public static bool DeregisterRenderer(FragmentSortedRenderer fsr)
{
if (!_renderers.Contains(fsr))
{
return(false);
}
_renderers.Remove(fsr);
return(true);
}
public static bool RegisterRenderer(FragmentSortedRenderer fsr)
{
if (_renderers.Contains(fsr))
{
return(false);
}
_renderers.Add(fsr);
return(true);
}
void OnRenderImage(RenderTexture source, RenderTexture destination)
{
// intialize the post effect render camera
effectCamera.CopyFrom(GetComponent <Camera>());
effectCamera.clearFlags = CameraClearFlags.Nothing;
effectCamera.cullingMask = 0;
effectCamera.enabled = false;
// initialize or resize linked list head buffer
if (_headerBuffer != null && _headerBuffer.count != headerLength)
{
_headerBuffer.Release();
_headerBuffer = null;
}
if (_headerBuffer == null)
{
_headerBuffer = new ComputeBuffer(headerLength, Marshal.SizeOf(typeof(int)));
}
// initialize or resize the fragment linked list / append buffer
if (_linkedListBuffer != null && _linkedListBuffer.count != linkedListLength)
{
_linkedListBuffer.Release();
_linkedListBuffer = null;
}
if (_linkedListBuffer == null)
{
_linkedListBuffer = new ComputeBuffer(linkedListLength, Marshal.SizeOf(typeof(LinkedListNode)), ComputeBufferType.Counter);
}
Graphics.SetRandomWriteTarget(1, _headerBuffer);
Graphics.SetRandomWriteTarget(2, _linkedListBuffer);
clearUtilities.SetBuffer(CLEAR_HEADER_KERNEL, HEAD_BUFFER_NAME, _headerBuffer);
clearUtilities.Dispatch(CLEAR_HEADER_KERNEL, _headerBuffer.count, 1, 1);
clearUtilities.SetBuffer(CLEAR_LINKEDLIST_KERNEL, LINKEDLIST_BUFFER_NAME, _linkedListBuffer);
clearUtilities.Dispatch(CLEAR_LINKEDLIST_KERNEL, _linkedListBuffer.count, 1, 1);
// Draw the meshes
Shader.SetGlobalBuffer(HEAD_BUFFER_NAME, _headerBuffer);
Shader.SetGlobalBuffer(LINKEDLIST_BUFFER_NAME, _linkedListBuffer);
Shader.SetGlobalInt(LINKEDLIST_END_NAME, _linkedListBuffer.count);
UnityEngine.Rendering.CommandBuffer commandBuffer = new UnityEngine.Rendering.CommandBuffer();
for (int i = 0; i < _renderers.Count; i++)
{
FragmentSortedRenderer fsr = _renderers[i];
// TODO: Support multiple materials?
MeshFilter mf = fsr.GetComponent <MeshFilter>();
if (fsr.material && mf)
{
commandBuffer.DrawMesh(mf.sharedMesh, fsr.transform.localToWorldMatrix, fsr.material);
}
}
effectCamera.AddCommandBuffer(UnityEngine.Rendering.CameraEvent.AfterEverything, commandBuffer);
effectCamera.Render();
effectCamera.RemoveAllCommandBuffers();
commandBuffer.Release();
// Sort the fragments
clearUtilities.SetBuffer(SORT_LINKEDLIST_KERNEL, HEAD_BUFFER_NAME, _headerBuffer);
clearUtilities.SetBuffer(SORT_LINKEDLIST_KERNEL, LINKEDLIST_BUFFER_NAME, _linkedListBuffer);
clearUtilities.Dispatch(SORT_LINKEDLIST_KERNEL, _headerBuffer.count, 1, 1);
Graphics.ClearRandomWriteTargets();
compositeMaterial.DisableKeyword("FRAGS_PER_PIXEL");
if (drawFragmentCount)
{
compositeMaterial.EnableKeyword("FRAGS_PER_PIXEL");
compositeMaterial.SetFloat("_FragmentCount", checkFragmentCount);
}
compositeMaterial.SetFloat("_DepthScale", effectCamera.farClipPlane - effectCamera.nearClipPlane);
Graphics.Blit(source, destination, compositeMaterial);
Shader.SetGlobalBuffer(HEAD_BUFFER_NAME, null);
Shader.SetGlobalBuffer(LINKEDLIST_BUFFER_NAME, null);
Shader.SetGlobalInt(LINKEDLIST_END_NAME, 0);
}
