void compositor_init_layer3d(GF_Compositor *compositor, GF_Node *node)
{
Layer3DStack *stack;
GF_SAFEALLOC(stack, Layer3DStack);
if (!stack) {
GF_LOG(GF_LOG_ERROR, GF_LOG_COMPOSE, ("[Compositor] Failed to allocate layer 3d stack\n"));
return;
}
stack->visual = visual_new(compositor);
stack->visual->type_3d = 2;
stack->visual->camera.is_3D = 1;
stack->visual->camera.visibility = 0;
stack->visual->camera.speed = FIX_ONE;
camera_invalidate(&stack->visual->camera);
stack->first = 1;
stack->txh.compositor = compositor;
stack->drawable = drawable_new();
stack->drawable->node = node;
stack->drawable->flags = DRAWABLE_USE_TRAVERSE_DRAW;
gf_node_set_private(node, stack);
gf_node_set_callback_function(node, TraverseLayer3D);
}
void compositor_init_compositetexture3d(GF_Compositor *compositor, GF_Node *node)
{
M_CompositeTexture3D *c3d = (M_CompositeTexture3D *)node;
CompositeTextureStack *st;
GF_SAFEALLOC(st, CompositeTextureStack);
st->sensors = gf_list_new();
st->previous_sensors = gf_list_new();
gf_sc_texture_setup(&st->txh, compositor, node);
/*remove texture from compositor and add it at the end, so that any sub-textures are handled before*/
gf_list_del_item(compositor->textures, &st->txh);
gf_list_add(compositor->textures, &st->txh);
st->txh.update_texture_fcnt = composite_update;
if (c3d->repeatS) st->txh.flags |= GF_SR_TEXTURE_REPEAT_S;
if (c3d->repeatT) st->txh.flags |= GF_SR_TEXTURE_REPEAT_T;
/*create composite visual*/
st->visual = visual_new(compositor);
st->visual->offscreen = node;
st->visual->GetSurfaceAccess = composite_get_video_access;
st->visual->ReleaseSurfaceAccess = composite_release_video_access;
st->first = 1;
st->visual->compositor = compositor;
gf_node_set_private(node, st);
gf_node_set_callback_function(node, composite_traverse);
gf_sc_visual_register(compositor, st->visual);
#ifdef GPAC_USE_TINYGL
st->visual->type_3d = 2;
st->visual->camera.is_3D = 1;
#else
if (! (compositor->video_out->hw_caps & GF_VIDEO_HW_OPENGL_OFFSCREEN)) {
st->visual->type_3d = 0;
st->visual->camera.is_3D = 0;
} else {
st->visual->type_3d = 2;
st->visual->camera.is_3D = 1;
}
#endif
camera_invalidate(&st->visual->camera);
}
static void TraverseUntransform(GF_Node *node, void *rs, Bool is_destroy)
{
UntransformStack *stack = (UntransformStack *)gf_node_get_private(node);
GF_TraverseState *tr_state = (GF_TraverseState *) rs;
if (is_destroy) {
gf_free(stack);
return;
}
if (tr_state->traversing_mode==TRAVERSE_SORT) {
if (gf_node_dirty_get(node)) {
Untransform_GetNode(node, &stack->untr); /*lets place it below*/
gf_node_dirty_clear(node, GF_SG_NODE_DIRTY);
}
}
#ifndef GPAC_DISABLE_3D
if (tr_state->visual->type_3d) {
GF_Matrix mx_model;
GF_Camera backup_cam;
if (!tr_state->camera) return;
gf_mx_copy(mx_model, tr_state->model_matrix);
gf_mx_init(tr_state->model_matrix);
memcpy(&backup_cam, tr_state->camera, sizeof(GF_Camera));
camera_invalidate(tr_state->camera);
tr_state->camera->is_3D=0;
tr_state->camera->flags |= CAM_NO_LOOKAT;
tr_state->camera->end_zoom = FIX_ONE;
camera_update(tr_state->camera, NULL, 1);
if (tr_state->traversing_mode == TRAVERSE_SORT) {
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_PROJECTION);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->projection.m);
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_MODELVIEW);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->modelview.m);
visual_3d_set_viewport(tr_state->visual, tr_state->camera->vp);
gf_node_traverse_children((GF_Node *)&stack->untr, tr_state);
gf_mx_copy(tr_state->model_matrix, mx_model);
memcpy(tr_state->camera, &backup_cam, sizeof(GF_Camera));
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_PROJECTION);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->projection.m);
visual_3d_set_matrix_mode(tr_state->visual, V3D_MATRIX_MODELVIEW);
visual_3d_matrix_load(tr_state->visual, tr_state->camera->modelview.m);
visual_3d_set_viewport(tr_state->visual, tr_state->camera->vp);
} else if (tr_state->traversing_mode == TRAVERSE_PICK) {
Fixed prev_dist = tr_state->visual->compositor->hit_square_dist;
GF_Ray r = tr_state->ray;
tr_state->ray.orig.x = INT2FIX(tr_state->pick_x);
tr_state->ray.orig.y = INT2FIX(tr_state->pick_y);
tr_state->ray.orig.z = 0;
tr_state->ray.dir.x = 0;
tr_state->ray.dir.y = 0;
tr_state->ray.dir.z = -FIX_ONE;
tr_state->visual->compositor->hit_square_dist=0;
gf_node_traverse_children((GF_Node *)&stack->untr, tr_state);
gf_mx_copy(tr_state->model_matrix, mx_model);
memcpy(tr_state->camera, &backup_cam, sizeof(GF_Camera));
tr_state->ray = r;
/*nothing picked, restore previous pick*/
if (!tr_state->visual->compositor->hit_square_dist)
tr_state->visual->compositor->hit_square_dist = prev_dist;
} else {
gf_node_traverse_children((GF_Node *)&stack->untr, tr_state);
gf_mx_copy(tr_state->model_matrix, mx_model);
memcpy(tr_state->camera, &backup_cam, sizeof(GF_Camera));
}
} else
#endif
{
GF_Matrix2D mx2d_backup;
gf_mx2d_copy(mx2d_backup, tr_state->transform);
gf_mx2d_init(tr_state->transform);
group_2d_traverse((GF_Node *)&stack->untr, (GroupingNode2D *)stack, tr_state);
gf_mx2d_copy(tr_state->transform, mx2d_backup);
}
}
