/// <inheritdoc/>
public override unsafe void Prepare(RenderDrawContext context)
{
// Reset pipeline states if necessary
for (int renderNodeIndex = 0; renderNodeIndex < RenderNodes.Count; renderNodeIndex++)
{
var renderNode = RenderNodes[renderNodeIndex];
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
if (renderParticleEmitter.ParticleEmitter.VertexBuilder.IsBufferDirty)
{
// Reset pipeline state, so input layout is regenerated
if (renderNode.RenderEffect != null)
{
renderNode.RenderEffect.PipelineState = null;
}
}
}
foreach (var renderObject in RenderObjects)
{
var renderParticleEmitter = (RenderParticleEmitter)renderObject;
renderParticleEmitter.ParticleEmitter.PrepareForDraw();
var materialInfo = (ParticleMaterialInfo)renderParticleEmitter.ParticleMaterialInfo;
// Handle vertex element changes
if (renderParticleEmitter.ParticleEmitter.VertexBuilder.IsBufferDirty)
{
// Create new buffers
renderParticleEmitter.ParticleEmitter.VertexBuilder.RecreateBuffers(RenderSystem.GraphicsDevice);
}
// TODO: ParticleMaterial should set this up
materialInfo?.Material.Parameters.Set(ParticleBaseKeys.ColorScale, renderParticleEmitter.RenderParticleSystem.ParticleSystemComponent.Color);
}
base.Prepare(context);
// Assign descriptor sets to each render node
var resourceGroupPool = ResourceGroupPool;
for (int renderNodeIndex = 0; renderNodeIndex < RenderNodes.Count; renderNodeIndex++)
{
var renderNodeReference = new RenderNodeReference(renderNodeIndex);
var renderNode = RenderNodes[renderNodeIndex];
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
// Ignore fallback effects
if (renderNode.RenderEffect.State != RenderEffectState.Normal)
{
continue;
}
// Collect materials and create associated MaterialInfo (includes reflection) first time
// TODO: We assume same material will generate same ResourceGroup (i.e. same resources declared in same order)
// Need to offer some protection if this invariant is violated (or support it if it can actually happen in real scenario)
var material = renderParticleEmitter.ParticleEmitter.Material;
var materialInfo = renderParticleEmitter.ParticleMaterialInfo;
var materialParameters = material.Parameters;
if (!MaterialRenderFeature.UpdateMaterial(RenderSystem, context, materialInfo, perMaterialDescriptorSetSlot.Index, renderNode.RenderEffect, materialParameters))
{
continue;
}
var descriptorSetPoolOffset = ComputeResourceGroupOffset(renderNodeReference);
resourceGroupPool[descriptorSetPoolOffset + perMaterialDescriptorSetSlot.Index] = materialInfo.Resources;
}
// Per view
// TODO: Transform sub render feature?
for (int index = 0; index < RenderSystem.Views.Count; index++)
{
var view = RenderSystem.Views[index];
var viewFeature = view.Features[Index];
// TODO GRAPHICS REFACTOR: Happens in several places
Matrix.Multiply(ref view.View, ref view.Projection, out view.ViewProjection);
// Copy ViewProjection to PerFrame cbuffer
foreach (var viewLayout in viewFeature.Layouts)
{
var viewProjectionOffset = viewLayout.GetConstantBufferOffset(this.view);
if (viewProjectionOffset == -1)
{
continue;
}
var resourceGroup = viewLayout.Entries[view.Index].Resources;
var mappedCB = resourceGroup.ConstantBuffer.Data;
var perView = (Matrix *)((byte *)mappedCB + viewProjectionOffset);
* perView = view.ViewProjection;
}
}
}
/// <inheritdoc/>
public override unsafe void Prepare(RenderDrawContext context)
{
// Inspect each RenderObject (= ParticleEmitter) to determine if its required vertex buffer size has changed
foreach (var renderObject in RenderObjects)
{
var renderParticleEmitter = (RenderParticleEmitter)renderObject;
renderParticleEmitter.ParticleEmitter.PrepareForDraw(out renderParticleEmitter.HasVertexBufferChanged,
out renderParticleEmitter.VertexSize, out renderParticleEmitter.VertexCount);
