864 lines
32 KiB
C#
864 lines
32 KiB
C#
using UnityEngine;
|
||
using UnityEngine.Rendering;
|
||
using UnityEngine.Rendering.Universal;
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
using Unity.Collections;
|
||
using UnityEngine.Experimental.Rendering;
|
||
using XericLibrary.Runtime.MacroLibrary;
|
||
|
||
#if UNITY_2022_1_OR_NEWER
|
||
namespace XericLibrary.PostProcess
|
||
{
|
||
/// <summary>
|
||
/// 用于存储展平后的 SubMesh 渲染数据
|
||
/// </summary>
|
||
[System.Serializable]
|
||
public struct SubMeshDrawData
|
||
{
|
||
public Mesh mesh;
|
||
public Matrix4x4 matrix;
|
||
public int subMeshIndex;
|
||
public int uniqueMatID;
|
||
public Material material;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 解码后的地质层拾取数据
|
||
/// </summary>
|
||
[System.Serializable]
|
||
public struct PickedGeoData
|
||
{
|
||
public int matID;
|
||
public Vector3 worldPos;
|
||
public bool isValid;
|
||
|
||
public Material GetMaterial()
|
||
{
|
||
if (GeoLayerPickerRenderPassFeature.Instance != null)
|
||
{
|
||
return GeoLayerPickerRenderPassFeature.Instance.GetMaterialByID(matID);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
public string GetMaterialName()
|
||
{
|
||
var mat = GetMaterial();
|
||
return mat != null ? mat.name : "Unknown";
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 材质统计结果
|
||
/// </summary>
|
||
[System.Serializable]
|
||
public struct MaterialStatResult
|
||
{
|
||
public int matID;
|
||
public float location;
|
||
public float percentage;
|
||
public int pixelCount;
|
||
|
||
public Material GetMaterial()
|
||
{
|
||
if (GeoLayerPickerRenderPassFeature.Instance != null)
|
||
{
|
||
return GeoLayerPickerRenderPassFeature.Instance.GetMaterialByID(matID);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
public string GetMaterialName()
|
||
{
|
||
var mat = GetMaterial();
|
||
return mat != null ? mat.name : "Unknown";
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 地质层拾取 RenderFeature。
|
||
/// </summary>
|
||
public class GeoLayerPickerRenderPassFeature : ScriptableRendererFeature
|
||
{
|
||
#region 静态单例与外部管理 API
|
||
|
||
public static GeoLayerPickerRenderPassFeature Instance { get; private set; }
|
||
|
||
private readonly List<MeshFilter> m_GeoMeshes = new List<MeshFilter>();
|
||
private readonly List<SubMeshDrawData> m_DrawList = new List<SubMeshDrawData>();
|
||
private readonly Dictionary<Material, int> m_MaterialToID = new Dictionary<Material, int>();
|
||
private readonly Dictionary<int, Material> m_IDToMaterial = new Dictionary<int, Material>();
|
||
private bool m_IsDirty = true;
|
||
|
||
public IReadOnlyDictionary<Material, int> MaterialToID => m_MaterialToID;
|
||
public IReadOnlyDictionary<int, Material> IDToMaterial => m_IDToMaterial;
|
||
|
||
public Material GetMaterialByID(int matID)
|
||
{
|
||
if (m_IDToMaterial.TryGetValue(matID, out var material))
|
||
{
|
||
return material;
|
||
}
|
||
return null;
|
||
}
|
||
|
||
public int GetIDByMaterial(Material material)
|
||
{
|
||
if (material != null && m_MaterialToID.TryGetValue(material, out var id))
|
||
{
|
||
return id;
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
public void AddGeoMesh(MeshFilter meshFilter)
|
||
{
|
||
