public override void Render(RenderContext context, DeviceContextProxy deviceContext)
{
if (!NeedRender)
{
modelStruct.HasShadowMap = 0;
modelCB.Upload(deviceContext, ref modelStruct);
return;
}
OnUpdateLightSource?.Invoke(this, new UpdateLightSourceEventArgs(context));
++currentFrame;
currentFrame %= Math.Max(1, UpdateFrequency);
if (!FoundLightSource || currentFrame != 0)
{
return;
}
if (resolutionChanged)
{
RemoveAndDispose(ref viewResource);
viewResource = new ShaderResourceViewProxy(Device, ShadowMapTextureDesc);
viewResource.CreateView(DepthStencilViewDesc);
viewResource.CreateView(ShaderResourceViewDesc);
resolutionChanged = false;
}
deviceContext.ClearDepthStencilView(viewResource, DepthStencilClearFlags.Depth, 1.0f, 0);
var orgFrustum = context.BoundingFrustum;
var frustum = new BoundingFrustum(LightView * LightProjection);
context.BoundingFrustum = frustum;
#if !TEST
deviceContext.SetViewport(0, 0, Width, Height);
deviceContext.SetDepthStencil(viewResource.DepthStencilView);
modelStruct.HasShadowMap = context.RenderHost.IsShadowMapEnabled ? 1 : 0;
modelCB.Upload(deviceContext, ref modelStruct);
for (var i = 0; i < context.RenderHost.PerFrameOpaqueNodes.Count; ++i)
{
//Only support opaque object for throwing shadows.
var core = context.RenderHost.PerFrameOpaqueNodes[i];
if (core.RenderCore.IsThrowingShadow && core.TestViewFrustum(ref frustum))
{
core.RenderShadow(context, deviceContext);
}
}
context.BoundingFrustum = orgFrustum;
context.RenderHost.SetDefaultRenderTargets(false);
context.SharedResource.ShadowView = viewResource;
#endif
}
protected override void OnRender(RenderContext renderContext, DeviceContextProxy deviceContext)
{
if (needsAssignVariables)
{
lock (clipParamCB)
{
if (needsAssignVariables)
{
clipParamCB.WriteValueByName(ClipPlaneStruct.CuttingOperationStr, (int)cuttingOperation);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossSectionColorStr, sectionColor);
clipParamCB.WriteValueByName(ClipPlaneStruct.EnableCrossPlaneStr, planeEnabled);
clipParamCB.WriteValueByName(ClipPlaneStruct.EnableCrossPlane5To8Str, plane5To8Enabled);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane1ParamsStr, plane1Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane2ParamsStr, plane2Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane3ParamsStr, plane3Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane4ParamsStr, plane4Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane5ParamsStr, plane5Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane6ParamsStr, plane6Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane7ParamsStr, plane7Params);
clipParamCB.WriteValueByName(ClipPlaneStruct.CrossPlane8ParamsStr, plane8Params);
needsAssignVariables = false;
}
}
}
clipParamCB.Upload(deviceContext);
base.OnRender(renderContext, deviceContext);
// Draw backface into stencil buffer
var dsView = renderContext.RenderHost.DepthStencilBufferView;
deviceContext.ClearDepthStencilView(dsView, DepthStencilClearFlags.Stencil, 0, 0);
deviceContext.SetDepthStencil(dsView);//Remove render target
deviceContext.SetRasterState(backfaceRasterState);
drawBackfacePass.BindShader(deviceContext);
drawBackfacePass.BindStates(deviceContext, StateType.BlendState | StateType.DepthStencilState);
DrawIndexed(deviceContext, GeometryBuffer.IndexBuffer, InstanceBuffer);
//Draw full screen quad to fill cross section
deviceContext.SetRasterState(RasterState);
drawScreenQuadPass.BindShader(deviceContext);
drawScreenQuadPass.BindStates(deviceContext, StateType.BlendState | StateType.DepthStencilState);
renderContext.RenderHost.SetDefaultRenderTargets(false);//Rebind render target
deviceContext.Draw(4, 0);
}