// TODO: ParticleMaterial should set this up
var materialInfo = (ParticleMaterialInfo)renderParticleEmitter.ParticleMaterialInfo;
var colorShade = renderParticleEmitter.Color.ToColorSpace(context.GraphicsDevice.ColorSpace);
materialInfo?.Material.Parameters.Set(ParticleBaseKeys.ColorScale, colorShade);
}
// Calculate the total vertex buffer size required
int totalVertexBufferSize = 0;
int highestIndexCount = 0;
var renderParticleNodeData = RenderData.GetData(renderParticleNodeKey);
// Reset pipeline states if necessary
for (int renderNodeIndex = 0; renderNodeIndex < RenderNodes.Count; renderNodeIndex++)
{
var renderNode = RenderNodes[renderNodeIndex];
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
if (renderParticleEmitter.HasVertexBufferChanged)
{
// Reset pipeline state, so input layout is regenerated
if (renderNode.RenderEffect != null)
{
renderNode.RenderEffect.PipelineState = null;
}
}
// Write some attributes back which we will need for rendering later
var vertexBuilder = renderParticleEmitter.ParticleEmitter.VertexBuilder;
var newNodeData = new RenderAttributesPerNode
{
VertexBufferOffset = totalVertexBufferSize,
VertexBufferSize = renderParticleEmitter.VertexSize * renderParticleEmitter.VertexCount,
VertexBufferStride = renderParticleEmitter.VertexSize,
IndexCount = vertexBuilder.LivingQuads * vertexBuilder.IndicesPerQuad,
};
renderParticleNodeData[new RenderNodeReference(renderNodeIndex)] = newNodeData;
totalVertexBufferSize += newNodeData.VertexBufferSize;
if (newNodeData.IndexCount > highestIndexCount)
{
highestIndexCount = newNodeData.IndexCount;
}
}
base.Prepare(context);
// Assign descriptor sets to each render node
var resourceGroupPool = ResourceGroupPool;
for (int renderNodeIndex = 0; renderNodeIndex < RenderNodes.Count; renderNodeIndex++)
{
var renderNodeReference = new RenderNodeReference(renderNodeIndex);
var renderNode = RenderNodes[renderNodeIndex];
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
// Ignore fallback effects
if (renderNode.RenderEffect.State != RenderEffectState.Normal)
{
continue;
}
// Collect materials and create associated MaterialInfo (includes reflection) first time
// TODO: We assume same material will generate same ResourceGroup (i.e. same resources declared in same order)
// Need to offer some protection if this invariant is violated (or support it if it can actually happen in real scenario)
var material = renderParticleEmitter.ParticleEmitter.Material;
var materialInfo = renderParticleEmitter.ParticleMaterialInfo;
var materialParameters = material.Parameters;
if (!MaterialRenderFeature.UpdateMaterial(RenderSystem, context, materialInfo, perMaterialDescriptorSetSlot.Index, renderNode.RenderEffect, materialParameters))
{
continue;
}
var descriptorSetPoolOffset = ComputeResourceGroupOffset(renderNodeReference);
resourceGroupPool[descriptorSetPoolOffset + perMaterialDescriptorSetSlot.Index] = materialInfo.Resources;
}
particleBufferContext.AllocateBuffers(context, totalVertexBufferSize, highestIndexCount);
BuildParticleBuffers(context);
}
/// <inheritdoc/>
public override unsafe void Prepare(RenderDrawContext context)
{
// Inspect each RenderObject (= ParticleEmitter) to determine if its required vertex buffer size has changed
foreach (var renderObject in RenderObjects)
{
var renderParticleEmitter = (RenderParticleEmitter)renderObject;
renderParticleEmitter.ParticleEmitter.PrepareForDraw(out renderParticleEmitter.HasVertexBufferChanged,
out renderParticleEmitter.VertexSize, out renderParticleEmitter.VertexCount);
// TODO: ParticleMaterial should set this up
var materialInfo = (ParticleMaterialInfo)renderParticleEmitter.ParticleMaterialInfo;
materialInfo?.Material.Parameters.Set(ParticleBaseKeys.ColorScale, renderParticleEmitter.RenderParticleSystem.ParticleSystemComponent.Color);
