Fix T101001: crash setting texture node active in certain cases
Code from {rBb0cb0a785475} assumed a texture node `node->id` would always be an image. That is not true though: - could be an object (as reported here with the Point Density node) - could be a textblock (as in the IES Texture node) Acting on these would crash when doing `BKE_image_signal` on them. Now check node id is an image and do nothing otherwise. Also check if an image is actually set in these nodes (if none is, the Image Editor is now also untouched, previously the image in the Image Editor was "cleared" here [set to NULL] -- which does not seems very beneficial) Maniphest Tasks: T101001 Differential Revision: https://developer.blender.org/D15943
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Notes:
blender-bot
2023-02-14 08:24:03 +01:00
Referenced by issue #100749, Blender LTS: Maintenance Task 3.3 Referenced by issue #101001, Regression: Crash when left click on Point Density node
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@ -713,10 +713,12 @@ void ED_node_set_active(
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/* Sync to active texpaint slot, otherwise we can end up painting on a different slot
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* than we are looking at. */
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if (ma->texpaintslot) {
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Image *image = (Image *)node->id;
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for (int i = 0; i < ma->tot_slots; i++) {
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if (ma->texpaintslot[i].ima == image) {
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ma->paint_active_slot = i;
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if (node->id != nullptr && GS(node->id->name) == ID_IM) {
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Image *image = (Image *)node->id;
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for (int i = 0; i < ma->tot_slots; i++) {
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if (ma->texpaintslot[i].ima == image) {
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ma->paint_active_slot = i;
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}
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}
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}
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}
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@ -732,23 +734,26 @@ void ED_node_set_active(
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/* Sync to Image Editor under the following conditions:
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* - current image is not pinned
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* - current image is not a Render Result or ViewerNode (want to keep looking at these) */
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Image *image = (Image *)node->id;
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wmWindowManager *wm = (wmWindowManager *)bmain->wm.first;
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LISTBASE_FOREACH (wmWindow *, win, &wm->windows) {
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const bScreen *screen = WM_window_get_active_screen(win);
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LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
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LISTBASE_FOREACH (SpaceLink *, sl, &area->spacedata) {
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if (sl->spacetype != SPACE_IMAGE) {
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continue;
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if (node->id != nullptr && GS(node->id->name) == ID_IM) {
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Image *image = (Image *)node->id;
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wmWindowManager *wm = (wmWindowManager *)bmain->wm.first;
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LISTBASE_FOREACH (wmWindow *, win, &wm->windows) {
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const bScreen *screen = WM_window_get_active_screen(win);
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LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
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LISTBASE_FOREACH (SpaceLink *, sl, &area->spacedata) {
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if (sl->spacetype != SPACE_IMAGE) {
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continue;
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}
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SpaceImage *sima = (SpaceImage *)sl;
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if (sima->pin) {
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continue;
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}
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if (sima->image &&
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ELEM(sima->image->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE)) {
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continue;
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}
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ED_space_image_set(bmain, sima, image, true);
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}
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SpaceImage *sima = (SpaceImage *)sl;
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if (sima->pin) {
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continue;
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}
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if (sima->image && ELEM(sima->image->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE)) {
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continue;
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}
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ED_space_image_set(bmain, sima, image, true);
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}
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}
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}
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