forked from BilalY/Rasagar
618 lines
26 KiB
C#
618 lines
26 KiB
C#
using System;
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using System.Collections.Generic;
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using Unity.Collections;
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using Unity.Collections.LowLevel.Unsafe;
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using Unity.Mathematics;
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using UnityEngine.Rendering.RenderGraphModule;
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namespace UnityEngine.Rendering
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{
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[GenerateHLSL]
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internal enum OcclusionCullingCommonConfig
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{
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MaxOccluderMips = 8,
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MaxOccluderSilhouettePlanes = 6,
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MaxSubviewsPerView = 6,
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DebugPyramidOffset = 4, // TODO: rename
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}
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[GenerateHLSL(needAccessors = false)]
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internal enum OcclusionTestDebugFlag
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{
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AlwaysPass = (1 << 0),
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CountVisible = (1 << 1),
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}
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internal struct OcclusionTestComputeShader
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{
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public ComputeShader cs;
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public LocalKeyword occlusionDebugKeyword;
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public void Init(ComputeShader cs)
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{
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this.cs = cs;
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this.occlusionDebugKeyword = new LocalKeyword(cs, "OCCLUSION_DEBUG");
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}
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}
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internal struct SilhouettePlaneCache : IDisposable
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{
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private struct Slot
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{
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public bool isActive;
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public int viewInstanceID;
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public int planeCount; // planeIndex = slotIndex * kMaxSilhouettePlanes
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public int lastUsedFrameIndex;
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public Slot(int viewInstanceID, int planeCount, int frameIndex)
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{
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this.isActive = true;
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this.viewInstanceID = viewInstanceID;
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this.planeCount = planeCount;
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this.lastUsedFrameIndex = frameIndex;
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}
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}
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private const int kMaxSilhouettePlanes = (int)OcclusionCullingCommonConfig.MaxOccluderSilhouettePlanes;
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private NativeParallelHashMap<int, int> m_SubviewIDToIndexMap;
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private NativeList<int> m_SlotFreeList;
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private NativeList<Slot> m_Slots;
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private NativeList<Plane> m_PlaneStorage;
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public void Init()
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{
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m_SubviewIDToIndexMap = new NativeParallelHashMap<int, int>(16, Allocator.Persistent);
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m_SlotFreeList = new NativeList<int>(16, Allocator.Persistent);
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m_Slots = new NativeList<Slot>(16, Allocator.Persistent);
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m_PlaneStorage = new NativeList<Plane>(16 * kMaxSilhouettePlanes, Allocator.Persistent);
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}
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public void Dispose()
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{
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m_SubviewIDToIndexMap.Dispose();
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m_SlotFreeList.Dispose();
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m_Slots.Dispose();
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m_PlaneStorage.Dispose();
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}
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public void Update(int viewInstanceID, NativeArray<Plane> planes, int frameIndex)
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{
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int planeCount = Math.Min(planes.Length, kMaxSilhouettePlanes);
