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/* test_overlay_suppress.c — §10.5 叠加让位 present 自抑宿主验证(离屏 480x720,16bpp)。
*
* 背景:媒体播放中的 App 前台唤起通知中心时 launcher 不 SIGSTOP(保 PCM 供流),改由 SDK
* present 层见 /tmp/meow_notif_active(宿主用 MEOW_NOTIF_ACTIVE_FILE 覆写)自抑上屏;
* 批①后台常驻后标记**内容化**:内容=当前前台 app_id(空=菜单/叠加=全抑制)。本测试同时验证
* 批①多 App 常驻的「前台/后台」判定:内容==本进程 app_id(env MEOW_LOG_APP)→ 前台不抑制;
* 内容为其它 app_id / 空 → 后台常驻/被覆盖 → 自抑。
*
* 覆盖:
* T1 无标记:flush 正常上屏(frames_presented 递增,抑制计数 0);
* T2 标记=其它 app_id(后台常驻)→ 抑制(只画进 back_buf 不上屏:frames 不变、计数递增);
* T2b 抑制期第二次 flush 仍被抑制(200ms 节流缓存内行为一致);
* T2c 标记=自身 app_id(前台 App)→ 不抑制(恢复上屏,恢复边沿整帧重画;计数不再增长);
* T3 标记=空内容(菜单/叠加全抑制)→ 仍抑制;
* T3b 标记消失 → 恢复上屏(抑制期累积脏区一次上屏,无需重画);
* T4 系统 UI 进程(launcher,system_mode=1)即使有标记也不抑制(面板必须照常上屏)。
*
* 编译(宿主 gcc,链真实 gfx/sys/theme/vol/log/widget/input/activity/dialog/ime + 打桩 font/global):
* gcc -Wall -Wextra -o test_overlay_suppress test_overlay_suppress.c test_host_stub.c \
* meow_ui_gfx.c meow_ui_sys.c meow_ui_theme.c meow_ui_vol.c meow_ui_log.c \
* meow_ui_widget.c meow_ui_input.c meow_ui_activity.c meow_ui_dialog.c meow_ui_ime.c meow_ui_str.c \
* meow_ui_draw.c meow_ui_view.c meow_notify_ipc.c \
* -I. -I../meow_launcherd -DMEOW_UI_HOST_TEST -pthread
*/
#include "meow_ui.h"
#include "meow_ui_internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <fcntl.h>
#define MARKER "/tmp/test_notif_active_sdk"
#define SELF_ID "testapp"
static void marker_write(const char *content)
{
int fd = open(MARKER, O_WRONLY | O_CREAT | O_TRUNC, 0644);
assert(fd >= 0);
if (content && content[0]) {
if (write(fd, content, strlen(content)) < 0) assert(0);
}
close(fd);
}
int main(void)
{
setenv("MEOW_UI_DUMP", "/tmp/overlay_suppress.ppm", 1);
setenv("MEOW_NOTIF_ACTIVE_FILE", MARKER, 1);
setenv("MEOW_LOG_APP", SELF_ID, 1); /* 本测试进程身份=前台/后台的判定锚 */
unlink(MARKER);
meow_ui_opts o = { 480, 720 };
assert(meow_ui_init(&o) == 0);
meow_ui_set_refresh_always_max(1); /* 绕过帧率门控:每次 flush 都直达 present 判定 */
/* T1:无标记正常上屏(默认 App 进程模式:render_enabled==0) */
assert(meow_ui_sys_render_enabled() == 0);
meow_ui_clear(0x112233);
meow_ui_flush();
assert(meow_ui_frames_presented() == 1);
assert(meow_gfx_overlay_suppressed_count() == 0);
printf("T1 PASS: no marker -> presented=1 suppressed=0\n");
/* T2:标记=其它 app_id(后台常驻 App)→ 抑制(等 >200ms 越过存在性节流缓存) */
marker_write("ncm");
usleep(250000);
unsigned long long f0 = meow_ui_frames_presented();
meow_ui_clear(0x223344);
meow_ui_flush();
assert(meow_ui_frames_presented() == f0);
assert(meow_gfx_overlay_suppressed_count() == 1);
printf("T2 PASS: marker=other app -> suppressed (frames frozen at %llu)\n", f0);
/* T2b:抑制期再次 flush 仍抑制(节流缓存内一致) */
meow_ui_clear(0x334455);
meow_ui_flush();
assert(meow_ui_frames_presented() == f0);
assert(meow_gfx_overlay_suppressed_count() == 2);
printf("T2b PASS: still suppressed within throttle window\n");
/* T2c:标记=自身 app_id(前台 App)→ 不抑制(批①前后台判定核心;恢复边沿整帧重画一次上屏) */
marker_write(SELF_ID);
usleep(250000);
meow_ui_clear(0x445566);
meow_ui_flush();
assert(meow_ui_frames_presented() == f0 + 1);
assert(meow_gfx_overlay_suppressed_count() == 2); /* 不再增长(前台不抑制) */
printf("T2c PASS: marker=self -> foreground, present resumed (accumulated dirty flushed)\n");
/* T3:标记=空内容(菜单/叠加层覆盖=全抑制)→ 仍抑制 */
marker_write("");
usleep(250000);
unsigned long long f1 = meow_ui_frames_presented();
meow_ui_clear(0x556677);
meow_ui_flush();
assert(meow_ui_frames_presented() == f1);
assert(meow_gfx_overlay_suppressed_count() == 3);
printf("T3 PASS: empty marker (menu/overlay) -> suppressed\n");
/* T3b:标记消失 → 恢复上屏(抑制期累积的整帧脏一次上屏) */
unlink(MARKER);
usleep(250000);
meow_ui_flush();
assert(meow_ui_frames_presented() == f1 + 1);
assert(meow_gfx_overlay_suppressed_count() == 3);
printf("T3b PASS: marker gone -> present resumed (accumulated dirty flushed)\n");
/* T4:系统 UI 进程(launcher)不抑制——通知中心面板本身必须照常上屏 */
meow_ui_sys_set_system_mode(1);
assert(meow_ui_sys_render_enabled() == 1);
marker_write("ncm");
usleep(250000);
unsigned long long f2 = meow_ui_frames_presented();
meow_ui_clear(0x667788);
meow_ui_flush();
assert(meow_ui_frames_presented() == f2 + 1);
assert(meow_gfx_overlay_suppressed_count() == 3); /* 不再增长 */
unlink(MARKER);
printf("T4 PASS: system-UI process (launcher) never suppressed\n");
meow_ui_shutdown();
printf("ALL PASS\n");
return 0;
}