public void Register(IHizCullingBoxObject _object)
{
if (m_HizCullingQueue != null)
{
m_HizCullingQueue.Enqueue(_object);
}
}
bool fillBuffer(ComputeShader _cs, IHizCullingBoxObject _obj)
{
if (_obj == null)
{
return(false);
}
return(_obj.getBuffers(out postionBuffer, out cullingResultBuffer));
}
void Process(CommandBuffer _cmd, ComputeShader _cs, Camera _camera, IHizCullingBoxObject _obj)
{
if (_camera == Camera.main)
{
ProcessMainCamera(_cmd, _cs, _camera, _obj);
}
else
{
ProcessOtherCamera(_cmd, _cs, _camera, _obj);
}
}
void ProcessOtherCamera(CommandBuffer _cmd, ComputeShader _cs, Camera _camera, IHizCullingBoxObject _obj)
{
_obj.onRender(_cmd);
}
void ProcessMainCamera(CommandBuffer _cmd, ComputeShader _cs, Camera _camera, IHizCullingBoxObject _obj)
{
Texture hiz = Shader.GetGlobalTexture(Shader.PropertyToID("_HiZTexture"));
if (hiz == null)
{
_obj.onRender(_cmd);
return;
}
Vector3 boundMin, boundMax;
if (_obj.getBounds(out boundMax, out boundMin) == false)
{
return;
}
int kanel = _cs.FindKernel("CSCullingBox");
uint sizeX;
_cs.GetKernelThreadGroupSizes(
kanel,
out sizeX,
out _,
out _
);
int count = postionBuffer.count;
cullingResultBuffer.SetCounterValue(0);
_cs.SetVector(Shader.PropertyToID("_boundMin"), boundMin);
_cs.SetVector(Shader.PropertyToID("_boundMax"), boundMax);
_cs.SetBool("_isOpenGL", _camera.projectionMatrix.Equals(GL.GetGPUProjectionMatrix(_camera.projectionMatrix, false)));
_cs.SetInt(Shader.PropertyToID("_ObjectCount"), count);
var viewProj = GL.GetGPUProjectionMatrix(_camera.projectionMatrix, false) * _camera.worldToCameraMatrix;
_cs.SetMatrix(Shader.PropertyToID("matrixVP"), viewProj);
_cs.SetTexture(kanel, Shader.PropertyToID("_HiZTexture"), hiz);
_cs.SetVector(Shader.PropertyToID("_RT_Size"), texSize);
_cs.SetFloat(Shader.PropertyToID("_MaxMipLevel"), 6);
_cs.SetBuffer(kanel, Shader.PropertyToID("postionBuffer"), postionBuffer);
_cs.SetBuffer(kanel, Shader.PropertyToID("cullingResult"), cullingResultBuffer);
_cs.Dispatch(kanel,
Mathf.CeilToInt((count + sizeX - 1) / sizeX),
1, 1);
_obj.onRender(_cmd);
}
