public static void Cull(MCRSceneContext context)
{
if (!bInit)
{
return;
}
PipelineContext.mainCmdBuffer.BeginSample("GPU-Cull");
ResetCullResult(context);
FrustumCull(context);
OcclusCull(context);
PipelineContext.mainCmdBuffer.EndSample("GPU-Cull");
PipelineContext.ExecuteMainCommandBuffer();
}
private static void FrustumCull(MCRSceneContext context)
{
//设置buffer
PipelineContext.mainCmdBuffer.SetComputeVectorArrayParam(cullShader,
GPUCull.GPUCullConstant._FrustumPlanes,
PipelineContext.gpuCamera.frustumPlane);
PipelineContext.mainCmdBuffer.SetComputeBufferParam(cullShader, FrustumKernerl, MCRConstant._MCRClusterBuffer, context.clusterBuffer);
PipelineContext.mainCmdBuffer.SetComputeBufferParam(cullShader, FrustumKernerl, MCRConstant._MCRCullResultBuffer, context.cullResultBuffer);
PipelineContext.mainCmdBuffer.SetComputeBufferParam(cullShader, FrustumKernerl, MCRConstant._MCRCullInstanceCountBuffer, context.cullInstanceCountBuffer);
int val = context.ClusterCount / GPUCullConstant.FrustmCullNumThreads;
PipelineContext.mainCmdBuffer.DispatchCompute(cullShader, FrustumKernerl, val, 1, 1);
//PipelineContext.mainCmdBuffer.DispatchCompute(cullShader, FrustumKernerl, val, 1, 1);
}
private static void OcclusCull(MCRSceneContext context)
{
}
private static void ResetCullResult(MCRSceneContext context)
{
PipelineContext.mainCmdBuffer.SetComputeBufferParam(cullShader, ClearKernel, MCRConstant._MCRCullInstanceCountBuffer, context.cullInstanceCountBuffer);
//清理buffer
PipelineContext.mainCmdBuffer.DispatchCompute(cullShader, ClearKernel, 1, 1, 1);
}