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if (!m_SubviewIDToIndexMap.TryGetValue(viewInstanceID, out int slotIndex))
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{
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if (m_SlotFreeList.Length > 0)
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{
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// take a free slot from the free list
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slotIndex = m_SlotFreeList[m_SlotFreeList.Length - 1];
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m_SlotFreeList.Length = m_SlotFreeList.Length - 1;
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}
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else
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{
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// ensure we have capacity for a few more
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if (m_Slots.Length == m_Slots.Capacity)
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{
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int newCapacity = m_Slots.Length + 8;
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m_Slots.SetCapacity(newCapacity);
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m_PlaneStorage.SetCapacity(newCapacity * kMaxSilhouettePlanes);
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}
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// use the next slot in storage
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slotIndex = m_Slots.Length;
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int newSlotCount = slotIndex + 1;
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m_Slots.ResizeUninitialized(newSlotCount);
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m_PlaneStorage.ResizeUninitialized(newSlotCount * kMaxSilhouettePlanes);
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}
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// associate with this view ID
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m_SubviewIDToIndexMap.Add(viewInstanceID, slotIndex);
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}
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m_Slots[slotIndex] = new Slot(viewInstanceID, planeCount, frameIndex);
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m_PlaneStorage.AsArray().GetSubArray(slotIndex * kMaxSilhouettePlanes, planeCount).CopyFrom(planes);
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}
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public void FreeUnusedSlots(int frameIndex, int maximumAge)
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{
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for (int slotIndex = 0; slotIndex < m_Slots.Length; ++slotIndex)
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{
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var slot = m_Slots[slotIndex];
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if (!slot.isActive)
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continue;
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if ((frameIndex - slot.lastUsedFrameIndex) > maximumAge)
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{
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slot.isActive = false;
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m_Slots[slotIndex] = slot;
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m_SubviewIDToIndexMap.Remove(slot.viewInstanceID);
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m_SlotFreeList.Add(slotIndex);
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}
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}
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}
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public NativeArray<Plane> GetSubArray(int viewInstanceID)
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{
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int planeOffset = 0;
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int planeCount = 0;
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if (m_SubviewIDToIndexMap.TryGetValue(viewInstanceID, out int slotIndex))
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{
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planeOffset = slotIndex * kMaxSilhouettePlanes;
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planeCount = m_Slots[slotIndex].planeCount;
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}
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return m_PlaneStorage.AsArray().GetSubArray(planeOffset, planeCount);
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}
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}
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internal class OcclusionCullingCommon : IDisposable
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{
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private struct OccluderContextSlot
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{
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public bool valid;
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public int lastUsedFrameIndex;
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public int viewInstanceID;
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}
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private static readonly int s_MaxContextGCFrame = 8; // Allow a few frames for alternate frame shadow updates before cleanup
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private Material m_DebugOcclusionTestMaterial;
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private Material m_OccluderDebugViewMaterial;
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private ComputeShader m_OcclusionDebugCS;
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private int m_ClearOcclusionDebugKernel;
