Library/PackageCache/com.unity.render-pipelines.high-definition@4.10.0-preview/Runtime/Core/Textures/RTHandleSystem.RTHandle.cs

   1 using System.Collections.Generic;
   2 using UnityEngine.Rendering;
   3
   4 namespace UnityEngine.Experimental.Rendering
   5 {
   6     public partial class RTHandleSystem
   7     {
   8         public class RTHandle
   9         {
  10             internal RTHandleSystem             m_Owner;
  11             internal RenderTexture              m_RT;
  12             internal RenderTargetIdentifier     m_NameID;
  13             internal bool                       m_EnableMSAA = false;
  14             internal bool                       m_EnableRandomWrite = false;
  15             internal string                     m_Name;
  16
  17             internal Vector2 scaleFactor        = Vector2.one;
  18             internal ScaleFunc scaleFunc;
  19
  20             public bool                         useScaling { get; internal set; }
  21             public Vector2Int                   referenceSize {get; internal set; }
  22
  23             public RenderTexture rt
  24             {
  25                 get
  26                 {
  27                     return m_RT;
  28                 }
  29             }
  30
  31             public RenderTargetIdentifier nameID
  32             {
  33                 get
  34                 {
  35                     return m_NameID;
  36                 }
  37             }
  38
  39             // Keep constructor private
  40             internal RTHandle(RTHandleSystem owner)
  41             {
  42                 m_Owner = owner;
  43             }
  44
  45             public static implicit operator RenderTexture(RTHandle handle)
  46             {
  47                 return handle.rt;
  48             }
  49
  50             public static implicit operator RenderTargetIdentifier(RTHandle handle)
  51             {
  52                 return handle.nameID;
  53             }
  54
  55             internal void SetRenderTexture(RenderTexture rt, RTCategory category)
  56             {
  57                 m_RT=  rt;
  58                 m_NameID = new RenderTargetIdentifier(rt);
  59             }
  60
  61             public void Release()
  62             {
  63                 m_Owner.m_AutoSizedRTs.Remove(this);
  64                 CoreUtils.Destroy(m_RT);
  65                 m_NameID = BuiltinRenderTextureType.None;
  66                 m_RT = null;
  67             }
  68
  69             public Vector2Int GetScaledSize(Vector2Int refSize)
  70             {
  71                 if (scaleFunc != null)
  72                 {
  73                     return scaleFunc(refSize);
  74                 }
  75                 else
  76                 {
  77                     return new Vector2Int(
  78                         x: Mathf.RoundToInt(scaleFactor.x * refSize.x),
  79                         y: Mathf.RoundToInt(scaleFactor.y * refSize.y)
  80                         );
  81                 }
  82             }
  83         }
  84     }
  85 }