static bool wm_draw_region_stereo_set(Main *bmain, ScrArea *sa, ARegion *ar, eStereoViews sview)
{
/* We could detect better when stereo is actually needed, by inspecting the
* image in the image editor and sequencer. */
if (!ELEM(ar->regiontype, RGN_TYPE_WINDOW, RGN_TYPE_PREVIEW)) {
return false;
}
switch (sa->spacetype) {
case SPACE_IMAGE: {
if (ar->regiontype == RGN_TYPE_WINDOW) {
SpaceImage *sima = sa->spacedata.first;
sima->iuser.multiview_eye = sview;
return true;
}
break;
}
case SPACE_VIEW3D: {
if (ar->regiontype == RGN_TYPE_WINDOW) {
View3D *v3d = sa->spacedata.first;
if (v3d->camera && v3d->camera->type == OB_CAMERA) {
Camera *cam = v3d->camera->data;
CameraBGImage *bgpic = cam->bg_images.first;
v3d->multiview_eye = sview;
if (bgpic) {
bgpic->iuser.multiview_eye = sview;
}
return true;
}
}
break;
}
case SPACE_NODE: {
if (ar->regiontype == RGN_TYPE_WINDOW) {
SpaceNode *snode = sa->spacedata.first;
if ((snode->flag & SNODE_BACKDRAW) && ED_node_is_compositor(snode)) {
Image *ima = BKE_image_verify_viewer(bmain, IMA_TYPE_COMPOSITE, "Viewer Node");
ima->eye = sview;
return true;
}
}
break;
}
case SPACE_SEQ: {
SpaceSeq *sseq = sa->spacedata.first;
sseq->multiview_eye = sview;
if (ar->regiontype == RGN_TYPE_PREVIEW) {
return true;
}
else if (ar->regiontype == RGN_TYPE_WINDOW) {
return (sseq->draw_flag & SEQ_DRAW_BACKDROP) != 0;
}
}
}
return false;
}
static int sample_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
SpaceNode *snode = CTX_wm_space_node(C);
ARegion *ar = CTX_wm_region(C);
ImageSampleInfo *info;
if (!ED_node_is_compositor(snode) || !(snode->flag & SNODE_BACKDRAW))
return OPERATOR_CANCELLED;
info = MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
info->art = ar->type;
info->draw_handle = ED_region_draw_cb_activate(ar->type, sample_draw, info, REGION_DRAW_POST_PIXEL);
op->customdata = info;
sample_apply(C, op, event);
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
static void wm_method_draw_triple_multiview(bContext *C, wmWindow *win, StereoViews sview)
{
wmWindowManager *wm = CTX_wm_manager(C);
wmDrawData *drawdata;
wmDrawTriple *triple_data, *triple_all;
bScreen *screen = win->screen;
ScrArea *sa;
ARegion *ar;
int copytex = false;
int id;
/* we store the triple_data in sequence to triple_all */
for (id = 0; id < 2; id++) {
drawdata = BLI_findlink(&win->drawdata, (sview * 2) + id);
if (drawdata && drawdata->triple) {
if (id == 0) {
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
wmSubWindowSet(win, screen->mainwin);
wm_triple_draw_textures(win, drawdata->triple, 1.0f);
}
}
else {
/* we run it when we start OR when we turn stereo on */
if (drawdata == NULL) {
drawdata = MEM_callocN(sizeof(wmDrawData), "wmDrawData");
BLI_addtail(&win->drawdata, drawdata);
}
drawdata->triple = MEM_callocN(sizeof(wmDrawTriple), "wmDrawTriple");
if (!wm_triple_gen_textures(win, drawdata->triple)) {
wm_draw_triple_fail(C, win);
return;
}
}
}
