public void CanBindMultipleVertexBuffers()
{
// Arrange.
var device = new Device();
var inputAssembler = new InputAssemblerStage(device);
var vertices = new[]
{
new TestVertex.PositionNormalTexture(Vector3.Zero, Vector3.Zero, Vector2.Zero),
new TestVertex.PositionNormalTexture(Vector3.Zero, Vector3.Zero, Vector2.Zero)
};
var vertexBuffer1 = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), vertices);
var vertexBuffer2 = device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), vertices);
// Act.
inputAssembler.SetVertexBuffers(0, new[]
{
new VertexBufferBinding(vertexBuffer1, 0, TestVertex.PositionNormalTexture.SizeInBytes),
new VertexBufferBinding(vertexBuffer2, 0, TestVertex.PositionNormalTexture.SizeInBytes)
});
// Assert.
var vertexBufferBindings = new VertexBufferBinding[2];
inputAssembler.GetVertexBuffers(0, 2, vertexBufferBindings);
Assert.That(vertexBufferBindings[0].Buffer, Is.EqualTo(vertexBuffer1));
Assert.That(vertexBufferBindings[1].Buffer, Is.EqualTo(vertexBuffer2));
}
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)
}));
}
void Render()
{
frameAccumulator += _frameDelta;
++frameCount;
if (frameAccumulator >= 1.0f)
{
FramesPerSecond = frameCount / frameAccumulator;
frameAccumulator = 0.0f;
frameCount = 0;
}
// Clear targets
_device.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
_device.ClearRenderTargetView(renderView, ambient);
_device.ClearRenderTargetView(gBufferLightView, ambient);
_device.ClearRenderTargetView(gBufferNormalView, ambient);
_device.ClearRenderTargetView(gBufferDiffuseView, ambient);
meshFactory.InitInstancedRender();
// Depth map pass
if (shadowsEnabled)
{
_device.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
outputMerger.SetDepthStencilState(lightDepthStencilState, 0);
outputMerger.SetRenderTargets(0, new RenderTargetView[0], lightDepthView);
shadowGenPass.Apply();
OnRender();
effect2.GetVariableByName("lightDepthMap").AsShaderResource().SetResource(lightDepthRes);
}
// Render pass
outputMerger.SetDepthStencilState(depthStencilState, 0);
outputMerger.SetRenderTargets(3, gBufferViews, depthView);
gBufferGenPass.Apply();
OnRender();
// G-buffer render pass
outputMerger.SetDepthStencilState(null, 0);
outputMerger.SetRenderTargets(1, renderViews, null);
gBufferRenderPass.Apply();
inputAssembler.SetVertexBuffers(0, quadBinding);
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
inputAssembler.InputLayout = quadBufferLayout;
_device.Draw(4, 0);
Info.OnRender(FramesPerSecond);
_swapChain.Present(0, PresentFlags.None);
}
public void CanGetVertexStreamForIndexedLineList()
{
// 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 TestVertex.PositionNormalTexture(),
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)
});
var indexBuffer = device.CreateBuffer(new BufferDescription(BindFlags.IndexBuffer), new ushort[] { 2, 16, 1, 0 });
inputAssembler.SetIndexBuffer(indexBuffer, Format.R16_UInt, 2);
// Act.
var vertexStream = inputAssembler.GetVertexStreamIndexed(inputSignature, 2, 1, 2).ToList();
// Assert.
