void CreateInstancedProbes()
{
foreach (var cell in ProbeReferenceVolume.instance.cells.Values)
{
if (cell.sh == null || cell.sh.Length == 0)
{
continue;
}
float largestBrickSize = cell.bricks.Count == 0 ? 0 : cell.bricks[0].subdivisionLevel;
List <Matrix4x4[]> probeBuffers = new List <Matrix4x4[]>();
List <MaterialPropertyBlock> props = new List <MaterialPropertyBlock>();
List <int[]> probeMaps = new List <int[]>();
// Batch probes for instanced rendering
for (int brickSize = 0; brickSize < largestBrickSize + 1; brickSize++)
{
List <Matrix4x4> probeBuffer = new List <Matrix4x4>();
List <int> probeMap = new List <int>();
for (int i = 0; i < cell.probePositions.Length; i++)
{
// Skip probes which aren't of current brick size
if (cell.bricks[i / 64].subdivisionLevel == brickSize)
{
probeBuffer.Add(Matrix4x4.TRS(cell.probePositions[i], Quaternion.identity, Vector3.one * (0.3f * (brickSize + 1))));
probeMap.Add(i);
}
// Batch limit reached or out of probes
if (probeBuffer.Count >= kProbesPerBatch || i == cell.probePositions.Length - 1)
{
MaterialPropertyBlock prop = new MaterialPropertyBlock();
float gradient = largestBrickSize == 0 ? 1 : brickSize / largestBrickSize;
prop.SetColor("_Color", Color.Lerp(Color.red, Color.green, gradient));
props.Add(prop);
probeBuffers.Add(probeBuffer.ToArray());
probeBuffer = new List <Matrix4x4>();
probeMaps.Add(probeMap.ToArray());
probeMap = new List <int>();
}
}
}
var debugData = new CellInstancedDebugProbes();
debugData.probeBuffers = probeBuffers;
debugData.props = props;
debugData.cellPosition = cell.position;
Vector4[] positionBuffer = new Vector4[kProbesPerBatch];
Vector4[] validityColors = new Vector4[kProbesPerBatch];
for (int batchIndex = 0; batchIndex < probeMaps.Count; batchIndex++)
{
for (int indexInBatch = 0; indexInBatch < probeMaps[batchIndex].Length; indexInBatch++)
{
int probeIdx = probeMaps[batchIndex][indexInBatch];
var pos = cell.probePositions[probeIdx];
positionBuffer[indexInBatch] = new Vector4(pos.x, pos.y, pos.z, 0.0f);
validityColors[indexInBatch] = Color.Lerp(Color.green, Color.red, cell.validity[probeIdx]);
}
debugData.props[batchIndex].SetVectorArray("_Position", positionBuffer);
debugData.props[batchIndex].SetVectorArray("_Validity", validityColors);
}
m_CellDebugData.Add(debugData);
}
}
void CreateInstancedProbes()
{
foreach (var cell in ProbeReferenceVolume.instance.cells.Values)
{
if (cell.sh == null || cell.sh.Length == 0)
{
continue;
}
float largestBrickSize = cell.bricks.Count == 0 ? 0 : cell.bricks[0].subdivisionLevel;
List <Matrix4x4[]> probeBuffers = new List <Matrix4x4[]>();
List <MaterialPropertyBlock> props = new List <MaterialPropertyBlock>();
CellChunkInfo chunks;
m_ChunkInfo.TryGetValue(cell.index, out chunks);
Vector4[] texels = new Vector4[kProbesPerBatch];
float[] validity = new float[kProbesPerBatch];
List <Matrix4x4> probeBuffer = new List <Matrix4x4>();
var debugData = new CellInstancedDebugProbes();
debugData.probeBuffers = probeBuffers;
debugData.props = props;
debugData.cellPosition = cell.position;
int idxInBatch = 0;
for (int i = 0; i < cell.probePositions.Length; i++)
{
var brickSize = cell.bricks[i / 64].subdivisionLevel;
int chunkIndex = i / m_Pool.GetChunkSizeInProbeCount();
var chunk = chunks.chunks[chunkIndex];
int indexInChunk = i % m_Pool.GetChunkSizeInProbeCount();
int brickIdx = indexInChunk / 64;
int indexInBrick = indexInChunk % 64;
Vector2Int brickStart = new Vector2Int(chunk.x + brickIdx * 4, chunk.y);
int indexInSlice = indexInBrick % 16;
Vector3Int texelLoc = new Vector3Int(brickStart.x + (indexInSlice % 4), brickStart.y + (indexInSlice / 4), indexInBrick / 16);
probeBuffer.Add(Matrix4x4.TRS(cell.probePositions[i], Quaternion.identity, Vector3.one * (0.3f * (brickSize + 1))));
validity[idxInBatch] = cell.validity[i];
texels[idxInBatch] = new Vector4(texelLoc.x, texelLoc.y, texelLoc.z, brickSize);
idxInBatch++;
if (probeBuffer.Count >= kProbesPerBatch || i == cell.probePositions.Length - 1)
{
idxInBatch = 0;
MaterialPropertyBlock prop = new MaterialPropertyBlock();
prop.SetFloatArray("_Validity", validity);
prop.SetVectorArray("_IndexInAtlas", texels);
props.Add(prop);
probeBuffers.Add(probeBuffer.ToArray());
probeBuffer = new List <Matrix4x4>();
}
}
m_CellDebugData.Add(debugData);
}
}
