public void Short4()
{
// Test the limits.
Assert.Equal((ulong)0x0, new Short4(Vector4.Zero).PackedValue);
Assert.Equal((ulong)0x7FFF7FFF7FFF7FFF, new Short4(Vector4.One * 0x7FFF).PackedValue);
Assert.Equal(0x8000800080008000, new Short4(Vector4.One * -0x8000).PackedValue);
// Test ToVector4.
Assert.Equal(Vector4.One * 0x7FFF, new Short4(Vector4.One * 0x7FFF).ToVector4());
Assert.Equal(Vector4.Zero, new Short4(Vector4.Zero).ToVector4());
Assert.Equal(Vector4.One * -0x8000, new Short4(Vector4.One * -0x8000).ToVector4());
Assert.Equal(Vector4.UnitX * 0x7FFF, new Short4(Vector4.UnitX * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitY * 0x7FFF, new Short4(Vector4.UnitY * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitZ * 0x7FFF, new Short4(Vector4.UnitZ * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitW * 0x7FFF, new Short4(Vector4.UnitW * 0x7FFF).ToVector4());
// Test clamping.
Assert.Equal(Vector4.One * 0x7FFF, new Short4(Vector4.One * 1234567.0f).ToVector4());
Assert.Equal(Vector4.One * -0x8000, new Short4(Vector4.One * -1234567.0f).ToVector4());
// Test Ordering
float x = 0.1f;
float y = -0.3f;
float z = 0.5f;
float w = -0.7f;
Assert.Equal(18446462598732840960, new Short4(x, y, z, w).PackedValue);
x = 11547;
y = 12653;
z = 29623;
w = 193;
Assert.Equal((ulong)0x00c173b7316d2d1b, new Short4(x, y, z, w).PackedValue);
var rgb = default(Rgb24);
var rgba = default(Rgba32);
var bgr = default(Bgr24);
var bgra = default(Bgra32);
new Short4(x, y, z, w).ToRgb24(ref rgb);
Assert.Equal(rgb, new Rgb24(172, 177, 243));
new Short4(x, y, z, w).ToRgba32(ref rgba);
Assert.Equal(rgba, new Rgba32(172, 177, 243, 128));
new Short4(x, y, z, w).ToBgr24(ref bgr);
Assert.Equal(bgr, new Bgr24(172, 177, 243));
new Short4(x, y, z, w).ToBgra32(ref bgra);
Assert.Equal(bgra, new Bgra32(172, 177, 243, 128));
var r = new Short4();
r.PackFromRgba32(new Rgba32(20, 38, 0, 255));
r.ToRgba32(ref rgba);
Assert.Equal(rgba, new Rgba32(20, 38, 0, 255));
}
public void Short4()
{
// Test the limits.
Assert.Equal((ulong)0x0, new Short4(Vector4.Zero).PackedValue);
Assert.Equal((ulong)0x7FFF7FFF7FFF7FFF, new Short4(Vector4.One * 0x7FFF).PackedValue);
Assert.Equal(0x8000800080008000, new Short4(Vector4.One * -0x8000).PackedValue);
// Test ToVector4.
Assert.Equal(Vector4.One * 0x7FFF, new Short4(Vector4.One * 0x7FFF).ToVector4());
Assert.Equal(Vector4.Zero, new Short4(Vector4.Zero).ToVector4());
Assert.Equal(Vector4.One * -0x8000, new Short4(Vector4.One * -0x8000).ToVector4());
Assert.Equal(Vector4.UnitX * 0x7FFF, new Short4(Vector4.UnitX * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitY * 0x7FFF, new Short4(Vector4.UnitY * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitZ * 0x7FFF, new Short4(Vector4.UnitZ * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitW * 0x7FFF, new Short4(Vector4.UnitW * 0x7FFF).ToVector4());
// Test clamping.