if (meshFilter != null && !m_GeoMeshes.Contains(meshFilter))
|
||
{
|
||
m_GeoMeshes.Add(meshFilter);
|
||
m_IsDirty = true;
|
||
}
|
||
}
|
||
|
||
public void AddGeoMeshes(IEnumerable<MeshFilter> meshFilters)
|
||
{
|
||
if (meshFilters == null) return;
|
||
foreach (var mf in meshFilters)
|
||
{
|
||
if (mf != null && !m_GeoMeshes.Contains(mf))
|
||
{
|
||
m_GeoMeshes.Add(mf);
|
||
m_IsDirty = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
public void RemoveGeoMesh(MeshFilter meshFilter)
|
||
{
|
||
if (m_GeoMeshes.Remove(meshFilter)) m_IsDirty = true;
|
||
}
|
||
|
||
public void ClearGeoMeshes()
|
||
{
|
||
if (m_GeoMeshes.Count > 0)
|
||
{
|
||
m_GeoMeshes.Clear();
|
||
m_IsDirty = true;
|
||
}
|
||
}
|
||
|
||
public IReadOnlyList<MeshFilter> GetGeoMeshes() => m_GeoMeshes;
|
||
|
||
#endregion
|
||
|
||
#region 数据访问 API
|
||
|
||
private PickedGeoData[] m_DecodedDataArray;
|
||
private int m_ValidDataCount = 0;
|
||
|
||
public IReadOnlyList<PickedGeoData> GetDecodedData() => m_DecodedDataArray;
|
||
|
||
public void GetColumnData(int column, List<PickedGeoData> listData)
|
||
{
|
||
listData.Clear();
|
||
if (m_DecodedDataArray == null) return;
|
||
column = MacroMath.ClampToInt(column, 0, pickRTSize.x);
|
||
for (int i = 0; i < pickRTSize.y; i++)
|
||
{
|
||
listData.Add(m_DecodedDataArray[pickRTSize.x * i + column]);
|
||
}
|
||
}
|
||
|
||
public bool TryGetPickedData(Vector2 normalizedScreenPos, out PickedGeoData data)
|
||
{
|
||
data = default;
|
||
if (m_DecodedDataArray == null || m_DecodedDataArray.Length == 0) return false;
|
||
|
||
float localX = (normalizedScreenPos.x - sampleRect.x) / sampleRect.width;
|
||
float localY = (normalizedScreenPos.y - sampleRect.y) / sampleRect.height;
|
||
|
||
if (localX < 0f || localX > 1f || localY < 0f || localY > 1f) return false;
|
||
|
||
int pixelX = Mathf.Clamp(Mathf.FloorToInt(localX * pickRTSize.x), 0, pickRTSize.x - 1);
|
||
int pixelY = Mathf.Clamp(Mathf.FloorToInt(localY * pickRTSize.y), 0, pickRTSize.y - 1);
|
||
|
||
int index = pixelY * pickRTSize.x + pixelX;
|
||
if (index < 0 || index >= m_DecodedDataArray.Length) return false;
|
||
|
||
data = m_DecodedDataArray[index];
|
||
return true;
|
||
}
|
||
|
||
public void ForceReadbackSync()
|
||
{
|
||
// 修复：使用 m_ReadbackBufferHandle 进行同步等待
|
||
if (m_ReadbackBufferHandle != null)
|
||
{
|
||
AsyncGPUReadback.WaitAllRequests();
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region 材质统计 API
|
||
|
||
public void GetVerticalMaterialStats(List<MaterialStatResult> results, float startPos = 0f, float endPos = 1f)
|
||
{
|
||
results.Clear();
|
||
if (m_DecodedDataArray == null || m_DecodedDataArray.Length == 0) return;
|
||
|
||
startPos = Mathf.Clamp01(startPos);
|
||
endPos = Mathf.Clamp01(endPos);
|
||
if (startPos > endPos)
|
||
{
|
||
float temp = startPos;
|
||
startPos = endPos;
|
||
endPos = temp;
|
||
}
|
||
|
||
int startPixelY = Mathf.FloorToInt(startPos * (pickRTSize.y - 1));
|
||
int endPixelY = Mathf.FloorToInt(endPos * (pickRTSize.y - 1));
|
||
|
||
Dictionary<int, List<float>> matIDToPositions = new Dictionary<int, List<float>>();
|
||
Dictionary<int, int> matIDToCount = new Dictionary<int, int>();
|
||
int totalValidPixels = 0;
