565 lines
33 KiB
C#
565 lines
33 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using AwesomeTechnologies.Utility.Culling;
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using UnityEngine;
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using UnityEngine.Profiling;
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using UnityEngine.Rendering;
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namespace AwesomeTechnologies.VegetationSystem
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{
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public static class GeometryUtilityAllocFree
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{
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public static Plane[] FrustrumPlanes = new Plane[6];
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private static readonly Action<Plane[], Matrix4x4> InternalExtractPlanes =
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(Action<Plane[], Matrix4x4>)Delegate.CreateDelegate(
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typeof(Action<Plane[], Matrix4x4>),
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// ReSharper disable once AssignNullToNotNullAttribute
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typeof(GeometryUtility).GetMethod("Internal_ExtractPlanes",
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BindingFlags.Static | BindingFlags.NonPublic));
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public static void CalculateFrustrumPlanes(Camera camera)
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{
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InternalExtractPlanes(FrustrumPlanes, camera.projectionMatrix * camera.worldToCameraMatrix);
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}
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}
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public partial class VegetationSystemPro
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{
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private void SetFrustumCullingPlanes(Camera selectedCamera)
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{
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GeometryUtilityAllocFree.CalculateFrustrumPlanes(selectedCamera);
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Vector4 cameraFrustumPlane0 = new Vector4(GeometryUtilityAllocFree.FrustrumPlanes[0].normal.x, GeometryUtilityAllocFree.FrustrumPlanes[0].normal.y, GeometryUtilityAllocFree.FrustrumPlanes[0].normal.z,
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GeometryUtilityAllocFree.FrustrumPlanes[0].distance);
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Vector4 cameraFrustumPlane1 = new Vector4(GeometryUtilityAllocFree.FrustrumPlanes[1].normal.x, GeometryUtilityAllocFree.FrustrumPlanes[1].normal.y, GeometryUtilityAllocFree.FrustrumPlanes[1].normal.z,
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GeometryUtilityAllocFree.FrustrumPlanes[1].distance);
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Vector4 cameraFrustumPlane2 = new Vector4(GeometryUtilityAllocFree.FrustrumPlanes[2].normal.x, GeometryUtilityAllocFree.FrustrumPlanes[2].normal.y, GeometryUtilityAllocFree.FrustrumPlanes[2].normal.z,
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GeometryUtilityAllocFree.FrustrumPlanes[2].distance);
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Vector4 cameraFrustumPlane3 = new Vector4(GeometryUtilityAllocFree.FrustrumPlanes[3].normal.x, GeometryUtilityAllocFree.FrustrumPlanes[3].normal.y, GeometryUtilityAllocFree.FrustrumPlanes[3].normal.z,
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GeometryUtilityAllocFree.FrustrumPlanes[3].distance);
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Vector4 cameraFrustumPlane4 = new Vector4(GeometryUtilityAllocFree.FrustrumPlanes[4].normal.x, GeometryUtilityAllocFree.FrustrumPlanes[4].normal.y, GeometryUtilityAllocFree.FrustrumPlanes[4].normal.z,
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GeometryUtilityAllocFree.FrustrumPlanes[4].distance);
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Vector4 cameraFrustumPlane5 = new Vector4(GeometryUtilityAllocFree.FrustrumPlanes[5].normal.x, GeometryUtilityAllocFree.FrustrumPlanes[5].normal.y, GeometryUtilityAllocFree.FrustrumPlanes[5].normal.z,
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GeometryUtilityAllocFree.FrustrumPlanes[5].distance);
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FrusumMatrixShader.SetVector(_cameraFrustumPlan0, cameraFrustumPlane0);
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FrusumMatrixShader.SetVector(_cameraFrustumPlan1, cameraFrustumPlane1);
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FrusumMatrixShader.SetVector(_cameraFrustumPlan2, cameraFrustumPlane2);
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FrusumMatrixShader.SetVector(_cameraFrustumPlan3, cameraFrustumPlane3);
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FrusumMatrixShader.SetVector(_cameraFrustumPlan4, cameraFrustumPlane4);
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FrusumMatrixShader.SetVector(_cameraFrustumPlan5, cameraFrustumPlane5);
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Vector3 worldSpaceCameraPosition = selectedCamera.transform.position;
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Vector4 worldSpaceCameraPos = new Vector4(worldSpaceCameraPosition.x, worldSpaceCameraPosition.y, worldSpaceCameraPosition.z, 1);