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private ComputeShader m_OccluderDepthPyramidCS;
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private int m_OccluderDepthDownscaleKernel;
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private int m_FrameIndex = 0;
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private SilhouettePlaneCache m_SilhouettePlaneCache;
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private NativeParallelHashMap<int, int> m_ViewIDToIndexMap;
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private List<OccluderContext> m_OccluderContextData;
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private NativeList<OccluderContextSlot> m_OccluderContextSlots;
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private NativeList<int> m_FreeOccluderContexts;
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private NativeArray<OcclusionCullingCommonShaderVariables> m_CommonShaderVariables;
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private ComputeBuffer m_CommonConstantBuffer;
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private NativeArray<OcclusionCullingDebugShaderVariables> m_DebugShaderVariables;
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private ComputeBuffer m_DebugConstantBuffer;
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private ProfilingSampler m_ProfilingSamplerUpdateOccluders;
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private ProfilingSampler m_ProfilingSamplerOcclusionTestOverlay;
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private ProfilingSampler m_ProfilingSamplerOccluderOverlay;
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internal void Init(GPUResidentDrawerResources resources)
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{
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m_DebugOcclusionTestMaterial = CoreUtils.CreateEngineMaterial(resources.debugOcclusionTestPS);
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m_OccluderDebugViewMaterial = CoreUtils.CreateEngineMaterial(resources.debugOccluderPS);
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m_OcclusionDebugCS = resources.occlusionCullingDebugKernels;
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m_ClearOcclusionDebugKernel = m_OcclusionDebugCS.FindKernel("ClearOcclusionDebug");
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m_OccluderDepthPyramidCS = resources.occluderDepthPyramidKernels;
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m_OccluderDepthDownscaleKernel = m_OccluderDepthPyramidCS.FindKernel("OccluderDepthDownscale");
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m_SilhouettePlaneCache.Init();
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m_ViewIDToIndexMap = new NativeParallelHashMap<int, int>(64, Allocator.Persistent);
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m_OccluderContextData = new List<OccluderContext>();
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m_OccluderContextSlots = new NativeList<OccluderContextSlot>(64, Allocator.Persistent);
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m_FreeOccluderContexts = new NativeList<int>(64, Allocator.Persistent);
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m_ProfilingSamplerUpdateOccluders = new ProfilingSampler("UpdateOccluders");
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m_ProfilingSamplerOcclusionTestOverlay = new ProfilingSampler("OcclusionTestOverlay");
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m_ProfilingSamplerOccluderOverlay = new ProfilingSampler("OccluderOverlay");
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m_CommonShaderVariables = new NativeArray<OcclusionCullingCommonShaderVariables>(1, Allocator.Persistent);
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m_CommonConstantBuffer = new ComputeBuffer(1, UnsafeUtility.SizeOf<OcclusionCullingCommonShaderVariables>(), ComputeBufferType.Constant);
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m_DebugShaderVariables = new NativeArray<OcclusionCullingDebugShaderVariables>(1, Allocator.Persistent);
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m_DebugConstantBuffer = new ComputeBuffer(1, UnsafeUtility.SizeOf<OcclusionCullingDebugShaderVariables>(), ComputeBufferType.Constant);
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}
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private static class ShaderIDs
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{
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public static readonly int OcclusionCullingCommonShaderVariables = Shader.PropertyToID("OcclusionCullingCommonShaderVariables");
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public static readonly int _OccluderDepthPyramid = Shader.PropertyToID("_OccluderDepthPyramid");
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public static readonly int _OcclusionDebugOverlay = Shader.PropertyToID("_OcclusionDebugOverlay");
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public static readonly int OcclusionCullingDebugShaderVariables = Shader.PropertyToID("OcclusionCullingDebugShaderVariables");
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}
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internal static bool UseOcclusionDebug(in OccluderContext occluderCtx)
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{
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return occluderCtx.occlusionDebugOverlaySize != 0;
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}
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internal void PrepareCulling(ComputeCommandBuffer cmd, in OccluderContext occluderCtx, in OcclusionCullingSettings settings, in InstanceOcclusionTestSubviewSettings subviewSettings, in OcclusionTestComputeShader shader, bool useOcclusionDebug)