|
||
|
||
for (int y = startPixelY; y <= endPixelY; y++)
|
||
{
|
||
for (int x = 0; x < pickRTSize.x; x++)
|
||
{
|
||
int index = y * pickRTSize.x + x;
|
||
if (index < 0 || index >= m_DecodedDataArray.Length) continue;
|
||
|
||
var data = m_DecodedDataArray[index];
|
||
if (!data.isValid) continue;
|
||
|
||
float normalizedY = (float)y / (pickRTSize.y - 1);
|
||
|
||
if (!matIDToPositions.ContainsKey(data.matID))
|
||
{
|
||
matIDToPositions[data.matID] = new List<float>();
|
||
matIDToCount[data.matID] = 0;
|
||
}
|
||
matIDToPositions[data.matID].Add(normalizedY);
|
||
matIDToCount[data.matID]++;
|
||
totalValidPixels++;
|
||
}
|
||
}
|
||
|
||
foreach (var kvp in matIDToPositions)
|
||
{
|
||
int matID = kvp.Key;
|
||
var positions = kvp.Value;
|
||
float avgLocation = positions.Average();
|
||
float percentage = totalValidPixels > 0 ? (float)matIDToCount[matID] / totalValidPixels * 100f : 0f;
|
||
|
||
results.Add(new MaterialStatResult
|
||
{
|
||
matID = matID,
|
||
location = avgLocation,
|
||
percentage = percentage,
|
||
pixelCount = matIDToCount[matID]
|
||
});
|
||
}
|
||
|
||
results.Sort((a, b) => a.location.CompareTo(b.location));
|
||
}
|
||
|
||
public void GetHorizontalMaterialStats(List<MaterialStatResult> results, float startPos = 0f, float endPos = 1f)
|
||
{
|
||
results.Clear();
|
||
if (m_DecodedDataArray == null || m_DecodedDataArray.Length == 0) return;
|
||
|
||
startPos = Mathf.Clamp01(startPos);
|
||
endPos = Mathf.Clamp01(endPos);
|
||
if (startPos > endPos)
|
||
{
|
||
float temp = startPos;
|
||
startPos = endPos;
|
||
endPos = temp;
|
||
}
|
||
|
||
int startPixelX = Mathf.FloorToInt(startPos * (pickRTSize.x - 1));
|
||
int endPixelX = Mathf.FloorToInt(endPos * (pickRTSize.x - 1));
|
||
|
||
Dictionary<int, List<float>> matIDToPositions = new Dictionary<int, List<float>>();
|
||
Dictionary<int, int> matIDToCount = new Dictionary<int, int>();
|
||
int totalValidPixels = 0;
|
||
|
||
for (int x = startPixelX; x <= endPixelX; x++)
|
||
{
|
||
for (int y = 0; y < pickRTSize.y; y++)
|
||
{
|
||
int index = y * pickRTSize.x + x;
|
||
if (index < 0 || index >= m_DecodedDataArray.Length) continue;
|
||
|
||
var data = m_DecodedDataArray[index];
|
||
if (!data.isValid) continue;
|
||
|
||
float normalizedX = (float)x / (pickRTSize.x - 1);
|
||
|
||
if (!matIDToPositions.ContainsKey(data.matID))
|
||
{
|
||
matIDToPositions[data.matID] = new List<float>();
|
||
matIDToCount[data.matID] = 0;
|
||
}
|
||
matIDToPositions[data.matID].Add(normalizedX);
|
||
matIDToCount[data.matID]++;
|
||
totalValidPixels++;
|
||
}
|
||
}
|
||
|
||
foreach (var kvp in matIDToPositions)
|
||
{
|
||
int matID = kvp.Key;
|
||
var positions = kvp.Value;
|
||
float avgLocation = positions.Average();
|
||
float percentage = totalValidPixels > 0 ? (float)matIDToCount[matID] / totalValidPixels * 100f : 0f;
|
||
|
||
results.Add(new MaterialStatResult
|
||
{
|
||
matID = matID,
|
||
location = avgLocation,
|
||
percentage = percentage,
|
||
pixelCount = matIDToCount[matID]
|
||
});
|
||
}
|
||
|
||
results.Sort((a, b) => a.location.CompareTo(b.location));
|
||
}
|
||
|
||
public void GetDominantMaterialByVerticalSlice(List<MaterialStatResult> results, int sliceCount = 10, float startPos = 0f, float endPos = 1f)
