Merge pull request #59989 from NNesh/fix/clearing_backbuffer

Fixed clearing the back-buffer if canvas group doesn't have any items.
This commit is contained in:
Rémi Verschelde 2022-04-25 22:38:53 +02:00 committed by GitHub
commit 6110561456
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@ -1367,6 +1367,8 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
bool update_skeletons = false;
bool time_used = false;
bool backbuffer_cleared = false;
while (ci) {
if (ci->copy_back_buffer && canvas_group_owner == nullptr) {
backbuffer_copy = true;
@ -1416,11 +1418,12 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
if (ci->canvas_group_owner != nullptr) {
if (canvas_group_owner == nullptr) {
//Canvas group begins here, render until before this item
// Canvas group begins here, render until before this item
if (update_skeletons) {
mesh_storage->update_mesh_instances();
update_skeletons = false;
}
_render_items(p_to_render_target, item_count, canvas_transform_inverse, p_light_list);
item_count = 0;
@ -1428,8 +1431,9 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
if (ci->canvas_group_owner->canvas_group->mode == RS::CANVAS_GROUP_MODE_OPAQUE) {
texture_storage->render_target_copy_to_back_buffer(p_to_render_target, group_rect, false);
} else {
texture_storage->render_target_clear_back_buffer(p_to_render_target, group_rect, Color(0, 0, 0, 0));
} else if (!backbuffer_cleared) {
texture_storage->render_target_clear_back_buffer(p_to_render_target, Rect2i(), Color(0, 0, 0, 0));
backbuffer_cleared = true;
}
backbuffer_copy = false;
@ -1439,6 +1443,11 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
ci->canvas_group_owner = nullptr; //must be cleared
}
if (!backbuffer_cleared && canvas_group_owner == nullptr && ci->canvas_group != nullptr && !backbuffer_copy) {
texture_storage->render_target_clear_back_buffer(p_to_render_target, Rect2i(), Color(0, 0, 0, 0));
backbuffer_cleared = true;
}
if (ci == canvas_group_owner) {
if (update_skeletons) {
mesh_storage->update_mesh_instances();
@ -1461,6 +1470,7 @@ void RendererCanvasRenderRD::canvas_render_items(RID p_to_render_target, Item *p
mesh_storage->update_mesh_instances();
update_skeletons = false;
}
_render_items(p_to_render_target, item_count, canvas_transform_inverse, p_light_list);
item_count = 0;