Assert.Equal(Vector4.One * 0x7FFF, new Short4(Vector4.One * 1234567.0f).ToVector4());
Assert.Equal(Vector4.One * -0x8000, new Short4(Vector4.One * -1234567.0f).ToVector4());
// Test Ordering
float x = 0.1f;
float y = -0.3f;
float z = 0.5f;
float w = -0.7f;
Assert.Equal(18446462598732840960, new Short4(x, y, z, w).PackedValue);
x = 11547;
y = 12653;
z = 29623;
w = 193;
Assert.Equal((ulong)0x00c173b7316d2d1b, new Short4(x, y, z, w).PackedValue);
byte[] rgb = new byte[3];
byte[] rgba = new byte[4];
byte[] bgr = new byte[3];
byte[] bgra = new byte[4];
new Short4(x, y, z, w).ToXyzBytes(rgb, 0);
Assert.Equal(rgb, new byte[] { 172, 177, 243 });
new Short4(x, y, z, w).ToXyzwBytes(rgba, 0);
Assert.Equal(rgba, new byte[] { 172, 177, 243, 128 });
new Short4(x, y, z, w).ToZyxBytes(bgr, 0);
Assert.Equal(bgr, new byte[] { 243, 177, 172 });
new Short4(x, y, z, w).ToZyxwBytes(bgra, 0);
Assert.Equal(bgra, new byte[] { 243, 177, 172, 128 });
Short4 r = new Short4();
r.PackFromBytes(20, 38, 0, 255);
r.ToXyzwBytes(rgba, 0);
Assert.Equal(rgba, new byte[] { 20, 38, 0, 255 });
}
public void Short4_PackedValues()
{
var shortValue1 = new Short4(11547, 12653, 29623, 193);
var shortValue2 = new Short4(0.1f, -0.3f, 0.5f, -0.7f);
Assert.Equal(0x00c173b7316d2d1bUL, shortValue1.PackedValue);
Assert.Equal(18446462598732840960, shortValue2.PackedValue);
Assert.Equal(0x0UL, new Short4(Vector4.Zero).PackedValue);
Assert.Equal(0x7FFF7FFF7FFF7FFFUL, new Short4(Vector4.One * 0x7FFF).PackedValue);
Assert.Equal(0x8000800080008000, new Short4(Vector4.One * -0x8000).PackedValue);
}
public void Short4_ToRgba32()
{
// arrange
var shortValue = new Short4(11547, 12653, 29623, 193);
var actual = default(Rgba32);
var expected = new Rgba32(172, 177, 243, 128);
// act
shortValue.ToRgba32(ref actual);
// assert
Assert.Equal(expected, actual);
}
public void Short4_ToBgr24()
{
// arrange
var shortValue = new Short4(11547, 12653, 29623, 193);
var actual = default(Bgr24);
var expected = new Bgr24(172, 177, 243);
// act
shortValue.ToBgr24(ref actual);
// assert
Assert.Equal(expected, actual);
}
public void Short4_Clamping()
{
// arrange
var short1 = new Short4(Vector4.One * 1234567.0f);
var short2 = new Short4(Vector4.One * -1234567.0f);
// act
var vector1 = short1.ToVector4();
var vector2 = short2.ToVector4();
// assert
Assert.Equal(Vector4.One * 0x7FFF, vector1);
Assert.Equal(Vector4.One * -0x8000, vector2);
}
public void Short4_ToScaledVector4()
{
// arrange
var short4 = new Short4(Vector4.One * 0x7FFF);
// act
Vector4 actual = short4.ToScaledVector4();
// assert
Assert.Equal(1, actual.X);
Assert.Equal(1, actual.Y);
Assert.Equal(1, actual.Z);
Assert.Equal(1, actual.W);
}
public void Short4_FromScaledVector4()
{
// arrange
var short4 = new Short4(Vector4.One * 0x7FFF);
Vector4 scaled = short4.ToScaledVector4();
const long expected = 0x7FFF7FFF7FFF7FFF;
// act
var pixel = default(Short4);
pixel.FromScaledVector4(scaled);
// assert
Assert.Equal((ulong)expected, pixel.PackedValue);
}
public void Encode(VertexElement element, XNAV4 value)
{
var dstVertex = _Vertex.Slice(element.Offset);
if (element.VertexElementFormat == VertexElementFormat.Vector4)
{
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref value);
return;
}
if (element.VertexElementFormat == VertexElementFormat.Byte4)
{
var c = new Byte4(value);
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref c);
return;
}
if (element.VertexElementFormat == VertexElementFormat.Color)
{
var c = new Color(value);
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref c);
return;
}
if (element.VertexElementFormat == VertexElementFormat.Short4)
{
var ns = new Short4(value);
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref ns);
return;
}
if (element.VertexElementFormat == VertexElementFormat.NormalizedShort4)
{
var ns = new NormalizedShort4(value);
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref ns);
return;
}
if (element.VertexElementFormat == VertexElementFormat.HalfVector4)
{
var ns = new HalfVector4(value);
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref ns);
return;
}
throw new ArgumentException(nameof(element));
}
public void Short4()
{
// Test the limits.
