1 files changed, 52 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/DetectDiscontinuity.cpp b/src/3rdparty/angle/src/compiler/translator/DetectDiscontinuity.cpp
index 334eb0bfa8..f98d32b2b7 100644
--- a/src/3rdparty/angle/src/compiler/translator/DetectDiscontinuity.cpp
+++ b/src/3rdparty/angle/src/compiler/translator/DetectDiscontinuity.cpp
@@ -14,6 +14,9 @@
 
 namespace sh
 {
+
+// Detect Loop Discontinuity
+
 bool DetectLoopDiscontinuity::traverse(TIntermNode *node)
 {
     mLoopDepth = 0;
@@ -74,6 +77,55 @@ bool containsLoopDiscontinuity(TIntermNode *node)
     return detectLoopDiscontinuity.traverse(node);
 }
 
+// Detect Any Loop
+
+bool DetectAnyLoop::traverse(TIntermNode *node)
+{
+    mHasLoop = false;
+    node->traverse(this);
+    return mHasLoop;
+}
+
+bool DetectAnyLoop::visitLoop(Visit visit, TIntermLoop *loop)
+{
+    mHasLoop = true;
+    return false;
+}
+
+// The following definitions stop all traversal when we have found a loop
+bool DetectAnyLoop::visitBinary(Visit, TIntermBinary *)
+{
+    return !mHasLoop;
+}
+
+bool DetectAnyLoop::visitUnary(Visit, TIntermUnary *)
+{
+    return !mHasLoop;
+}
+
+bool DetectAnyLoop::visitSelection(Visit, TIntermSelection *)
+{
+    return !mHasLoop;
+}
+
+bool DetectAnyLoop::visitAggregate(Visit, TIntermAggregate *)
+{
+    return !mHasLoop;
+}
+
+bool DetectAnyLoop::visitBranch(Visit, TIntermBranch *)
+{
+    return !mHasLoop;
+}
+
+bool containsAnyLoop(TIntermNode *node)
+{
+    DetectAnyLoop detectAnyLoop;
+    return detectAnyLoop.traverse(node);
+}
+
+// Detect Gradient Operation
+
 bool DetectGradientOperation::traverse(TIntermNode *node)
 {
     mGradientOperation = false;