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{
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OccluderContext.SetKeyword(cmd, shader.cs, shader.occlusionDebugKeyword, useOcclusionDebug);
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var debugStats = GPUResidentDrawer.GetDebugStats();
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m_CommonShaderVariables[0] = new OcclusionCullingCommonShaderVariables(
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in occluderCtx,
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subviewSettings,
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debugStats?.occlusionOverlayCountVisible ?? false,
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debugStats?.overrideOcclusionTestToAlwaysPass ?? false);
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cmd.SetBufferData(m_CommonConstantBuffer, m_CommonShaderVariables);
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cmd.SetComputeConstantBufferParam(shader.cs, ShaderIDs.OcclusionCullingCommonShaderVariables, m_CommonConstantBuffer, 0, m_CommonConstantBuffer.stride);
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DispatchDebugClear(cmd, settings.viewInstanceID);
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}
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internal static void SetDepthPyramid(ComputeCommandBuffer cmd, in OcclusionTestComputeShader shader, int kernel, in OccluderHandles occluderHandles)
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{
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cmd.SetComputeTextureParam(shader.cs, kernel, ShaderIDs._OccluderDepthPyramid, occluderHandles.occluderDepthPyramid);
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}
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internal static void SetDebugPyramid(ComputeCommandBuffer cmd, in OcclusionTestComputeShader shader, int kernel, in OccluderHandles occluderHandles)
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{
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cmd.SetComputeBufferParam(shader.cs, kernel, ShaderIDs._OcclusionDebugOverlay, occluderHandles.occlusionDebugOverlay);
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}
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private class OcclusionTestOverlaySetupPassData
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{
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public OcclusionCullingDebugShaderVariables cb;
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}
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private class OcclusionTestOverlayPassData
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{
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public BufferHandle debugPyramid;
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}
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public void RenderDebugOcclusionTestOverlay(RenderGraph renderGraph, DebugDisplayGPUResidentDrawer debugSettings, int viewInstanceID, TextureHandle colorBuffer)
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{
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if (debugSettings == null)
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return;
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if (!debugSettings.occlusionTestOverlayEnable)
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return;
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OcclusionCullingDebugOutput debugOutput = GetOcclusionTestDebugOutput(viewInstanceID);
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if (debugOutput.occlusionDebugOverlay == null)
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return;
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using (var builder = renderGraph.AddComputePass<OcclusionTestOverlaySetupPassData>("OcclusionTestOverlay", out var passData, m_ProfilingSamplerOcclusionTestOverlay))
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{
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builder.AllowPassCulling(false);
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passData.cb = debugOutput.cb;
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builder.SetRenderFunc(
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(OcclusionTestOverlaySetupPassData data, ComputeGraphContext ctx) =>
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{
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var occ = GPUResidentDrawer.instance.batcher.occlusionCullingCommon;
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occ.m_DebugShaderVariables[0] = data.cb;
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ctx.cmd.SetBufferData(occ.m_DebugConstantBuffer, occ.m_DebugShaderVariables);
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occ.m_DebugOcclusionTestMaterial.SetConstantBuffer(
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ShaderIDs.OcclusionCullingDebugShaderVariables,
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occ.m_DebugConstantBuffer,
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0,
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occ.m_DebugConstantBuffer.stride);
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});
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}
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using (var builder = renderGraph.AddRasterRenderPass<OcclusionTestOverlayPassData>("OcclusionTestOverlay", out var passData, m_ProfilingSamplerOcclusionTestOverlay))
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{
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builder.AllowGlobalStateModification(true);
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passData.debugPyramid = renderGraph.ImportBuffer(debugOutput.occlusionDebugOverlay);
