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This commit is contained in:
BobSong
2026-01-01 22:00:33 +08:00
parent 040a222bd6
commit 9ceffccd39
1800 changed files with 103929 additions and 139495 deletions
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93
Assets/Obi/Scripts/Common/Backends/Compute/Constraints/Density/ComputeDensityConstraintsBatch.cs
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@@ -1,93 +0,0 @@
using UnityEngine;
namespace Obi
{
public class ComputeDensityConstraintsBatch : ComputeConstraintsBatchImpl, IDensityConstraintsBatchImpl
{
public ComputeDensityConstraintsBatch(ComputeDensityConstraints constraints)
{
m_Constraints = constraints;
m_ConstraintType = Oni.ConstraintType.Density;
}
public override void Evaluate(float stepTime, float substepTime, int steps, float timeLeft)
{
if (solverImplementation.particleGrid.sortedFluidIndices != null && solverImplementation.cellCoordsBuffer != null)
{
var shader = ((ComputeDensityConstraints)m_Constraints).constraintsShader;
int densitiesKernel = ((ComputeDensityConstraints)m_Constraints).updateDensitiesKernel;
// Need to do this at least every simulation step, since fluid meshing reuses sorted arrays.
((ComputeDensityConstraints)m_Constraints).CopyDataInSortedOrder();
shader.SetInt("maxNeighbors", solverImplementation.particleGrid.maxParticleNeighbors);
shader.SetInt("mode", (int)solverImplementation.abstraction.parameters.mode);
shader.SetFloat("deltaTime", substepTime);
shader.SetVector("diffusionMask", solverAbstraction.parameters.diffusionMask);
// calculate densities:
shader.SetBuffer(densitiesKernel, "neighborCounts", this.solverImplementation.particleGrid.neighborCounts);
shader.SetBuffer(densitiesKernel, "neighbors", this.solverImplementation.particleGrid.neighbors);
shader.SetBuffer(densitiesKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetBuffer(densitiesKernel, "sortedFluidData", solverImplementation.particleGrid.sortedFluidData);
shader.SetBuffer(densitiesKernel, "sortedPositions", solverImplementation.particleGrid.sortedPositions);
shader.SetBuffer(densitiesKernel, "sortedPrevPositions", solverImplementation.particleGrid.sortedPrevPosOrientations);
shader.SetBuffer(densitiesKernel, "sortedFluidMaterials", solverImplementation.particleGrid.sortedFluidMaterials);
shader.SetBuffer(densitiesKernel, "sortedPrincipalRadii", solverImplementation.particleGrid.sortedPrincipalRadii);
shader.SetBuffer(densitiesKernel, "renderableOrientations", solverImplementation.orientationDeltasIntBuffer);
shader.SetBuffer(densitiesKernel, "prevPositions", solverImplementation.prevPositionsBuffer);
shader.SetBuffer(densitiesKernel, "massCenters", solverImplementation.normalsBuffer);
shader.SetBuffer(densitiesKernel, "prevMassCenters", solverImplementation.renderablePositionsBuffer);
shader.SetBuffer(densitiesKernel, "dispatchBuffer", solverImplementation.fluidDispatchBuffer);
shader.DispatchIndirect(densitiesKernel, solverImplementation.fluidDispatchBuffer);
}
}
public override void Apply(float substepTime)
{
if (solverImplementation.particleGrid.sortedFluidIndices != null && solverImplementation.cellCoordsBuffer != null)
{
var shader = ((ComputeDensityConstraints)m_Constraints).constraintsShader;
var applyPositionDeltaKernel = ((ComputeDensityConstraints)m_Constraints).applyPositionDeltaKernel;
var applyKernel = ((ComputeDensityConstraints)m_Constraints).applyKernel;
// calculate deltas:
shader.SetBuffer(applyKernel, "neighborCounts", this.solverImplementation.particleGrid.neighborCounts);
shader.SetBuffer(applyKernel, "neighbors", this.solverImplementation.particleGrid.neighbors);
shader.SetBuffer(applyKernel, "invMasses", solverImplementation.invMassesBuffer);
shader.SetBuffer(applyKernel, "sortedPositions", solverImplementation.particleGrid.sortedPositions);
shader.SetBuffer(applyKernel, "sortedPrevPositions", solverImplementation.particleGrid.sortedPrevPosOrientations);
shader.SetBuffer(applyKernel, "sortedFluidMaterials", solverImplementation.particleGrid.sortedFluidMaterials);
shader.SetBuffer(applyKernel, "sortedPrincipalRadii", solverImplementation.particleGrid.sortedPrincipalRadii);
shader.SetBuffer(applyKernel, "renderableOrientations", solverImplementation.orientationDeltasIntBuffer);
shader.SetBuffer(applyKernel, "prevPositions", solverImplementation.prevPositionsBuffer);
shader.SetBuffer(applyKernel, "massCenters", solverImplementation.normalsBuffer);
shader.SetBuffer(applyKernel, "prevMassCenters", solverImplementation.renderablePositionsBuffer);
shader.SetBuffer(applyKernel, "sortedFluidData", solverImplementation.particleGrid.sortedFluidData);
shader.SetBuffer(applyKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(applyKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(applyKernel, "sortedToOriginal", solverImplementation.particleGrid.sortedFluidIndices);
shader.SetBuffer(applyKernel, "dispatchBuffer", solverImplementation.fluidDispatchBuffer);
shader.DispatchIndirect(applyKernel, solverImplementation.fluidDispatchBuffer);
// apply position deltas
shader.SetBuffer(applyPositionDeltaKernel, "positions", solverImplementation.positionsBuffer);
shader.SetBuffer(applyPositionDeltaKernel, "fluidData", solverImplementation.fluidDataBuffer);
shader.SetBuffer(applyPositionDeltaKernel, "sortedFluidData", solverImplementation.particleGrid.sortedFluidData);
shader.SetBuffer(applyPositionDeltaKernel, "renderableOrientations", solverImplementation.orientationDeltasIntBuffer);
shader.SetBuffer(applyPositionDeltaKernel, "deltasAsInt", solverImplementation.positionDeltasIntBuffer);
shader.SetBuffer(applyPositionDeltaKernel, "positionConstraintCounts", solverImplementation.positionConstraintCountBuffer);
shader.SetBuffer(applyPositionDeltaKernel, "sortedToOriginal", solverImplementation.particleGrid.sortedFluidIndices);
shader.SetBuffer(applyPositionDeltaKernel, "dispatchBuffer", solverImplementation.fluidDispatchBuffer);
shader.DispatchIndirect(applyPositionDeltaKernel, solverImplementation.fluidDispatchBuffer);
}
}
}
}