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com.unity.demoteam.hair
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Load the serialized diameters into runtime memory and upload to GPU device.

This commit is contained in:
John Parsaie 2023-07-06 16:30:31 -04:00
Родитель c8c261d66e
Коммит 1b723437d8
3 изменённых файлов: 11 добавлений и 2 удалений
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4
Runtime/HairInstance.cs
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@ -1689,14 +1689,17 @@ namespace Unity.DemoTeam.Hair
using (var alignedRootDirection = new NativeArray<Vector4>(strandGroupAsset.strandCount, Allocator.Temp, NativeArrayOptions.ClearMemory))
using (var alignedParticlePosition = new NativeArray<Vector4>(strandGroupParticleCount, Allocator.Temp, NativeArrayOptions.ClearMemory))
using (var alignedParticleDiameter = new NativeArray<float>(strandGroupParticleCount, Allocator.Temp, NativeArrayOptions.ClearMemory))
{
unsafe
{
fixed (void* rootDirectionPtr = strandGroupAsset.rootDirection)
fixed (void* particlePositionPtr = strandGroupAsset.particlePosition)
fixed (void* particleDiameterPtr = strandGroupAsset.particleDiameter)
{
UnsafeUtility.MemCpyStride(alignedRootDirection.GetUnsafePtr(), sizeof(Vector4), rootDirectionPtr, sizeof(Vector3), sizeof(Vector3), strandGroupAsset.strandCount);
UnsafeUtility.MemCpyStride(alignedParticlePosition.GetUnsafePtr(), sizeof(Vector4), particlePositionPtr, sizeof(Vector3), sizeof(Vector3), strandGroupParticleCount);
UnsafeUtility.MemCpyStride(alignedParticleDiameter.GetUnsafePtr(), sizeof(float), particleDiameterPtr, sizeof(float), sizeof(float), strandGroupParticleCount);
}
}
@ -1709,6 +1712,7 @@ namespace Unity.DemoTeam.Hair
uploadCtx.SetData(solverData[i].initialRootDirection, alignedRootDirection);
uploadCtx.SetData(solverData[i].particlePosition, alignedParticlePosition);
uploadCtx.SetData(solverData[i].particleDiameter, alignedParticleDiameter);
uploadCtx.SetData(solverData[i].lodGuideCount, strandGroupAsset.lodGuideCount);
uploadCtx.SetData(solverData[i].lodGuideIndex, strandGroupAsset.lodGuideIndex);

6
Runtime/HairSim.cs
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@ -108,6 +108,7 @@ namespace Unity.DemoTeam.Hair
public static int _ParticlePositionCorr;
public static int _ParticleVelocity;
public static int _ParticleVelocityPrev;
public static int _ParticleDiameter;
public static int _LODGuideCount;
public static int _LODGuideIndex;
@ -704,7 +705,8 @@ namespace Unity.DemoTeam.Hair
changed |= CreateBuffer(ref solverData.particlePositionPrevPrev, "ParticlePosition_2", (Conf.SECOND_ORDER_UPDATE != 0) ? particleCount : 1, particleStrideVector4);
changed |= CreateBuffer(ref solverData.particleVelocity, "ParticleVelocity_0", particleCount, particleStrideVector4);
changed |= CreateBuffer(ref solverData.particleVelocityPrev, "ParticleVelocity_1", (Conf.SECOND_ORDER_UPDATE != 0) ? particleCount : 1, particleStrideVector4);
changed |= CreateBuffer(ref solverData.particleDiameter, "ParticleDiameter", particleCount, particleStrideScalar);
changed |= CreateBuffer(ref solverData.lodGuideCount, "LODGuideCount", Mathf.Max(1, lodCount), particleStrideIndex);
changed |= CreateBuffer(ref solverData.lodGuideIndex, "LODGuideIndex", Mathf.Max(1, lodCount) * strandCount, particleStrideIndex);
changed |= CreateBuffer(ref solverData.lodGuideCarry, "LODGuideCarry", Mathf.Max(1, lodCount) * strandCount, particleStrideScalar);
@ -819,6 +821,7 @@ namespace Unity.DemoTeam.Hair
ReleaseBuffer(ref solverData.particlePositionCorr);
ReleaseBuffer(ref solverData.particleVelocity);
ReleaseBuffer(ref solverData.particleVelocityPrev);
ReleaseBuffer(ref solverData.particleDiameter);
ReleaseBuffer(ref solverData.lodGuideCount);
ReleaseBuffer(ref solverData.lodGuideIndex);
@ -906,6 +909,7 @@ namespace Unity.DemoTeam.Hair
target.BindComputeBuffer(UniformIDs._ParticlePositionCorr, solverData.particlePositionCorr);
target.BindComputeBuffer(UniformIDs._ParticleVelocity, solverData.particleVelocity);
target.BindComputeBuffer(UniformIDs._ParticleVelocityPrev, solverData.particleVelocityPrev);
target.BindComputeBuffer(UniformIDs._ParticleDiameter, solverData.particleDiameter);
target.BindComputeBuffer(UniformIDs._LODGuideCount, solverData.lodGuideCount);
target.BindComputeBuffer(UniformIDs._LODGuideIndex, solverData.lodGuideIndex);

3
Runtime/HairSimData.cs
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@ -38,7 +38,8 @@ namespace Unity.DemoTeam.Hair
public ComputeBuffer particlePositionCorr; // xyz: ftl correction, w: -
public ComputeBuffer particleVelocity; // xyz: velocity, w: splatting weight
public ComputeBuffer particleVelocityPrev; // xyz: velocity, w: splatting weight
public ComputeBuffer particleDiameter; // x: diameter (mm)
public ComputeBuffer lodGuideCount; // n: lod index -> num. guides
public ComputeBuffer lodGuideIndex; // i: lod index * strand count + strand index -> guide index
public ComputeBuffer lodGuideCarry; // f: lod index * strand count + strand index -> guide carry