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builder.SetRenderAttachment(colorBuffer, 0);
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builder.UseBuffer(passData.debugPyramid);
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builder.SetRenderFunc(
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(OcclusionTestOverlayPassData data, RasterGraphContext ctx) =>
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{
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ctx.cmd.SetGlobalBuffer(ShaderIDs._OcclusionDebugOverlay, data.debugPyramid);
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CoreUtils.DrawFullScreen(ctx.cmd, m_DebugOcclusionTestMaterial);
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});
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}
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}
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private struct DebugOccluderViewData
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{
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public int passIndex;
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public Rect viewport;
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public bool valid;
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}
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class OccluderOverlayPassData
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{
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public Material debugMaterial;
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public RTHandle occluderTexture;
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public Rect viewport;
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public int passIndex;
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public Vector2 validRange;
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}
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public void RenderDebugOccluderOverlay(RenderGraph renderGraph, DebugDisplayGPUResidentDrawer debugSettings, Vector2 screenPos, float maxHeight, TextureHandle colorBuffer)
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{
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if (debugSettings == null)
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return;
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if (!debugSettings.occluderDebugViewEnable)
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return;
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if (!debugSettings.GetOccluderViewInstanceID(out var viewInstanceID))
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return;
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var occluderTexture = GetOcclusionTestDebugOutput(viewInstanceID).occluderDepthPyramid;
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if (occluderTexture == null)
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return;
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Material debugMaterial = m_OccluderDebugViewMaterial;
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int passIndex = debugMaterial.FindPass("DebugOccluder");
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Vector2 outputSize = occluderTexture.referenceSize;
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float scaleFactor = maxHeight / outputSize.y;
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outputSize *= scaleFactor;
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Rect viewport = new Rect(screenPos.x, screenPos.y, outputSize.x, outputSize.y);
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using (var builder = renderGraph.AddRasterRenderPass<OccluderOverlayPassData>("OccluderOverlay", out var passData, m_ProfilingSamplerOccluderOverlay))
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{
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builder.AllowGlobalStateModification(true);
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builder.SetRenderAttachment(colorBuffer, 0);
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passData.debugMaterial = debugMaterial;
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passData.occluderTexture = occluderTexture;
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passData.viewport = viewport;
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passData.passIndex = passIndex;
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passData.validRange = debugSettings.occluderDebugViewRange;
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builder.SetRenderFunc(
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(OccluderOverlayPassData data, RasterGraphContext ctx) =>
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{
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var mpb = ctx.renderGraphPool.GetTempMaterialPropertyBlock();
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mpb.SetTexture("_OccluderTexture", data.occluderTexture);
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mpb.SetVector("_ValidRange", data.validRange);
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ctx.cmd.SetViewport(data.viewport);
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ctx.cmd.DrawProcedural(Matrix4x4.identity, data.debugMaterial, data.passIndex, MeshTopology.Triangles, 3, 1, mpb);
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});
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}
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}
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private void DispatchDebugClear(ComputeCommandBuffer cmd, int viewInstanceID)
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{
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if (!m_ViewIDToIndexMap.TryGetValue(viewInstanceID, out var contextIndex))
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return;
