1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.h b/gfx/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.h
new file mode 100644
index 0000000000..b8c7e82956
--- /dev/null
+++ b/gfx/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.h
@@ -0,0 +1,39 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_TRANSLATOR_TIMING_RESTRICTFRAGMENTSHADERTIMING_H_
+#define COMPILER_TRANSLATOR_TIMING_RESTRICTFRAGMENTSHADERTIMING_H_
+
+#include "compiler/translator/IntermNode.h"
+#include "compiler/translator/depgraph/DependencyGraph.h"
+
+class TInfoSinkBase;
+
+class RestrictFragmentShaderTiming : TDependencyGraphTraverser
+{
+  public:
+    RestrictFragmentShaderTiming(TInfoSinkBase &sink);
+    void enforceRestrictions(const TDependencyGraph &graph);
+    int numErrors() const { return mNumErrors; }
+
+    void visitArgument(TGraphArgument *parameter) override;
+    void visitSelection(TGraphSelection *selection) override;
+    void visitLoop(TGraphLoop *loop) override;
+    void visitLogicalOp(TGraphLogicalOp *logicalOp) override;
+
+  private:
+    void beginError(const TIntermNode *node);
+    void validateUserDefinedFunctionCallUsage(const TDependencyGraph &graph);
+    bool isSamplingOp(const TIntermAggregate *intermFunctionCall) const;
+
+    TInfoSinkBase &mSink;
+    int mNumErrors;
+
+    typedef std::set<TString> StringSet;
+    StringSet mSamplingOps;
+};
+
+#endif  // COMPILER_TRANSLATOR_TIMING_RESTRICTFRAGMENTSHADERTIMING_H_