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fix: count a desktop window game's frames for the performance HUD

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maxjivi05 authored and MaxsTechReview committed 2026-10-26 10:50:19 -04:00
1 parent e492a78f55
commit 30da4d2bcd
1 file changed
+32 -10
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app/src/main/cpp/waylandcomp/src/compositor.c
+32 -10
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@@ -207,6 +207,7 @@ struct surface {
int buf_w, buf_h, has_content;
int buf_alpha;
int opaque[4], pending_opaque[4], pending_opaque_set;
int64_t damage_max, pending_damage_max;
int src_set, dst_set;
float src[4];
int dst[2];
@@ -624,6 +625,15 @@ static void fire_frames(struct wl_list *frames) {
}
}
static void scene_size(int *w, int *h);
static struct surface *g_hud_surface;
static int64_t g_hud_last_ns, g_hud_alive_ns;
static int g_hud_fresh;
static uint64_t g_game_frames;
extern void droiddeck_on_game_surface(const char *window, const char *gpu);
extern void droiddeck_on_game_frame(void);
extern void droiddeck_on_game_program(int pid, const char *program);
static void take_shm(struct surface *s, struct wl_shm_buffer *shm, struct wl_resource *buffer) {
int32_t w = wl_shm_buffer_get_width(shm), h = wl_shm_buffer_get_height(shm);
int32_t stride = wl_shm_buffer_get_stride(shm);
@@ -646,6 +656,14 @@ static void take_shm(struct surface *s, struct wl_shm_buffer *shm, struct wl_res
g_stat_shm++;
struct client_info *ci = client_info_of(wl_resource_get_client(s->resource));
if (ci && ci->asked_feedback) ci->shm_frames++;
const int64_t area = (int64_t)w * h, damaged = s->damage_max < area ? s->damage_max : area;
if (damaged * 16 >= area && (!g_hud_surface || now_ns() - g_hud_alive_ns > 1000000000LL)) {
const struct surface *top = s;
int scene_w, scene_h, depth = 0;
while (top->parent && depth++ < 8) top = top->parent;
scene_size(&scene_w, &scene_h);
if (top->role == ROLE_TOPLEVEL && area * 2 >= (int64_t)scene_w * scene_h) droiddeck_on_game_frame();
}
}
static void take_pixel(struct surface *s, const uint8_t bgra[4], struct wl_resource *buffer) {
@@ -662,14 +680,6 @@ static void take_pixel(struct surface *s, const uint8_t bgra[4], struct wl_resou
s->has_content = s->shm_img != NULL;
}
static struct surface *g_hud_surface;
static int64_t g_hud_last_ns, g_hud_alive_ns;
static int g_hud_fresh;
static uint64_t g_game_frames;
extern void droiddeck_on_game_surface(const char *window, const char *gpu);
extern void droiddeck_on_game_frame(void);
extern void droiddeck_on_game_program(int pid, const char *program);
static void take_dmabuf(struct surface *s, struct dmabuf_buffer *b, struct wl_resource *buffer) {
const int repeat = s->dmabuf == buffer && s->dmabuf_buf == b;
if (!repeat) {
@@ -786,8 +796,16 @@ static void surface_attach(struct wl_client *c, struct wl_resource *r,
wl_resource_add_destroy_listener(buffer, &s->pending_buffer_destroy);
}
}
static void note_damage(struct wl_resource *r, int32_t w, int32_t h) {
struct surface *s = wl_resource_get_user_data(r);
if (w <= 0 || h <= 0) return;
const int64_t area = (int64_t)(w < 65536 ? w : 65536) * (h < 65536 ? h : 65536);
if (area > s->pending_damage_max) s->pending_damage_max = area;
}
static void surface_damage(struct wl_client *c, struct wl_resource *r,
int32_t x, int32_t y, int32_t w, int32_t h) {}
int32_t x, int32_t y, int32_t w, int32_t h) {
note_damage(r, w, h);
}
static void frame_callback_destroy(struct wl_resource *r) {
wl_list_remove(wl_resource_get_link(r));
}
@@ -987,6 +1005,8 @@ static void surface_commit(struct wl_client *c, struct wl_resource *r) {
s->pending_opaque_set = 0;
}
s->damage_max = s->pending_damage_max;
s->pending_damage_max = 0;
if (s->pending_attach) {
struct wl_resource *buffer = s->pending_buffer;
struct dmabuf_buffer *db = get_dmabuf(buffer);
@@ -1051,7 +1071,9 @@ static void surface_commit(struct wl_client *c, struct wl_resource *r) {
static void surface_set_buffer_transform(struct wl_client *c, struct wl_resource *r, int32_t t) {}
static void surface_set_buffer_scale(struct wl_client *c, struct wl_resource *r, int32_t s) {}
static void surface_damage_buffer(struct wl_client *c, struct wl_resource *r,
int32_t x, int32_t y, int32_t w, int32_t h) {}
int32_t x, int32_t y, int32_t w, int32_t h) {
note_damage(r, w, h);
}
static void surface_offset(struct wl_client *c, struct wl_resource *r, int32_t x, int32_t y) {}
static const struct wl_surface_interface surface_impl = {