Hair - Adding the Hair Gem to the automated testing (#4498)

* Hair - Adding the Hair Gem to the automated testing

Signed-off-by: Adi-Amazon <barlev@amazon.com>

* Hair - added FP protection when not initialized

Signed-off-by: Adi-Amazon <barlev@amazon.com>

* Hair - renaming shader options for longtitude / azimuth contribution separation

Signed-off-by: Adi-Amazon <barlev@amazon.com>

AutomatedTesting/Config/shader_global_build_options.json

@@ -3,9 +3,15 @@
     "Version": 1,
     "ClassName": "GlobalBuildOptions",
     "ClassData": {
-        "ShaderCompilerArguments" : {
-            "DefaultMatrixOrder" : "Row",
-            "AzslcAdditionalFreeArguments" : "--strip-unused-srgs"
+        "ShaderCompilerArguments": {
+            "DefaultMatrixOrder": "Row",
+            "AzslcAdditionalFreeArguments": "--strip-unused-srgs"
+        },
+        "PreprocessorOptions": {
+            "predefinedMacros": [ "AZSL=17" ],
+            "projectIncludePaths": [
+                "Gems/AtomTressFX/Assets/Shaders"
+            ]
         }
     }
 }

AutomatedTesting/Gem/Code/enabled_gems.cmake

@@ -24,6 +24,7 @@ set(ENABLED_GEMS
 
     Camera
     EMotionFX
+    AtomTressFX
     PhysX
     CameraFramework
     StartingPointMovement
@@ -52,9 +53,6 @@ set(ENABLED_GEMS
     AWSCore
     AWSClientAuth
     AWSMetrics
-
-
-
     
     AudioSystem
 )

AutomatedTesting/Registry/assets_scan_folders.setreg

@@ -51,6 +51,14 @@
                 [
                     "Gems/UiBasics"
                 ]
+            },
+            "Hair":
+            {
+                "SourcePaths":
+                [
+                    "Gems/AtomTressFX/Assets",
+                    "Gems/AtomTressFX/Assets/Passes"
+                ]
             }
         }
     }