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Diffstat (limited to 'source/blender/depsgraph/intern/eval/deg_eval.cc')
-rw-r--r--source/blender/depsgraph/intern/eval/deg_eval.cc82
1 files changed, 61 insertions, 21 deletions
diff --git a/source/blender/depsgraph/intern/eval/deg_eval.cc b/source/blender/depsgraph/intern/eval/deg_eval.cc
index 47f2a8ca219..426e04a5cf9 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval.cc
@@ -37,6 +37,7 @@
#include "intern/eval/deg_eval_copy_on_write.h"
#include "intern/eval/deg_eval_flush.h"
#include "intern/eval/deg_eval_stats.h"
+#include "intern/eval/deg_eval_visibility.h"
#include "intern/node/deg_node.h"
#include "intern/node/deg_node_component.h"
#include "intern/node/deg_node_id.h"
@@ -69,6 +70,9 @@ enum class EvaluationStage {
* involved. */
COPY_ON_WRITE,
+ /* Evaluate actual ID nodes visiblity based on the current state of animation and drivers. */
+ DYNAMIC_VISIBILITY,
+
/* Threaded evaluation of all possible operations. */
THREADED_EVALUATION,
@@ -83,7 +87,8 @@ struct DepsgraphEvalState {
Depsgraph *graph;
bool do_stats;
EvaluationStage stage;
- bool need_single_thread_pass;
+ bool need_update_pending_parents = true;
+ bool need_single_thread_pass = false;
};
void evaluate_node(const DepsgraphEvalState *state, OperationNode *operation_node)
@@ -122,24 +127,31 @@ void deg_task_run_func(TaskPool *pool, void *taskdata)
schedule_children(state, operation_node, schedule_node_to_pool, pool);
}
-bool check_operation_node_visible(OperationNode *op_node)
+bool check_operation_node_visible(const DepsgraphEvalState *state, OperationNode *op_node)
{
const ComponentNode *comp_node = op_node->owner;
- /* Special exception, copy on write component is to be always evaluated,
- * to keep copied "database" in a consistent state. */
+ /* Special case for copy on write component: it is to be always evaluated, to keep copied
+ * "database" in a consistent state. */
if (comp_node->type == NodeType::COPY_ON_WRITE) {
return true;
}
- return comp_node->affects_directly_visible;
+
+ /* Special case for dynamic visiblity pass: the actual visibility is not yet known, so limit to
+ * only operations which affects visibility. */
+ if (state->stage == EvaluationStage::DYNAMIC_VISIBILITY) {
+ return op_node->flag & OperationFlag::DEPSOP_FLAG_AFFECTS_VISIBILITY;
+ }
+
+ return comp_node->affects_visible_id;
}
-void calculate_pending_parents_for_node(OperationNode *node)
+void calculate_pending_parents_for_node(const DepsgraphEvalState *state, OperationNode *node)
{
/* Update counters, applies for both visible and invisible IDs. */
node->num_links_pending = 0;
node->scheduled = false;
/* Invisible IDs requires no pending operations. */
- if (!check_operation_node_visible(node)) {
+ if (!check_operation_node_visible(state, node)) {
return;
}
/* No need to bother with anything if node is not tagged for update. */
@@ -153,7 +165,7 @@ void calculate_pending_parents_for_node(OperationNode *node)
* calculation, but how is it possible that visible object depends
* on an invisible? This is something what is prohibited after
* deg_graph_build_flush_layers(). */
- if (!check_operation_node_visible(from)) {
+ if (!check_operation_node_visible(state, from)) {
continue;
}
/* No need to wait for operation which is up to date. */
@@ -165,20 +177,24 @@ void calculate_pending_parents_for_node(OperationNode *node)
}
}
-void calculate_pending_parents(Depsgraph *graph)
+void calculate_pending_parents_if_needed(DepsgraphEvalState *state)
{
- for (OperationNode *node : graph->operations) {
- calculate_pending_parents_for_node(node);
+ if (!state->need_update_pending_parents) {
+ return;
}
+
+ for (OperationNode *node : state->graph->operations) {
+ calculate_pending_parents_for_node(state, node);
+ }
+
+ state->need_update_pending_parents = false;
}
void initialize_execution(DepsgraphEvalState *state, Depsgraph *graph)
{
- const bool do_stats = state->do_stats;