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OccluderContext occluderCtx = m_OccluderContextData[contextIndex];
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if (UseOcclusionDebug(in occluderCtx) && occluderCtx.debugNeedsClear)
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{
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var cs = m_OcclusionDebugCS;
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int kernel = m_ClearOcclusionDebugKernel;
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cmd.SetComputeConstantBufferParam(cs, ShaderIDs.OcclusionCullingCommonShaderVariables, m_CommonConstantBuffer, 0, m_CommonConstantBuffer.stride);
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cmd.SetComputeBufferParam(cs, kernel, ShaderIDs._OcclusionDebugOverlay, occluderCtx.occlusionDebugOverlay);
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Vector2Int mip0Size = occluderCtx.occluderMipBounds[0].size;
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cmd.DispatchCompute(cs, kernel, (mip0Size.x + 7) / 8, (mip0Size.y + 7) / 8, occluderCtx.subviewCount);
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// mark as cleared in the dictionary
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occluderCtx.debugNeedsClear = false;
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m_OccluderContextData[contextIndex] = occluderCtx;
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}
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}
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private OccluderHandles PrepareOccluders(RenderGraph renderGraph, in OccluderParameters occluderParams)
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{
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OccluderHandles occluderHandles = new OccluderHandles();
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if (occluderParams.depthTexture.IsValid())
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{
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if (!m_ViewIDToIndexMap.TryGetValue(occluderParams.viewInstanceID, out var contextIndex))
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contextIndex = NewContext(occluderParams.viewInstanceID);
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OccluderContext ctx = m_OccluderContextData[contextIndex];
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ctx.PrepareOccluders(occluderParams);
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occluderHandles = ctx.Import(renderGraph);
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m_OccluderContextData[contextIndex] = ctx;
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}
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else
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{
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DeleteContext(occluderParams.viewInstanceID);
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}
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return occluderHandles;
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}
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private void CreateFarDepthPyramid(ComputeCommandBuffer cmd, in OccluderParameters occluderParams, ReadOnlySpan<OccluderSubviewUpdate> occluderSubviewUpdates, in OccluderHandles occluderHandles)
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{
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if (!m_ViewIDToIndexMap.TryGetValue(occluderParams.viewInstanceID, out var contextIndex))
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return;
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var silhouettePlanes = m_SilhouettePlaneCache.GetSubArray(occluderParams.viewInstanceID);
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OccluderContext ctx = m_OccluderContextData[contextIndex];
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ctx.CreateFarDepthPyramid(cmd, occluderParams, occluderSubviewUpdates, occluderHandles, silhouettePlanes, m_OccluderDepthPyramidCS, m_OccluderDepthDownscaleKernel);
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ctx.version++;
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m_OccluderContextData[contextIndex] = ctx;
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var slot = m_OccluderContextSlots[contextIndex];
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slot.lastUsedFrameIndex = m_FrameIndex;
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m_OccluderContextSlots[contextIndex] = slot;
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}
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private class UpdateOccludersPassData
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{
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public OccluderParameters occluderParams;
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public List<OccluderSubviewUpdate> occluderSubviewUpdates;
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public OccluderHandles occluderHandles;
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}
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public bool UpdateInstanceOccluders(RenderGraph renderGraph, in OccluderParameters occluderParams, ReadOnlySpan<OccluderSubviewUpdate> occluderSubviewUpdates)
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{
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var occluderHandles = PrepareOccluders(renderGraph, occluderParams);
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if (!occluderHandles.occluderDepthPyramid.IsValid())
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return false;
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using (var builder = renderGraph.AddComputePass<UpdateOccludersPassData>("Update Occluders", out var passData, m_ProfilingSamplerUpdateOccluders))
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{