triple_data = ((wmDrawData *) BLI_findlink(&win->drawdata, sview * 2))->triple;
triple_all = ((wmDrawData *) BLI_findlink(&win->drawdata, (sview * 2) + 1))->triple;
/* draw marked area regions */
for (sa = screen->areabase.first; sa; sa = sa->next) {
CTX_wm_area_set(C, sa);
switch (sa->spacetype) {
case SPACE_IMAGE:
{
SpaceImage *sima = sa->spacedata.first;
sima->iuser.multiview_eye = sview;
break;
}
case SPACE_VIEW3D:
{
View3D *v3d = sa->spacedata.first;
BGpic *bgpic = v3d->bgpicbase.first;
v3d->multiview_eye = sview;
if (bgpic) bgpic->iuser.multiview_eye = sview;
break;
}
case SPACE_NODE:
{
SpaceNode *snode = sa->spacedata.first;
if ((snode->flag & SNODE_BACKDRAW) && ED_node_is_compositor(snode)) {
Image *ima = BKE_image_verify_viewer(IMA_TYPE_COMPOSITE, "Viewer Node");
ima->eye = sview;
}
break;
}
case SPACE_SEQ:
{
SpaceSeq *sseq = sa->spacedata.first;
sseq->multiview_eye = sview;
break;
}
}
/* draw marked area regions */
for (ar = sa->regionbase.first; ar; ar = ar->next) {
if (ar->swinid && ar->do_draw) {
if (ar->overlap == false) {
CTX_wm_region_set(C, ar);
ED_region_do_draw(C, ar);
if (sview == STEREO_RIGHT_ID)
ar->do_draw = false;
CTX_wm_region_set(C, NULL);
copytex = true;
}
}
}
wm_area_mark_invalid_backbuf(sa);
CTX_wm_area_set(C, NULL);
}
if (copytex) {
wmSubWindowSet(win, screen->mainwin);
wm_triple_copy_textures(win, triple_data);
}
if (wm->paintcursors.first) {
for (sa = screen->areabase.first; sa; sa = sa->next) {
for (ar = sa->regionbase.first; ar; ar = ar->next) {
if (ar->swinid && ar->swinid == screen->subwinactive) {
CTX_wm_area_set(C, sa);
CTX_wm_region_set(C, ar);
/* make region ready for draw, scissor, pixelspace */
ED_region_set(C, ar);
wm_paintcursor_draw(C, ar);
CTX_wm_region_set(C, NULL);
CTX_wm_area_set(C, NULL);
}
}
}
wmSubWindowSet(win, screen->mainwin);
}
/* draw overlapping area regions (always like popups) */
for (sa = screen->areabase.first; sa; sa = sa->next) {
CTX_wm_area_set(C, sa);
for (ar = sa->regionbase.first; ar; ar = ar->next) {
if (ar->swinid && ar->overlap) {
CTX_wm_region_set(C, ar);
ED_region_do_draw(C, ar);
if (sview == STEREO_RIGHT_ID)
ar->do_draw = false;
CTX_wm_region_set(C, NULL);
wm_draw_region_blend(win, ar, triple_data);
}
}
CTX_wm_area_set(C, NULL);
}
/* after area regions so we can do area 'overlay' drawing */
ED_screen_draw(win);
if (sview == STEREO_RIGHT_ID)
win->screen->do_draw = false;
/* draw floating regions (menus) */
for (ar = screen->regionbase.first; ar; ar = ar->next) {
if (ar->swinid) {
CTX_wm_menu_set(C, ar);
ED_region_do_draw(C, ar);
if (sview == STEREO_RIGHT_ID)
ar->do_draw = false;
CTX_wm_menu_set(C, NULL);
}
}
/* always draw, not only when screen tagged */
if (win->gesture.first)
wm_gesture_draw(win);
/* needs pixel coords in screen */
if (wm->drags.first) {
wm_drags_draw(C, win, NULL);
}
/* copy the ui + overlays */
wmSubWindowSet(win, screen->mainwin);
wm_triple_copy_textures(win, triple_all);
}