}
// Calculate the total vertex buffer size required
int totalVertexBufferSize = 0;
int highestIndexCount = 0;
var renderParticleNodeData = RenderData.GetData(renderParticleNodeKey);
// Reset pipeline states if necessary
for (int renderNodeIndex = 0; renderNodeIndex < RenderNodes.Count; renderNodeIndex++)
{
var renderNode = RenderNodes[renderNodeIndex];
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
if (renderParticleEmitter.HasVertexBufferChanged)
{
// Reset pipeline state, so input layout is regenerated
if (renderNode.RenderEffect != null)
{
renderNode.RenderEffect.PipelineState = null;
}
}
// Write some attributes back which we will need for rendering later
var vertexBuilder = renderParticleEmitter.ParticleEmitter.VertexBuilder;
var newNodeData = new RenderAttributesPerNode
{
VertexBufferOffset = totalVertexBufferSize,
VertexBufferSize = renderParticleEmitter.VertexSize * renderParticleEmitter.VertexCount,
VertexBufferStride = renderParticleEmitter.VertexSize,
IndexCount = vertexBuilder.LivingQuads * vertexBuilder.IndicesPerQuad,
};
renderParticleNodeData[new RenderNodeReference(renderNodeIndex)] = newNodeData;
totalVertexBufferSize += newNodeData.VertexBufferSize;
if (newNodeData.IndexCount > highestIndexCount)
{
highestIndexCount = newNodeData.IndexCount;
}
}
base.Prepare(context);
// Assign descriptor sets to each render node
var resourceGroupPool = ResourceGroupPool;
for (int renderNodeIndex = 0; renderNodeIndex < RenderNodes.Count; renderNodeIndex++)
{
var renderNodeReference = new RenderNodeReference(renderNodeIndex);
var renderNode = RenderNodes[renderNodeIndex];
var renderParticleEmitter = (RenderParticleEmitter)renderNode.RenderObject;
// Ignore fallback effects
if (renderNode.RenderEffect.State != RenderEffectState.Normal)
{
continue;
}
// Collect materials and create associated MaterialInfo (includes reflection) first time
// TODO: We assume same material will generate same ResourceGroup (i.e. same resources declared in same order)
// Need to offer some protection if this invariant is violated (or support it if it can actually happen in real scenario)
var material = renderParticleEmitter.ParticleEmitter.Material;
var materialInfo = renderParticleEmitter.ParticleMaterialInfo;
var materialParameters = material.Parameters;
if (!MaterialRenderFeature.UpdateMaterial(RenderSystem, context, materialInfo, perMaterialDescriptorSetSlot.Index, renderNode.RenderEffect, materialParameters))
{
continue;
}
var descriptorSetPoolOffset = ComputeResourceGroupOffset(renderNodeReference);
resourceGroupPool[descriptorSetPoolOffset + perMaterialDescriptorSetSlot.Index] = materialInfo.Resources;
}
// Per view
// TODO: Transform sub render feature?
for (int index = 0; index < RenderSystem.Views.Count; index++)
{
var view = RenderSystem.Views[index];
var viewFeature = view.Features[Index];
// TODO GRAPHICS REFACTOR: Happens in several places
Matrix.Multiply(ref view.View, ref view.Projection, out view.ViewProjection);
// Copy ViewProjection to PerFrame cbuffer
foreach (var viewLayout in viewFeature.Layouts)
{
var resourceGroup = viewLayout.Entries[view.Index].Resources;
var mappedCB = resourceGroup.ConstantBuffer.Data;
// PerView constant buffer
var perViewOffset = viewLayout.GetConstantBufferOffset(this.perViewCBufferOffset);
if (perViewOffset != -1)
{
var perView = (ParticleUtilitiesPerView *)((byte *)mappedCB + perViewOffset);
perView->ViewMatrix = view.View;
perView->ProjectionMatrix = view.Projection;
perView->ViewProjectionMatrix = view.ViewProjection;
perView->ViewFrustum = new Vector4(view.ViewSize.X, view.ViewSize.Y, view.NearClipPlane, view.FarClipPlane);
}
}
}
particleBufferContext.AllocateBuffers(context, totalVertexBufferSize, highestIndexCount);
BuildParticleBuffers(context);
}