add gpu_sat

opencl/parallel_primitives/host/btInt4.h

@@ -0,0 +1,55 @@
+#ifndef BT_INT4_H
+#define BT_INT4_H
+
+#include "btScalar.h"
+
+ATTRIBUTE_ALIGNED16(struct) btUnsignedInt4
+{
+	BT_DECLARE_ALIGNED_ALLOCATOR();
+
+	union
+	{
+		struct
+		{
+			unsigned int x,y,z,w;
+		};
+		struct
+		{
+			unsigned int s[4];
+		};
+	};
+};
+
+ATTRIBUTE_ALIGNED16(struct) btInt4
+{
+	BT_DECLARE_ALIGNED_ALLOCATOR();
+
+	union
+	{
+		struct
+		{
+			int x,y,z,w;
+		};
+		struct
+		{
+			int s[4];
+		};
+	};
+};
+
+SIMD_FORCE_INLINE btInt4 btMakeInt4(int x, int y, int z, int w = 0)
+{
+	btInt4 v;
+	v.s[0] = x; v.s[1] = y; v.s[2] = z; v.s[3] = w;
+	return v;
+}
+
+SIMD_FORCE_INLINE btUnsignedInt4 btMakeUnsignedInt4(unsigned int x, unsigned int y, unsigned int z, unsigned int w = 0)
+{
+	btUnsignedInt4 v;
+	v.s[0] = x; v.s[1] = y; v.s[2] = z; v.s[3] = w;
+	return v;
+}
+
+
+#endif //BT_INT4_H