private static void DispatchCulling(ref PipelineBaseBuffer baseBuffer, ComputeShader computeShader, ref RenderObject obj, int index)
{
computeShader.SetVector(ShaderIDs._Extent, obj.extent);
computeShader.SetInt(ShaderIDs._IndirectIndex, index);
computeShader.SetBuffer(0, ShaderIDs.objBuffer, obj.objBuffer);
ComputeShaderUtility.Dispatch(computeShader, 0, obj.objBuffer.count, 128);
}
public static void DispatchLodCalculate(ref LodBuffers buffers, Vector3 cameraPosition)
{
buffers.sizeBuffer.SetData(ComputeShaderUtility.zero);
buffers.lodShader.SetVector(ShaderIDs._CameraPos, cameraPosition);
buffers.lodShader.SetBuffer(buffers.calculateKernel, ShaderIDs.lodGroupBuffer, buffers.lodGroupBuffer);
buffers.lodShader.SetBuffer(buffers.calculateKernel, ShaderIDs.sizeBuffer, buffers.sizeBuffer);
buffers.lodShader.SetBuffer(buffers.calculateKernel, ShaderIDs.changedBuffer, buffers.changedBuffer);
ComputeShaderUtility.Dispatch(buffers.lodShader, buffers.calculateKernel, buffers.lodGroupBuffer.count, LodBuffers.CALCULATETHREADGROUP);
}
public static void SetLastFrameMatrix(ref CullingBuffers cullingBuffers, ref Matrix4x4 lastVP)
{
if (cullingBuffers.currentCullingResult > 0)
{
cullingBuffers.cullingShader.SetMatrix(ShaderIDs.LAST_VP_MATRIX, lastVP);
cullingBuffers.cullingShader.SetBuffer(cullingBuffers.lastMatricesKernel, ShaderIDs.Transforms, cullingBuffers.resultBuffer);
cullingBuffers.cullingShader.SetBuffer(cullingBuffers.lastMatricesKernel, ShaderIDs.lastFrameMatrices, cullingBuffers.lastFrameMatricesBuffer);
ComputeShaderUtility.Dispatch(cullingBuffers.cullingShader, cullingBuffers.lastMatricesKernel, cullingBuffers.currentCullingResult, THREADGROUPCOUNT);
}
}
/// <summary>
/// Run Culling With Compute Shader
/// </summary>
/// <param name="view"></param> World To View Matrix
/// <param name="proj"></param> View To NDC Matrix
/// <param name="buffers"></param> Buffers
public static void RunCulling(ref Matrix4x4 view, ref Matrix4x4 proj, ref Matrix4x4 rtProj, ref CullingBuffers buffers)
{
Matrix4x4 vp = proj * view;
buffers.cullingShader.SetMatrix(ShaderIDs._VPMatrix, rtProj * view);
GetCullingPlanes(ref vp, planes);
for (int i = 0; i < 6; ++i)
{
Vector3 normal = planes[i].normal;
float distance = planes[i].distance;
planesVector[i] = new Vector4(normal.x, normal.y, normal.z, distance);
}
buffers.cullingShader.SetVectorArray(ShaderIDs.planes, planesVector);
ComputeShaderUtility.Dispatch(buffers.cullingShader, buffers.csmainKernel, buffers.count, THREADGROUPCOUNT);
buffers.currentCullingResult = (int)GetCullingBufferResult(ref buffers);
}
public static void RunCullDispatching(ref PipelineBaseBuffer baseBuffer, ComputeShader computeShader)
{
computeShader.Dispatch(1, 1, 1, 1);
ComputeShaderUtility.Dispatch(computeShader, 0, baseBuffer.clusterCount, 64);
}
private static void Dispatch(ref RainData data)
{
ComputeShaderUtility.Dispatch(data.settingData.randomDrawShader, 0, data.shaderData.instancingBuffer.count, THREADGROUPCOUNT);
}