Assert.That(vertexStream, Has.Count.EqualTo(2));
Assert.That(vertexStream[0].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[0].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[0].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)
}));
Assert.That(vertexStream[1].InstanceID, Is.EqualTo(0));
Assert.That(vertexStream[1].VertexID, Is.EqualTo(2));
Assert.That(vertexStream[1].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)
}));
}
public void DrawDebugWorld(DynamicsWorld world)
{
world.DebugDrawWorld();
if (lines.Count == 0)
{
return;
}
inputAssembler.InputLayout = inputLayout;
if (lineArray.Length != lines.Count)
{
lineArray = new PositionColored[lines.Count];
lines.CopyTo(lineArray);
if (vertexBuffer != null)
{
vertexBuffer.Dispose();
}
vertexBufferDesc.SizeInBytes = PositionColored.Stride * lines.Count;
using (var data = new DataStream(vertexBufferDesc.SizeInBytes, false, true))
{
data.WriteRange(lineArray);
data.Position = 0;
vertexBuffer = new Buffer(device, data, vertexBufferDesc);
}
vertexBufferBinding.Buffer = vertexBuffer;
}
else
{
lines.CopyTo(lineArray);
DataStream ds;
var map = device.ImmediateContext.MapSubresource(vertexBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out ds);
ds.WriteRange(lineArray);
device.ImmediateContext.UnmapSubresource(vertexBuffer, 0);
}
inputAssembler.SetVertexBuffers(0, vertexBufferBinding);
inputAssembler.PrimitiveTopology = global::SharpDX.Direct3D.PrimitiveTopology.LineList;
device.ImmediateContext.VertexShader.Set(vertexShader);
device.ImmediateContext.PixelShader.Set(pixelShader);
device.ImmediateContext.Draw(lines.Count, 0);
lines.Clear();
}
public void DrawDebugWorld(DynamicsWorld world)
{
world.DebugDrawWorld();
if (lines.Count == 0)
{
return;
}
inputAssembler.InputLayout = inputLayout;
if (lineArray.Length != lines.Count)
{
lineArray = new PositionColored[lines.Count];
lines.CopyTo(lineArray);
if (vertexBuffer != null)
{
vertexBuffer.Dispose();
}
vertexBufferDesc.SizeInBytes = PositionColored.Stride * lines.Count;
using (var data = new DataStream(vertexBufferDesc.SizeInBytes, false, true))
{
data.WriteRange(lineArray);
data.Position = 0;
vertexBuffer = new Buffer(device, data, vertexBufferDesc);
}
vertexBufferBinding.Buffer = vertexBuffer;
}
else
{
lines.CopyTo(lineArray);
using (var map = vertexBuffer.Map(MapMode.WriteDiscard))
{
map.WriteRange(lineArray);
}
vertexBuffer.Unmap();
}
inputAssembler.SetVertexBuffers(0, vertexBufferBinding);
inputAssembler.PrimitiveTopology = global::SharpDX.Direct3D.PrimitiveTopology.LineList;
device.Draw(lines.Count, 0);
lines.Clear();
}
public void RenderInstanced()
{
inputAssembler.InputLayout = inputLayout;
foreach (ShapeData s in shapes.Values)
{
inputAssembler.SetVertexBuffers(0, s.BufferBindings);
inputAssembler.PrimitiveTopology = s.PrimitiveTopology;
if (s.IndexBuffer != null)
{
inputAssembler.SetIndexBuffer(s.IndexBuffer, s.IndexFormat, 0);
device.ImmediateContext.DrawIndexedInstanced(s.IndexCount, s.InstanceDataList.Count, 0, 0, 0);
}
else
{
device.ImmediateContext.DrawInstanced(s.VertexCount, s.InstanceDataList.Count, 0, 0);
}
}
}
/*
* protected override void Dispose(bool disposing)
* {
* if (disposing)
* {
* if (vertexBuffer != null)
* {
* vertexBuffer.Dispose();
* vertexBuffer = null;
* }
* }
*
* base.Dispose(disposing);
* }
*/
public void DrawDebugWorld(DynamicsWorld world)
{
world.DebugDrawWorld();
if (LineIndex == 0)
{
return;
}
_inputAssembler.InputLayout = _inputLayout;
if (_vertexCount != LineIndex)
{
if (_vertexBuffer != null)
{
_vertexBuffer.Dispose();
}
_vertexCount = LineIndex;
_vertexBufferDesc.SizeInBytes = PositionColored.Stride * _vertexCount;
using (var data = new DataStream(_vertexBufferDesc.SizeInBytes, false, true))
{
data.WriteRange(Lines, 0, _vertexCount);
data.Position = 0;
_vertexBuffer = new Buffer(_device, data, _vertexBufferDesc);
}