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//TODO change to ID on setVector
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FrusumMatrixShader.SetVector("_WorldSpaceCameraPos", worldSpaceCameraPos);
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}
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void SetupComputeShaders()
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{
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//_dummyMaskTexture = new Texture2D(2, 2);
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_dummyComputeBuffer = new ComputeBuffer(1, (16 * 4) + 16, ComputeBufferType.Default); // *2
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MergeBufferShader = (ComputeShader)Resources.Load("MergeInstancedIndirectBuffers");
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MergeBufferKernelHandle = MergeBufferShader.FindKernel("MergeInstancedIndirectBuffers");
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FrusumMatrixShader = (ComputeShader)Resources.Load("GPUFrustumCulling");
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FrustumKernelHandle = FrusumMatrixShader.FindKernel("GPUFrustumCulling");
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_mergeBufferID = Shader.PropertyToID("MergeBuffer");
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_floatingOriginOffsetID = Shader.PropertyToID("_FloatingOriginOffset");
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_mergeSourceBuffer0ID = Shader.PropertyToID("MergeSourceBuffer0");
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_mergeSourceBuffer1ID = Shader.PropertyToID("MergeSourceBuffer1");
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_mergeSourceBuffer2ID = Shader.PropertyToID("MergeSourceBuffer2");
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_mergeSourceBuffer3ID = Shader.PropertyToID("MergeSourceBuffer3");
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_mergeSourceBuffer4ID = Shader.PropertyToID("MergeSourceBuffer4");
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_mergeSourceBuffer5ID = Shader.PropertyToID("MergeSourceBuffer5");
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_mergeSourceBuffer6ID = Shader.PropertyToID("MergeSourceBuffer6");
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_mergeSourceBuffer7ID = Shader.PropertyToID("MergeSourceBuffer7");
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_mergeSourceBuffer8ID = Shader.PropertyToID("MergeSourceBuffer8");
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_mergeSourceBuffer9ID = Shader.PropertyToID("MergeSourceBuffer9");
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_mergeSourceBuffer10ID = Shader.PropertyToID("MergeSourceBuffer10");
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_mergeSourceBuffer11ID = Shader.PropertyToID("MergeSourceBuffer11");
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_mergeSourceBuffer12ID = Shader.PropertyToID("MergeSourceBuffer12");
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_mergeSourceBuffer13ID = Shader.PropertyToID("MergeSourceBuffer13");
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_mergeSourceBuffer14ID = Shader.PropertyToID("MergeSourceBuffer14");
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_mergeInstanceCount0ID = Shader.PropertyToID("MergeSourceBufferCount0");
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_mergeInstanceCount1ID = Shader.PropertyToID("MergeSourceBufferCount1");
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_mergeInstanceCount2ID = Shader.PropertyToID("MergeSourceBufferCount2");
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_mergeInstanceCount3ID = Shader.PropertyToID("MergeSourceBufferCount3");
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_mergeInstanceCount4ID = Shader.PropertyToID("MergeSourceBufferCount4");
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_mergeInstanceCount5ID = Shader.PropertyToID("MergeSourceBufferCount5");
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_mergeInstanceCount6ID = Shader.PropertyToID("MergeSourceBufferCount6");
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_mergeInstanceCount7ID = Shader.PropertyToID("MergeSourceBufferCount7");
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_mergeInstanceCount8ID = Shader.PropertyToID("MergeSourceBufferCount8");
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_mergeInstanceCount9ID = Shader.PropertyToID("MergeSourceBufferCount9");
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_mergeInstanceCount10ID = Shader.PropertyToID("MergeSourceBufferCount10");
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_mergeInstanceCount11ID = Shader.PropertyToID("MergeSourceBufferCount11");
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_mergeInstanceCount12ID = Shader.PropertyToID("MergeSourceBufferCount12");
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_mergeInstanceCount13ID = Shader.PropertyToID("MergeSourceBufferCount13");
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_mergeInstanceCount14ID = Shader.PropertyToID("MergeSourceBufferCount14");
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_cameraFrustumPlan0 = Shader.PropertyToID("_VS_CameraFrustumPlane0");
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_cameraFrustumPlan1 = Shader.PropertyToID("_VS_CameraFrustumPlane1");
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_cameraFrustumPlan2 = Shader.PropertyToID("_VS_CameraFrustumPlane2");