|
||
{
|
||
results.Clear();
|
||
if (m_DecodedDataArray == null || m_DecodedDataArray.Length == 0) return;
|
||
|
||
sliceCount = Mathf.Max(1, sliceCount);
|
||
startPos = Mathf.Clamp01(startPos);
|
||
endPos = Mathf.Clamp01(endPos);
|
||
if (startPos > endPos)
|
||
{
|
||
float temp = startPos;
|
||
startPos = endPos;
|
||
endPos = temp;
|
||
}
|
||
|
||
int startPixelY = Mathf.FloorToInt(startPos * (pickRTSize.y - 1));
|
||
int endPixelY = Mathf.FloorToInt(endPos * (pickRTSize.y - 1));
|
||
int totalHeight = endPixelY - startPixelY + 1;
|
||
if (totalHeight <= 0) return;
|
||
|
||
float sliceHeight = (float)totalHeight / sliceCount;
|
||
|
||
for (int sliceIdx = 0; sliceIdx < sliceCount; sliceIdx++)
|
||
{
|
||
int sliceStartY = startPixelY + Mathf.FloorToInt(sliceIdx * sliceHeight);
|
||
int sliceEndY = startPixelY + Mathf.FloorToInt((sliceIdx + 1) * sliceHeight) - 1;
|
||
sliceEndY = Mathf.Min(sliceEndY, endPixelY);
|
||
|
||
Dictionary<int, int> matIDCount = new Dictionary<int, int>();
|
||
int sliceTotal = 0;
|
||
|
||
for (int y = sliceStartY; y <= sliceEndY; y++)
|
||
{
|
||
for (int x = 0; x < pickRTSize.x; x++)
|
||
{
|
||
int index = y * pickRTSize.x + x;
|
||
if (index < 0 || index >= m_DecodedDataArray.Length) continue;
|
||
|
||
var data = m_DecodedDataArray[index];
|
||
if (!data.isValid) continue;
|
||
|
||
if (!matIDCount.ContainsKey(data.matID))
|
||
{
|
||
matIDCount[data.matID] = 0;
|
||
}
|
||
matIDCount[data.matID]++;
|
||
sliceTotal++;
|
||
}
|
||
}
|
||
|
||
if (sliceTotal > 0)
|
||
{
|
||
int dominantMatID = matIDCount.Aggregate((l, r) => l.Value > r.Value ? l : r).Key;
|
||
float sliceCenterY = (sliceStartY + sliceEndY) / 2f / (pickRTSize.y - 1);
|
||
float percentage = (float)matIDCount[dominantMatID] / sliceTotal * 100f;
|
||
|
||
results.Add(new MaterialStatResult
|
||
{
|
||
matID = dominantMatID,
|
||
location = sliceCenterY,
|
||
percentage = percentage,
|
||
pixelCount = matIDCount[dominantMatID]
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
public void GetDominantMaterialByHorizontalSlice(List<MaterialStatResult> results, int sliceCount = 10, float startPos = 0f, float endPos = 1f)
|
||
{
|
||
results.Clear();
|
||
if (m_DecodedDataArray == null || m_DecodedDataArray.Length == 0) return;
|
||
|
||
sliceCount = Mathf.Max(1, sliceCount);
|
||
startPos = Mathf.Clamp01(startPos);
|
||
endPos = Mathf.Clamp01(endPos);
|
||
if (startPos > endPos)
|
||
{
|
||
float temp = startPos;
|
||
startPos = endPos;
|
||
endPos = temp;
|
||
}
|
||
|
||
int startPixelX = Mathf.FloorToInt(startPos * (pickRTSize.x - 1));
|
||
int endPixelX = Mathf.FloorToInt(endPos * (pickRTSize.x - 1));
|
||
int totalWidth = endPixelX - startPixelX + 1;
|
||
if (totalWidth <= 0) return;
|
||
|
||
float sliceWidth = (float)totalWidth / sliceCount;
|
||
|
||
for (int sliceIdx = 0; sliceIdx < sliceCount; sliceIdx++)
|
||
{
|
||
int sliceStartX = startPixelX + Mathf.FloorToInt(sliceIdx * sliceWidth);
|
||
int sliceEndX = startPixelX + Mathf.FloorToInt((sliceIdx + 1) * sliceWidth) - 1;
|
||
sliceEndX = Mathf.Min(sliceEndX, endPixelX);
|
||
|
||
Dictionary<int, int> matIDCount = new Dictionary<int, int>();
