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hud: add "stdout" option to print values to console

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Values gathered by the hud context will be printed to stdout,
prefixed by their name.

Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20494>
This commit is contained in:
Pierre-Eric Pelloux-Prayer
2022-12-16 14:42:16 +01:00
parent 3170f7d7fa
commit 0a3e91b9ee
1 changed files with 18 additions and 7 deletions
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25
src/gallium/auxiliary/hud/hud_context.c
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@@ -984,6 +984,9 @@ hud_graph_add_value(struct hud_graph *gr, double value)
value = value > gr->pane->ceiling ? gr->pane->ceiling : value;
if (gr->fd) {
if (gr->fd == stdout) {
fprintf(gr->fd, "%s: ", gr->name);
}
if (fabs(value - lround(value)) > FLT_EPSILON) {
fprintf(gr->fd, "%f\n", value);
}
@@ -1055,7 +1058,7 @@ static void strcat_without_spaces(char *dst, const char *src)
* is a HUD variable such as "fps", or "cpu"
*/
static void
hud_graph_set_dump_file(struct hud_graph *gr, const char *hud_dump_dir)
hud_graph_set_dump_file(struct hud_graph *gr, const char *hud_dump_dir, bool to_stdout)
{
if (hud_dump_dir) {
char *dump_file = malloc(strlen(hud_dump_dir) + sizeof(PATH_SEP)
@@ -1065,12 +1068,15 @@ hud_graph_set_dump_file(struct hud_graph *gr, const char *hud_dump_dir)
strcat(dump_file, PATH_SEP);
strcat_without_spaces(dump_file, gr->name);
gr->fd = fopen(dump_file, "w+");
if (gr->fd) {
/* flush output after each line is written */
setvbuf(gr->fd, NULL, _IOLBF, 0);
}
free(dump_file);
}
} else if (to_stdout) {
gr->fd = stdout;
}
if (gr->fd) {
/* flush output after each line is written */
setvbuf(gr->fd, NULL, _IOLBF, 0);
}
}
@@ -1210,6 +1216,7 @@ hud_parse_env_var(struct hud_context *hud, struct pipe_screen *screen,
boolean dyn_ceiling = false;
boolean reset_colors = false;
boolean sort_items = false;
boolean to_stdout = false;
const char *period_env;
if (strncmp(env, "simple,", 7) == 0) {
@@ -1370,6 +1377,9 @@ hud_parse_env_var(struct hud_context *hud, struct pipe_screen *screen,
PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
0);
}
else if (strcmp(name, "stdout") == 0) {
to_stdout = true;
}
else {
boolean processed = FALSE;
@@ -1521,12 +1531,12 @@ hud_parse_env_var(struct hud_context *hud, struct pipe_screen *screen,
}
const char *hud_dump_dir = getenv("GALLIUM_HUD_DUMP_DIR");
if (hud_dump_dir && access(hud_dump_dir, W_OK) == 0) {
if ((hud_dump_dir && access(hud_dump_dir, W_OK) == 0) || to_stdout) {
LIST_FOR_EACH_ENTRY(pane, &hud->pane_list, head) {
struct hud_graph *gr;
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
hud_graph_set_dump_file(gr, hud_dump_dir);
hud_graph_set_dump_file(gr, hud_dump_dir, to_stdout);
}
}
}
@@ -1584,6 +1594,7 @@ print_help(struct pipe_screen *screen)
puts(" Example: GALLIUM_HUD=\".w256.h64.x1600.y520.d.c1000fps+cpu,.datom-count\"");
puts("");
puts(" Available names:");
puts(" stdout (prints the counters value to stdout)");
puts(" fps");
puts(" frametime");
puts(" cpu");