commit 11ce561802975067b94e4f8f73f8821aeaab2759
author johnmach <john.machado@intel.com> Thu Jun 17 14:06:07 2021 +0530
committer GitHub <noreply@github.com> Thu Jun 17 14:06:07 2021 +0530
tree 0e20cf1c9cf462f1d25f6337b55546c63b866695
parent 5edb983d1d4bc5bfc1ed86d4a4a608413abf52d1

Tiling format restriction addition for displayable surfaces (#54)

Source/GmmLib/Resource/GmmResourceInfoCommonEx.cpp

diff --git a/Source/GmmLib/Resource/GmmResourceInfoCommonEx.cpp b/Source/GmmLib/Resource/GmmResourceInfoCommonEx.cpp
index 7878bbd..8372484 100644
--- a/Source/GmmLib/Resource/GmmResourceInfoCommonEx.cpp
+++ b/Source/GmmLib/Resource/GmmResourceInfoCommonEx.cpp
@@ -478,7 +478,15 @@
         GMM_ASSERTDPF(0, "Overlay and FlipChain flags set. S3D logic may fail.");
         goto ERROR_CASE;
     }
-
+    
+    // Displayable surfaces must remain Tile4
+    if(((!pGmmGlobalContext->GetSkuTable().FtrDisplayDisabled) &&
+        (Surf.Flags.Gpu.Overlay || Surf.Flags.Gpu.FlipChain)) &&
+       (!(Surf.Flags.Info.Linear || Surf.Flags.Info.TiledX || GMM_IS_4KB_TILE(Surf.Flags))))
+    {
+        GMM_ASSERTDPF(0, "Unsupported tiling format for displayable resource.");
+        goto ERROR_CASE;
+    }
 
     if(pGmmGlobalContext->GetSkuTable().FtrLocalMemory)
     {