|
||
int sliceTotal = 0;
|
||
|
||
for (int x = sliceStartX; x <= sliceEndX; x++)
|
||
{
|
||
for (int y = 0; y < pickRTSize.y; y++)
|
||
{
|
||
int index = y * pickRTSize.x + x;
|
||
if (index < 0 || index >= m_DecodedDataArray.Length) continue;
|
||
|
||
var data = m_DecodedDataArray[index];
|
||
if (!data.isValid) continue;
|
||
|
||
if (!matIDCount.ContainsKey(data.matID))
|
||
{
|
||
matIDCount[data.matID] = 0;
|
||
}
|
||
matIDCount[data.matID]++;
|
||
sliceTotal++;
|
||
}
|
||
}
|
||
|
||
if (sliceTotal > 0)
|
||
{
|
||
int dominantMatID = matIDCount.Aggregate((l, r) => l.Value > r.Value ? l : r).Key;
|
||
float sliceCenterX = (sliceStartX + sliceEndX) / 2f / (pickRTSize.x - 1);
|
||
float percentage = (float)matIDCount[dominantMatID] / sliceTotal * 100f;
|
||
|
||
results.Add(new MaterialStatResult
|
||
{
|
||
matID = dominantMatID,
|
||
location = sliceCenterX,
|
||
percentage = percentage,
|
||
pixelCount = matIDCount[dominantMatID]
|
||
});
|
||
}
|
||
}
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region Inspector 配置参数
|
||
|
||
[Header("拾取材质与尺寸")] public Material pickMaterial;
|
||
public Vector2Int pickRTSize = new Vector2Int(64, 64);
|
||
|
||
[Header("采样区域设置")] public Rect sampleRect = new Rect(0f, 0f, 1f, 1f);
|
||
|
||
[Header("读取频率控制")] [Range(0.01f, 1.0f)]
|
||
public float readbackInterval = 0.1f;
|
||
|
||
[Header("调试设置")] public bool enableDebugLog = false;
|
||
|
||
#endregion
|
||
|
||
// 核心修改：全面使用 RTHandle 替代 RenderTexture
|
||
private RTHandle m_PickRTHandle;
|
||
private RTHandle m_ReadbackBufferHandle;
|
||
|
||
private float m_TimeSinceLastReadback = 0f;
|
||
private bool m_IsReadbackInProgress = false;
|
||
private int m_ReadbackFrameCounter = 0;
|
||
|
||
// 调试覆盖图相关
|
||
private Material m_DebugOverlayMaterial;
|
||
private static readonly int DebugRectProp = Shader.PropertyToID("_DebugRect");
|
||
private static readonly int DebugMainTex = Shader.PropertyToID("_MainTex");
|
||
|
||
class CustomRenderPass : ScriptableRenderPass
|
||
{
|
||
public Material passMaterial;
|
||
public RTHandle passRTHandle;
|
||
public RTHandle passReadbackBuffer;
|
||
public List<SubMeshDrawData> passDrawList;
|
||
public Rect passSampleRect;
|
||
public bool requestReadback;
|
||
|
||
// 屏幕调试
|
||
public bool drawDebugOverlay;
|
||
public Material debugOverlayMaterial;
|
||
public RTHandle cameraColorTarget; // 用于获取屏幕渲染目标
|
||
|
||
private int m_MatIDProperty = Shader.PropertyToID("_MatID");
|
||
|
||
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
|
||
{
|
||
if (passMaterial == null || passRTHandle == null || passDrawList == null || passDrawList.Count == 0)
|
||
return;
|
||
|
||
CommandBuffer cmd = CommandBufferPool.Get("GeoLayerPickBuffer");
|
||
|
||
// 手动设置渲染目标并清理，避免 URP 隐式状态干扰
|
||
cmd.SetRenderTarget(passRTHandle);
|
||
cmd.ClearRenderTarget(true, true, Color.clear);
|
||
|
||
Camera cam = renderingData.cameraData.camera;
|
||
Matrix4x4 viewMatrix = cam.worldToCameraMatrix;
|
||
Matrix4x4 projMatrix = cam.projectionMatrix;
|
||
|
||
float ndcXMin = passSampleRect.x * 2f - 1f;
|
||
float ndcXMax = (passSampleRect.x + passSampleRect.width) * 2f - 1f;
|
||
float ndcYMin = passSampleRect.y * 2f - 1f;
|
||