Assert.AreEqual(0x0, new Short4(Vector4.Zero).PackedValue);
Assert.AreEqual(0x7FFF7FFF7FFF7FFF, new Short4(Vector4.One * 0x7FFF).PackedValue);
Assert.AreEqual(0x8000800080008000, new Short4(Vector4.One * -0x8000).PackedValue);
// Test ToVector4.
Assert.AreEqual(Vector4.One * 0x7FFF, new Short4(Vector4.One * 0x7FFF).ToVector4());
Assert.AreEqual(Vector4.Zero, new Short4(Vector4.Zero).ToVector4());
Assert.AreEqual(Vector4.One * -0x8000, new Short4(Vector4.One * -0x8000).ToVector4());
Assert.AreEqual(Vector4.UnitX * 0x7FFF, new Short4(Vector4.UnitX * 0x7FFF).ToVector4());
Assert.AreEqual(Vector4.UnitY * 0x7FFF, new Short4(Vector4.UnitY * 0x7FFF).ToVector4());
Assert.AreEqual(Vector4.UnitZ * 0x7FFF, new Short4(Vector4.UnitZ * 0x7FFF).ToVector4());
Assert.AreEqual(Vector4.UnitW * 0x7FFF, new Short4(Vector4.UnitW * 0x7FFF).ToVector4());
// Test clamping.
Assert.AreEqual(Vector4.One * 0x7FFF, new Short4(Vector4.One * 1234567.0f).ToVector4());
Assert.AreEqual(Vector4.One * -0x8000, new Short4(Vector4.One * -1234567.0f).ToVector4());
//Test Ordering
float x = 0x2d1b;
float y = 0x316d;
float z = 0x73b7;
float w = 0x00c1;
Assert.AreEqual(0x00c173b7316d2d1b, new Short4(x, y, z, w).PackedValue);
x = 0.1f;
y = -0.3f;
z = 0.5f;
w = -0.7f;
Assert.AreEqual(18446462598732840960, new Short4(x, y, z, w).PackedValue);
var packed = new Short4(x, y, z, w).PackedValue;
var unpacked = new Short4()
{
PackedValue = packed
}.ToVector4();
Assert.AreEqual(0f, unpacked.X);
Assert.AreEqual(0f, unpacked.Y);
Assert.AreEqual(0f, unpacked.Z);
Assert.AreEqual(-1f, unpacked.W);
}
public void Encode(VertexElement element, Short4 value)
{
var dstVertex = _Vertex.Slice(element.Offset);
if (element.VertexElementFormat == VertexElementFormat.Vector4)
{
var v4 = value.ToVector4();
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref v4);
return;
}
if (element.VertexElementFormat == VertexElementFormat.Short4)
{
System.Runtime.InteropServices.MemoryMarshal.Write(dstVertex, ref value);
return;
}
throw new ArgumentException(nameof(element));
}
public void TestMemberFn_GetHashCode_i ()
{
HashSet<Int32> hs = new HashSet<Int32>();
var rand = new System.Random();
var buff = new Byte[8];
UInt32 collisions = 0;
for(Int32 i = 0; i < Settings.NumTests; ++i)
{
rand.NextBytes(buff);
UInt64 packed = BitConverter.ToUInt64(buff, 0);
var packedObj = new Short4();
packedObj.PackedValue = packed;
Int32 hc = packedObj.GetHashCode ();
if(hs.Contains(hc)) ++collisions;
hs.Add(hc);
}
Assert.That(collisions, Is.LessThan(10));
}
public void TestMemberFn_ToString_i()
{
var testCase = new Short4 ();
testCase.PackFrom (0.656f, 0.125f, 0.222f, 0.861f);
String s = testCase.ToString ();
Assert.That(s, Is.EqualTo ("1000000000001"));
}
public void TestRandomValues_i()
{
var rand = new System.Random();
var buff = new Byte[8];
for(Int32 i = 0; i < Settings.NumTests; ++i)
{
rand.NextBytes(buff);
UInt64 packed = BitConverter.ToUInt64(buff, 0);
var packedObj = new Short4();
packedObj.PackedValue = packed;
Single realX, realY, realZ, realW = 0f;
packedObj.UnpackTo(out realX, out realY, out realZ, out realW);
var newPackedObj = new Short4(realX, realY, realZ, realW);
Assert.That(newPackedObj.PackedValue, Is.EqualTo(packedObj.PackedValue));
}
}
public void Short4()
{
// Test the limits.
