public void InitCommandBuffer(GPUInstancingObj obj)
{
if (KdTreeCameraClipper.IsAppQuit || !obj.IsVaild())
{
RemoveFromCurrCamera();
return;
}
if (m_CmdBuffer == null)
{
m_CmdBuffer = new CommandBuffer();
}
else
{
m_CmdBuffer.Clear();
}
Camera cam = this.CurrCamera;
if (cam == null)
{
return;
}
// 有点问题
//m_CmdBuffer.DrawMeshInstanced (obj.mesh, 0, obj.sharedMaterial, 0, obj.matrixList);
cam.AddCommandBuffer(CameraEvent.AfterForwardOpaque, m_CmdBuffer);
m_DoCamera = true;
}
void ProcessGPUInstancingVisibleChanged(Renderer r, bool isVisible)
{
if (r == null)
{
return;
}
MeshRenderer meshRenderer = r as MeshRenderer;
if (meshRenderer == null)
{
return;
}
//var mats = meshRenderer.sharedMaterials;
//if (mats == null)
// return;
MeshFilter filter = meshRenderer.GetComponent <MeshFilter>();
if (filter == null)
{
return;
}
Mesh mesh = filter.sharedMesh;
if (mesh == null)
{
return;
}
bool isVaildScene = IsVaildScene(r);
if (!isVaildScene)
{
return;
}
int instanceId = mesh.GetInstanceID();
GPUInstancingKey key = new GPUInstancingKey();
key.meshInstanceID = instanceId;
if (meshRenderer.sharedMaterial != null)
{
key.SharedMaterials = meshRenderer.sharedMaterial.GetInstanceID();
}
else
{
key.SharedMaterials = 0;
}
GPUInstancingObj obj;
if (!m_GPUInstancingMap.TryGetValue(key, out obj))
{
if (!isVisible)
{
return;
}
obj = new GPUInstancingObj();
obj.mesh = mesh;
obj.sharedMaterials = meshRenderer.sharedMaterials;
obj.receiveShadow = meshRenderer.receiveShadows;
obj.shadowCastingMode = meshRenderer.shadowCastingMode;
obj.layer = meshRenderer.gameObject.layer;
//meshRenderer.SetPropertyBlock (obj.propBlock);
#if !UNITY_EDITOR
if (mesh.isReadable)
{
mesh.UploadMeshData(true);
}
#endif
}
if (isVisible)
{
obj.AddMatrix(meshRenderer);
}
else
{
obj.RemoveMatrix(meshRenderer);
}
m_GPUInstancingMap [key] = obj;
}