float ndcYMax = (passSampleRect.y + passSampleRect.height) * 2f - 1f;
|
||
|
||
float scaleX = 2f / (ndcXMax - ndcXMin);
|
||
float scaleY = 2f / (ndcYMax - ndcYMin);
|
||
float offsetX = -1f - ndcXMin * scaleX;
|
||
float offsetY = -1f - ndcYMin * scaleY;
|
||
|
||
projMatrix.m00 *= scaleX;
|
||
projMatrix.m11 *= scaleY;
|
||
projMatrix.m02 += offsetX;
|
||
projMatrix.m12 += offsetY;
|
||
|
||
projMatrix = GL.GetGPUProjectionMatrix(projMatrix, true);
|
||
cmd.SetViewProjectionMatrices(viewMatrix, projMatrix);
|
||
cmd.SetViewport(new Rect(0, 0, passRTHandle.rt.width, passRTHandle.rt.height));
|
||
|
||
for (int i = 0; i < passDrawList.Count; i++)
|
||
{
|
||
var data = passDrawList[i];
|
||
cmd.SetGlobalInt(m_MatIDProperty, data.uniqueMatID);
|
||
cmd.DrawMesh(data.mesh, data.matrix, passMaterial, data.subMeshIndex);
|
||
}
|
||
|
||
cmd.SetViewProjectionMatrices(viewMatrix, renderingData.cameraData.GetProjectionMatrix());
|
||
|
||
// 如果本帧需要回读，将数据安全地 Blit 到隔离缓冲区
|
||
if (requestReadback && passReadbackBuffer != null)
|
||
{
|
||
cmd.Blit(passRTHandle, passReadbackBuffer);
|
||
}
|
||
|
||
context.ExecuteCommandBuffer(cmd);
|
||
CommandBufferPool.Release(cmd);
|
||
|
||
if (requestReadback && passReadbackBuffer != null)
|
||
{
|
||
AsyncGPUReadback.Request(passReadbackBuffer.rt, 0, TextureFormat.RGBAFloat,
|
||
GeoLayerPickerRenderPassFeature.Instance.OnReadbackComplete);
|
||
}
|
||
|
||
// --- 绘制全屏调试图 ---
|
||
if (drawDebugOverlay && debugOverlayMaterial != null && passRTHandle != null)
|
||
{
|
||
var feature = GeoLayerPickerRenderPassFeature.Instance;
|
||
if (feature == null) return;
|
||
|
||
RTHandle currentColorTarget = renderingData.cameraData.renderer.cameraColorTargetHandle;
|
||
CommandBuffer debugCmd = CommandBufferPool.Get("GeoPickerDebugOverlay");
|
||
|
||
// 【核心 1】：使用 MaterialPropertyBlock 隔离参数
|
||
MaterialPropertyBlock mpb = new MaterialPropertyBlock();
|
||
|
||
// 【修正 1】：直接使用字符串名称和 RTHandle 对象本身（RTHandle 隐式转为 Texture）
|
||
// 彻底避开 nameID (RenderTargetIdentifier) 的类型转换坑！
|
||
mpb.SetTexture(DebugMainTex, passRTHandle);
|
||
|
||
mpb.SetVector(DebugRectProp, new Vector4(
|
||
feature.sampleRect.x,
|
||
feature.sampleRect.y,
|
||
feature.sampleRect.width,
|
||
feature.sampleRect.height
|
||
));
|
||
|
||
// 设置渲染目标为当前屏幕
|
||
CoreUtils.SetRenderTarget(debugCmd, currentColorTarget);
|
||
|
||
// 【修正 2】：DrawProcedural 必须显式传入 instanceCount (1) 作为第 6 个参数！
|
||
debugCmd.DrawProcedural(
|
||
Matrix4x4.identity, // 1. matrix
|
||
debugOverlayMaterial, // 2. material
|
||
0, // 3. shaderPass
|
||
MeshTopology.Triangles, // 4. topology
|
||
3, // 5. vertexCount (全屏三角形)
|
||
1, // 6. instanceCount (必须显式写 1！)
|
||
mpb // 7. MaterialPropertyBlock
|
||
);
|
||
|
||
context.ExecuteCommandBuffer(debugCmd);
|
||
CommandBufferPool.Release(debugCmd);
|
||
}
|
||
}
|
||
}
|
||
|
||
private CustomRenderPass m_ScriptablePass;
|
||
|
||
public override void Create()
|
||
{
|
||
Instance = this;
|
||
m_IsDirty = true;
|
||
|
||
m_ScriptablePass = new CustomRenderPass
|
||
{
|
||
renderPassEvent = RenderPassEvent.AfterRenderingOpaques
|
||
};
|
||
|
||
// 释放旧的 RTHandle
|
||
if (m_PickRTHandle != null)
|
||
{
|
||
m_PickRTHandle.Release();
|
||
m_PickRTHandle = null;
|
||
