From 183350b61740ee49e1d76efe62b8c0dc0b705e7c Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Sat, 8 Jun 2024 22:04:55 +0100
Subject: [PATCH] viewers MUST ask for pbr terrain, requesting fake cap VTPBR
 if only support terrain pbr on standard size regions or cap VETPBR support on
 all region sizes

---
 OpenSim/Capabilities/Caps.cs                          |  3 ++-
 .../Linden/Caps/BunchOfCaps/BunchOfCaps.cs            | 11 ++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/OpenSim/Capabilities/Caps.cs b/OpenSim/Capabilities/Caps.cs
index 279bbcbfe9..0eb312413f 100644
--- a/OpenSim/Capabilities/Caps.cs
+++ b/OpenSim/Capabilities/Caps.cs
@@ -126,7 +126,8 @@ namespace OpenSim.Framework.Capabilities
             WLEnv =         0x200,
             AdvEnv =        0x400,
             PBR =           0x800,
-            ViewerBenefits = 0x1000
+            ViewerBenefits = 0x1000,
+            TPBR =           0x2000
         }
 
         public CapsFlags Flags { get; set;}
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
index 516ea00ae3..3ce2acf182 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs
@@ -350,9 +350,18 @@ namespace OpenSim.Region.ClientStack.Linden
                 {
                     case "SEED":
                         continue;
-                    case "ViewerBenefits": // this may need a proper cap but not currently
+                    case "ViewerBenefits":
                         m_HostCapsObj.Flags |= Caps.CapsFlags.ViewerBenefits;
                         continue;
+                    case "VTPBR":
+                        if (m_Scene.RegionInfo.RegionSizeX == Constants.RegionSize &&
+                            m_Scene.RegionInfo.RegionSizeY == Constants.RegionSize &&
+                            m_Scene.RegionInfo.RegionSizeZ == Constants.RegionSize)
+                                m_HostCapsObj.Flags |= Caps.CapsFlags.TPBR;
+                        continue;
+                    case "VETPBR":
+                        m_HostCapsObj.Flags |= Caps.CapsFlags.TPBR;
+                        continue;
                     case "ObjectAnimation":
                          m_HostCapsObj.Flags |= Caps.CapsFlags.ObjectAnim;
                         break;