webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 45 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/util/random_utils.h b/Source/ThirdParty/ANGLE/util/random_utils.h
new file mode 100644
index 000000000..39f9044ee
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/util/random_utils.h
@@ -0,0 +1,45 @@
+//
+// Copyright (c) 2014 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.
+//
+// random_utils:
+//   Helper functions for random number generation.
+//
+
+#ifndef UTIL_RANDOM_UTILS_H
+#define UTIL_RANDOM_UTILS_H
+
+// TODO(jmadill): Rework this if Chromium decides to ban <random>
+#include <random>
+
+#include <export.h>
+
+namespace angle
+{
+
+class ANGLE_EXPORT RNG
+{
+  public:
+    // Seed from clock
+    RNG();
+    // Seed from fixed number.
+    RNG(unsigned int seed);
+    ~RNG();
+
+    void reseed(unsigned int newSeed);
+
+    int randomInt();
+    int randomIntBetween(int min, int max);
+    unsigned int randomUInt();
+    float randomFloat();
+    float randomFloatBetween(float min, float max);
+    float randomNegativeOneToOne();
+
+  private:
+    std::default_random_engine mGenerator;
+};
+
+}  // namespace angle
+
+#endif // UTIL_RANDOM_UTILS_H