[llvm] [DirectX] Updating DXContainer Yaml to represent Root Signature 1.2 (PR #159659)

[Finn Plummer via llvm-commits]

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@@ -526,3 +526,64 @@ TEST(RootSignature, ParseStaticSamplers) {
   EXPECT_EQ(Storage.size(), 144u);
   EXPECT_TRUE(memcmp(Buffer, Storage.data(), 144u) == 0);
 }
+
+TEST(RootSignature, ParseStaticSamplersV13) {
+  SmallString<160> Storage;
+
+  // First read a fully explicit yaml with all sizes and offsets provided
+  ASSERT_TRUE(convert(Storage, R"(--- !dxcontainer
+Header:
+  Hash:            [ 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 
+                     0x0, 0x0, 0x0, 0x0, 0x0, 0x0 ]
+  Version:
+    Major:           1
+    Minor:           0
+  PartCount:       1
+  PartOffsets:     [ 60 ]
+Parts:
+  - Name:            RTS0
+    Size:            76
+    RootSignature:
+      Version: 3
+      NumRootParameters: 0
+      RootParametersOffset: 24
+      NumStaticSamplers: 1
+      StaticSamplersOffset: 24
+      Parameters: []
+      Samplers: 
+        - Filter: MinLinearMagMipPoint 
+          AddressU: Wrap
+          AddressV: Mirror
+          AddressW: MirrorOnce
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inbelic wrote:

nit: A lot of these members are optional. It might be clearer what is being tested if they are removed

https://github.com/llvm/llvm-project/pull/159659