}
|
||
|
||
if (m_ReadbackBufferHandle != null)
|
||
{
|
||
m_ReadbackBufferHandle.Release();
|
||
m_ReadbackBufferHandle = null;
|
||
}
|
||
|
||
// 分配新的 RTHandle
|
||
m_PickRTHandle = RTHandles.Alloc(
|
||
pickRTSize.x, pickRTSize.y,
|
||
colorFormat: GraphicsFormat.R32G32B32A32_SFloat,
|
||
filterMode: FilterMode.Point,
|
||
name: "GeoLayerPickRT"
|
||
);
|
||
|
||
m_ReadbackBufferHandle = RTHandles.Alloc(
|
||
pickRTSize.x, pickRTSize.y,
|
||
colorFormat: GraphicsFormat.R32G32B32A32_SFloat,
|
||
filterMode: FilterMode.Point,
|
||
name: "GeoLayerReadbackBuffer"
|
||
);
|
||
|
||
int requiredLength = pickRTSize.x * pickRTSize.y;
|
||
if (m_DecodedDataArray == null || m_DecodedDataArray.Length != requiredLength)
|
||
{
|
||
m_DecodedDataArray = new PickedGeoData[requiredLength];
|
||
if (enableDebugLog) Debug.Log($"[GeoLayerPicker] 数组重新初始化，长度: {requiredLength}");
|
||
}
|
||
|
||
// 初始化调试材质
|
||
if (m_DebugOverlayMaterial == null)
|
||
{
|
||
Shader overlayShader = Shader.Find("Hidden/XericLibrary/GeoLayerPicker/ScreenOverrideRect");
|
||
if (overlayShader != null)
|
||
{
|
||
m_DebugOverlayMaterial = CoreUtils.CreateEngineMaterial(overlayShader);
|
||
}
|
||
else
|
||
{
|
||
Debug.LogError("[GeoLayerPicker] 找不到调试 Shader: Hidden/XericLibrary/GeoLayerPicker/ScreenOverrideRect");
|
||
}
|
||
}
|
||
}
|
||
|
||
public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
|
||
{
|
||
if (m_ScriptablePass == null || pickMaterial == null) return;
|
||
|
||
if (m_IsDirty)
|
||
{
|
||
RebuildDrawList();
|
||
m_IsDirty = false;
|
||
if (enableDebugLog) Debug.Log($"[GeoLayerPicker] DrawList 重建完成，包含 {m_DrawList.Count} 个 SubMesh。");
|
||
}
|
||
|
||
m_ReadbackFrameCounter++;
|
||
if (m_IsReadbackInProgress && m_ReadbackFrameCounter > 60)
|
||
{
|
||
Debug.LogWarning("[GeoLayerPicker] AsyncGPUReadback 疑似卡死，强制重置并清理队列。");
|
||
AsyncGPUReadback.WaitAllRequests();
|
||
m_IsReadbackInProgress = false;
|
||
m_ReadbackFrameCounter = 0;
|
||
}
|
||
|
||
m_TimeSinceLastReadback += Time.deltaTime;
|
||
|
||
bool shouldRead = false;
|
||
if (m_TimeSinceLastReadback >= readbackInterval && !m_IsReadbackInProgress)
|
||
{
|
||
m_TimeSinceLastReadback = 0f;
|
||
m_IsReadbackInProgress = true;
|
||
m_ReadbackFrameCounter = 0;
|
||
shouldRead = true;
|
||
}
|
||
|
||
// 后处理参数
|
||
m_ScriptablePass.passMaterial = pickMaterial;
|
||
m_ScriptablePass.passRTHandle = m_PickRTHandle;
|
||
m_ScriptablePass.passReadbackBuffer = m_ReadbackBufferHandle;
|
||
m_ScriptablePass.passDrawList = m_DrawList;
|
||
m_ScriptablePass.passSampleRect = sampleRect;
|
||
m_ScriptablePass.requestReadback = shouldRead;
|
||
|
||
// 配置调试覆盖图参数
|
||
m_ScriptablePass.drawDebugOverlay = enableDebugLog; // 由 Inspector 开关控制
|
||
m_ScriptablePass.debugOverlayMaterial = m_DebugOverlayMaterial;
|
||
// m_ScriptablePass.cameraColorTarget = renderer.cameraColorTargetHandle; // 当前是注册阶段无法获取目标
|
||
|
||
renderer.EnqueuePass(m_ScriptablePass);
|
||
}
|
||
|
||
private void OnReadbackComplete(AsyncGPUReadbackRequest request)
|
||
{
|
||
m_IsReadbackInProgress = false;
|
||
|
||
if (request.hasError || m_DecodedDataArray == null)
|
||
{
|
||
Debug.LogError("[GeoLayerPicker] Readback 发生错误或数组为空！");
|
||
return;
|
||
}
|
||
|
||