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_cameraFrustumPlan3 = Shader.PropertyToID("_VS_CameraFrustumPlane3");
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_cameraFrustumPlan4 = Shader.PropertyToID("_VS_CameraFrustumPlane4");
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_cameraFrustumPlan5 = Shader.PropertyToID("_VS_CameraFrustumPlane5");
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_instanceCountID = Shader.PropertyToID("_InstanceCount");
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_sourceBufferID = Shader.PropertyToID("SourceShaderDataBuffer");
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_visibleBufferLod0ID = Shader.PropertyToID("VisibleBufferLOD0");
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_visibleBufferLod1ID = Shader.PropertyToID("VisibleBufferLOD1");
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_visibleBufferLod2ID = Shader.PropertyToID("VisibleBufferLOD2");
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_visibleBufferLod3ID = Shader.PropertyToID("VisibleBufferLOD3");
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_shadowBufferLod0ID = Shader.PropertyToID("ShadowBufferLOD0");
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_shadowBufferLod1ID = Shader.PropertyToID("ShadowBufferLOD1");
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_shadowBufferLod2ID = Shader.PropertyToID("ShadowBufferLOD2");
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_shadowBufferLod3ID = Shader.PropertyToID("ShadowBufferLOD3");
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_lightDirection = Shader.PropertyToID("_LightDirection");
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_planeOrigin = Shader.PropertyToID("_PlaneOrigin");
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_boundsSize = Shader.PropertyToID("_BoundsSize");
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_cullFarStartID = Shader.PropertyToID("_CullFarStart");
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_visibleShaderDataBufferID = Shader.PropertyToID("VisibleShaderDataBuffer");
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_indirectShaderDataBufferID = Shader.PropertyToID("IndirectShaderDataBuffer");
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_useLodsID = Shader.PropertyToID("UseLODs");
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_noFrustumCullingID = Shader.PropertyToID("NoFrustumCulling");
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_shadowCullingID = Shader.PropertyToID("ShadowCulling");
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_boundingSphereRadiusID = Shader.PropertyToID("_BoundingSphereRadius");
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_lod1Distance = Shader.PropertyToID("_LOD1Distance");
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_lod2Distance = Shader.PropertyToID("_LOD2Distance");
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_lod3Distance = Shader.PropertyToID("_LOD3Distance");
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_lodFactor = Shader.PropertyToID("_LODFactor");
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_lodBias = Shader.PropertyToID("_LODBias");
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_lodFadeDistance = Shader.PropertyToID("_LODFadeDistance");
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_lodCount = Shader.PropertyToID("_LODCount");
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}
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void DisposeComputeShaders()
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{
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_dummyComputeBuffer?.Dispose();
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}
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void DrawCellsIndirectComputeShader()
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{
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Profiler.BeginSample("Draw instanced indirect vegetation");
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float lodBias = QualitySettings.lodBias * VegetationSettings.LODDistanceFactor;
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Vector4 floatingOriginOffsetVector4 = new Vector4(FloatingOriginOffset.x,FloatingOriginOffset.y,FloatingOriginOffset.z,0);
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Vector3 sunLightDirection = SunDirectionalLight ? SunDirectionalLight.transform.forward : new Vector3(0, 0, 0);
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float minBoundsHeight = VegetationSystemBounds.center.y - VegetationSystemBounds.extents.y;
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Vector3 planeOrigin = new Vector3(0, minBoundsHeight, 0);
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bool shadowCulling = (SunDirectionalLight != null);
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for (int i = 0; i <= VegetationStudioCameraList.Count - 1; i++)
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{
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if (!VegetationStudioCameraList[i].Enabled) continue;
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if (VegetationStudioCameraList[i].RenderBillboardsOnly) continue;
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SetFrustumCullingPlanes(VegetationStudioCameraList[i].SelectedCamera);
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var targetCamera = VegetationStudioCameraList[i].RenderDirectToCamera
