public override void FrameUpdate(PipelineCamera cam, ref PipelineCommandData data)
{
CommandBuffer buffer = data.buffer;
buffer.SetRenderTarget(cam.targets.gbufferIdentifier, cam.targets.depthIdentifier);
buffer.ClearRenderTarget(true, true, Color.black);
HizOcclusionData hizData = IPerCameraData.GetProperty(cam, () => new HizOcclusionData());
RenderClusterOptions options = new RenderClusterOptions
{
command = buffer,
frustumPlanes = data.frustumPlanes,
cullingShader = data.resources.shaders.gpuFrustumCulling,
terrainCompute = data.resources.shaders.terrainCompute
};
if (enableOcclusionCulling)
{
HizOptions hizOptions;
hizOptions = new HizOptions
{
currentCameraUpVec = cam.cam.transform.up,
hizData = hizData,
hizDepth = hizDepth,
linearLODMaterial = linearMat,
currentDepthTex = cam.targets.depthIdentifier
};
SceneController.DrawClusterOccDoubleCheck(ref options, ref hizOptions, ref cam.targets, ref data, cam.cam);
}
else
{
SceneController.DrawCluster(ref options, ref cam.targets, ref data, cam.cam);
}
}
public override void FrameUpdate(PipelineCamera cam, ref PipelineCommandData data)
{
// Material proceduralMaterial = data.baseBuffer.combinedMaterial;
CommandBuffer buffer = data.buffer;
buffer.SetRenderTarget(cam.targets.gbufferIdentifier, cam.targets.depthIdentifier);
buffer.ClearRenderTarget(true, true, Color.black);
PipelineBaseBuffer baseBuffer;
if (!SceneController.current.GetBaseBufferAndCheck(out baseBuffer))
{
return;
}
HizOcclusionData hizData = IPerCameraData.GetProperty <HizOcclusionData>(cam, getOcclusionData);
RenderClusterOptions options = new RenderClusterOptions
{
command = buffer,
frustumPlanes = data.arrayCollection.frustumPlanes,
proceduralMaterial = proceduralMaterial,
isOrtho = cam.cam.orthographic,
cullingShader = data.resources.gpuFrustumCulling
};
HizOptions hizOptions;
switch (occCullingMod)
{
case OcclusionCullingMode.None:
SceneController.current.DrawCluster(ref options);
break;
case OcclusionCullingMode.SingleCheck:
hizOptions = new HizOptions
{
currentCameraUpVec = cam.cam.transform.up,
hizData = hizData,
hizDepth = hizDepth,
linearLODMaterial = linearMat
};
SceneController.current.DrawClusterOccSingleCheck(ref options, ref hizOptions);
break;
case OcclusionCullingMode.DoubleCheck:
hizOptions = new HizOptions
{
currentCameraUpVec = cam.cam.transform.up,
hizData = hizData,
hizDepth = hizDepth,
linearLODMaterial = linearMat
};
SceneController.current.DrawClusterOccDoubleCheck(ref options, ref hizOptions, ref cam.targets);
break;
}
data.ExecuteCommandBuffer();
}
public override void FrameUpdate(PipelineCamera cam, ref PipelineCommandData data)
{
CommandBuffer buffer = data.buffer;
buffer.SetRenderTarget(cam.targets.gbufferIdentifier, cam.targets.depthIdentifier);
buffer.ClearRenderTarget(true, true, Color.black);
PipelineBaseBuffer baseBuffer;
bool isClusterEnabled = SceneController.GetBaseBuffer(out baseBuffer);
HizOcclusionData hizData = IPerCameraData.GetProperty <HizOcclusionData>(cam, () => new HizOcclusionData());
RenderClusterOptions options = new RenderClusterOptions
{
command = buffer,
frustumPlanes = data.arrayCollection.frustumPlanes,
isOrtho = cam.cam.orthographic,
cullingShader = data.resources.gpuFrustumCulling,
terrainCompute = data.resources.terrainCompute,
isClusterEnabled = isClusterEnabled,
isTerrainEnabled = true
};
HizOptions hizOptions;
switch (occCullingMod)
{
case OcclusionCullingMode.None:
SceneController.current.DrawCluster(ref options, ref cam.targets);
break;
case OcclusionCullingMode.SingleCheck:
hizOptions = new HizOptions
{
currentCameraUpVec = cam.cam.transform.up,
hizData = hizData,
hizDepth = hizDepth,
linearLODMaterial = linearMat,
currentDepthTex = cam.targets.depthTexture