_vertexBufferBinding.Buffer = _vertexBuffer;
}
else
{
using (var map = _vertexBuffer.Map(MapMode.WriteDiscard))
{
map.WriteRange(Lines, 0, _vertexCount);
}
_vertexBuffer.Unmap();
}
_inputAssembler.SetVertexBuffers(0, _vertexBufferBinding);
_inputAssembler.PrimitiveTopology = global::SharpDX.Direct3D.PrimitiveTopology.LineList;
_device.Draw(_vertexCount, 0);
LineIndex = 0;
}
void RenderLights()
{
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
inputAssembler.InputLayout = lightVolumeInputLayout;
inputAssembler.SetVertexBuffers(0, pointLightVolumeVertexBufferBinding);
inputAssembler.SetIndexBuffer(pointLightVolumeIndexBuffer, Format.R32_UInt, 0);
lightDepthBufferVar.SetResource(depthBufferRes);
lightNormalBufferVar.SetResource(normalBufferRes);
Vector3 eyePosition = MathHelper.Convert(Demo.Freelook.Eye);
var previousState = _immediateContext.Rasterizer.State;
// Camera outside light volume
_immediateContext.Rasterizer.State = backCullState;
outputMerger.SetDepthStencilState(outsideLightVolumeDepthState);
foreach (var light in lights)
{
float radius = light.Radius;
float bias = radius * 2;
if ((light.Position - eyePosition).LengthSquared() >= (radius * radius) + bias)
{
RenderLight(light);
}
}
// Camera inside light volume
_immediateContext.Rasterizer.State = frontCullState;
outputMerger.SetDepthStencilState(insideLightVolumeDepthState);
foreach (var light in lights)
{
float bias = light.Radius * 2;
if ((light.Position - eyePosition).LengthSquared() < (light.Radius * light.Radius) + bias)
{
RenderLight(light);
}
}
_immediateContext.Rasterizer.State = previousState;
}
internal void Apply(InputAssemblerStage inputAssemblerStage)
{
inputAssemblerStage.SetVertexBuffers(0, nativeVertexBufferBindings);
inputAssemblerStage.SetIndexBuffer(nativeIndexBuffer, indexFormat, indexBufferOffset);
}
void Render()
{
// Clear targets
_device.ClearDepthStencilView(depthView, DepthStencilClearFlags.Depth, 1.0f, 0);
_device.ClearRenderTargetView(renderView, ambient);
_device.ClearRenderTargetView(gBufferLightView, ambient);
_device.ClearRenderTargetView(gBufferNormalView, ambient);
_device.ClearRenderTargetView(gBufferDiffuseView, ambient);
_meshFactory.InitInstancedRender(Demo.World.CollisionObjectArray);
// Light depth map pass
if (shadowsEnabled)
{
_device.ClearDepthStencilView(lightDepthView, DepthStencilClearFlags.Depth, 1.0f, 0);
outputMerger.SetDepthStencilState(lightDepthStencilState, 0);
outputMerger.SetRenderTargets(0, new RenderTargetView[0], lightDepthView);
shadowGenPass.Apply();
OnRender();
lightDepthMapVar.SetResource(lightDepthRes);
}
// Render pass
lightBufferVar.SetResource(null);
normalBufferVar.SetResource(null);
diffuseBufferVar.SetResource(null);
depthMapVar.SetResource(null);
lightDepthMapVar.SetResource(null);
outputMerger.SetDepthStencilState(depthStencilState, 0);
outputMerger.SetRenderTargets(3, gBufferViews, depthView);
gBufferGenPass.Apply();
OnRender();
if (Demo.IsDebugDrawEnabled)
{
debugDrawPass.Apply();
(Demo.World.DebugDrawer as PhysicsDebugDraw).DrawDebugWorld(Demo.World);
}
outputMerger.SetDepthStencilState(null, 0);
info.OnRender(Demo.FramesPerSecond);
// G-buffer render pass
lightBufferVar.SetResource(lightBufferRes);
normalBufferVar.SetResource(normalBufferRes);
diffuseBufferVar.SetResource(diffuseBufferRes);
depthMapVar.SetResource(depthRes);
lightDepthMapVar.SetResource(lightDepthRes);
outputMerger.SetRenderTargets(1, renderViews, null);
gBufferRenderPass.Apply();
inputAssembler.SetVertexBuffers(0, quadBinding);
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleStrip;
inputAssembler.InputLayout = quadBufferLayout;
_device.Draw(4, 0);
// G-buffer overlay pass
diffuseBufferVar.SetResource(info.OverlayBufferRes);
gBufferOverlayPass.Apply();
_device.Draw(4, 0);
_swapChain.Present(0, PresentFlags.None);
}
public void CanGetVertexStreamForInstancedLineList()
{
// Arrange.