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? VegetationStudioCameraList[i].SelectedCamera
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: null;
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for (int j = 0; j <= VegetationPackageProList.Count - 1; j++)
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{
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for (int k = 0; k <= VegetationPackageProList[j].VegetationInfoList.Count - 1; k++)
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{
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VegetationItemInfoPro vegetationItemInfo = VegetationPackageProList[j].VegetationInfoList[k];
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if (vegetationItemInfo.VegetationRenderMode != VegetationRenderMode.InstancedIndirect) continue;
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VegetationItemModelInfo vegetationItemModelInfo =
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VegetationPackageProModelsList[j].VegetationItemModelList[k];
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float vegetationItemCullDistance;
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float renderDistanceFactor =vegetationItemModelInfo.VegetationItemInfo.RenderDistanceFactor;
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if (VegetationSettings.DisableRenderDistanceFactor) renderDistanceFactor = 1;
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//if (vegetationItemModelInfo.DistanceBand == 0)
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if (vegetationItemModelInfo.VegetationItemInfo.VegetationType == VegetationType.Tree || vegetationItemModelInfo.VegetationItemInfo.VegetationType == VegetationType.LargeObjects)
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{
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vegetationItemCullDistance = VegetationSettings.GetTreeDistance() * renderDistanceFactor;
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}
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else
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{
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vegetationItemCullDistance = VegetationSettings.GetVegetationDistance() * renderDistanceFactor;
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}
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ShadowCastingMode shadowCastingMode =
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VegetationSettings.GetShadowCastingMode(vegetationItemInfo.VegetationType);
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if (vegetationItemInfo.DisableShadows)
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{
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shadowCastingMode = ShadowCastingMode.Off;
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}
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bool useShadowCulling = shadowCulling && shadowCastingMode == ShadowCastingMode.On;
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useShadowCulling = useShadowCulling && vegetationItemModelInfo.DistanceBand == 1;
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LayerMask layer = VegetationSettings.GetLayer(vegetationItemInfo.VegetationType);
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int totalInstanceCount = 0;
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_hasBufferList.Clear();
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for (int l = 0;
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l <= VegetationStudioCameraList[i].JobCullingGroup.VisibleCellIndexList.Length - 1;
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l++)
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{
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int potentialVisibleCellIndex =
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VegetationStudioCameraList[i].JobCullingGroup.VisibleCellIndexList[l];
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VegetationCell vegetationCell = VegetationStudioCameraList[i]
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.PotentialVisibleVegetationCellList[potentialVisibleCellIndex];
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BoundingSphereInfo boundingSphereInfo = VegetationStudioCameraList[i]
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.GetBoundingSphereInfo(potentialVisibleCellIndex);
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int vegetationItemDistanceBand = vegetationItemModelInfo.DistanceBand;
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if (boundingSphereInfo.CurrentDistanceBand > vegetationItemDistanceBand)
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{
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continue;
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}
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if (vegetationCell.VegetationPackageInstancesList[j].VegetationItemMatrixList[k].Length == 0)
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{
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continue;
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}
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ComputeBufferInfo computeBufferInfo = vegetationCell.VegetationPackageInstancesList[j]
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.VegetationItemComputeBufferList[k];
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if (!computeBufferInfo.Created)
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{
