public void Attach(Device hostDevice, PointD2D hostSize)
{
if (hostDevice == null)
throw new ArgumentNullException(nameof(hostDevice));
_hostDevice = hostDevice;
_hostSize = hostSize;
Device device = _hostDevice;
using (var stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("Altaxo.CompiledShaders.Effects.Lighting.cso"))
{
if (null == stream)
throw new InvalidOperationException(string.Format("Compiled shader resource not found: {0}", "Altaxo.CompiledShaders.Effects.Lighting.cso"));
using (var shaderBytes = ShaderBytecode.FromStream(stream))
{
_lightingEffect = new Effect(device, shaderBytes);
}
}
int i;
for (i = 0; i < _layoutNames.Length; ++i)
{
string techniqueName = "Shade_" + _layoutNames[i];
_renderLayouts[i].technique = this._lightingEffect.GetTechniqueByName(techniqueName);
_renderLayouts[i].pass = _renderLayouts[i].technique.GetPassByIndex(0);
if (null == _renderLayouts[i].technique || !_renderLayouts[i].technique.IsValid)
throw new InvalidProgramException(string.Format("Technique {0} was not found or is invalid", techniqueName));
if (null == _renderLayouts[i].pass || !_renderLayouts[i].pass.IsValid)
throw new InvalidProgramException(string.Format("Pass[0] of technique {0} was not found or is invalid", techniqueName));
}
i = 0;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0)
});
i = 1;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 16, 0)
});
i = 2;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 16, 0)
});
i = 3;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("NORMAL", 0, Format.R32G32B32A32_Float, 16, 0)
});
i = 4;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("NORMAL", 0, Format.R32G32B32A32_Float, 16, 0),
new InputElement("COLOR", 0, Format.R32G32B32A32_Float, 32, 0)
});
i = 5;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32A32_Float, 0, 0),
new InputElement("NORMAL", 0, Format.R32G32B32A32_Float, 16, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 32, 0)
});
i = 6;
_renderLayouts[i].VertexLayout = new InputLayout(device, _renderLayouts[i].pass.Description.Signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0),
new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 24, 0)
});
// Create Constant Buffers
//_constantBuffer = new Buffer(device, Utilities.SizeOf<Matrix>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None);
//_constantBufferForColor = new Buffer(device, Utilities.SizeOf<Vector4>(), ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None);
//_constantBufferForSixPlanes = new Buffer(device, Utilities.SizeOf<Vector4>() * 6, ResourceUsage.Default, BindFlags.ConstantBuffer, CpuAccessFlags.None, ResourceOptionFlags.None);
// View transformation variables
_cbViewTransformation = this._lightingEffect.GetConstantBufferByName("cbViewTransformation");
_evWorldViewProj = _cbViewTransformation.GetMemberByName("WorldViewProj").AsMatrix();
_evEyePosition = _cbViewTransformation.GetMemberByName("EyePosition").AsVector();
_cbMaterial = this._lightingEffect.GetConstantBufferByName("cbMaterial");
_evMaterialDiffuseColor = _cbMaterial.GetMemberByName("MaterialDiffuseColor").AsVector();
_evMaterialSpecularExponent = _cbMaterial.GetMemberByName("MaterialSpecularExponent").AsScalar();
_evMaterialSpecularExponent.Set(4.0f);
_evMaterialSpecularIntensity = _cbMaterial.GetMemberByName("MaterialSpecularIntensity").AsScalar();
_evMaterialSpecularIntensity.Set(1.0f);
_evMaterialDiffuseIntensity = _cbMaterial.GetMemberByName("MaterialDiffuseIntensity").AsScalar();
_evMaterialMetalnessValue = _cbMaterial.GetMemberByName("MaterialMetalnessValue").AsScalar();
_evMaterialMetalnessValue.Set(0.75f);
// Color providers
BindTextureFor1DColorProviders();
// Clip plane variables
_cbClipPlanes = this._lightingEffect.GetConstantBufferByName("cbClipPlanes");
for (i = 0; i < 6; ++i)
{
_evClipPlanes[i] = _cbClipPlanes.GetMemberByName("ClipPlane" + i.ToString(System.Globalization.CultureInfo.InvariantCulture)).AsVector();
}
// Lighting variables
_lighting.Initialize(_lightingEffect);
_lighting.SetDefaultLighting();
// --------------------
if (_drawing != null)
{
BringDrawingIntoBuffers(_drawing);