var device = new Device();
var inputAssembler = new InputAssemblerStage(device);
var inputSignature = GetInstancedTestVertexPositionNormalShaderBytecode();
var inputElements = TestVertex.PositionNormal.InputElements
.Union(new[]
{
new InputElement("INSTANCEPOS", 0, Format.R32G32B32_Float, 1, InputElement.AppendAligned,
InputClassification.PerInstanceData, 1),
new InputElement("INSTANCESCALE", 0, Format.R32G32B32_Float, 1, InputElement.AppendAligned,
InputClassification.PerInstanceData, 1),
new InputElement("INSTANCECOLOR", 0, Format.R32G32B32_Float, 2, InputElement.AppendAligned,
InputClassification.PerInstanceData, 2)
})
.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 instancePositions = new[]
{
new Vector3(0, 0, 0),
new Vector3(0, 0, 0),
new Vector3(-2, 3, 16), // Position
new Vector3(1, 1, 1), // Scale
new Vector3(5, 3, 11),
new Vector3(2, 2, 2),
new Vector3(2, 5, 10),
new Vector3(3, 3, 3),
new Vector3(12, 15, 8),
new Vector3(0.5f, 0.5f, 0.5f)
};
var instanceColors = new[]
{
new Color3F(0, 0, 0),
new Color3F(1, 0, 0),
new Color3F(0, 1, 0)
};
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), instancePositions),
0, Vector3.SizeInBytes * 2),
new VertexBufferBinding(device.CreateBuffer(new BufferDescription(BindFlags.VertexBuffer), instanceColors),
0, Color3F.SizeInBytes)
});
// Act.
var vertexStream = inputAssembler.GetVertexStreamInstanced(inputSignature, 2, 4, 0, 1).ToList();
// Assert.
Assert.That(vertexStream, Has.Count.EqualTo(8));
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), // Position
new Number4(3.0f, 2.0f, 1.0f, 0.0f), // Normal
new Number4(-2.0f, 3.0f, 16.0f, 0.0f), // Instance Pos
new Number4(1.0f, 1.0f, 1.0f, 0.0f), // Instance Scale
new Number4(1.0f, 0.0f, 0.0f, 0.0f) // Instance Colour
}));
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(-2.0f, 3.0f, 16.0f, 0.0f),
new Number4(1.0f, 1.0f, 1.0f, 0.0f),
new Number4(1.0f, 0.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[2].InstanceID, Is.EqualTo(1));
Assert.That(vertexStream[2].VertexID, Is.EqualTo(0));
Assert.That(vertexStream[2].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(5.0f, 3.0f, 11.0f, 0.0f),
new Number4(2.0f, 2.0f, 2.0f, 0.0f),
new Number4(1.0f, 0.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[3].InstanceID, Is.EqualTo(1));
Assert.That(vertexStream[3].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[3].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(5.0f, 3.0f, 11.0f, 0.0f),
new Number4(2.0f, 2.0f, 2.0f, 0.0f),
new Number4(1.0f, 0.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[4].InstanceID, Is.EqualTo(2));
Assert.That(vertexStream[4].VertexID, Is.EqualTo(0));
Assert.That(vertexStream[4].Data, Is.EqualTo(new[]
{
new Number4(1.0f, 2.0f, 3.0f, 0.0f), // Position
new Number4(3.0f, 2.0f, 1.0f, 0.0f), // Normal
new Number4(2.0f, 5.0f, 10.0f, 0.0f), // Instance Pos
new Number4(3.0f, 3.0f, 3.0f, 0.0f), // Instance Scale
new Number4(0.0f, 1.0f, 0.0f, 0.0f) // Instance Colour
}));
Assert.That(vertexStream[5].InstanceID, Is.EqualTo(2));
Assert.That(vertexStream[5].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[5].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(2.0f, 5.0f, 10.0f, 0.0f),
new Number4(3.0f, 3.0f, 3.0f, 0.0f),
new Number4(0.0f, 1.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[6].InstanceID, Is.EqualTo(3));
Assert.That(vertexStream[6].VertexID, Is.EqualTo(0));
Assert.That(vertexStream[6].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(12.0f, 15.0f, 8.0f, 0.0f),
new Number4(0.5f, 0.5f, 0.5f, 0.0f),
new Number4(0.0f, 1.0f, 0.0f, 0.0f)
}));
Assert.That(vertexStream[7].InstanceID, Is.EqualTo(3));
Assert.That(vertexStream[7].VertexID, Is.EqualTo(1));
Assert.That(vertexStream[7].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(12.0f, 15.0f, 8.0f, 0.0f),
new Number4(0.5f, 0.5f, 0.5f, 0.0f),
new Number4(0.0f, 1.0f, 0.0f, 0.0f)
}));
}
public void Bind(InputAssemblerStage inputAssembler)
{
inputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
inputAssembler.SetVertexBuffers(0, new VertexBufferBinding(vertexBuffer, VertexInfo.SizeInBytes, 0));
inputAssembler.SetIndexBuffer(indexBuffer, SharpDX.DXGI.Format.R32_UInt, 0);
}