void wm_draw_data_free(wmWindow *win)
{
wmDrawData *dd;
for (dd = win->drawdata.first; dd; dd = dd->next) {
wm_draw_triple_free(dd->triple);
}
BLI_freelistN(&win->drawdata);
}
void wm_draw_window_clear(wmWindow *win)
{
bScreen *screen = win->screen;
ScrArea *sa;
ARegion *ar;
int drawmethod = wm_automatic_draw_method(win);
if (drawmethod == USER_DRAW_TRIPLE)
wm_draw_triple_free(win);
/* clear screen swap flags */
if (screen) {
for (sa = screen->areabase.first; sa; sa = sa->next)
for (ar = sa->regionbase.first; ar; ar = ar->next)
ar->swap = WIN_NONE_OK;
screen->swap = WIN_NONE_OK;
}
}
static void wm_method_draw_triple(bContext *C, wmWindow *win)
{
wmWindowManager *wm = CTX_wm_manager(C);
wmDrawTriple *triple;
wmDrawData *dd, *dd_next, *drawdata = win->drawdata.first;
bScreen *screen = win->screen;
ScrArea *sa;
ARegion *ar;
int copytex = false;
if (drawdata && drawdata->triple) {
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_addhead(&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;
}
}
/* it means stereo was just turned off */
/* note: we are removing all drawdatas that are not the first */
for (dd = drawdata->next; dd; dd = dd_next) {
dd_next = dd->next;
BLI_remlink(&win->drawdata, dd);
wm_draw_triple_free(dd->triple);
MEM_freeN(dd);
}
triple = drawdata->triple;
/* draw marked area regions */
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->do_draw) {
if (ar->overlap == false) {
CTX_wm_region_set(C, ar);
ED_region_do_draw(C, ar);
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);
}
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);
ar->do_draw = false;
CTX_wm_region_set(C, NULL);
wm_draw_region_blend(win, ar, triple);
}
}
CTX_wm_area_set(C, NULL);
}
/* after area regions so we can do area 'overlay' drawing */
ED_screen_draw(win);
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);
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);
}
}
