public void ReadWriteHalfTest(int format, uint redMask, uint greenMask, uint blueMask, uint alphaMask)
{
const int numberOfVertices = 100;
DataFormat vertexElementFormat = (DataFormat)format;
int bytesPerElement = DirectXMesh.BytesPerElement(vertexElementFormat);
Assert.Greater(bytesPerElement, 0);
var vertexDeclaration = new[]
{
new VertexElement(VertexElementSemantic.Position, 0, vertexElementFormat, -1),
new VertexElement(VertexElementSemantic.Normal, 0, vertexElementFormat, -1)
};
var vbAccessor = new VertexBufferAccessor(vertexDeclaration);
var positions = new Vector4F[numberOfVertices];
for (int i = 0; i < positions.Length; i++)
positions[i] = new Vector4F(
i / (float)numberOfVertices,
(i + 10) / (float)numberOfVertices,
(i + 20) / (float)numberOfVertices,
(i + 30) / (float)numberOfVertices);
var normals = new Vector4F[numberOfVertices];
for (int i = 0; i < normals.Length; i++)
normals[i] = new Vector4F(
(i + 40) / (float)numberOfVertices,
(i + 50) / (float)numberOfVertices,
(i + 60) / (float)numberOfVertices,
(i + 70) / (float)numberOfVertices);
vbAccessor.SetElements(positions, VertexElementSemantic.Position, 0);
vbAccessor.SetElements(normals, VertexElementSemantic.Normal, 0);
byte[] vb;
int n;
int stride;
vbAccessor.GetStream(0, out vb, out n, out stride);
Assert.NotNull(vb);
Assert.AreEqual(numberOfVertices, n);
Assert.AreEqual(2 * bytesPerElement, stride);
Assert.AreEqual(stride * n, vb.Length);
vbAccessor = new VertexBufferAccessor(vertexDeclaration);
vbAccessor.SetStream(0, vb, numberOfVertices);
var positions1 = new Vector4F[numberOfVertices];
var normals1 = new Vector4F[numberOfVertices];
vbAccessor.GetElements(positions1, VertexElementSemantic.Position, 0);
vbAccessor.GetElements(normals1, VertexElementSemantic.Normal, 0);
for (int i = 0; i < positions.Length; i++)
{
Vector4F expected = AsHalf(positions[i], redMask, greenMask, blueMask, alphaMask);
Assert.AreEqual(expected.X, positions1[i].X);
Assert.AreEqual(expected.Y, positions1[i].Y);
Assert.AreEqual(expected.Z, positions1[i].Z);
Assert.AreEqual(expected.W, positions1[i].W);
}
for (int i = 0; i < normals.Length; i++)
{
Vector4F expected = AsHalf(normals[i], redMask, greenMask, blueMask, alphaMask);
Assert.AreEqual(expected.X, normals1[i].X);
Assert.AreEqual(expected.Y, normals1[i].Y);
Assert.AreEqual(expected.Z, normals1[i].Z);
Assert.AreEqual(expected.W, normals1[i].W);
}
}
public void ReadWriteHalfTest(int format, uint redMask, uint greenMask, uint blueMask, uint alphaMask)
{
const int numberOfVertices = 100;
DataFormat vertexElementFormat = (DataFormat)format;
int bytesPerElement = DirectXMesh.BytesPerElement(vertexElementFormat);
Assert.Greater(bytesPerElement, 0);
var vertexDeclaration = new[]
{
new VertexElement(VertexElementSemantic.Position, 0, vertexElementFormat, -1),
new VertexElement(VertexElementSemantic.Normal, 0, vertexElementFormat, -1)
};
var vbAccessor = new VertexBufferAccessor(vertexDeclaration);
var positions = new Vector4F[numberOfVertices];
for (int i = 0; i < positions.Length; i++)
{
positions[i] = new Vector4F(
i / (float)numberOfVertices,
(i + 10) / (float)numberOfVertices,
(i + 20) / (float)numberOfVertices,
(i + 30) / (float)numberOfVertices);
}
var normals = new Vector4F[numberOfVertices];
for (int i = 0; i < normals.Length; i++)
{
normals[i] = new Vector4F(
(i + 40) / (float)numberOfVertices,
(i + 50) / (float)numberOfVertices,
(i + 60) / (float)numberOfVertices,
(i + 70) / (float)numberOfVertices);
}
vbAccessor.SetElements(positions, VertexElementSemantic.Position, 0);
vbAccessor.SetElements(normals, VertexElementSemantic.Normal, 0);
byte[] vb;
int n;
int stride;
vbAccessor.GetStream(0, out vb, out n, out stride);
Assert.NotNull(vb);
Assert.AreEqual(numberOfVertices, n);
Assert.AreEqual(2 * bytesPerElement, stride);
Assert.AreEqual(stride * n, vb.Length);
vbAccessor = new VertexBufferAccessor(vertexDeclaration);
vbAccessor.SetStream(0, vb, numberOfVertices);
var positions1 = new Vector4F[numberOfVertices];
var normals1 = new Vector4F[numberOfVertices];
vbAccessor.GetElements(positions1, VertexElementSemantic.Position, 0);
vbAccessor.GetElements(normals1, VertexElementSemantic.Normal, 0);
for (int i = 0; i < positions.Length; i++)
{
Vector4F expected = AsHalf(positions[i], redMask, greenMask, blueMask, alphaMask);
Assert.AreEqual(expected.X, positions1[i].X);
Assert.AreEqual(expected.Y, positions1[i].Y);
Assert.AreEqual(expected.Z, positions1[i].Z);
Assert.AreEqual(expected.W, positions1[i].W);
}
for (int i = 0; i < normals.Length; i++)
{
Vector4F expected = AsHalf(normals[i], redMask, greenMask, blueMask, alphaMask);
Assert.AreEqual(expected.X, normals1[i].X);
Assert.AreEqual(expected.Y, normals1[i].Y);
Assert.AreEqual(expected.Z, normals1[i].Z);
Assert.AreEqual(expected.W, normals1[i].W);
}
}