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builder.AllowGlobalStateModification(true);
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passData.occluderParams = occluderParams;
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if (passData.occluderSubviewUpdates is null)
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passData.occluderSubviewUpdates = new List<OccluderSubviewUpdate>();
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else
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|
passData.occluderSubviewUpdates.Clear();
|
|
for (int i = 0; i < occluderSubviewUpdates.Length; ++i)
|
|
passData.occluderSubviewUpdates.Add(occluderSubviewUpdates[i]);
|
|
passData.occluderHandles = occluderHandles;
|
|
|
|
builder.UseTexture(passData.occluderParams.depthTexture);
|
|
passData.occluderHandles.UseForOccluderUpdate(builder);
|
|
|
|
builder.SetRenderFunc(
|
|
(UpdateOccludersPassData data, ComputeGraphContext context) =>
|
|
{
|
|
Span<OccluderSubviewUpdate> occluderSubviewUpdates = stackalloc OccluderSubviewUpdate[data.occluderSubviewUpdates.Count];
|
|
int subviewMask = 0;
|
|
for (int i = 0; i < data.occluderSubviewUpdates.Count; ++i)
|
|
{
|
|
occluderSubviewUpdates[i] = data.occluderSubviewUpdates[i];
|
|
subviewMask |= 1 << data.occluderSubviewUpdates[i].subviewIndex;
|
|
}
|
|
|
|
var batcher = GPUResidentDrawer.instance.batcher;
|
|
batcher.occlusionCullingCommon.CreateFarDepthPyramid(context.cmd, in data.occluderParams, occluderSubviewUpdates, in data.occluderHandles);
|
|
batcher.instanceCullingBatcher.InstanceOccludersUpdated(data.occluderParams.viewInstanceID, subviewMask);
|
|
});
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
internal void UpdateSilhouettePlanes(int viewInstanceID, NativeArray<Plane> planes)
|
|
{
|
|
m_SilhouettePlaneCache.Update(viewInstanceID, planes, m_FrameIndex);
|
|
}
|
|
|
|
internal OcclusionCullingDebugOutput GetOcclusionTestDebugOutput(int viewInstanceID)
|
|
{
|
|
if (m_ViewIDToIndexMap.TryGetValue(viewInstanceID, out var contextIndex) && m_OccluderContextSlots[contextIndex].valid)
|
|
return m_OccluderContextData[contextIndex].GetDebugOutput();
|
|
return new OcclusionCullingDebugOutput();
|
|
}
|
|
|
|
public void UpdateOccluderStats(DebugRendererBatcherStats debugStats)
|
|
{
|
|
debugStats.occluderStats.Clear();
|
|
foreach (var pair in m_ViewIDToIndexMap)
|
|
{
|
|
if (pair.Value < m_OccluderContextSlots.Length && m_OccluderContextSlots[pair.Value].valid)
|
|
{
|
|
debugStats.occluderStats.Add(new DebugOccluderStats
|
|
{
|
|
viewInstanceID = pair.Key,
|
|
subviewCount = m_OccluderContextData[pair.Value].subviewCount,
|
|
occluderMipLayoutSize = m_OccluderContextData[pair.Value].occluderMipLayoutSize,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
internal bool HasOccluderContext(int viewInstanceID)
|
|
{
|
|
return m_ViewIDToIndexMap.ContainsKey(viewInstanceID);
|
|
}
|
|
|
|
internal bool GetOccluderContext(int viewInstanceID, out OccluderContext occluderContext)
|
|
{
|
|
if (m_ViewIDToIndexMap.TryGetValue(viewInstanceID, out var contextIndex) && m_OccluderContextSlots[contextIndex].valid)
|
|
{
|
|
occluderContext = m_OccluderContextData[contextIndex];
|
|
return true;
|
|
}
|
|
|
|
occluderContext = new OccluderContext();
|
|
return false;
|
|
}
|
|
|
|
internal void UpdateFrame()
|
|
{
|
|
for (int i = 0; i < m_OccluderContextData.Count; ++i)
|
|
{
|
|
if (!m_OccluderContextSlots[i].valid)
|
|
continue;
|
|
|
|
OccluderContext occluderCtx = m_OccluderContextData[i];
|
|
var slot = m_OccluderContextSlots[i];
|
|
//Garbage collect unused contexts for a long time:
|
|
if ((m_FrameIndex - slot.lastUsedFrameIndex) >= s_MaxContextGCFrame)
|
|
{
|
|
DeleteContext(slot.viewInstanceID);
|
|
continue;
|
|
}
|
|
|
|
occluderCtx.debugNeedsClear = true;
|
|
m_OccluderContextData[i] = occluderCtx;
|
|
}
|
|
m_SilhouettePlaneCache.FreeUnusedSlots(m_FrameIndex, s_MaxContextGCFrame);
|
|
++m_FrameIndex;
|
|
}
|
|
|
|
private int NewContext(int viewInstanceID)
|
|
{
|
|
int newSlot = -1;
|
|
var newCtxSlot = new OccluderContextSlot { valid = true, viewInstanceID = viewInstanceID, lastUsedFrameIndex = m_FrameIndex };
|
|
var newCtx = new OccluderContext() {};
|
|
if (m_FreeOccluderContexts.Length > 0)
|
|
{
|
|
newSlot = m_FreeOccluderContexts[m_FreeOccluderContexts.Length - 1];
|
|
m_FreeOccluderContexts.RemoveAt(m_FreeOccluderContexts.Length - 1);
|
|
m_OccluderContextData[newSlot] = newCtx;
|
|
m_OccluderContextSlots[newSlot] = newCtxSlot;
|
|
}
|
|
else
|
|
{
|
|
newSlot = m_OccluderContextData.Count;
|
|
m_OccluderContextData.Add(newCtx);
|
|
m_OccluderContextSlots.Add(newCtxSlot);
|
|
}
|
|
|
|
m_ViewIDToIndexMap.Add(viewInstanceID, newSlot);
|
|
return newSlot;
|
|
}
|
|
|
|
private void DeleteContext(int viewInstanceID)
|
|
{
|
|
if (!m_ViewIDToIndexMap.TryGetValue(viewInstanceID, out var contextIndex) || !m_OccluderContextSlots[contextIndex].valid)
|
|
return;
|
|
|
|
m_OccluderContextData[contextIndex].Dispose();
|
|
m_OccluderContextSlots[contextIndex] = new OccluderContextSlot { valid = false };
|
|
m_FreeOccluderContexts.Add(contextIndex);
|
|
m_ViewIDToIndexMap.Remove(viewInstanceID);
|
|
}
|
|
|
|
public void Dispose()
|
|
{
|
|
CoreUtils.Destroy(m_DebugOcclusionTestMaterial);
|
|
CoreUtils.Destroy(m_OccluderDebugViewMaterial);
|
|
|
|
for (int i = 0; i < m_OccluderContextData.Count; ++i)
|
|
{
|
|
if (m_OccluderContextSlots[i].valid)
|
|
m_OccluderContextData[i].Dispose();
|
|
}
|
|
|
|
m_SilhouettePlaneCache.Dispose();
|
|
|
|
m_ViewIDToIndexMap.Dispose();
|
|
m_FreeOccluderContexts.Dispose();
|
|
m_OccluderContextData.Clear();
|
|
m_OccluderContextSlots.Dispose();
|
|
|
|
m_CommonShaderVariables.Dispose();
|
|
m_CommonConstantBuffer.Release();
|
|
m_DebugShaderVariables.Dispose();
|
|
m_DebugConstantBuffer.Release();
|
|
}
|
|
}
|
|
}
|