public static RenderVoxelVolumeData GetDataForComponent(VoxelVolumeComponent component)
{
if (!renderVoxelVolumeData.TryGetValue(component, out var data))
{
return(null);
}
return(data);
}
public override Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent)
{
var name = ComputeNewName(parent, "Voxel volume");
var component = new VoxelVolumeComponent {
Attributes = { new VoxelAttributeEmissionOpacity() }
};
return(CreateEntityWithComponent(name, component));
}
public virtual void Draw(RenderDrawContext drawContext, IShadowMapRenderer ShadowMapRenderer)
{
if (renderVoxelVolumes == null)
{
return;
}
var context = drawContext;
var renderSystem = drawContext.RenderContext.RenderSystem;
using (drawContext.PushRenderTargetsAndRestore())
{
// Draw all shadow views generated for the current view
foreach (var renderView in renderSystem.Views)
{
VoxelVolumeComponent component = null;
if (reflectiveVoxelViews.TryGetValue(renderView, out component))
{
RenderView voxelizeRenderView = renderView;
var data = renderVoxelVolumeData[component];
if (data.ClipMapResolution.X < 16 || data.ClipMapResolution.Y < 16 || data.ClipMapResolution.Z < 16)
{
continue;
}
//Render Shadow Maps
RenderView oldView = drawContext.RenderContext.RenderView;
drawContext.RenderContext.RenderView = voxelizeRenderView;
ShadowMapRenderer.Draw(drawContext);
drawContext.RenderContext.RenderView = oldView;
//Render/Collect voxel fragments
using (drawContext.QueryManager.BeginProfile(Color.Black, FragmentVoxelizationProfilingKey))
{
drawContext.CommandList.ResetTargets();
drawContext.CommandList.SetRenderTarget(null, MSAARenderTarget);
float maxResolution = Math.Max(Math.Max(data.ClipMapResolution.X, data.ClipMapResolution.Y), data.ClipMapResolution.Z);
drawContext.CommandList.SetViewport(new Viewport(0, 0, (int)maxResolution, (int)maxResolution));
renderSystem.Draw(drawContext, voxelizeRenderView, renderSystem.RenderStages[voxelizeRenderView.RenderStages[0].Index]);
}
//Fill and write to voxel volume
using (drawContext.QueryManager.BeginProfile(Color.Black, ArrangementVoxelizationProfilingKey))
{
context.CommandList.ClearReadWrite(data.ClipMaps, new Vector4(0.0f));
ArrangeFragments.ThreadGroupCounts = new Int3(16, 16, 1);
ArrangeFragments.ThreadNumbers = new Int3((int)data.ClipMapResolution.X / ArrangeFragments.ThreadGroupCounts.X, (int)data.ClipMapResolution.Y / ArrangeFragments.ThreadGroupCounts.Y, data.ClipMapCount / ArrangeFragments.ThreadGroupCounts.Z);
ArrangeFragments.Parameters.Set(ArrangeFragmentsKeys.VoxelFragmentsCounts, FragmentsCounter);
ArrangeFragments.Parameters.Set(ArrangeFragmentsKeys.VoxelFragments, Fragments);
ArrangeFragments.Parameters.Set(ArrangeFragmentsKeys.VoxelVolumeW0, data.ClipMaps);
ArrangeFragments.Parameters.Set(ArrangeFragmentsKeys.clipMapResolution, data.ClipMapResolution);
((RendererBase)ArrangeFragments).Draw(context);
context.CommandList.ClearReadWrite(FragmentsCounter, new Vector4(0));
}
//Mipmap
using (drawContext.QueryManager.BeginProfile(Color.Black, MipmappingVoxelizationProfilingKey))
{
ClearBuffer.ThreadGroupCounts = new Int3(64, 1, 1);
ClearBuffer.ThreadNumbers = new Int3(FragmentsCounter.ElementCount / ClearBuffer.ThreadGroupCounts.X, 1 / ClearBuffer.ThreadGroupCounts.Y, 1 / ClearBuffer.ThreadGroupCounts.Z);
ClearBuffer.Parameters.Set(ClearBufferKeys.buffer, FragmentsCounter);
((RendererBase)ClearBuffer).Draw(context);
//Mipmap
Vector3 resolution = data.ClipMapResolution;
Int3 threadGroupCounts = new Int3(8, 8, 8);
for (int i = 0; i < TempMipMaps.Length - 1; i++)
{
resolution /= 2;
if (resolution.X < threadGroupCounts.X || resolution.Y < threadGroupCounts.Y || resolution.Z < threadGroupCounts.Z)
{
threadGroupCounts /= 4;
if (threadGroupCounts.X < 1)
{
threadGroupCounts.X = 1;
}
if (threadGroupCounts.Y < 1)
{
threadGroupCounts.Y = 1;
}
if (threadGroupCounts.Z < 1)
{
threadGroupCounts.Z = 1;
}
}
Generate3DMipmaps.ThreadGroupCounts = threadGroupCounts;
Generate3DMipmaps.ThreadNumbers = new Int3((int)resolution.X / threadGroupCounts.X, (int)resolution.Y / threadGroupCounts.Y, (int)resolution.Z / threadGroupCounts.Z);
if (i == 0)
{
Generate3DMipmaps.Parameters.Set(Generate3DMipmapsKeys.VoxelsTexR, data.ClipMaps);
}
else
{
Generate3DMipmaps.Parameters.Set(Generate3DMipmapsKeys.VoxelsTexR, TempMipMaps[i - 1]);
}
Generate3DMipmaps.Parameters.Set(Generate3DMipmapsKeys.VoxelsTexW, TempMipMaps[i]);
((RendererBase)Generate3DMipmaps).Draw(context);
//Don't seem to be able to read and write to the same texture, even if the views
//point to different mipmaps.
context.CommandList.CopyRegion(TempMipMaps[i], 0, null, data.MipMaps, i);
}
}
}
}
}
}