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continue;
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}
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_hasBufferList.Add(vegetationCell);
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}
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if (_hasBufferList.Count == 0) continue;
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int buffercount = 15;
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for (int m = 0; m <= _hasBufferList.Count - 1; m++)
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{
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totalInstanceCount += _hasBufferList[m].VegetationPackageInstancesList[j]
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.VegetationItemMatrixList[k].Length;
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}
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if (totalInstanceCount == 0) continue;
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CameraComputeBuffers cameraComputeBuffers = vegetationItemModelInfo.CameraComputeBufferList[i];
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if (VegetationRenderSettings.EnableSinglePassInstancedVR)
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{
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if (totalInstanceCount * 2 > cameraComputeBuffers.MergeBuffer.count)
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{
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cameraComputeBuffers.UpdateComputeBufferSize(totalInstanceCount * 2+ 5000);
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}
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}
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else
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{
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if (totalInstanceCount > cameraComputeBuffers.MergeBuffer.count)
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{
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cameraComputeBuffers.UpdateComputeBufferSize(totalInstanceCount + 5000);
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}
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}
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cameraComputeBuffers.MergeBuffer.SetCounterValue(0);
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MergeBufferShader.SetBuffer(MergeBufferKernelHandle, _mergeBufferID,
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cameraComputeBuffers.MergeBuffer);
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for (int m = 0; m <= _hasBufferList.Count - 1; m += buffercount)
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{
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int instanceCount0 = _hasBufferList[m].VegetationPackageInstancesList[j]
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.VegetationItemMatrixList[k].Length;
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for (int n = 1; n <= buffercount - 1; n++)
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{
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if (m + n < _hasBufferList.Count)
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{
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int tempInstanceCount = _hasBufferList[m + n].VegetationPackageInstancesList[j]
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.VegetationItemMatrixList[k].Length;
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if (tempInstanceCount > instanceCount0) instanceCount0 = tempInstanceCount;
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}
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}
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|||
|
|
|
|||
|
|
// ReSharper disable once RedundantCast
|
|||
|
|
int threadGroups = Mathf.CeilToInt((float)instanceCount0 / 32f);
|
|||
|
|
if (threadGroups == 0) continue;
|
|||
|
|
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer0ID, _mergeInstanceCount0ID, m, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer1ID, _mergeInstanceCount1ID, m + 1, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer2ID, _mergeInstanceCount2ID, m + 2, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer3ID, _mergeInstanceCount3ID, m + 3, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer4ID, _mergeInstanceCount4ID, m + 4, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer5ID, _mergeInstanceCount5ID, m + 5, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer6ID, _mergeInstanceCount6ID, m + 6, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer7ID, _mergeInstanceCount7ID, m + 7, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer8ID, _mergeInstanceCount8ID, m + 8, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer9ID, _mergeInstanceCount9ID, m + 9, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer10ID, _mergeInstanceCount10ID, m + 10, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer11ID, _mergeInstanceCount11ID, m + 11, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer12ID, _mergeInstanceCount12ID, m + 12, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer13ID, _mergeInstanceCount13ID, m + 13, j, k);
|
|||
|
|
SetComputeShaderBuffer(_mergeSourceBuffer14ID, _mergeInstanceCount14ID, m + 14, j, k);
|
|||
|
|
|
|||
|
|
MergeBufferShader.Dispatch(MergeBufferKernelHandle, threadGroups, 1, 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod0.subMeshCount - 1; n++)
|
|||
|
|
{
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.MergeBuffer,
