline_close(void);
-
 enum timeline_type {
 	TLT_END = 0,
 	TLT_OUTPUT,

man/weston-bindings.man

@@ -124,10 +124,9 @@ Rotate the window (if supported)
 .SS DEBUG BINDINGS
 The combination \fBmod + Shift + Space\fR begins a debug binding. Debug
 bindings are completed by pressing an additional key. For example, pressing
-T next may toggle timeline recording, and F may toggle texture mesh
+F may toggle texture mesh wireframes with the GL renderer.
-wireframes with the GL renderer. (In fact, most debug effects can be
+(In fact, most debug effects can be disabled again by repeating the command.)
-disabled again by repeating the command.) Debug bindings are often tied to
+Debug bindings are often tied to specific backends.
-specific backends.
 
 .SH "SEE ALSO"
 .BR weston (1),