Question How can I get a regular format RT with depth by RTHandles.Alloc ?

Hi

I wrote a render feature request three pass

the first two pass need render target to a RenderTexutre , and the third pass blit the RT back to main camera.

I need depth buffer for the RT (for z-test)

so what I used to do is request a temporary RT with code

Code (CSharp):

1.            
2. cmd.GetTemporaryRT(mRT_ID,512,512, (int) DepthBits.Depth24);
3.  

with URP 13.1(Unity 2022.1.14f1) , unity give me a warning

[CS0618] 'ScriptableRenderPass.Blit(CommandBuffer, RenderTargetIdentifier, RenderTargetIdentifier, Material, int)' is obsolete:

'Use RTHandles for source and destination'

so I try to change my code with RTHandles

Code (CSharp):

1.    
2. RTHandles.Initialize(512,512); //Init somewhere before a call Alloc
3. ...
4. var mRT_Handler = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.Depth24);
5.  

-------

the issue is, I can't Sample the right info from the RT (alloc by RTHandles).

I check the RTHandleSystem.cs file. seem , if I request depth with Alloc function , the RT create by RTHandles will use RenderTextureFormat.Depth format



----

I use

TEXTURE2D(_MainTex);

SAMPLER(sampler_MainTex);

to sampler the RT info in the third pass . it worked for cmd.GetTemporaryRT. but not can't get the right info with RTHandles.Alloc();

so . what should I to fix this issue?

thanks

 

Did you ever find out a solution? I am having some question