}
if (null != _markerGeometry)
{
BringMarkerGeometryIntoDeviceBuffers(_markerGeometry);
}
if (null != _overlayGeometry)
{
BringOverlayGeometryIntoDeviceBuffers(_overlayGeometry);
}
}
void CreateBuffers()
{
// New RenderTargetView from the backbuffer
using (var bb = Texture2D.FromSwapChain<Texture2D>(_swapChain, 0))
{
renderView = new RenderTargetView(_device, bb);
renderViews[0] = renderView;
}
Texture2DDescription gBufferDesc = new Texture2DDescription()
{
ArraySize = 1,
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Format = Format.R8G8B8A8_UNorm,
Width = _width,
Height = _height,
MipLevels = 1,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default
};
gBufferLight = new Texture2D(_device, gBufferDesc);
gBufferLightView = new RenderTargetView(_device, gBufferLight);
gBufferNormal = new Texture2D(_device, gBufferDesc);
gBufferNormalView = new RenderTargetView(_device, gBufferNormal);
gBufferDiffuse = new Texture2D(_device, gBufferDesc);
gBufferDiffuseView = new RenderTargetView(_device, gBufferDiffuse);
gBufferViews = new RenderTargetView[] { gBufferLightView, gBufferNormalView, gBufferDiffuseView };
ShaderResourceViewDescription gBufferResourceDesc = new ShaderResourceViewDescription()
{
Format = Format.R8G8B8A8_UNorm,
Dimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new ShaderResourceViewDescription.Texture2DResource()
{
MipLevels = 1,
MostDetailedMip = 0
}
};
lightBufferRes = new ShaderResourceView(_device, gBufferLight, gBufferResourceDesc);
normalBufferRes = new ShaderResourceView(_device, gBufferNormal, gBufferResourceDesc);
diffuseBufferRes = new ShaderResourceView(_device, gBufferDiffuse, gBufferResourceDesc);
Texture2DDescription depthDesc = new Texture2DDescription()
{
ArraySize = 1,
BindFlags = BindFlags.DepthStencil | BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Format = Format.R32_Typeless,
Width = _width,
Height = _height,
MipLevels = 1,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default
};
DepthStencilViewDescription depthViewDesc = new DepthStencilViewDescription()
{
Dimension = DepthStencilViewDimension.Texture2D,
Format = Format.D32_Float,
};
ShaderResourceViewDescription resourceDesc = new ShaderResourceViewDescription()
{
Format = Format.R32_Float,
Dimension = ShaderResourceViewDimension.Texture2D,
Texture2D = new ShaderResourceViewDescription.Texture2DResource()
{
MipLevels = 1,
MostDetailedMip = 0
}
};
depthTexture = new Texture2D(_device, depthDesc);
depthView = new DepthStencilView(_device, depthTexture, depthViewDesc);
depthRes = new ShaderResourceView(_device, depthTexture, resourceDesc);
lightDepthTexture = new Texture2D(_device, depthDesc);
lightDepthView = new DepthStencilView(_device, lightDepthTexture, depthViewDesc);
lightDepthRes = new ShaderResourceView(_device, lightDepthTexture, resourceDesc);
lightBufferVar = effect2.GetVariableByName("lightBuffer").AsShaderResource();
normalBufferVar = effect2.GetVariableByName("normalBuffer").AsShaderResource();
diffuseBufferVar = effect2.GetVariableByName("diffuseBuffer").AsShaderResource();
depthMapVar = effect2.GetVariableByName("depthMap").AsShaderResource();
lightDepthMapVar = effect2.GetVariableByName("lightDepthMap").AsShaderResource();
inverseProjectionVar = effect2.GetVariableByName("InverseProjection").AsMatrix();
inverseViewVar = effect2.GetVariableByName("InverseView").AsMatrix();
lightInverseViewProjectionVar = effect2.GetVariableByName("LightInverseViewProjection").AsMatrix();
lightPositionVar = effect2.GetVariableByName("LightPosition").AsVector();
eyePositionVar = effect2.GetVariableByName("EyePosition").AsVector();
eyeZAxisVar = effect2.GetVariableByName("EyeZAxis").AsVector();
tanHalfFOVXVar = effect2.GetVariableByName("TanHalfFOVX").AsScalar();
tanHalfFOVYVar = effect2.GetVariableByName("TanHalfFOVY").AsScalar();
projectionAVar = effect2.GetVariableByName("ProjectionA").AsScalar();
projectionBVar = effect2.GetVariableByName("ProjectionB").AsScalar();
overlayViewProjectionVar = effect2.GetVariableByName("OverlayViewProjection").AsMatrix();
_device.Rasterizer.SetViewports(new Viewport(0, 0, _width, _height));
}