layers: Impose singlesample/multisample constraints on input attachment descriptors

Signed-off-by: Chris Forbes <chrisforbes@google.com>

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index 13b3d4b..a960b77 100644 (file)
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -2687,7 +2687,9 @@ static uint32_t descriptor_type_to_reqs(shader_module const *module, uint32_t ty
                 return DESCRIPTOR_REQ_VIEW_TYPE_3D;
             case spv::DimCube:
                 return arrayed ? DESCRIPTOR_REQ_VIEW_TYPE_CUBE_ARRAY : DESCRIPTOR_REQ_VIEW_TYPE_CUBE;
-            default:  // subpass, buffer, etc.
+            case spv::DimSubpassData:
+                return msaa ? DESCRIPTOR_REQ_MULTI_SAMPLE : DESCRIPTOR_REQ_SINGLE_SAMPLE;
+            default:  // buffer, etc.
                 return 0;
             }
         }