public void CanGetVertexStreamForLineListWithMultipleVertexBuffers()
{
// Arrange.
var device = new Device();
var inputAssembler = new InputAssemblerStage(device);
var inputSignature = GetTestVertexPositionNormalTextureShaderBytecode();
var inputElements = TestVertex.PositionNormal.InputElements
.Union(new[] { new InputElement("TEXCOORD", 0, Format.R32G32_Float, 1, 0) })
.ToArray();
inputAssembler.InputLayout = new InputLayout(device, inputElements, inputSignature);
inputAssembler.PrimitiveTopology = PrimitiveTopology.LineList;
var positionsAndNormals = new[]
{
new TestVertex.PositionNormal(new Vector3(1, 2, 3), new Vector3(3, 2, 1)),
new TestVertex.PositionNormal(new Vector3(4, 5, 6), new Vector3(4, 6, 8))
};
var texCoords = new[]
{
new Vector2(3, 4),
new Vector2(0.5f, 0.3f)
};
inputAssembler.SetVertexBuffers(0, new[]
{
new VertexBufferBinding(device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), positionsAndNormals),
0, TestVertex.PositionNormal.SizeInBytes),
new VertexBufferBinding(device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), texCoords),
0, Vector2.SizeInBytes)
});
// Act.
var vertexStream = inputAssembler.GetVertexStream(inputSignature, 2, 0).ToList();
// Assert.
Assert.That(vertexStream, Has.Count.EqualTo(2));
Assert.That(vertexStream[0].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[0].VertexID, Is.EqualTo(0));
Assert.That(vertexStream[0].Data, Is.EqualTo(new[]
{
new Number4(1.0f, 2.0f, 3.0f, 0.0f),
new Number4(3.0f, 2.0f, 1.0f, 0.0f),
new Number4(3.0f, 4.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[1].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[1].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[1].Data, Is.EqualTo(new[]
{
new Number4(4.0f, 5.0f, 6.0f, 0.0f),
new Number4(4.0f, 6.0f, 8.0f, 0.0f),
new Number4(0.5f, 0.3f, 0.0f, 0.0f)
}));
}
public void CanGetVertexStreamForTriangleListWithNoBuffersBound()
{
// Arrange.
var device = new Device();
var inputAssembler = new InputAssemblerStage(device);
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
var inputSignature = new InputSignatureChunk
{
Parameters =
{
new SignatureParameterDescription("SV_VertexID", 0, Name.VertexID, RegisterComponentType.UInt32,
0, ComponentMask.X, ComponentMask.X),
new SignatureParameterDescription("SV_InstanceID", 0, Name.InstanceID, RegisterComponentType.UInt32,
1, ComponentMask.X, ComponentMask.X),
}
};
// Act.
var vertexStream = inputAssembler.GetVertexStream(inputSignature, 3, 0).ToList();
// Assert.
Assert.That(vertexStream, Has.Count.EqualTo(3));
Assert.That(vertexStream[0].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[0].VertexID, Is.EqualTo(0));
Assert.That(vertexStream[0].Data, Is.EqualTo(new[]
{
new Number4(0.0f, 0, 0, 0),
new Number4(0.0f, 0, 0, 0)
}));
Assert.That(vertexStream[1].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[1].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[1].Data, Is.EqualTo(new[]
{
new Number4(1.0f, 0, 0, 0),
new Number4(0.0f, 0, 0, 0)
}));
Assert.That(vertexStream[2].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[2].VertexID, Is.EqualTo(2));
Assert.That(vertexStream[2].Data, Is.EqualTo(new[]
{
new Number4(2.0f, 0, 0, 0),
new Number4(0.0f, 0, 0, 0)
}));
}
public void CanGetVertexStreamForLineList()
{
// Arrange.
var device = new Device();
var inputAssembler = new InputAssemblerStage(device);
var inputSignature = GetTestVertexPositionNormalTextureShaderBytecode();
inputAssembler.InputLayout = new InputLayout(device, TestVertex.PositionNormalTexture.InputElements, inputSignature);
inputAssembler.PrimitiveTopology = PrimitiveTopology.LineList;
var vertices = new[]
{
new TestVertex.PositionNormalTexture(new Vector3(1, 2, 3), new Vector3(3, 2, 1), new Vector2(3, 4)),
new TestVertex.PositionNormalTexture(new Vector3(4, 5, 6), new Vector3(4, 6, 8), new Vector2(0.5f, 0.3f))
};
var vertexBuffer = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), vertices);
inputAssembler.SetVertexBuffers(0, new[]
{
new VertexBufferBinding(vertexBuffer, 0, TestVertex.PositionNormalTexture.SizeInBytes)
});
// Act.
var vertexStream = inputAssembler.GetVertexStream(inputSignature, 2, 0).ToList();
// Assert.
Assert.That(vertexStream, Has.Count.EqualTo(2));
Assert.That(vertexStream[0].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[0].VertexID, Is.EqualTo(0));
Assert.That(vertexStream[0].Data, Is.EqualTo(new[]
{
new Number4(1.0f, 2.0f, 3.0f, 0.0f),
new Number4(3.0f, 2.0f, 1.0f, 0.0f),
new Number4(3.0f, 4.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[1].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[1].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[1].Data, Is.EqualTo(new[]
{
new Number4(4.0f, 5.0f, 6.0f, 0.0f),
new Number4(4.0f, 6.0f, 8.0f, 0.0f),
new Number4(0.5f, 0.3f, 0.0f, 0.0f)
}));
}
public void Draw(int vertexCount, int startVertexLocation)
{
DiagnosticUtilities.RaiseEvent(this, Drawing, vertexCount, startVertexLocation);
DrawInternal(_inputAssembler.GetVertexStream(_vertexShader.Shader.Bytecode.InputSignature, vertexCount, startVertexLocation));
}
