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expo: Add test mode to display frame count

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When expo-test is enabled, show the frame count in the top right of the
display. This allows an easy visual check that expo is working correctly,
and provides an indication of performance.

Add a test for this also.

Co-developed-by: Claude <noreply@anthropic.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-10-03 07:52:58 -06:00
parent f95a85e1a6
commit 6825579c41
4 changed files with 143 additions and 4 deletions
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66
test/boot/expo.c
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@@ -7,6 +7,7 @@
#include <command.h>
#include <dm.h>
#include <expo.h>
#include <expo_test.h>
#include <menu.h>
#include <video.h>
#include <linux/input.h>
@@ -1097,3 +1098,68 @@ static int expo_mouse_click(struct unit_test_state *uts)
return 0;
}
BOOTSTD_TEST(expo_mouse_click, UTF_DM | UTF_SCAN_FDT);
static int expo_test_mode(struct unit_test_state *uts)
{
struct scene_obj_menu *menu;
struct abuf buf, logo_copy;
struct udevice *dev;
struct scene *scn;
struct expo *exp;
ut_assertok(create_test_expo(uts, &exp, &scn, &menu, &buf, &logo_copy));
dev = exp->display;
/* Check test mode is initially off */
ut_asserteq(false, exp->test->enabled);
/* Entering expo mode without expotest env var keeps it off */
expo_enter_mode(exp);
ut_asserteq(false, exp->test->enabled);
expo_exit_mode(exp);
/* Enable test mode */
ut_assertok(env_set("expotest", "1"));
expo_enter_mode(exp);
ut_asserteq(true, exp->test->enabled);
/* Check initial render count */
ut_asserteq(0, exp->test->render_count);
/* Render and check count increments */
ut_assertok(expo_set_scene_id(exp, scn->id));
ut_assertok(scene_arrange(scn));
ut_assertok(expo_render(exp));
ut_asserteq(1, exp->test->render_count);
ut_assertok(expo_render(exp));
ut_asserteq(2, exp->test->render_count);
/* Test that expo_enter_mode() resets the counter */
expo_exit_mode(exp);
expo_enter_mode(exp);
ut_asserteq(0, exp->test->render_count);
ut_assertok(expo_render(exp));
ut_asserteq(1, exp->test->render_count);
expo_exit_mode(exp);
/* Disable test mode */
ut_assertok(env_set("expotest", "0"));
expo_enter_mode(exp);
ut_asserteq(false, exp->test->enabled);
expo_exit_mode(exp);
/* Check test mode is off when env var is unset */
ut_assertok(env_set("expotest", NULL));
expo_enter_mode(exp);
ut_asserteq(false, exp->test->enabled);
expo_exit_mode(exp);
ut_assertok(env_set("expotest", NULL));
abuf_uninit(&buf);
abuf_uninit(&logo_copy);
expo_destroy(exp);
return 0;
}
BOOTSTD_TEST(expo_test_mode, UTF_DM | UTF_SCAN_FDT | UTF_CONSOLE);