1 files changed, 88 insertions, 0 deletions
diff --git a/APEX_1.4/module/clothing/embedded/LowLevelCloth/src/BoundingBox.h b/APEX_1.4/module/clothing/embedded/LowLevelCloth/src/BoundingBox.h
new file mode 100644
index 00000000..339f6f12
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+++ b/APEX_1.4/module/clothing/embedded/LowLevelCloth/src/BoundingBox.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#pragma once
+
+#include "Simd4f.h"
+#include <float.h>
+
+namespace nvidia
+{
+
+namespace cloth
+{
+
+template <typename Simd4f>
+struct BoundingBox
+{
+	Simd4f mLower;
+	Simd4f mUpper;
+};
+
+template <typename Simd4f>
+inline BoundingBox<Simd4f> loadBounds(const float* ptr)
+{
+	BoundingBox<Simd4f> result;
+	result.mLower = load(ptr);
+	result.mUpper = load(ptr + 3);
+	return result;
+}
+
+template <typename Simd4f>
+inline BoundingBox<Simd4f> emptyBounds()
+{
+	BoundingBox<Simd4f> result;
+
+	result.mLower = simd4f(FLT_MAX);
+	result.mUpper = -result.mLower;
+
+	return result;
+}
+
+template <typename Simd4f>
+inline BoundingBox<Simd4f> expandBounds(const BoundingBox<Simd4f>& bounds, const Simd4f* pIt, const Simd4f* pEnd)
+{
+	BoundingBox<Simd4f> result = bounds;
+	for(; pIt != pEnd; ++pIt)
+	{
+		result.mLower = min(result.mLower, *pIt);
+		result.mUpper = max(result.mUpper, *pIt);
+	}
+	return result;
+}
+
+template <typename Simd4f>
+inline BoundingBox<Simd4f> expandBounds(const BoundingBox<Simd4f>& a, const BoundingBox<Simd4f>& b)
+{
+	BoundingBox<Simd4f> result;
+	result.mLower = min(a.mLower, b.mLower);
+	result.mUpper = max(a.mUpper, b.mUpper);
+	return result;
+}
+
+template <typename Simd4f>
+inline BoundingBox<Simd4f> intersectBounds(const BoundingBox<Simd4f>& a, const BoundingBox<Simd4f>& b)
+{
+	BoundingBox<Simd4f> result;
+	result.mLower = max(a.mLower, b.mLower);
+	result.mUpper = min(a.mUpper, b.mUpper);
+	return result;
+}
+
+template <typename Simd4f>
+inline bool isEmptyBounds(const BoundingBox<Simd4f>& a)
+{
+	return anyGreater(a.mLower, a.mUpper) != 0;
+}
+}
+}