var rawData = request.GetData<Color>();
|
||
if (rawData.Length == 0) return;
|
||
|
||
// 修复：使用 m_ReadbackBufferHandle.rt 获取宽高
|
||
int width = m_ReadbackBufferHandle.rt.width;
|
||
int height = m_ReadbackBufferHandle.rt.height;
|
||
int count = m_DecodedDataArray.Length;
|
||
|
||
bool flipY = SystemInfo.graphicsUVStartsAtTop;
|
||
m_ValidDataCount = 0;
|
||
|
||
for (int i = 0; i < count; i++)
|
||
{
|
||
int x = i % width;
|
||
int y = i / width;
|
||
|
||
int sourceY = flipY ? (height - 1 - y) : y;
|
||
int sourceIndex = sourceY * width + x;
|
||
|
||
if (sourceIndex < 0 || sourceIndex >= rawData.Length)
|
||
{
|
||
m_DecodedDataArray[i] = new PickedGeoData { isValid = false };
|
||
continue;
|
||
}
|
||
|
||
Color pixel = rawData[sourceIndex];
|
||
|
||
if (pixel.a > 0.5f)
|
||
{
|
||
m_DecodedDataArray[i] = new PickedGeoData
|
||
{
|
||
isValid = true,
|
||
matID = Mathf.RoundToInt(pixel.a),
|
||
worldPos = new Vector3(pixel.r, pixel.g, pixel.b)
|
||
};
|
||
m_ValidDataCount++;
|
||
}
|
||
else
|
||
{
|
||
m_DecodedDataArray[i] = new PickedGeoData { isValid = false, matID = 0 };
|
||
}
|
||
}
|
||
|
||
if (enableDebugLog)
|
||
{
|
||
Debug.Log($"[GeoLayerPicker] 回读完成！总像素: {count}, 有效拾取像素: {m_ValidDataCount}");
|
||
}
|
||
}
|
||
|
||
private void RebuildDrawList()
|
||
{
|
||
m_DrawList.Clear();
|
||
m_MaterialToID.Clear();
|
||
m_IDToMaterial.Clear();
|
||
int globalIDCounter = 1;
|
||
|
||
foreach (var mf in m_GeoMeshes)
|
||
{
|
||
if (mf == null || mf.sharedMesh == null) continue;
|
||
|
||
var renderer = mf.GetComponent<MeshRenderer>();
|
||
Material[] materials = renderer != null ? renderer.sharedMaterials : null;
|
||
|
||
for (int sub = 0; sub < mf.sharedMesh.subMeshCount; sub++)
|
||
{
|
||
Material material = null;
|
||
if (materials != null && sub < materials.Length)
|
||
{
|
||
material = materials[sub];
|
||
}
|
||
|
||
int matID;
|
||
if (material != null)
|
||
{
|
||
if (!m_MaterialToID.TryGetValue(material, out matID))
|
||
{
|
||
matID = globalIDCounter++;
|
||
m_MaterialToID[material] = matID;
|
||
m_IDToMaterial[matID] = material;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
matID = globalIDCounter++;
|
||
}
|
||
|
||
m_DrawList.Add(new SubMeshDrawData
|
||
{
|
||
mesh = mf.sharedMesh,
|
||
matrix = mf.transform.localToWorldMatrix,
|
||
subMeshIndex = sub,
|
||
uniqueMatID = matID,
|
||
material = material
|
||
});
|
||
}
|
||
}
|
||
|
||
if (enableDebugLog)
|
||
{
|
||
Debug.Log($"[GeoLayerPicker] 材质映射重建完成，共 {m_MaterialToID.Count} 个材质");
|
||
foreach (var kvp in m_MaterialToID)
|
||
{
|
||
Debug.Log($" ID {kvp.Value}: {kvp.Key.name}");
|
||
}
|
||
}
|
||
}
|
||
|
||
protected override void Dispose(bool disposing)
|
||
{
|
||
// 修复：正确释放 RTHandle 并置空
|
||
if (m_PickRTHandle != null)
|
||
{
|
||
m_PickRTHandle.Release();
|
||
m_PickRTHandle = null;
|
||
}
|
||
|
||
if (m_ReadbackBufferHandle != null)
|
||
{
|
||
m_ReadbackBufferHandle.Release();
|
||
m_ReadbackBufferHandle = null;
|
||
}
|
||
|
||
// 释放调试材质
|
||
if (m_DebugOverlayMaterial != null)
|
||
{
|
||
CoreUtils.Destroy(m_DebugOverlayMaterial);
|
||
m_DebugOverlayMaterial = null;
|
||
}
|
||
|
||
if (Instance == this) Instance = null;
|
||
}
|
||
}
|
||
}
|
||
#endif |