Assert.Equal(0x0UL, new Short4(Vector4.Zero).PackedValue);
Assert.Equal(0x7FFF7FFF7FFF7FFFUL, new Short4(Vector4.One * 0x7FFF).PackedValue);
Assert.Equal(0x8000800080008000, new Short4(Vector4.One * -0x8000).PackedValue);
// Test ToVector4.
Assert.Equal(Vector4.One * 0x7FFF, new Short4(Vector4.One * 0x7FFF).ToVector4());
Assert.Equal(Vector4.Zero, new Short4(Vector4.Zero).ToVector4());
Assert.Equal(Vector4.One * -0x8000, new Short4(Vector4.One * -0x8000).ToVector4());
Assert.Equal(Vector4.UnitX * 0x7FFF, new Short4(Vector4.UnitX * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitY * 0x7FFF, new Short4(Vector4.UnitY * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitZ * 0x7FFF, new Short4(Vector4.UnitZ * 0x7FFF).ToVector4());
Assert.Equal(Vector4.UnitW * 0x7FFF, new Short4(Vector4.UnitW * 0x7FFF).ToVector4());
// Test ToScaledVector4.
Vector4 scaled = new Short4(Vector4.One * 0x7FFF).ToScaledVector4();
Assert.Equal(1, scaled.X);
Assert.Equal(1, scaled.Y);
Assert.Equal(1, scaled.Z);
Assert.Equal(1, scaled.W);
// Test FromScaledVector4.
var pixel = default(Short4);
pixel.FromScaledVector4(scaled);
Assert.Equal(0x7FFF7FFF7FFF7FFFUL, pixel.PackedValue);
// Test clamping.
Assert.Equal(Vector4.One * 0x7FFF, new Short4(Vector4.One * 1234567.0f).ToVector4());
Assert.Equal(Vector4.One * -0x8000, new Short4(Vector4.One * -1234567.0f).ToVector4());
// Test Ordering
float x = 0.1f;
float y = -0.3f;
float z = 0.5f;
float w = -0.7f;
Assert.Equal(18446462598732840960, new Short4(x, y, z, w).PackedValue);
x = 11547;
y = 12653;
z = 29623;
w = 193;
Assert.Equal(0x00c173b7316d2d1bUL, new Short4(x, y, z, w).PackedValue);
// var rgb = default(Rgb24);
// var rgba = default(Rgba32);
// var bgr = default(Bgr24);
// var bgra = default(Bgra32);
// var argb = default(Argb32);
// new Short4(x, y, z, w).ToRgb24(ref rgb);
// Assert.Equal(rgb, new Rgb24(172, 177, 243)); // this assert fails in Release build on linux (#594)
// new Short4(x, y, z, w).ToRgba32(ref rgba);
// Assert.Equal(rgba, new Rgba32(172, 177, 243, 128));
// new Short4(x, y, z, w).ToBgr24(ref bgr);
// Assert.Equal(bgr, new Bgr24(172, 177, 243));
// new Short4(x, y, z, w).ToBgra32(ref bgra);
// Assert.Equal(bgra, new Bgra32(172, 177, 243, 128));
// new Short4(x, y, z, w).ToArgb32(ref argb);
// Assert.Equal(argb, new Argb32(172, 177, 243, 128));
// var r = default(Short4);
// r.FromRgba32(new Rgba32(20, 38, 0, 255));
// r.ToRgba32(ref rgba);
// Assert.Equal(rgba, new Rgba32(20, 38, 0, 255));
// r = default(Short4);
// r.FromBgra32(new Bgra32(20, 38, 0, 255));
// r.ToBgra32(ref bgra);
// Assert.Equal(bgra, new Bgra32(20, 38, 0, 255));
// r = default(Short4);
// r.FromArgb32(new Argb32(20, 38, 0, 255));
// r.ToArgb32(ref argb);
// Assert.Equal(argb, new Argb32(20, 38, 0, 255));
}
public IntVertexPositionTexture(Short4 position, NormalizedShort2 textureCoordinate)
{
this.Position = position;
this.TextureCoordinate = textureCoordinate;
}