};
SceneController.current.DrawClusterOccSingleCheck(ref options, ref hizOptions, ref cam.targets);
break;
case OcclusionCullingMode.DoubleCheck:
hizOptions = new HizOptions
{
currentCameraUpVec = cam.cam.transform.up,
hizData = hizData,
hizDepth = hizDepth,
linearLODMaterial = linearMat,
currentDepthTex = cam.targets.depthTexture
};
SceneController.current.DrawClusterOccDoubleCheck(ref options, ref hizOptions, ref cam.targets);
break;
}
data.ExecuteCommandBuffer();
}
public virtual void DrawClusterOccDoubleCheck(ref RenderClusterOptions options, ref HizOptions hizOpts, ref RenderTargets rendTargets)
{
}
public virtual void DrawClusterOccSingleCheck(ref RenderClusterOptions options, ref HizOptions hizOpts)
{
}
public override void DrawClusterOccDoubleCheck(ref RenderClusterOptions options, ref HizOptions hizOpts, ref RenderTargets rendTargets)
{
CommandBuffer buffer = options.command;
ComputeShader gpuFrustumShader = options.cullingShader;
PipelineFunctions.UpdateOcclusionBuffer(
baseBuffer, gpuFrustumShader,
buffer,
hizOpts.hizData,
options.frustumPlanes,
options.isOrtho);
//绘制第一次剔除结果
PipelineFunctions.DrawLastFrameCullResult(baseBuffer, buffer, options.proceduralMaterial);
//更新Vector，Depth Mip Map
hizOpts.hizData.lastFrameCameraUp = hizOpts.currentCameraUpVec;
PipelineFunctions.ClearOcclusionData(baseBuffer, buffer, gpuFrustumShader);
//TODO 绘制其他物体
//TODO
buffer.Blit(hizOpts.currentDepthTex, hizOpts.hizData.historyDepth, hizOpts.linearLODMaterial, 0);
hizOpts.hizDepth.GetMipMap(hizOpts.hizData.historyDepth, buffer);
//使用新数据进行二次剔除
PipelineFunctions.OcclusionRecheck(baseBuffer, gpuFrustumShader, buffer, hizOpts.hizData);
//绘制二次剔除结果
buffer.SetRenderTarget(rendTargets.gbufferIdentifier, rendTargets.depthIdentifier);
PipelineFunctions.DrawRecheckCullResult(baseBuffer, options.proceduralMaterial, buffer);
buffer.Blit(hizOpts.currentDepthTex, hizOpts.hizData.historyDepth, hizOpts.linearLODMaterial, 0);
hizOpts.hizDepth.GetMipMap(hizOpts.hizData.historyDepth, buffer);
}
public override void DrawClusterOccSingleCheck(ref RenderClusterOptions options, ref HizOptions hizOpts)
{
CommandBuffer buffer = options.command;
buffer.SetComputeVectorParam(options.cullingShader, ShaderIDs._CameraUpVector, hizOpts.hizData.lastFrameCameraUp);
buffer.SetComputeBufferParam(options.cullingShader, 5, ShaderIDs.clusterBuffer, baseBuffer.clusterBuffer);
buffer.SetComputeTextureParam(options.cullingShader, 5, ShaderIDs._HizDepthTex, hizOpts.hizData.historyDepth);
buffer.SetComputeVectorArrayParam(options.cullingShader, ShaderIDs.planes, options.frustumPlanes);
buffer.SetComputeBufferParam(options.cullingShader, 5, ShaderIDs.resultBuffer, baseBuffer.resultBuffer);
buffer.SetComputeBufferParam(options.cullingShader, 5, ShaderIDs.instanceCountBuffer, baseBuffer.instanceCountBuffer);
buffer.SetComputeBufferParam(options.cullingShader, PipelineBaseBuffer.ComputeShaderKernels.ClearClusterKernel, ShaderIDs.instanceCountBuffer, baseBuffer.instanceCountBuffer);
ComputeShaderUtility.Dispatch(options.cullingShader, options.command, 5, baseBuffer.clusterCount, 256);
hizOpts.hizData.lastFrameCameraUp = hizOpts.currentCameraUpVec;
buffer.SetGlobalBuffer(ShaderIDs.resultBuffer, baseBuffer.resultBuffer);
buffer.SetGlobalBuffer(ShaderIDs.verticesBuffer, baseBuffer.verticesBuffer);
PipelineFunctions.RenderProceduralCommand(baseBuffer, options.proceduralMaterial, buffer);
buffer.DispatchCompute(options.cullingShader, PipelineBaseBuffer.ComputeShaderKernels.ClearClusterKernel, 1, 1, 1);
//TODO 绘制其他物体
//TODO
buffer.Blit(hizOpts.currentDepthTex, hizOpts.hizData.historyDepth, hizOpts.linearLODMaterial, 0);
hizOpts.hizDepth.GetMipMap(hizOpts.hizData.historyDepth, buffer);
}