|
|||
|
|
cameraComputeBuffers.ArgsBufferMergedLOD0List[n], sizeof(uint) * 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int threadGroupsFrustum = Mathf.CeilToInt(totalInstanceCount / 32f);
|
|||
|
|
if (threadGroupsFrustum == 0) continue;
|
|||
|
|
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD0.SetCounterValue(0);
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD1.SetCounterValue(0);
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD2.SetCounterValue(0);
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD3.SetCounterValue(0);
|
|||
|
|
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD0.SetCounterValue(0);
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD1.SetCounterValue(0);
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD2.SetCounterValue(0);
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD3.SetCounterValue(0);
|
|||
|
|
|
|||
|
|
bool useLODs = true;
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetFloat(_cullFarStartID, vegetationItemCullDistance);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetVector(_floatingOriginOffsetID, floatingOriginOffsetVector4);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _sourceBufferID,
|
|||
|
|
cameraComputeBuffers.MergeBuffer);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod0ID,
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD0);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod1ID,
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD1);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod2ID,
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD2);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod3ID,
|
|||
|
|
cameraComputeBuffers.VisibleBufferLOD3);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod0ID,
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD0);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod1ID,
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD1);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod2ID,
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD2);
|
|||
|
|
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod3ID,
|
|||
|
|
cameraComputeBuffers.ShadowBufferLOD3);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetInt(_instanceCountID, totalInstanceCount);
|
|||
|
|
FrusumMatrixShader.SetBool(_useLodsID, useLODs);
|
|||
|
|
FrusumMatrixShader.SetBool(_noFrustumCullingID, VegetationStudioCameraList[i].CameraCullingMode == CameraCullingMode.Complete360);
|
|||
|
|
FrusumMatrixShader.SetBool(_shadowCullingID, useShadowCulling);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetFloat(_boundingSphereRadiusID,
|
|||
|
|
vegetationItemModelInfo.BoundingSphereRadius);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetFloat(_lod1Distance, vegetationItemModelInfo.LOD1Distance);
|
|||
|
|
FrusumMatrixShader.SetFloat(_lod2Distance, vegetationItemModelInfo.LOD2Distance);
|
|||
|
|
FrusumMatrixShader.SetFloat(_lod3Distance, vegetationItemModelInfo.LOD3Distance);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetVector(_lightDirection, sunLightDirection);
|
|||
|
|
FrusumMatrixShader.SetVector(_planeOrigin, planeOrigin);
|
|||
|
|
FrusumMatrixShader.SetVector(_boundsSize, vegetationItemModelInfo.VegetationItemInfo.Bounds.size);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetFloat(_lodFactor, vegetationItemInfo.LODFactor);
|
|||
|
|
FrusumMatrixShader.SetFloat(_lodBias, lodBias);
|
|||
|
|
|
|||
|
|
float crossFadeDistance = 0;
|
|||
|
|
|
|||
|
|
if (vegetationItemModelInfo.VegetationItemInfo.EnableCrossFade)
|
|||
|
|
{
|
|||
|
|
crossFadeDistance = VegetationRenderSettings.CrossFadeDistance;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#if USING_HDRP
|
|||
|
|
if (vegetationItemModelInfo.VegetationItemInfo.VegetationRenderMode ==
|
|||
|
|
VegetationRenderMode.Instanced)
|
|||
|
|
{
|
|||
|
|
crossFadeDistance = 0;
|
|||
|
|
}
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.SetFloat(_lodFadeDistance, crossFadeDistance);
|
|||
|
|
FrusumMatrixShader.SetInt(_lodCount, vegetationItemModelInfo.LODCount);
|
|||
|
|
|
|||
|
|
FrusumMatrixShader.Dispatch(FrustumKernelHandle, threadGroupsFrustum, 1, 1);
|
|||
|
|
if (VegetationRenderSettings.EnableSinglePassInstancedVR)
|
|||
|
|
{
|
|||
|
|
FrusumMatrixShader.Dispatch(FrustumKernelHandle, threadGroupsFrustum, 1, 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod0.subMeshCount - 1; n++)
|
|||
|
|
{
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD0,
|
|||
|
|
cameraComputeBuffers.ArgsBufferMergedLOD0List[n], sizeof(uint) * 1);
|
|||
|
|
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD0,
|
|||
|
|
cameraComputeBuffers.ShadowArgsBufferMergedLOD0List[n], sizeof(uint) * 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (useLODs)
|
|||
|
|
{
|
|||
|
|
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod1.subMeshCount - 1; n++)
|
|||
|
|
{
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD1,
|
|||
|
|
cameraComputeBuffers.ArgsBufferMergedLOD1List[n], sizeof(uint) * 1);
|
|||
|
|
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD1,
|
|||
|
|
cameraComputeBuffers.ShadowArgsBufferMergedLOD1List[n], sizeof(uint) * 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod2.subMeshCount - 1; n++)
|
|||
|
|
{
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD2,
|
|||
|
|
cameraComputeBuffers.ArgsBufferMergedLOD2List[n], sizeof(uint) * 1);
|
|||
|
|
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD2,
