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feat(gltf): allow sharing models across gltf objects (#9681)

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This commit is contained in:
André Costa
2026-02-26 15:23:47 +01:00
committed by GitHub
parent b3c45b126f
commit 65192290e6
21 changed files with 765 additions and 331 deletions
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demos/gltf/lv_demo_gltf.c
+31 -16
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@@ -40,19 +40,25 @@ typedef struct {
lv_obj_t * label;
} play_pause_event_data_t;
typedef void (*lv_gltf_set_float_fn)(lv_obj_t *, float);
typedef void (*lv_gltf_set_int_fn)(lv_obj_t *, uint32_t);
typedef void (*lv_gltf_set_float_cb_t)(lv_obj_t *, float);
typedef void (*lv_gltf_set_int_cb_t)(lv_obj_t *, uint32_t);
typedef void (*lv_gltf_model_set_int_fn)(lv_gltf_model_t *, uint32_t);
typedef union {
void * ptr;
lv_gltf_set_float_fn fn;
lv_gltf_set_float_cb_t cb;
} lv_gltf_set_float_fn_union_t;
typedef union {
void * ptr;
lv_gltf_set_int_fn fn;
lv_gltf_set_int_cb_t cb;
} lv_gltf_set_int_fn_union_t;
typedef union {
void * ptr;
lv_gltf_set_int_cb_t cb;
} lv_gltf_model_set_int_fn_union_t;
/**********************
* STATIC PROTOTYPES
**********************/
@@ -77,6 +83,7 @@ static lv_obj_t * add_dropdown_to_row(lv_obj_t * row);
static void viewer_observer_float_cb(lv_observer_t * observer, lv_subject_t * subject);
static void viewer_observer_int_cb(lv_observer_t * observer, lv_subject_t * subject);
static void animation_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
static void animation_speed_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
static void style_dropdown(lv_obj_t * dropdown);
static void style_slider(lv_obj_t * slider, lv_color_t accent_color);
static void style_control_panel(lv_obj_t * panel);
@@ -85,16 +92,15 @@ static void style_control_panel(lv_obj_t * panel);
* STATIC VARIABLES
**********************/
static lv_gltf_set_float_fn_union_t pitch_fn = { .fn = lv_gltf_set_pitch };
static lv_gltf_set_float_fn_union_t yaw_fn = { .fn = lv_gltf_set_yaw };
static lv_gltf_set_float_fn_union_t distance_fn = { .fn = lv_gltf_set_distance };
static lv_gltf_set_int_fn_union_t camera_fn = { .fn = lv_gltf_set_camera };
static lv_gltf_set_int_fn_union_t animation_speed_fn = { .fn = lv_gltf_set_animation_speed };
static lv_gltf_set_int_fn_union_t background_mode_fn = { .fn = lv_gltf_set_background_mode };
static lv_gltf_set_int_fn_union_t antialiasing_mode_fn = { .fn = lv_gltf_set_antialiasing_mode };
static lv_gltf_set_float_fn_union_t pitch_fn = { .cb = lv_gltf_set_pitch };
static lv_gltf_set_float_fn_union_t yaw_fn = { .cb = lv_gltf_set_yaw };
static lv_gltf_set_float_fn_union_t distance_fn = { .cb = lv_gltf_set_distance };
static lv_gltf_set_int_fn_union_t camera_fn = { .cb = lv_gltf_set_camera };
static lv_gltf_set_int_fn_union_t background_mode_fn = { .cb = lv_gltf_set_background_mode };
static lv_gltf_set_int_fn_union_t antialiasing_mode_fn = { .cb = lv_gltf_set_antialiasing_mode };
static lv_gltf_set_int_fn_union_t env_brightness_fn = { .fn = lv_gltf_set_env_brightness };
static lv_gltf_set_int_fn_union_t bg_blur_fn = { .fn = lv_gltf_set_background_blur };
static lv_gltf_set_int_fn_union_t env_brightness_fn = { .cb = lv_gltf_set_env_brightness };
static lv_gltf_set_int_fn_union_t bg_blur_fn = { .cb = lv_gltf_set_background_blur };
static lv_subject_t yaw_subject;
static lv_subject_t pitch_subject;
@@ -165,7 +171,7 @@ static void init_subjects(lv_obj_t * viewer)
lv_subject_add_observer_obj(&distance_subject, viewer_observer_float_cb, viewer, distance_fn.ptr);
lv_subject_add_observer(&animation_subject, animation_observer_cb, viewer);
lv_subject_add_observer_obj(&animation_speed_subject, viewer_observer_int_cb, viewer, animation_speed_fn.ptr);
lv_subject_add_observer(&animation_speed_subject, animation_speed_observer_cb, viewer);
lv_subject_add_observer_obj(&background_subject, viewer_observer_int_cb, viewer, background_mode_fn.ptr);
lv_subject_add_observer_obj(&env_brightness_subject, viewer_observer_int_cb, viewer, env_brightness_fn.ptr);
@@ -497,7 +503,7 @@ static void viewer_observer_float_cb(lv_observer_t * observer, lv_subject_t * su
float value = lv_subject_get_float(subject);
lv_gltf_set_float_fn_union_t fn_union = { .ptr = lv_observer_get_user_data(observer) };
fn_union.fn(viewer, value);
fn_union.cb(viewer, value);
}
static void viewer_observer_int_cb(lv_observer_t * observer, lv_subject_t * subject)
@@ -506,7 +512,7 @@ static void viewer_observer_int_cb(lv_observer_t * observer, lv_subject_t * subj
lv_gltf_set_int_fn_union_t fn_union = { .ptr = lv_observer_get_user_data(observer) };
lv_obj_t * viewer = lv_observer_get_target_obj(observer);
fn_union.fn(viewer, value);
fn_union.cb(viewer, value);
}
static void animation_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
@@ -517,6 +523,15 @@ static void animation_observer_cb(lv_observer_t * observer, lv_subject_t * subje
lv_gltf_model_play_animation(model, value);
}
static void animation_speed_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
{
int value = lv_subject_get_int(subject);
lv_obj_t * viewer = lv_observer_get_user_data(observer);
lv_gltf_model_t * model = lv_gltf_get_primary_model(viewer);
lv_gltf_model_set_animation_speed(model, value);
}
static void style_slider(lv_obj_t * slider, lv_color_t accent_color)
{
lv_obj_set_style_bg_color(slider, lv_color_hex(0x1A1A1A), LV_PART_MAIN);