- calculate_pending_parents(graph);
/* Clear tags and other things which needs to be clear. */
- for (OperationNode *node : graph->operations) {
- if (do_stats) {
+ if (state->do_stats) {
+ for (OperationNode *node : graph->operations) {
node->stats.reset_current();
}
}
@@ -203,11 +219,10 @@ bool need_evaluate_operation_at_stage(DepsgraphEvalState *state,
case EvaluationStage::COPY_ON_WRITE:
return (component_node->type == NodeType::COPY_ON_WRITE);
+ case EvaluationStage::DYNAMIC_VISIBILITY:
+ return operation_node->flag & OperationFlag::DEPSOP_FLAG_AFFECTS_VISIBILITY;
+
case EvaluationStage::THREADED_EVALUATION:
- /* Sanity check: copy-on-write node should be evaluated already. This will be indicated by
- * scheduled flag (we assume that scheduled operations have been actually handled by previous
- * stage). */
- BLI_assert(operation_node->scheduled || component_node->type != NodeType::COPY_ON_WRITE);
if (is_metaball_object_operation(operation_node)) {
state->need_single_thread_pass = true;
return false;
@@ -233,7 +248,7 @@ void schedule_node(DepsgraphEvalState *state,
ScheduleFunctionArgs... schedule_function_args)
{
/* No need to schedule nodes of invisible ID. */
- if (!check_operation_node_visible(node)) {
+ if (!check_operation_node_visible(state, node)) {
return;
}
/* No need to schedule operations which are not tagged for update, they are
@@ -317,6 +332,8 @@ void evaluate_graph_threaded_stage(DepsgraphEvalState *state,
{
state->stage = stage;
+ calculate_pending_parents_if_needed(state);
+
schedule_graph(state, schedule_node_to_pool, task_pool);
BLI_task_pool_work_and_wait(task_pool);
}
@@ -328,6 +345,8 @@ void evaluate_graph_single_threaded_if_needed(DepsgraphEvalState *state)
return;
}
+ BLI_assert(!state->need_update_pending_parents);
+
state->stage = EvaluationStage::SINGLE_THREADED_WORKAROUND;
GSQueue *evaluation_queue = BLI_gsqueue_new(sizeof(OperationNode *));
@@ -392,7 +411,6 @@ void deg_evaluate_on_refresh(Depsgraph *graph)
DepsgraphEvalState state;
state.graph = graph;
state.do_stats = graph->debug.do_time_debug();
- state.need_single_thread_pass = false;
/* Prepare all nodes for evaluation. */
initialize_execution(&state, graph);
@@ -403,6 +421,10 @@ void deg_evaluate_on_refresh(Depsgraph *graph)
* that if a dependency graph has a cycle evaluation functions will always "see" valid expanded
* datablock. It might not be evaluated yet, but at least the datablock will be valid.
*
+ * - If there is potentially dynamically changing visibility in the graph update the actual
+ * nodes visibilities, so that actual heavy data evaluation can benefit from knowledge that
+ * something heavy is not currently visible.
+ *
* - Multi-threaded evaluation of all possible nodes.
* Certain operations (and their subtrees) could be ignored. For example, meta-balls are not
* safe from threading point of view, so the threaded evaluation will stop at the metaball
@@ -413,6 +435,24 @@ void deg_evaluate_on_refresh(Depsgraph *graph)
TaskPool *task_pool = deg_evaluate_task_pool_create(&state);
evaluate_graph_threaded_stage(&state, task_pool, EvaluationStage::COPY_ON_WRITE);
+
+ if (graph->has_animated_visibility) {
+ /* Update pending parents including only the ones which are affecting operations which are
+ * affecting visibility. */
+ state.need_update_pending_parents = true;
+
+ evaluate_graph_threaded_stage(&state, task_pool, EvaluationStage::DYNAMIC_VISIBILITY);
+
+ deg_graph_flush_visibility_flags_if_needed(graph);
+
+ /* Update parents to an updated visibility and evaluation stage.
+ *
+ * Need to do it regardless of whether visibility is actually changed or not: current state of
+ * the pending parents are all zeroes because it was previously calculated for only visibility
+ * related nodes and those are fully evaluated by now. */
+ state.need_update_pending_parents = true;
+ }
+
evaluate_graph_threaded_stage(&state, task_pool, EvaluationStage::THREADED_EVALUATION);
BLI_task_pool_free(task_pool);