|
|||
|
|
cameraComputeBuffers.ShadowArgsBufferMergedLOD2List[n], sizeof(uint) * 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod3.subMeshCount - 1; n++)
|
|||
|
|
{
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD3,
|
|||
|
|
cameraComputeBuffers.ArgsBufferMergedLOD3List[n], sizeof(uint) * 1);
|
|||
|
|
|
|||
|
|
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD3,
|
|||
|
|
cameraComputeBuffers.ShadowArgsBufferMergedLOD3List[n], sizeof(uint) * 1);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//TODO calculate bounds one for each LOD
|
|||
|
|
float boundsDistance = vegetationItemCullDistance * 2 +
|
|||
|
|
vegetationItemModelInfo.BoundingSphereRadius;
|
|||
|
|
Bounds cellBounds = new Bounds(VegetationStudioCameraList[i].SelectedCamera.transform.position,
|
|||
|
|
new Vector3(boundsDistance, boundsDistance, boundsDistance));
|
|||
|
|
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 0, i,
|
|||
|
|
targetCamera, shadowCastingMode, layer,false);
|
|||
|
|
|
|||
|
|
if (shadowCastingMode == ShadowCastingMode.On)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 0, i,
|
|||
|
|
targetCamera, ShadowCastingMode.ShadowsOnly, layer,true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (useLODs)
|
|||
|
|
{
|
|||
|
|
if (vegetationItemModelInfo.LODCount > 1)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 1, i,
|
|||
|
|
targetCamera, shadowCastingMode, layer,false);
|
|||
|
|
|
|||
|
|
if (shadowCastingMode == ShadowCastingMode.On)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 1, i,
|
|||
|
|
targetCamera, ShadowCastingMode.ShadowsOnly, layer,true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (vegetationItemModelInfo.LODCount > 2)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 2, i,
|
|||
|
|
targetCamera, shadowCastingMode, layer,false);
|
|||
|
|
|
|||
|
|
if (shadowCastingMode == ShadowCastingMode.On)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 2, i,
|
|||
|
|
targetCamera, ShadowCastingMode.ShadowsOnly, layer,true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (vegetationItemModelInfo.LODCount > 3)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 3, i,
|
|||
|
|
targetCamera, shadowCastingMode, layer,false);
|
|||
|
|
if (shadowCastingMode == ShadowCastingMode.On)
|
|||
|
|
{
|
|||
|
|
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 3, i,
|
|||
|
|
targetCamera, ShadowCastingMode.ShadowsOnly, layer,true);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
Profiler.EndSample();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void RenderVegetationItemLODIndirect(VegetationItemModelInfo vegetationItemModelInfo, Bounds cellBounds, int lodIndex, int cameraIndex, Camera selectedCamera, ShadowCastingMode shadowCastingMode, int layer, bool shadows)
|
|||
|
|
{
|
|||
|
|
MaterialPropertyBlock materialPropertyBlock = vegetationItemModelInfo.GetLODMaterialPropertyBlock(lodIndex);
|
|||
|
|
materialPropertyBlock.Clear();
|
|||
|
|
|
|||
|
|
ComputeBuffer visibleBuffer = vegetationItemModelInfo.GetLODVisibleBuffer(lodIndex, cameraIndex,shadows);
|
|||
|
|
|
|||
|
|
Mesh mesh = vegetationItemModelInfo.GetLODMesh(lodIndex);
|
|||
|
|
Material[] materials = vegetationItemModelInfo.GetLODMaterials(lodIndex);
|
|||
|
|
|
|||
|
|
if (vegetationItemModelInfo.ShaderControler != null &&
|
|||
|
|
vegetationItemModelInfo.ShaderControler.Settings.SampleWind)
|
|||
|
|
{
|
|||
|
|
MeshRenderer meshRenderer = vegetationItemModelInfo.WindSamplerMeshRendererList[cameraIndex];
|
|||
|
|
if (meshRenderer)
|
|||
|
|
{
|
|||
|
|
meshRenderer.GetPropertyBlock(materialPropertyBlock);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
materialPropertyBlock.SetBuffer(_visibleShaderDataBufferID, visibleBuffer);
|
|||
|
|
materialPropertyBlock.SetBuffer(_indirectShaderDataBufferID, visibleBuffer);
|
|||
|
|
|
|||
|
|
List<ComputeBuffer> argsBufferList = vegetationItemModelInfo.GetLODArgsBufferList(lodIndex, cameraIndex,shadows);
|
|||
|
|
|
|||
|
|
//int[] data = new int[5];
|
|||
|
|
//argsBufferList[0].GetData(data);
|
|||
|
|
//Debug.Log("Indirect - LOD" + lodIndex + ":" + data[1]);
|
|||
|
|
int submeshesToRender = Mathf.Min(mesh.subMeshCount, materials.Length);
|
|||
|
|
for (int i = 0; i <= submeshesToRender - 1; i++)
|
|||
|
|
{
|
|||
|
|
Graphics.DrawMeshInstancedIndirect(mesh, i, materials[i], cellBounds,
|
|||
|
|
argsBufferList[i], 0, materialPropertyBlock, shadowCastingMode, true, layer,
|
|||
|
|
selectedCamera,LightProbeUsage.Off);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void SetComputeShaderBuffer(int bufferID, int bufferCountID, int cellIndex, int vegetationPackageIndex, int vegetationItemIndex)
|
|||
|
|
{
|
|||
|
|
if (cellIndex < _hasBufferList.Count)
|
|||
|
|
{
|
|||
|
|
VegetationCell vegetationCell = _hasBufferList[cellIndex];
|
|||
|
|
int instanceCount = _hasBufferList[cellIndex].VegetationPackageInstancesList[vegetationPackageIndex].VegetationItemMatrixList[vegetationItemIndex].Length;
|
|||
|
|
MergeBufferShader.SetBuffer(MergeBufferKernelHandle, bufferID, vegetationCell.VegetationPackageInstancesList[vegetationPackageIndex].VegetationItemComputeBufferList[vegetationItemIndex].ComputeBuffer);
|
|||
|
|
MergeBufferShader.SetInt(bufferCountID, instanceCount);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
MergeBufferShader.SetBuffer(MergeBufferKernelHandle, bufferID, _dummyComputeBuffer);
|
|||
|
|
MergeBufferShader.SetInt(bufferCountID, 0);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|