protected override void ProcessPipelineState(RenderContext context, RenderNodeReference renderNodeReference, ref RenderNode renderNode, RenderObject renderObject, PipelineStateDescription pipelineState)
{
var renderMesh = (RenderMesh)renderObject;
var drawData = renderMesh.ActiveMeshDraw;
pipelineState.InputElements = PrepareInputElements(pipelineState, drawData);
pipelineState.PrimitiveType = drawData.PrimitiveType;
// Prepare each sub render feature
foreach (var renderFeature in RenderFeatures)
{
renderFeature.ProcessPipelineState(context, renderNodeReference, ref renderNode, renderObject, pipelineState);
}
}
public abstract bool IsVisible(RenderObject renderObject, RenderView renderView, RenderViewStage renderViewStage);
/// <summary>
/// Does any changes required to the pipeline state by this render feature.
/// </summary>
/// <param name="context">Context object providing access to information and services.</param>
/// <param name="renderNodeReference"></param>
/// <param name="renderNode"></param>
/// <param name="renderObject"></param>
/// <param name="pipelineState"></param>
public virtual void ProcessPipelineState(RenderContext context, RenderNodeReference renderNodeReference, ref RenderNode renderNode, RenderObject renderObject, PipelineStateDescription pipelineState)
{
}
/// <summary>
/// Removes a <see cref="RenderObject"/> from the rendering.
/// </summary>
/// <param name="renderObject"></param>
public void RemoveRenderObject(RenderObject renderObject)
{
var renderFeature = renderObject.RenderFeature;
renderFeature?.RemoveRenderObject(renderObject);
}
/// <summary>
/// Implemented by subclasses to reset effect dependent data.
/// </summary>
protected virtual void InvalidateEffectPermutation(RenderObject renderObject, RenderEffect renderEffect)
{
}
public override void Process(RenderNodeReference renderNodeReference, ref RenderNode renderNode, RenderObject renderObject, PipelineStateDescription pipelineState)
{
var output = renderNode.RenderStage.Output;
var isMultisample = output.MultisampleCount != MultisampleCount.None;
var renderMesh = (RenderMesh)renderObject;
// Make object in transparent stage use AlphaBlend and DepthRead
if (renderNode.RenderStage == TransparentRenderStage)
{
pipelineState.BlendState = renderMesh.MaterialPass.BlendState ?? BlendStates.AlphaBlend;
pipelineState.DepthStencilState = DepthStencilStates.DepthRead;
if (isMultisample)
{
pipelineState.BlendState.AlphaToCoverageEnable = renderMesh.MaterialPass.AlphaToCoverage ?? true;
}
}
var cullMode = pipelineState.RasterizerState.CullMode;
// Apply material cull mode
var cullModeOverride = renderMesh.MaterialInfo.CullMode;
// No override, or already two-sided?
if (cullModeOverride.HasValue && cullMode != CullMode.None)
{
if (cullModeOverride.Value == CullMode.None)
{
// Override to two-sided
cullMode = CullMode.None;
}
else if (cullModeOverride.Value == cullMode)
{
// No or double flipping
cullMode = CullMode.Back;
}
else
{
// Single flipping
cullMode = CullMode.Front;
}
}
// Flip faces when geometry is inverted
if (renderMesh.IsScalingNegative)
{
if (cullMode == CullMode.Front)
{
cullMode = CullMode.Back;
}
else if (cullMode == CullMode.Back)
{
cullMode = CullMode.Front;
}
}
pipelineState.RasterizerState.CullMode = cullMode;
if (isMultisample)
{
pipelineState.RasterizerState.MultisampleCount = output.MultisampleCount;
pipelineState.RasterizerState.MultisampleAntiAliasLine = true;
}
pipelineState.RasterizerState.ScissorTestEnable = output.ScissorTestEnable;
}
public abstract void Process(RenderObject renderObject);
public override void Process(RenderNodeReference renderNodeReference, ref RenderNode renderNode, RenderObject renderObject, PipelineStateDescription pipelineState)
{
if (renderNode.RenderStage == RenderStage)
{
pipelineState.RasterizerState = RasterizerStates.Wireframe;
}
}
public override void Process(RenderNodeReference renderNodeReference, ref RenderNode renderNode, RenderObject renderObject, PipelineStateDescription pipelineState)
{
// Objects in the shadow map render stage disable culling and depth clip
if (renderNode.RenderStage == ShadowMapRenderStage)
{
pipelineState.RasterizerState = new RasterizerStateDescription(CullMode.None)
{
DepthClipEnable = DepthClipping
};
}
}
public abstract void Process(RenderNodeReference renderNodeReference, ref RenderNode renderNode, RenderObject renderObject, PipelineStateDescription pipelineState);