Misaki/com.misaki.ao-volume
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Misaki
2025-03-01 16:58:26 +09:00
parent 2f79df128e
commit 5f24e4c27d
6 changed files with 90 additions and 98 deletions
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69
Runtime/CustomPass/AoVolumePass.cs
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@@ -1,5 +1,6 @@
using Misaki.AoVolume;
using System.Buffers;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Unity.Collections;
using UnityEngine;
@@ -23,10 +24,13 @@ internal class AoVolumePass : CustomPass
[ResourcePath("Packages/com.misaki.ao-volume/Runtime/Shader/AoVolume.compute")]
public ComputeShader renderingShader;
private void ClearVisibleVolumeCounter()
[Range(16, 256)]
public int maxVolumeOnScreen = 64;
private void ClearCounterBuffer()
{
var zeroBuffer = new NativeArray<uint>(1, Allocator.Temp);
zeroBuffer[0] = 0;
zeroBuffer[0] = 0u;
_visibleVolumeCountBuffer.SetData(zeroBuffer);
zeroBuffer.Dispose();
}
@@ -37,48 +41,24 @@ internal class AoVolumePass : CustomPass
// The render pipeline will ensure target setup and clearing happens in an performance manner.
protected override void Setup(ScriptableRenderContext renderContext, CommandBuffer cmd)
{
_volumeBounds = new NativeArray<OrientedBoundingBox>(64, Allocator.Persistent);
_volumeBoundsBuffer = new ComputeBuffer(64, Marshal.SizeOf<OrientedBoundingBox>());
_visibleIndicesBuffer = new ComputeBuffer(64, Marshal.SizeOf<uint>(), ComputeBufferType.Raw);
_volumeBounds = new NativeArray<OrientedBoundingBox>(maxVolumeOnScreen, Allocator.Persistent);
_volumeBoundsBuffer = new ComputeBuffer(maxVolumeOnScreen, Marshal.SizeOf<OrientedBoundingBox>());
_visibleIndicesBuffer = new ComputeBuffer(maxVolumeOnScreen, Marshal.SizeOf<uint>(), ComputeBufferType.Raw);
_visibleVolumeCountBuffer = new ComputeBuffer(1, Marshal.SizeOf<uint>(), ComputeBufferType.Counter);
_volumeDataBuffer = new ComputeBuffer(64, Marshal.SizeOf<VolumeData>());
_volumeDataBuffer = new ComputeBuffer(maxVolumeOnScreen, Marshal.SizeOf<VolumeData>());
_volumeBuffer = RTHandles.Alloc(Vector2.one, useDynamicScale: true, dimension: TextureXR.dimension, enableRandomWrite: true, format: GraphicsFormat.R8_UNorm, name: "AO Volume Buffer");
ClearVisibleVolumeCounter();
ClearCounterBuffer();
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static int GetDepthPyramidMaxMipLevel(HDCamera hDCamera)
{
return Mathf.FloorToInt(Mathf.Log(Mathf.Min(hDCamera.actualWidth, hDCamera.actualHeight), 2)) - 1;
}
protected override void Execute(CustomPassContext ctx)
{
if (cullingShader == null || renderingShader == null)
{
return;
}
// Worth it to allocate a new buffer?
//if (Shader.GetGlobalTexture("_AmbientOcclusionTexture") is not RenderTexture gtaoBuffer)
//{
// return;
//}
var volumeCount = VolumeDatabase.Instance.EntityCount;
if (volumeCount <= 0)
{
return;
}
HierarchicalZCulling(ctx, volumeCount);
RenderVisibleVolumes(ctx);
//DebugVisibleVolumes();
ClearVisibleVolumeCounter();
}
private void HierarchicalZCulling(CustomPassContext ctx, int volumeCount)
{
for (var i = 0; i < volumeCount; i++)
@@ -141,6 +121,31 @@ internal class AoVolumePass : CustomPass
ArrayPool<uint>.Shared.Return(visibleVolumeIndices);
}
protected override void Execute(CustomPassContext ctx)
{
if (cullingShader == null || renderingShader == null)
{
return;
}
// Worth it to allocate a new buffer?
//if (Shader.GetGlobalTexture("_AmbientOcclusionTexture") is not RenderTexture gtaoBuffer)
//{
// return;
//}
var volumeCount = VolumeDatabase.Instance.EntityCount;
if (volumeCount <= 0)
{
return;
}
HierarchicalZCulling(ctx, volumeCount);
RenderVisibleVolumes(ctx);
//DebugVisibleVolumes();
ClearCounterBuffer();
}
protected override void Cleanup()
{
_volumeBounds.Dispose();